Filament Topco Ltd

	Page
Abridged Balance Sheet	1—2
Notes to the Abridged Financial Statements	3—4

Registered number: 14637705

		2025		2024
	Notes	£	£	£	£
FIXED ASSETS
Investments	4		3,000,000		3,000,000

			3,000,000		3,000,000
CURRENT ASSETS
Debtors	5	7,437,001		3,865,893

		7,437,001		3,865,893
Creditors: Amounts Falling Due Within One Year		(1,800 )		(2,921 )

NET CURRENT ASSETS (LIABILITIES)			7,435,201		3,862,972

TOTAL ASSETS LESS CURRENT LIABILITIES			10,435,201		6,862,972

NET ASSETS			10,435,201		6,862,972

CAPITAL AND RESERVES
Called up share capital	6		6,919,599		5,157,226
Share premium account			4,149,978		2,070,374
Profit and Loss Account			(634,376 )		(364,628 )

SHAREHOLDERS' FUNDS			10,435,201		6,862,972

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Page 2

Filament Topco Ltd

Abridged Balance Sheet (continued)

As At 31 December 2025

For the year ending 31 December 2025 the company was entitled to exemption from audit under section 477 of the Companies Act 2006 relating to small companies.

The members have not required the company to obtain an audit in accordance with section 476 of the Companies Act 2006.

The directors acknowledge their responsibilities for complying with the requirements of the Act with respect to accounting records and the preparation of accounts.

These accounts have been prepared and delivered in accordance with the provisions applicable to companies subject to the small companies regime.

The company has taken advantage of section 444(1) of the Companies Act 2006 and opted not to deliver to the registrar a copy of the company's Profit and Loss Account.

All of the company's members have consented to the preparation of an Abridged Profit and Loss Account and an Abridged Balance Sheet for the year end 31 December 2025 in accordance with section 444(2A) of the Companies Act 2006.

On behalf of the board

Mr Steve Cordiner

Director

16 September 2026

The notes on page 3 form part of these financial statements.

1. General Information

Filament Topco Ltd is a private company, limited by shares, incorporated in England & Wales, registered number 14637705 . The registered office is 1 King William Street, London, EC4N 7AF.

2. Accounting Policies

2.1. Basis of Preparation of Financial Statements

The financial statements have been prepared under the historical cost convention and in accordance with Financial Reporting Standard 102 section 1A Small Entities "The Financial Reporting Standard applicable in the UK and Republic of Ireland" and the Companies Act 2006.

3. Average Number of Employees

Average number of employees, including directors, during the year was: NIL (2024: NIL)

4. Investments

	Total
	£
Cost or Valuation
As at 1 January 2025	3,000,000

As at 31 December 2025	3,000,000

Provision
As at 1 January 2025	-

As at 31 December 2025	-

Net Book Value
As at 31 December 2025	3,000,000

As at 1 January 2025	3,000,000

5. Debtors

	2025	2024
	£	£
Due after more than one year
Amounts owed by subsidiaries	7,420,568	3,849,616

6. Share Capital

	2025	2024
	£	£
Allotted, Called up and fully paid	6,919,599	5,157,226

7. Post Balance Sheet Events

Subsequent to the reporting date, on 18th June 2026, £86,690 of preference shares were issued.

8. Share options

On 24 May 2024, two share option plans were introduced for the all staff in the Group. In accordance with the scheme rules, options are exercisable at the exercise price of the shares subject to all vesting conditions being met only at specified exercise events. Vested options expire 10 years after the vesting date. In the year ended 31st December 2025, the share options were reviewed and some share options cancelled and reissued.

The share-based payment charge for the year is judged to be £nil.

...CONTINUED

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Page 4

Filament Topco Ltd

Notes to the Abridged Financial Statements (continued)

For The Year Ended 31 December 2025

The number and weighted average exercise prices of share options are as follows:

	Average exercise price (£)	Number
Outstanding at the beginning of the year	0.15	634,015
Granted during the year	1.00	874,393
Exercised in the year	0	0
Expired during the year	0.15	406,044
Outstanding at the end of the year	0.82	1,102,364
Exercisable at the end of the year	0	0

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