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REGISTERED NUMBER: 02059684 (England and Wales)




GROUP STRATEGIC REPORT, REPORT OF THE DIRECTORS AND

CONSOLIDATED FINANCIAL STATEMENTS

FOR THE YEAR ENDED 31ST DECEMBER 2025

FOR

ROBERTSON GEOLOGGING LIMITED

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)






CONTENTS OF THE CONSOLIDATED FINANCIAL STATEMENTS
FOR THE YEAR ENDED 31ST DECEMBER 2025




Page

Company Information 1

Group Strategic Report 2

Report of the Directors 4

Report of the Independent Auditors 6

Consolidated Income Statement 10

Consolidated Other Comprehensive Income 11

Consolidated Balance Sheet 12

Company Balance Sheet 13

Consolidated Statement of Changes in Equity 14

Company Statement of Changes in Equity 15

Consolidated Cash Flow Statement 16

Notes to the Consolidated Cash Flow Statement 17

Notes to the Consolidated Financial Statements 18


ROBERTSON GEOLOGGING LIMITED

COMPANY INFORMATION
FOR THE YEAR ENDED 31ST DECEMBER 2025







DIRECTORS: S F Garantini
S N Parry
N Shigemoto
Y Furuya



SECRETARY: S N Parry



REGISTERED OFFICE: Tre Morfa Enterprise Park
Conwy
LL32 8FB



REGISTERED NUMBER: 02059684 (England and Wales)



AUDITORS: M. D. Coxey and Co. Limited
Chartered Accountants
and Statutory Auditors
25 Grosvenor Road
Wrexham
LL11 1BT



BANKERS: HSBC Bank Plc
60 Mostyn Street
Llandudno
LL302SF

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

GROUP STRATEGIC REPORT
FOR THE YEAR ENDED 31ST DECEMBER 2025

The directors present their strategic report of the company and the group for the year ended 31st December 2025.

REVIEW OF BUSINESS
The group's turnover has increased this year by 1.4%. Direct costs have also increased, but at a higher level than sales of 10.4%. This has resulted in the gross profit margin decreasing from 39.5% last year to 34.1% this year.

Profit before tax margin has also decreased this year down to 2.1%, compared to 8.2% in the previous year.

Robertson Geologging continues to enjoy success in its markets. Sales increased slightly over 2024, despite a challenging economic environment. 2025 saw the parent company relocate to new premises and consolidate its manufacturing and operations under one roof. This has led to a temporary decrease in our gross profit however it has allowed the business to make internal efficiency gains which will be vital to support future growth strategies and expected market demand.

Tariffs had minimal effect on business activity. However, the US Government attempts to stop offshore wind developments affected the global offshore wind market as uncertainty slowed project FID and delayed projects already in their early stages. 2026 should see this market begin to normalise and a refocus on wind projects in Europe. The services division continues to grow its presence in Europe, winning several large projects requiring specialized services, a result of its reputation as a premium services provider.

Product sales were healthy and are expected to continue to grow in 2026. A strategy of focusing on growing high value existing markets while seeking new underserviced areas is proving successful. The group continues to invest in its marketing activities and seeking new partners for technical collaboration.


ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

GROUP STRATEGIC REPORT
FOR THE YEAR ENDED 31ST DECEMBER 2025

PRINCIPAL RISKS AND UNCERTAINTIES
The group continues to monitor geopolitical developments that may affect its operations and supply chains. It is therefore exposed to changes in trade policy and regulatory frameworks in certain overseas markets. Recent developments indicate the potential for the introduction or expansion of trade measures that could adversely affect trading conditions. The group continues to keep the external environment under close review and to consider appropriate mitigating actions where necessary.

The group's operations expose it to a variety of financial risks including price risk, credit risk, currency risk, and liquidity risk:

Price risk
The group is exposed to price risk arising from competitive pressures within the markets in which it operates. Downward pressure on pricing, particularly where customers utilise in-house equipment and software solutions, may impact margins. The group seeks to mitigate this risk through product differentiation, ongoing innovation and maintaining strong customer relationships.

Credit risk
The group's exposure to credit risk is primarily attributable to its trade debtors. The group manages this risk by undertaking credit checks where appropriate, setting and monitoring credit limits given to customers, and reviewing outstanding receivable balances on an ongoing basis, recognising provisions based on expected recoverability where necessary.

Currency risk
The group is exposed to foreign currency risk on transactions and balances denominated in currencies other than that of its functional currency, Pounds Sterling. The group holds bank and deposit accounts in Sterling, Euro and US Dollar and has foreign currency trade debtors and creditors, principally in USD and Euro. Fluctuations in exchange rates may therefore impact reported earnings and net assets. The group monitors its exposures and seeks to mitigate risk by matching foreign foreign currency receipts and payments and managing the timing of settlements.

Liquidity risk
Liquidity risk represents the risk that the group will not be able to meet its financial obligations as they fall due. The group manages this risk by maintaining appropriate levels of cash and cash equivalents, monitoring forecast cash flows, and ensuring access to sufficient funding to meet operational requirements. Cash flow forecasts are prepared and reviewed regularly to identify funding requirements and ensure adequate headroom is maintained.

The board will continue to identify, monitor and manage potential risks and uncertainties to the group as they arise.

KEY PERFORMANCE INDICATORS
2025 2024
£    £   
Turnover 8,071,818 7,957,642
Gross profit percentage 34.1% 39.5%
Net profit before tax 167,007 684,668
Net assets 5,325,703 5,042,583

ON BEHALF OF THE BOARD:





S F Garantini - Director


27th February 2026

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

REPORT OF THE DIRECTORS
FOR THE YEAR ENDED 31ST DECEMBER 2025

The directors present their report with the financial statements of the company and the group for the year ended 31st December 2025.

PRINCIPAL ACTIVITIES
The principal activities of the group in the year under review were those of the manufacture of high technology wireline logging equipment and the provision of borehole logging services.

DIVIDENDS
No dividends will be distributed for the year ended 31st December 2025.

DIRECTORS
The directors shown below have held office during the whole of the period from 1st January 2025 to the date of this report.

S F Garantini
S N Parry
N Shigemoto

Other changes in directors holding office are as follows:

F Oguri - resigned 1st April 2025
Y Furuya - appointed 1st April 2025

POLITICAL DONATIONS AND EXPENDITURE
During the year the company donated £2,428 to charity.

STATEMENT OF DIRECTORS' RESPONSIBILITIES
The directors are responsible for preparing the Group Strategic Report, the Report of the Directors and the financial statements in accordance with applicable law and regulations.

Company law requires the directors to prepare financial statements for each financial year. Under that law the directors have elected to prepare the financial statements in accordance with United Kingdom Generally Accepted Accounting Practice (United Kingdom Accounting Standards and applicable law). Under company law the directors must not approve the financial statements unless they are satisfied that they give a true and fair view of the state of affairs of the company and the group and of the profit or loss of the group for that period. In preparing these financial statements, the directors are required to:

- select suitable accounting policies and then apply them consistently;
- make judgements and accounting estimates that are reasonable and prudent;
- prepare the financial statements on the going concern basis unless it is inappropriate to presume that the company will continue in business.

The directors are responsible for keeping adequate accounting records that are sufficient to show and explain the company's and the group's transactions and disclose with reasonable accuracy at any time the financial position of the company and the group and enable them to ensure that the financial statements comply with the Companies Act 2006. They are also responsible for safeguarding the assets of the company and the group and hence for taking reasonable steps for the prevention and detection of fraud and other irregularities.

STATEMENT AS TO DISCLOSURE OF INFORMATION TO AUDITORS
So far as the directors are aware, there is no relevant audit information (as defined by Section 418 of the Companies Act 2006) of which the group's auditors are unaware, and each director has taken all the steps that he ought to have taken as a director in order to make himself aware of any relevant audit information and to establish that the group's auditors are aware of that information.

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

REPORT OF THE DIRECTORS
FOR THE YEAR ENDED 31ST DECEMBER 2025


AUDITORS
The auditors, M. D. Coxey and Co. Limited, will be proposed for re-appointment at the forthcoming Annual General Meeting.

ON BEHALF OF THE BOARD:





S F Garantini - Director


27th February 2026

REPORT OF THE INDEPENDENT AUDITORS TO THE MEMBERS OF
ROBERTSON GEOLOGGING LIMITED

Opinion
We have audited the financial statements of Robertson Geologging Limited (the 'parent company') and its subsidiaries (the 'group') for the year ended 31st December 2025 which comprise the Consolidated Income Statement, Consolidated Other Comprehensive Income, Consolidated Balance Sheet, Company Balance Sheet, Consolidated Statement of Changes in Equity, Company Statement of Changes in Equity, Consolidated Cash Flow Statement and Notes to the Consolidated Cash Flow Statement, Notes to the Financial Statements, including a summary of significant accounting policies. The financial reporting framework that has been applied in their preparation is applicable law and United Kingdom Accounting Standards, including Financial Reporting Standard 102 'The Financial Reporting Standard applicable in the UK and Republic of Ireland' (United Kingdom Generally Accepted Accounting Practice).

In our opinion the financial statements:
-give a true and fair view of the state of the group's and of the parent company affairs as at 31st December 2025 and of the group's profit for the year then ended;
-have been properly prepared in accordance with United Kingdom Generally Accepted Accounting Practice; and
-have been prepared in accordance with the requirements of the Companies Act 2006.

Basis for opinion
We conducted our audit in accordance with International Standards on Auditing (UK) (ISAs (UK)) and applicable law. Our responsibilities under those standards are further described in the Auditors' responsibilities for the audit of the financial statements section of our report. We are independent of the group in accordance with the ethical requirements that are relevant to our audit of the financial statements in the UK, including the FRC's Ethical Standard, and we have fulfilled our other ethical responsibilities in accordance with these requirements. We believe that the audit evidence we have obtained is sufficient and appropriate to provide a basis for our opinion.

Conclusions relating to going concern
In auditing the financial statements, we have concluded that the directors' use of the going concern basis of accounting in the preparation of the financial statements is appropriate.

Based on the work we have performed, we have not identified any material uncertainties relating to events or conditions that, individually or collectively, may cast significant doubt on the group's and the parent company's ability to continue as a going concern for a period of at least twelve months from when the financial statements are authorised for issue.

Our responsibilities and the responsibilities of the directors with respect to going concern are described in the relevant sections of this report.

Other information
The directors are responsible for the other information. The other information comprises the information in the Group Strategic Report and the Report of the Directors, but does not include the financial statements and our Report of the Auditors thereon.

Our opinion on the financial statements does not cover the other information and, except to the extent otherwise explicitly stated in our report, we do not express any form of assurance conclusion thereon.

In connection with our audit of the financial statements, our responsibility is to read the other information and, in doing so, consider whether the other information is materially inconsistent with the financial statements or our knowledge obtained in the audit or otherwise appears to be materially misstated. If we identify such material inconsistencies or apparent material misstatements, we are required to determine whether this gives rise to a material misstatement in the financial statements themselves. If, based on the work we have performed, we conclude that there is a material misstatement of this other information, we are required to report that fact. We have nothing to report in this regard.

Opinions on other matters prescribed by the Companies Act 2006
In our opinion, based on the work undertaken in the course of the audit:
- the information given in the Group Strategic Report and the Report of the Directors for the financial year for which the financial statements are prepared is consistent with the financial statements; and
- the Group Strategic Report and the Report of the Directors have been prepared in accordance with applicable legal requirements.

REPORT OF THE INDEPENDENT AUDITORS TO THE MEMBERS OF
ROBERTSON GEOLOGGING LIMITED


Matters on which we are required to report by exception
In the light of the knowledge and understanding of the group and the parent company and its environment obtained in the course of the audit, we have not identified material misstatements in the Group Strategic Report or the Report of the Directors.

We have nothing to report in respect of the following matters where the Companies Act 2006 requires us to report to you if, in our opinion:
- adequate accounting records have not been kept by the parent company, or returns adequate for our audit have not been received from branches not visited by us; or
- the parent company financial statements are not in agreement with the accounting records and returns; or
- certain disclosures of directors' remuneration specified by law are not made; or
- we have not received all the information and explanations we require for our audit.

Responsibilities of directors
As explained more fully in the Statement of Directors' Responsibilities set out on page four, the directors are responsible for the preparation of the financial statements and for being satisfied that they give a true and fair view, and for such internal control as the directors determine necessary to enable the preparation of financial statements that are free from material misstatement, whether due to fraud or error.

In preparing the financial statements, the directors are responsible for assessing the group's and the parent company's ability to continue as a going concern, disclosing, as applicable, matters related to going concern and using the going concern basis of accounting unless the directors either intend to liquidate the group or the parent company or to cease operations, or have no realistic alternative but to do so.

REPORT OF THE INDEPENDENT AUDITORS TO THE MEMBERS OF
ROBERTSON GEOLOGGING LIMITED


Auditors' responsibilities for the audit of the financial statements
Our objectives are to obtain reasonable assurance about whether the financial statements as a whole are free from material misstatement, whether due to fraud or error, and to issue a Report of the Auditors that includes our opinion. Reasonable assurance is a high level of assurance, but is not a guarantee that an audit conducted in accordance with ISAs (UK) will always detect a material misstatement when it exists. Misstatements can arise from fraud or error and are considered material if, individually or in the aggregate, they could reasonably be expected to influence the economic decisions of users taken on the basis of these financial statements.

The extent to which our procedures are capable of detecting irregularities, including fraud is detailed below:

Our approach to identifying and assessing the risks of material misstatement in respect of irregularities, including fraud and non-compliance with laws and regulations, was as follows:
- the engagement partner ensured that the engagement team collectively had the appropriate competence,
capabilities and skills to identify or recognise non-compliance with applicable laws and regulations;
- we identified the laws and regulations applicable to the company through discussions with directors and other
management;
- we assessed the extent of compliance with the laws and regulations identified above through making enquiries of
management and inspecting legal correspondence; and
- identified laws and regulations were communicated within the audit team regularly and the team remained alert to
instances of non-compliance throughout the audit.

We assessed the susceptibility of the company's financial statements to material misstatement, including obtaining an understanding of how fraud might occur, by:
- making enquiries of management as to where they considered there was susceptibility to fraud, their knowledge of
actual, suspected and alleged fraud; and
- considering the internal controls in place to mitigate risks of fraud and non-compliance with laws and regulations;

To address the risk of fraud through management bias and override of controls, we:
- performed analytical procedures to identify any unusual or unexpected relationships;
- tested journal entries to identify unusual transactions;
- assessed whether judgements and assumptions made in determining accounting estimates were indicative of
potential bias; and
- investigated the rationale behind significant or unusual transactions;

There are inherent limitations in our audit procedures described above. The more removed that laws and regulations are from financial transactions, the less likely it is that we would become aware of non-compliance. Auditing standards also limit the audit procedures required to identify non-compliance with laws and regulations to enquiry of the directors and other management and the inspection of regulatory and legal correspondence, if any.

Material misstatements that arise due to fraud can be harder to detect than those that arise from error as they may involve deliberate concealment or collusion.

A further description of our responsibilities for the audit of the financial statements is located on the Financial Reporting Council's website at www.frc.org.uk/auditorsresponsibilities. This description forms part of our Report of the Auditors.

REPORT OF THE INDEPENDENT AUDITORS TO THE MEMBERS OF
ROBERTSON GEOLOGGING LIMITED


Use of our report
This report is made solely to the company's members, as a body, in accordance with Chapter 3 of Part 16 of the Companies Act 2006. Our audit work has been undertaken so that we might state to the company's members those matters we are required to state to them in a Report of the Auditors and for no other purpose. To the fullest extent permitted by law, we do not accept or assume responsibility to anyone other than the company and the company's members as a body, for our audit work, for this report, or for the opinions we have formed.




Anthony Lewis (Senior Statutory Auditor)
for and on behalf of M. D. Coxey and Co. Limited
Chartered Accountants
and Statutory Auditors
25 Grosvenor Road
Wrexham
LL11 1BT

27th February 2026

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

CONSOLIDATED
INCOME STATEMENT
FOR THE YEAR ENDED 31ST DECEMBER 2025

31.12.25 31.12.24
Notes £    £   

TURNOVER 3 8,301,303 8,164,248

Cost of sales 5,316,270 4,817,311
GROSS PROFIT 2,985,033 3,346,937

Administrative expenses 2,981,782 2,751,309
3,251 595,628

Other operating income 4 324,613 181,450
OPERATING PROFIT 6 327,864 777,078

Interest receivable and similar income 805 572
328,669 777,650

Interest payable and similar expenses 8 161,662 92,982
PROFIT BEFORE TAXATION 167,007 684,668

Tax on profit 9 (116,113 ) 132,390
PROFIT FOR THE FINANCIAL YEAR 283,120 552,278
Profit attributable to:
Owners of the parent 283,120 552,278

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

CONSOLIDATED
OTHER COMPREHENSIVE INCOME
FOR THE YEAR ENDED 31ST DECEMBER 2025

31.12.25 31.12.24
Notes £    £   

PROFIT FOR THE YEAR 283,120 552,278


OTHER COMPREHENSIVE INCOME - -
TOTAL COMPREHENSIVE INCOME
FOR THE YEAR

283,120

552,278

Total comprehensive income attributable to:
Owners of the parent 283,120 552,278

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

CONSOLIDATED BALANCE SHEET
31ST DECEMBER 2025

31.12.25 31.12.24
Notes £    £    £    £   
FIXED ASSETS
Intangible assets 11 42,682 78,986
Tangible assets 12 4,302,991 2,966,161
Investments 13 789 789
4,346,462 3,045,936

CURRENT ASSETS
Stocks 14 3,628,631 3,279,495
Debtors 15 3,919,833 1,519,492
Cash at bank 384,308 1,062,759
7,932,772 5,861,746
CREDITORS
Amounts falling due within one year 16 4,676,792 1,461,657
NET CURRENT ASSETS 3,255,980 4,400,089
TOTAL ASSETS LESS CURRENT
LIABILITIES

7,602,442

7,446,025

CREDITORS
Amounts falling due after more than one
year

17

(2,156,018

)

(2,275,000

)

PROVISIONS FOR LIABILITIES 20 (120,721 ) (128,442 )
NET ASSETS 5,325,703 5,042,583

CAPITAL AND RESERVES
Called up share capital 21 1,097,079 1,097,079
Share premium 22 716,366 716,366
Retained earnings 22 3,512,258 3,229,138
SHAREHOLDERS' FUNDS 5,325,703 5,042,583

The financial statements were approved by the Board of Directors and authorised for issue on 27th February 2026 and were signed on its behalf by:





S F Garantini - Director


ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

COMPANY BALANCE SHEET
31ST DECEMBER 2025

31.12.25 31.12.24
Notes £    £    £    £   
FIXED ASSETS
Intangible assets 11 42,682 78,986
Tangible assets 12 4,277,217 2,931,528
Investments 13 789 789
4,320,688 3,011,303

CURRENT ASSETS
Stocks 14 3,600,914 3,236,124
Debtors 15 2,281,329 1,735,214
Cash at bank 326,934 808,860
6,209,177 5,780,198
CREDITORS
Amounts falling due within one year 16 2,873,289 1,375,355
NET CURRENT ASSETS 3,335,888 4,404,843
TOTAL ASSETS LESS CURRENT
LIABILITIES

7,656,576

7,416,146

CREDITORS
Amounts falling due after more than one
year

17

(2,156,018

)

(2,275,000

)

PROVISIONS FOR LIABILITIES 20 (120,721 ) (128,442 )
NET ASSETS 5,379,837 5,012,704

CAPITAL AND RESERVES
Called up share capital 21 1,097,079 1,097,079
Share premium 22 716,366 716,366
Retained earnings 22 3,566,392 3,199,259
SHAREHOLDERS' FUNDS 5,379,837 5,012,704

Company's profit for the financial year 367,133 492,034

The financial statements were approved by the Board of Directors and authorised for issue on 27th February 2026 and were signed on its behalf by:





S F Garantini - Director


ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

CONSOLIDATED STATEMENT OF CHANGES IN EQUITY
FOR THE YEAR ENDED 31ST DECEMBER 2025

Called up
share Retained Share Total
capital earnings premium equity
£    £    £    £   
Balance at 1st January 2024 1,097,079 2,676,860 716,366 4,490,305

Changes in equity
Total comprehensive income - 552,278 - 552,278
Balance at 31st December 2024 1,097,079 3,229,138 716,366 5,042,583

Changes in equity
Total comprehensive income - 283,120 - 283,120
Balance at 31st December 2025 1,097,079 3,512,258 716,366 5,325,703

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

COMPANY STATEMENT OF CHANGES IN EQUITY
FOR THE YEAR ENDED 31ST DECEMBER 2025

Called up
share Retained Share Total
capital earnings premium equity
£    £    £    £   
Balance at 1st January 2024 1,097,079 2,707,225 716,366 4,520,670

Changes in equity
Total comprehensive income - 492,034 - 492,034
Balance at 31st December 2024 1,097,079 3,199,259 716,366 5,012,704

Changes in equity
Total comprehensive income - 367,133 - 367,133
Balance at 31st December 2025 1,097,079 3,566,392 716,366 5,379,837

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

CONSOLIDATED CASH FLOW STATEMENT
FOR THE YEAR ENDED 31ST DECEMBER 2025

31.12.25 31.12.24
Notes £    £   
Cash flows from operating activities
Cash generated from operations 1 1,158,458 3,036,435
Interest paid (161,662 ) (92,982 )
Tax paid (59,388 ) (225,840 )
Net cash from operating activities 937,408 2,717,613

Cash flows from investing activities
Purchase of intangible fixed assets (996 ) (16,938 )
Purchase of tangible fixed assets (1,675,576 ) (2,369,067 )
Sale of tangible fixed assets 8,592 -
Interest received 805 572
Net cash from investing activities (1,667,175 ) (2,385,433 )

Cash flows from financing activities
New hire purchase agreements 63,828 -
Capital repayments in year (12,512 ) (5,818 )
Net cash from financing activities 51,316 (5,818 )

(Decrease)/increase in cash and cash equivalents (678,451 ) 326,362
Cash and cash equivalents at beginning of
year

2

1,062,759

736,397

Cash and cash equivalents at end of year 2 384,308 1,062,759

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

NOTES TO THE CONSOLIDATED CASH FLOW STATEMENT
FOR THE YEAR ENDED 31ST DECEMBER 2025

1. RECONCILIATION OF PROFIT BEFORE TAXATION TO CASH GENERATED FROM
OPERATIONS

31.12.25 31.12.24
£    £   
Profit before taxation 167,007 684,668
Depreciation charges 367,871 295,074
(Profit)/loss on disposal of fixed assets (416 ) 40
(Increase)/Decrease in group debtors (1,768,660 ) 54,347
Increase in group creditors 2,984,998 2,510,555
Finance costs 161,662 92,982
Finance income (805 ) (572 )
1,911,657 3,637,094
Increase in stocks (349,136 ) (149,744 )
Increase in trade and other debtors (463,901 ) (711,547 )
Increase in trade and other creditors 59,838 260,632
Cash generated from operations 1,158,458 3,036,435

2. CASH AND CASH EQUIVALENTS

The amounts disclosed on the Cash Flow Statement in respect of cash and cash equivalents are in respect of these Balance Sheet amounts:

Year ended 31st December 2025
31.12.25 1.1.25
£    £   
Cash and cash equivalents 384,308 1,062,759
Year ended 31st December 2024
31.12.24 1.1.24
£    £   
Cash and cash equivalents 1,062,759 736,397


3. ANALYSIS OF CHANGES IN NET FUNDS

At 1.1.25 Cash flow At 31.12.25
£    £    £   
Net cash
Cash at bank 1,062,759 (678,451 ) 384,308
1,062,759 (678,451 ) 384,308
Debt
Finance leases - (51,316 ) (51,316 )
- (51,316 ) (51,316 )
Total 1,062,759 (729,767 ) 332,992

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS
FOR THE YEAR ENDED 31ST DECEMBER 2025

1. STATUTORY INFORMATION

Robertson Geologging Limited is a private company, limited by shares , registered in England and Wales. The company's registered number and registered office address can be found on the General Information page.

The presentation currency of the financial statements is the Pound Sterling (£).


2. ACCOUNTING POLICIES

Basis of preparing the financial statements
These financial statements have been prepared in accordance with Financial Reporting Standard 102 "The Financial Reporting Standard applicable in the UK and Republic of Ireland" and the Companies Act 2006. The financial statements have been prepared under the historical cost convention.

Financial Reporting Standard 102 - reduced disclosure exemptions
The group has taken advantage of the following disclosure exemption in preparing these financial statements, as permitted by FRS 102 "The Financial Reporting Standard applicable in the UK and Republic of Ireland":

the requirement of paragraph 3.17(d).

As such, a statement of cash flows has not been prepared for the parent company.

Basis of consolidation
The consolidated financial statements incorporate the financial statements of the parent company and its subsidiary, Robertson Geologging (USA) Inc. The other subsidiary, Robertson Geologging (Asia) Limited, has been excluded as the directors consider its inclusion in the consolidation to not be material for the purpose of giving a true and fair view of the financial statements, as per section 405(2) of the Companies Act 2006.

The parent company has applied the exemption granted in section 408 of the Companies Act 2006 and has not included its individual statement of income and retained earnings.

The results and financial position of the group entities that have a functional currency different to the group's presentation currency of Pound Sterling are translated in the consolidated financial statements at rates prevailing at the balance sheet date.

Turnover
Turnover, which excludes value added tax and trade discounts, represents the invoiced value of goods and services supplied. Turnover is recognised upon despatch of goods, or when the risks and rewards transfer to the customer in accordance with agreed trading terms if stock is physically held on site.

Logging services income is recognised over the period of time that the service is provided.

Intangible assets
Intangible assets are initially measured at cost. After initial recognition, intangible assets are measured at cost less any accumulated amortisation and any accumulated impairment losses.

Computer software is being amortised evenly over its estimated useful life of three years.

Tangible fixed assets
Depreciation is provided at the following annual rates in order to write off each asset over its estimated useful life or, if held under a finance lease, over the lease term, whichever is the shorter.
Freehold property - Straight line over 40 years
Plant and machinery - Straight line over 3 - 6 years
Fixtures and fittings - Straight line over 7 years
Motor vehicles - Straight line over 4 years

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS - continued
FOR THE YEAR ENDED 31ST DECEMBER 2025

2. ACCOUNTING POLICIES - continued

Investments in subsidiaries
Investments in subsidiary undertakings are recorded at cost plus allowable acquisition costs less any provision in impairment. Impairment reviews are performed by the directors when there has been an indication of potential impairment.

Stocks
Stocks are valued at the lower of cost and net realisable value. Cost comprises purchase cost on a first-in, first-out basis together with, where appropriate, an allocation of attributable overheads. Net realisable value is based on estimated selling price less further costs expected to be incurred to completion and disposal.

Reviews are carried out to identify slow-moving, obsolete and defective stock. Where such items are identified, provision is made to adjust their value to net realisable value.

Taxation
Taxation for the year comprises current and deferred tax. Tax is recognised in the Consolidated Income Statement, except to the extent that it relates to items recognised in other comprehensive income or directly in equity.

Current or deferred taxation assets and liabilities are not discounted.

Current tax is recognised at the amount of tax payable using the tax rates and laws that have been enacted or substantively enacted by the balance sheet date.

Deferred tax
Deferred tax is recognised in respect of all timing differences that have originated but not reversed at the balance sheet date.

Timing differences arise from the inclusion of income and expenses in tax assessments in periods different from those in which they are recognised in financial statements. Deferred tax is measured using tax rates and laws that have been enacted or substantively enacted by the year end and that are expected to apply to the reversal of the timing difference.

Unrelieved tax losses and other deferred tax assets are recognised only to the extent that it is probable that they will be recovered against the reversal of deferred tax liabilities or other future taxable profits.

Research and development
Pure research expenditure is written off in the year in which it is incurred. Significant costs incurred on the development of specific products are capitalised and amortised over the expected commercial life of the product, typically three years. Research and development undertaken under contract for individual clients is written off against the costs of the project.

Foreign currencies
Assets and liabilities in foreign currencies are translated into sterling at the rates of exchange ruling at the balance sheet date. Transactions in foreign currencies are translated into Sterling at the rate of exchange ruling at the date of transaction. Exchange differences are taken into account in arriving at the operating result.

Hire purchase and leasing commitments
Assets obtained under hire purchase contracts or finance leases are capitalised in the balance sheet. Those held under hire purchase contracts are depreciated over their estimated useful lives. Those held under finance leases are depreciated over their estimated useful lives or the lease term, whichever is the shorter.

The interest element of these obligations is charged to profit or loss over the relevant period. The capital element of the future payments is treated as a liability.

Rentals paid under operating leases are charged to profit or loss on a straight line basis over the period of the lease.

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS - continued
FOR THE YEAR ENDED 31ST DECEMBER 2025

2. ACCOUNTING POLICIES - continued

Pension costs and other post-retirement benefits
The group operates a defined contribution pension scheme. Contributions payable to the group's pension scheme are charged to profit or loss in the period to which they relate.

3. TURNOVER

The turnover and profit before taxation are attributable to the principal activities of the group.

An analysis of turnover by geographical market is given below:

31.12.25 31.12.24
£    £   
United Kingdom 612,109 1,186,803
Europe 1,440,592 1,010,294
Rest of the world 6,248,602 5,967,151
8,301,303 8,164,248

4. OTHER OPERATING INCOME
31.12.25 31.12.24
£    £   
Sundry receipts 37,301 10,512
RDEC 176,836 166,909
Exchange gains 110,476 4,029
324,613 181,450

5. EMPLOYEES AND DIRECTORS
31.12.25 31.12.24
£    £   
Wages and salaries 2,913,863 2,852,201
Social security costs 272,250 286,395
Other pension costs 189,840 235,482
3,375,953 3,374,078

The average number of employees during the year was as follows:
31.12.25 31.12.24

Directors 2 2
Other 51 51
53 53

The average number of employees by undertakings that were proportionately consolidated during the year was 53 (2024 - 53 ) .

31.12.25 31.12.24
£    £   
Directors' remuneration 551,538 455,419

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS - continued
FOR THE YEAR ENDED 31ST DECEMBER 2025

5. EMPLOYEES AND DIRECTORS - continued

Information regarding the highest paid director is as follows:
31.12.25 31.12.24
£    £   
Emoluments etc 341,815 266,441

6. OPERATING PROFIT

The operating profit is stated after charging/(crediting):

31.12.25 31.12.24
£    £   
Hire of plant and machinery 4,601 8,696
Other operating leases 53,761 58,646
Depreciation - owned assets 316,316 232,375
Depreciation - assets on hire purchase contracts 14,254 -
(Profit)/loss on disposal of fixed assets (416 ) 40
Computer software amortisation 37,300 53,893
Foreign exchange differences 19,239 (39,850 )

7. AUDITORS' REMUNERATION
31.12.25 31.12.24
£    £   
Fees payable to the company's auditors for the audit of the company's
financial statements

25,500

26,000
Auditors' remuneration for non audit work 6,275 10,848

8. INTEREST PAYABLE AND SIMILAR EXPENSES
31.12.25 31.12.24
£    £   
Other interest 161,662 92,982

9. TAXATION

Analysis of the tax (credit)/charge
The tax (credit)/charge on the profit for the year was as follows:
31.12.25 31.12.24
£    £   
Current tax:
UK corporation tax (108,392 ) 108,392

Deferred tax (7,721 ) 23,998
Tax on profit (116,113 ) 132,390

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS - continued
FOR THE YEAR ENDED 31ST DECEMBER 2025

9. TAXATION - continued

Reconciliation of total tax (credit)/charge included in profit and loss
The tax assessed for the year is lower than the standard rate of corporation tax in the UK. The difference is explained below:

31.12.25 31.12.24
£    £   
Profit before tax 167,007 684,668
Profit multiplied by the standard rate of corporation tax in the UK of 25 %
(2024 - 25 %)

41,752

171,167

Effects of:
Permanent timing differences 973 -
Intergroup provisions (24,622 ) -
Non-qualifying depreciation 16,247 12,206
Prior year non-qualifying depreciation adjustment (68 ) -
Unrecognised subsidiary deferred tax on loss movement (150,395 ) (50,983 )
Total tax (credit)/charge (116,113 ) 132,390

10. INDIVIDUAL INCOME STATEMENT

As permitted by Section 408 of the Companies Act 2006, the Income Statement of the parent company is not presented as part of these financial statements.


11. INTANGIBLE FIXED ASSETS

Group
Computer
software
£   
COST
At 1st January 2025 235,965
Additions 996
At 31st December 2025 236,961
AMORTISATION
At 1st January 2025 156,979
Amortisation for year 37,300
At 31st December 2025 194,279
NET BOOK VALUE
At 31st December 2025 42,682
At 31st December 2024 78,986

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS - continued
FOR THE YEAR ENDED 31ST DECEMBER 2025

11. INTANGIBLE FIXED ASSETS - continued

Company
Computer
software
£   
COST
At 1st January 2025 235,965
Additions 996
At 31st December 2025 236,961
AMORTISATION
At 1st January 2025 156,979
Amortisation for year 37,300
At 31st December 2025 194,279
NET BOOK VALUE
At 31st December 2025 42,682
At 31st December 2024 78,986

12. TANGIBLE FIXED ASSETS

Group
Fixtures
Freehold Plant and and Motor
property machinery fittings vehicles Totals
£    £    £    £    £   
COST
At 1st January 2025 2,610,479 1,082,815 1,066,514 269,228 5,029,036
Additions 1,090,527 503,674 41,361 40,014 1,675,576
Disposals - (36,717 ) (8,491 ) - (45,208 )
At 31st December 2025 3,701,006 1,549,772 1,099,384 309,242 6,659,404
DEPRECIATION
At 1st January 2025 356,880 934,983 549,158 221,854 2,062,875
Charge for year 77,629 106,592 117,787 28,562 330,570
Eliminated on disposal - (36,533 ) (499 ) - (37,032 )
At 31st December 2025 434,509 1,005,042 666,446 250,416 2,356,413
NET BOOK VALUE
At 31st December 2025 3,266,497 544,730 432,938 58,826 4,302,991
At 31st December 2024 2,253,599 147,832 517,356 47,374 2,966,161

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS - continued
FOR THE YEAR ENDED 31ST DECEMBER 2025

12. TANGIBLE FIXED ASSETS - continued

Group

Fixed assets, included in the above, which are held under hire purchase contracts are as follows:
Plant and Motor
machinery vehicles Totals
£    £    £   
COST
At 1st January 2025 - 47,664 47,664
Additions 63,973 - 63,973
Transfer to ownership - (47,664 ) (47,664 )
At 31st December 2025 63,973 - 63,973
DEPRECIATION
At 1st January 2025 - 47,664 47,664
Charge for year 14,254 - 14,254
Transfer to ownership - (47,664 ) (47,664 )
At 31st December 2025 14,254 - 14,254
NET BOOK VALUE
At 31st December 2025 49,719 - 49,719
At 31st December 2024 - - -

Company
Fixtures
Freehold Plant and and Motor
property machinery fittings vehicles Totals
£    £    £    £    £   
COST
At 1st January 2025 2,610,479 1,004,260 1,020,107 252,480 4,887,326
Additions 1,090,527 503,674 41,361 40,013 1,675,575
Disposals - (14,025 ) (8,491 ) - (22,516 )
At 31st December 2025 3,701,006 1,493,909 1,052,977 292,493 6,540,385
DEPRECIATION
At 1st January 2025 356,880 862,519 531,294 205,105 1,955,798
Charge for year 77,629 104,350 111,169 28,562 321,710
Eliminated on disposal - (13,841 ) (499 ) - (14,340 )
At 31st December 2025 434,509 953,028 641,964 233,667 2,263,168
NET BOOK VALUE
At 31st December 2025 3,266,497 540,881 411,013 58,826 4,277,217
At 31st December 2024 2,253,599 141,741 488,813 47,375 2,931,528

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS - continued
FOR THE YEAR ENDED 31ST DECEMBER 2025

12. TANGIBLE FIXED ASSETS - continued

Company

Fixed assets, included in the above, which are held under hire purchase contracts are as follows:
Plant and Motor
machinery vehicles Totals
£    £    £   
COST
At 1st January 2025 - 47,664 47,664
Additions 63,973 - 63,973
Transfer to ownership - (47,664 ) (47,664 )
At 31st December 2025 63,973 - 63,973
DEPRECIATION
At 1st January 2025 - 47,664 47,664
Charge for year 14,254 - 14,254
Transfer to ownership - (47,664 ) (47,664 )
At 31st December 2025 14,254 - 14,254
NET BOOK VALUE
At 31st December 2025 49,719 - 49,719
At 31st December 2024 - - -

13. FIXED ASSET INVESTMENTS

Group
Shares in
group
undertakings
£   
COST
At 1st January 2025
and 31st December 2025 789
NET BOOK VALUE
At 31st December 2025 789
At 31st December 2024 789
Company
Shares in
group
undertakings
£   
COST
At 1st January 2025
and 31st December 2025 789
NET BOOK VALUE
At 31st December 2025 789
At 31st December 2024 789


ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS - continued
FOR THE YEAR ENDED 31ST DECEMBER 2025

13. FIXED ASSET INVESTMENTS - continued


Robertson Geologging (Asia) Limited is a wholly owned subsidiary and is a company incorporated in Hong Kong to promote the sale of wireline logging equipment and borehole logging services. The company's registered address is 16th Floor, Wing On Centre, 111 Connaught Road Central, Hong Kong.

14. STOCKS

Group Company
31.12.25 31.12.24 31.12.25 31.12.24
£    £    £    £   
Stocks 1,347,165 1,360,491 1,353,859 1,364,631
Finished goods 2,281,466 1,919,004 2,247,055 1,871,493
3,628,631 3,279,495 3,600,914 3,236,124

15. DEBTORS

Group Company
31.12.25 31.12.24 31.12.25 31.12.24
£    £    £    £   
Amounts falling due within one year:
Trade debtors 1,605,681 1,156,876 1,574,613 980,613
Amounts owed by group undertakings 1,768,660 - 168,608 404,389
Other debtors 10,762 39,863 1,769 26,355
Tax 209,902 117,448 209,902 117,448
VAT 116,546 67,615 118,155 69,343
Prepayments 132,956 137,690 132,956 137,066
3,844,507 1,519,492 2,206,003 1,735,214

Amounts falling due after more than one year:
RDEC tax pool 75,326 - 75,326 -

Aggregate amounts 3,919,833 1,519,492 2,281,329 1,735,214

16. CREDITORS: AMOUNTS FALLING DUE WITHIN ONE YEAR

Group Company
31.12.25 31.12.24 31.12.25 31.12.24
£    £    £    £   
Hire purchase contracts (see note 18) 20,298 - 20,298 -
Trade creditors 600,696 506,875 567,644 429,281
Amounts owed to group undertakings 3,466,314 331,315 1,697,654 331,315
Social security and other taxes 76,956 64,539 76,956 64,539
Other creditors 27,038 26,648 26,471 26,039
Accruals and deferred income 485,490 532,280 484,266 524,181
4,676,792 1,461,657 2,873,289 1,375,355

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS - continued
FOR THE YEAR ENDED 31ST DECEMBER 2025

17. CREDITORS: AMOUNTS FALLING DUE AFTER MORE THAN ONE
YEAR

Group Company
31.12.25 31.12.24 31.12.25 31.12.24
£    £    £    £   
Hire purchase contracts (see note 18) 31,018 - 31,018 -
Amounts owed to group undertakings 2,125,000 2,275,000 2,125,000 2,275,000
2,156,018 2,275,000 2,156,018 2,275,000

18. LEASING AGREEMENTS

Minimum lease payments fall due as follows:

Group
Hire purchase
contracts
31.12.25 31.12.24
£    £   
Net obligations repayable:
Within one year 20,298 -
Between one and five years 31,018 -
51,316 -

Company
Hire purchase
contracts
31.12.25 31.12.24
£    £   
Net obligations repayable:
Within one year 20,298 -
Between one and five years 31,018 -
51,316 -

19. SECURED DEBTS

The following secured debts are included within creditors:

Company
31.12.25 31.12.24
£    £   
51,316 -

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS - continued
FOR THE YEAR ENDED 31ST DECEMBER 2025

20. PROVISIONS FOR LIABILITIES

Group Company
31.12.25 31.12.24 31.12.25 31.12.24
£    £    £    £   
Deferred tax
Accelerated capital allowances 365,999 160,500 365,999 160,500
Tax losses carried forward (220,675 ) (8,739 ) (220,675 ) (8,739 )
Other timing differences (24,603 ) (23,319 ) (24,603 ) (23,319 )
120,721 128,442 120,721 128,442

Group
Deferred
tax
£   
Balance at 1st January 2025 128,442
Changes in tax allowances 205,499
Changes in tax rates
Changes in timing differences (1,284 )
Changes in tax losses (211,936 )
Balance at 31st December 2025 120,721

Company
Deferred
tax
£   
Balance at 1st January 2025 128,442
Movement in the year due to -
changes in tax allowances 205,499
changes in tax rates
changes in timing differences (1,284 )
changes in tax losses (211,936 )
Balance at 31st December 2025 120,721

21. CALLED UP SHARE CAPITAL

Allotted, issued and fully paid:
Number: Class: Nominal 31.12.25 31.12.24
value: £    £   
1,033,149 Ordinary £1 1,033,149 1,033,149
63,930 Ordinary A £1 63,930 63,930
1,097,079 1,097,079

ROBERTSON GEOLOGGING LIMITED (REGISTERED NUMBER: 02059684)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS - continued
FOR THE YEAR ENDED 31ST DECEMBER 2025

22. RESERVES

Group
Retained Share
earnings premium Totals
£    £    £   

At 1st January 2025 3,229,138 716,366 3,945,504
Profit for the year 283,120 283,120
At 31st December 2025 3,512,258 716,366 4,228,624

Company
Retained Share
earnings premium Totals
£    £    £   

At 1st January 2025 3,199,259 716,366 3,915,625
Profit for the year 367,133 367,133
At 31st December 2025 3,566,392 716,366 4,282,758


23. CAPITAL COMMITMENTS
31.12.25 31.12.24
£    £   
Contracted but not provided for in the
financial statements 7,160 314,823

24. RELATED PARTY DISCLOSURES

During the year the group made sales to OYO Corporation Japan, its ultimate parent company, in the sum of £53,850 (2024: £322,187) and purchases of £2,975 (2024: £87,159). At the year end the group had a trade debtor balance of £nil (2024: £nil) and a trade creditor balance of £nil (2024: £17,122).

During the year purchases of £37 (2024: £26) were made from OYO Corporation USA, the immediate parent company. At the year end there was a loan balance payable of £3,765,000 (2024: £2,425,000) and the group paid interest of £144,606 (2024: £92,714).

25. ULTIMATE CONTROLLING PARTY

The immediate parent undertaking is OYO Corporation USA who own 99.16% (2024: 99.16%) of the share capital.

The ultimate parent and controlling party is OYO Corporation, a company incorporated in Japan.

OYO Corporation is the parent undertaking of the largest group of undertakings to consolidate the financial statements at 31 December 2024. The consolidated financial statements of OYO Corporation are available from 7, Kandamitoshirocho, Sumitomo Fudosan Kanda Building, 9F, Chiyoda-Ku, Tokyo, 101-0053, Japan.