Website & contact details
- Group website
- The site of this company’s group or brand.
William Cook Defence Limited
- Incorporated
- 14 October 2011 (15 years)
- Previously known as
- Gweco 527 Limited (until 20 December 2011)This list may be incomplete. See all names on Companies House
- Industry
- Dormant Company (99999)
- Directors
- Accounts type
- Micro entity
- Region
- Yorkshire
- Address
- C/o William Cook Holdings LtdParkway AvenueSheffieldS9 4UL
Filing status
- Accounts due
- 31 July 2027
- Last accounts
- 31 October 2025
- Conf. stmt due
- 28 October 2027
- Last conf. stmt
- 14 October 2026
Officers 3 active
Officer details are public data from the Companies House register.
Ross, Philip John
Secretary · Appointed 26 July 2024
Director · Appointed 12 July 2024
British
Born November 1988
Director · Appointed 24 April 2024
British
Born October 1976 (50)
Officer history (5 former)
26 July 2024
Appointed Ross, Philip John as Secretary
26 July 2024
Resigned Hodgson, Michael Keith as Secretary
12 July 2024
24 April 2024
24 April 2024
3 April 2017
3 April 2017
7 November 2012
7 November 2012
Appointed Hodgson, Michael Keith as Secretary
26 October 2012
26 October 2012
Resigned Gweco Directors Ltd as Corporate Director
14 October 2011
14 October 2011
Appointed Gweco Directors Ltd as Corporate Director
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 6 April 2016
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private Limited Company
Reg. no. 02727560
Group structure 19 companies
Ownership group derived from the Companies House PSC register
William Cook Holdings Limited Owns 50–75% of shares (as a trust)
William Cook Aviation Limited Owns 75–100% of shares
William Cook Cast Products Limited Owns 75–100% of shares
A D A Machining Services Limited Owns 75–100% of shares
Chesterfield Metal Technologies Limited Owns 75–100% of shares
Cook Precision Ceramic Castings Limited Owns 75–100% of shares
Simpson Patterns Limited Holds 75–100% of voting rights
William Cook Defence Limited This company Owns 75–100% of shares
William Cook Leeds Limited Owns 75–100% of shares
William Cook Estates Limited Owns 75–100% of shares
William Cook Leaseholds Limited Owns 75–100% of shares
William Cook Limited Owns 75–100% of shares
William Cook Machining Limited Owns 75–100% of shares
William Cook Properties Limited Owns 75–100% of shares
William Cook Publishing Limited Owns 75–100% of shares
William Cook Rail Limited Owns 75–100% of shares
Crowle Wharf Engineers Limited Owns 75–100% of shares
Financials
Balance sheet as at 31 October 2025 · micro entity accounts
- Net Assets
- £1
Trend
Net Assets
Balance sheet detail
| 2025 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|
| Cash | £1 | £1 | £1 | |
| Net Assets | £1 | £1 | £1 | £1 |
| Shareholder Funds | £1 | £1 | £1 | £1 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 27 March 2026 | Micro company accounts | 31 October 2025 | ||
| 16 October 2025 | Confirmation statement with no updates | 14 October 2025 | ||
| 6 August 2025 | Accounts for a dormant company | 31 October 2024 | ||
| 16 October 2024 | Confirmation statement with no updates | 14 October 2024 | ||
| 26 July 2024 | Termination of appointment of a secretary |
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