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Registered number: 14492536










VectorBuilder Limited










Financial statements

Information for filing with the registrar

For the period ended 31 December 2025

 
VectorBuilder Limited
 

Company Information


Directors
Bruce Lahn 
Christina McClure 
Kristofer Mussar 




Registered number
14492536



Registered office
Scale Space
58 Wood Lane

London

W12 7RZ




Independent auditors
Kreston Reeves Audit LLP
Statutory Auditor

Suite 2

Orchard House

Orchard Street

Canterbury

Kent

CT2 8AR




Bankers
Royal Bank of Scotland
Cartsdyke Avenue

Cartsburn East

Greenock

Scotland

PA15 1EF





 
VectorBuilder Limited
Registered number: 14492536

Balance sheet
As at 31 December 2025

2025
2024
Note
£
£

Fixed assets
  

Intangible assets
 4 
5,015
5,717

Tangible assets
 5 
5,349
3,214

  
10,364
8,931

Current assets
  

Debtors: amounts falling due within one year
 6 
234,638
152,409

Cash at bank and in hand
  
49,678
49,306

  
284,316
201,715

Creditors: amounts falling due within one year
 7 
(176,530)
(147,399)

Net current assets
  
 
 
107,786
 
 
54,316

Total assets less current liabilities
  
118,150
63,247

  

Net assets
  
118,150
63,247


Capital and reserves
  

Called up share capital 
 8 
100
100

Share-based payment contribution from parent
  
10,190
5,259

Profit and loss account
  
107,860
57,888

  
118,150
63,247


The financial statements have been prepared in accordance with the provisions applicable to companies subject to the small companies regime and in accordance with the provisions of FRS 102 Section 1A - small entities.

The financial statements have been delivered in accordance with the provisions applicable to companies subject to the small companies regime.

The Company has opted not to file the statement of comprehensive income in accordance with provisions applicable to companies subject to the small companies' regime.

The financial statements were approved and authorised for issue by the board and were signed on its behalf on 24 September 2026.




Christina McClure
Director

The notes on pages 2 to 10 form part of these financial statements.

Page 1

 
VectorBuilder Limited
 

 
Notes to the financial statements
For the period ended 31 December 2025

1.


General information

VectorBuilder Limited is a private company limited by shares incorporated in England and Wales.

The address of the registered office is Scale Space, 58 Wood Lane, London W12 7RZ.

2.Accounting policies

 
2.1

Basis of preparation of financial statements

The financial statements have been prepared under the historical cost convention unless otherwise specified within these accounting policies and in accordance with Financial Reporting Standard 102, the Financial Reporting Standard applicable in the UK and the Republic of Ireland and the requirements and the Companies Act 2006. The disclosure requirements of Section 1A of FRS 102 have been applied other than where additional disclosure is required to show a true and fair view.

The preparation of financial statements in compliance with FRS 102 requires the use of certain critical accounting estimates. It also requires management to exercise judgment in applying the Company's accounting policies.

The financial statements are presented in pounds sterling and rounded to the nearest pound.

The following principal accounting policies have been applied:

 
2.2

Going concern

The company relies upon support provided by fellow group companies.

After making enquiries, the directors believe that the company will have adequate resources together with the continued support of fellow group companies to continue in operational existence for the foreseeable future.  On this basis, the directors consider it appropriate to prepare the financial statements on a going concern basis.

 
2.3

Foreign currency translation

Functional and presentation currency

The Company's functional and presentational currency is GBP.

Transactions and balances

Foreign currency transactions are translated into the functional currency using the spot exchange rates at the dates of the transactions.

At each period end foreign currency monetary items are translated using the closing rate. Non-monetary items measured at historical cost are translated using the exchange rate at the date of the transaction and non-monetary items measured at fair value are measured using the exchange rate when fair value was determined.

Foreign exchange gains and losses resulting from the settlement of transactions and from the translation at period-end exchange rates of monetary assets and liabilities denominated in foreign currencies are recognised in profit or loss except when deferred in other comprehensive income as qualifying cash flow hedges.

Page 2

 
VectorBuilder Limited
 

 
Notes to the financial statements
For the period ended 31 December 2025

2.Accounting policies (continued)

 
2.4

Revenue

Revenue is recognised to the extent that it is probable that the economic benefits will flow to the Company and the revenue can be reliably measured. Revenue is measured as the fair value of the consideration received or receivable, excluding discounts, rebates, value added tax and other sales taxes. The following criteria must also be met before revenue is recognised:

Rendering of services

Revenue from a contract to provide services is recognised in the period in which the services are provided in accordance with the stage of completion of the contract when all of the following conditions are satisfied:
∙the amount of revenue can be measured reliably;
∙it is probable that the Company will receive the consideration due under the contract;
∙the stage of completion of the contract at the end of the reporting period can be measured reliably; and
∙the costs incurred and the costs to complete the contract can be measured reliably.

 
2.5

Operating leases: the Company as lessee

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

 
2.6

Finance costs

Finance costs are charged to profit or loss over the term of the debt using the effective interest method so that the amount charged is at a constant rate on the carrying amount. Issue costs are initially recognised as a reduction in the proceeds of the associated capital instrument.

 
2.7

Pensions

The company operates a defined contribution plan for its employees.  A defined contribution plan is a pension plan under which the company pays fixed contributions into a separate entity.  Once the contributions have been paid, the company has no further payment obligations.

The contributions are recognised as an expense into the statement of income and retained earnings when they fall due.  Amounts not paid are shown in accruals as a liability in the balance sheet.  The assets of the plan are held separately from the company in independently administered funds.

Page 3

 
VectorBuilder Limited
 

 
Notes to the financial statements
For the period ended 31 December 2025

2.Accounting policies (continued)

 
2.8

Share-based payments

Where share options are awarded to employees, the fair value of the options at the date of grant is charged to profit or loss over the vesting period. Non-market vesting conditions are taken into account by adjusting the number of equity instruments expected to vest at each balance sheet date so that, ultimately, the cumulative amount recognised over the vesting period is based on the number of options that eventually vest. Market vesting conditions are factored into the fair value of the options granted. The cumulative expense is not adjusted for failure to achieve a market vesting condition.

The fair value of the award also takes into account non-vesting conditions. These are either factors beyond the control of either party (such as a target based on an index) or factors which are within the control of one or other of the parties (such as the Company keeping the scheme open or the employee maintaining any contributions required by the scheme).

Where the terms and conditions of options are modified before they vest, the increase in the fair value of the options, measured immediately before and after the modification, is also charged to profit or loss over the remaining vesting period.

Where equity instruments are granted to persons other than employees, profit or loss is charged with fair value of goods and services received.

 
2.9

Taxation

Tax is recognised in profit or loss except that a charge attributable to an item of income and expense recognised as other comprehensive income or to an item recognised directly in equity is also recognised in other comprehensive income or directly in equity respectively.

The current income tax charge is calculated on the basis of tax rates and laws that have been enacted or substantively enacted by the balance sheet date in the countries where the Company operates and generates income.


 
2.10

Intangible assets

Intangible assets are initially recognised at cost. After recognition, under the cost model, intangible assets are measured at cost less any accumulated amortisation and any accumulated impairment losses.

All intangible assets are considered to have a finite useful life. If a reliable estimate of the useful life cannot be made, the useful life shall not exceed ten years.

 
2.11

Tangible fixed assets

Tangible fixed assets under the cost model are stated at historical cost less accumulated depreciation and any accumulated impairment losses. Historical cost includes expenditure that is directly attributable to bringing the asset to the location and condition necessary for it to be capable of operating in the manner intended by management.

Page 4

 
VectorBuilder Limited
 

 
Notes to the financial statements
For the period ended 31 December 2025

2.Accounting policies (continued)


2.11
Tangible fixed assets (continued)

Depreciation is charged so as to allocate the cost of assets less their residual value over their estimated useful lives, using the straight-line method.

Depreciation is provided on the following basis:

Office equipment
-
3 years

The assets' residual values, useful lives and depreciation methods are reviewed, and adjusted prospectively if appropriate, or if there is an indication of a significant change since the last reporting date.

Gains and losses on disposals are determined by comparing the proceeds with the carrying amount and are recognised in profit or loss.

 
2.12

Debtors

Short-term debtors are measured at transaction price, less any impairment. Loans receivable are measured initially at fair value, net of transaction costs, and are measured subsequently at amortised cost using the effective interest method, less any impairment.

 
2.13

Cash and cash equivalents

Cash is represented by cash in hand and deposits with financial institutions repayable without penalty on notice of not more than 24 hours. Cash equivalents are highly liquid investments that mature in no more than three months from the date of acquisition and that are readily convertible to known amounts of cash with insignificant risk of change in value.

 
2.14

Creditors

Short-term creditors are measured at the transaction price. Other financial liabilities, including bank loans, are measured initially at fair value, net of transaction costs, and are measured subsequently at amortised cost using the effective interest method.

 
2.15

Financial instruments

The Company has elected to apply the provisions of Section 11 “Basic Financial Instruments” of FRS 102 to all of its financial instruments.

Financial instruments are recognised in the Company's Balance sheet when the Company becomes party to the contractual provisions of the instrument.

Financial assets and liabilities are offset, with the net amounts presented in the financial statements, when there is a legally enforceable right to set off the recognised amounts and there is an intention to settle on a net basis or to realise the asset and settle the liability simultaneously.

Basic financial assets

Basic financial assets, which include trade and other debtors, cash and bank balances, are initially measured at their transaction price (adjusted for transaction costs except in the initial measurement of financial assets that are subsequently measured at fair value through profit and loss) and are subsequently carried at their amortised cost using the effective interest method, less any provision for impairment, unless the arrangement constitutes a financing transaction, where the transaction is measured at the present value of the future receipts discounted at a market rate of interest.
 
Page 5

 
VectorBuilder Limited
 

 
Notes to the financial statements
For the period ended 31 December 2025

2.Accounting policies (continued)


2.15
Financial instruments (continued)


Discounting is omitted where the effect of discounting is immaterial. The Company's cash and cash equivalents, trade and most other debtors due with the operating cycle fall into this category of financial instruments.

Impairment of financial assets

At the end of each reporting period financial assets measured at amortised cost are assessed for objective evidence of impairment. If an asset is impaired the impairment loss is the difference between the carrying amount and the present value of the estimated cash flows discounted at the asset’s original effective interest rate. The impairment loss is recognised in profit or loss. 

Financial assets are impaired when events, subsequent to their initial recognition, indicate the estimated future cash flows derived from the financial asset(s) have been adversely impacted. The impairment loss will be the difference between the current carrying amount and the present value of the future cash flows at the asset(s) original effective interest rate.

If there is a favourable change in relation to the events surrounding the impairment loss then the impairment can be reviewed for possible reversal. The reversal will not cause the current carrying amount to exceed the original carrying amount had the impairment not been recognised. The impairment reversal is recognised in the profit or loss.

Basic financial liabilities

Financial liabilities and equity instruments are classified according to the substance of the contractual arrangements entered into. An equity instrument is any contract that evidences a residual interest in the assets of the Company after the deduction of all its liabilities.

Basic financial liabilities, which include trade and other creditors, bank loans and other loans are initially measured at their transaction price (adjusting for transaction costs except in the initial measurement of financial liabilities that are subsequently measured at fair value through profit and loss). When this constitutes a financing transaction, whereby the debt instrument is measured at the present value of the future payments discounted at a market rate of interest, discounting is omitted where the effect of discounting is immaterial.

Debt instruments are subsequently carried at their amortised cost using the effective interest rate method.

Trade creditors are obligations to pay for goods and services that have been acquired in the ordinary course of business from suppliers. Trade creditors are classified as current liabilities if the payment is due within one year. If not, they represent non-current liabilities. Trade creditors are initially recognised at their transaction price and subsequently are measured at amortised cost using the effective interest method. Discounting is omitted where the effect of discounting is immaterial.


3.


Employees

The average number of employees during the period was 15 (period ended 31 December 2024 - 14).

Page 6

 
VectorBuilder Limited
 

 
Notes to the financial statements
For the period ended 31 December 2025

4.


Intangible assets




Computer software

£



Cost


At 1 January 2025
7,022



At 31 December 2025

7,022



Amortisation


At 1 January 2025
1,305


Charge for the period on owned assets
702



At 31 December 2025

2,007



Net book value



At 31 December 2025
5,015



At 31 December 2024
5,717




5.


Tangible fixed assets


Office equipment

£



Cost or valuation


At 1 January 2025
5,089


Additions
4,777



At 31 December 2025

9,866



Depreciation


At 1 January 2025
1,875


Charge for the period on owned assets
2,642



At 31 December 2025

4,517



Net book value



At 31 December 2025
5,349



At 31 December 2024
3,214

Page 7

 
VectorBuilder Limited
 

 
Notes to the financial statements
For the period ended 31 December 2025

6.


Debtors

2025
2024
£
£


Amounts owed by group undertakings
205,722
144,285

Other debtors
18,916
4,891

Prepayments and accrued income
10,000
3,233

234,638
152,409



7.


Creditors: Amounts falling due within one year

2025
2024
£
£

Corporation tax
30,749
21,565

Other taxation and social security
39,554
29,990

Other creditors
70,227
77,844

Accruals and deferred income
36,000
18,000

176,530
147,399



8.


Share capital

2025
2024
£
£
Allotted, called up and fully paid



100 (2024 - 100) Ordinary shares of £1.00 each
100
100



9.


Share-based payments

Certain employees of the company were granted options over the shares of YUNZHOU BIOSCIENCES (GUANGZHOU) CO., LTD., a fellow group company, at a fixed exercise price.

There were 2,944 (period ended 31 December 2024 - 2,880) qualifying share options in issue at the start of the year.  No options were vested during the period (period ended 31 December 2024 - Nil).

The company recognises an equity settled share-based expense based on a reasonable allocation of the total charge for the company.  Where the vesting date has been reached the options are valued on current open market conditions against the option price with the charge pro-rated for the number of employees participating across the expected year of exercise.  For the period under review no options were exercised (period ended 31 December 2024: Nil).  A charge of £4,931 (period ended 31 December 2024 - £5,259) was assessed on the options.

Page 8

 
VectorBuilder Limited
 

 
Notes to the financial statements
For the period ended 31 December 2025

10.


Controlling party

The immediate parent undertaking is VectorBuilder Inc, a company registered in the USA.

The ultimate controlling party and the parent of the smallest group containing the company for which consolidated financial statements are drawn up is YUNZHOU BIOSCIENCES (GUANGZHOU) CO., LTD., a company registered in China.  The consolidated financial statements may be obtained from Building D, 3rd Floor, No.3 Juquan Road, Science City, Guangzhou High-Tech Industrial Development Zone, Guangzhou, China.

Page 9

 
VectorBuilder Limited
 

 
Notes to the financial statements
For the period ended 31 December 2025

11.


Auditors' information

The auditors' report on the financial statements for the period ended 31 December 2025 was unqualified.

In their report, the auditors emphasised the following matter without qualifying their report:
We draw attention to note 2.2 in the financial statements, which indicates that the company relies upon support provided by fellow group companies. The matters set forth in note 2.2 indicate that a material uncertainty exists that may cast significant doubt on the Company's ability to continue as a going concern. Our opinion is not modified in respect of this matter.

The audit report was signed on 25 September 2026 by Mark Attwood FCCA (Senior statutory auditor) on behalf of Kreston Reeves Audit LLP.


Page 10