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GB · Companies House · Ownership structure
GARTHPOOL UNDERWRITING LIMITED
Company number 04521272 · Private Limited Company · Active. Its ownership runs 1 layer up, from its confirmation statements at Companies House.
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Ownership chart
GARTHPOOL UNDERWRITING LIMITED's ownership structure
Owners above, the companies it holds below, from confirmation statements filed at Companies House.
Company report
The full company report on GARTHPOOL UNDERWRITING LIMITED
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Register details
Company facts
- Company number
- 04521272
- Status
- Active
- Company type
- Private Limited Company
- Incorporated
- 29 August 2002
- Registered office
- Grantham, Lincolnshire
- Country of origin
- United Kingdom
- Business
- Non-life insurance
- Latest accounts type
- Full
- Shareholder layers
- 1
Company details from the Companies House register of 1 September 2026.
At a glance
GARTHPOOL UNDERWRITING LIMITED's ownership
- Its latest confirmation statement with a shareholder list (10 April 2024) lists 1 shareholder: 1 other shareholder, such as a person.
From confirmation statements filed at Companies House up to 19 June 2026. Shareholdings can change at any time: check the current position live before relying on it.
Shareholders · 1 layer
Who owns GARTHPOOL UNDERWRITING LIMITED
GARTHPOOL UNDERWRITING LIMITED's shareholders as listed in its latest confirmation statement, then the shareholders of each shareholder that is a UK company, layer by layer.
Every shareholder, layer by layer (1)
Layer 1
Shareholders of GARTHPOOL UNDERWRITING LIMITED · statement of 10 April 2024
| Shareholder | Stake | Shares | Class |
|---|---|---|---|
| WILLIAM MARK CHARLES GARTHWAITE (DECEASED) | — | 100 | ORDINARY |
People with significant control · 3 current
Who controls GARTHPOOL UNDERWRITING LIMITED
GARTHPOOL UNDERWRITING LIMITED's people with significant control as registered at Companies House on 12 November 2026: 3 current and 1 former. They are the people and companies that hold more than 25% of its shares or voting rights, or otherwise control it.
Current (3)
| Name | Nature of control | Notified | Details |
|---|---|---|---|
| Miss Jemima Victoria Garthwaite | Shares: more than 25% but not more than 50% Voting rights: more than 25% but not more than 50% | 27 March 2026 | Person · British · resident in United Kingdom |
| Miss Rosie Francesca Garthwaite | Shares: more than 25% but not more than 50% Voting rights: more than 25% but not more than 50% | 27 March 2026 | Person · British · resident in England |
| Mr William Tuzo Garthwaite | Shares: more than 25% but not more than 50% Voting rights: more than 25% but not more than 50% | 27 March 2026 | Person · British · resident in England |
Former (1)
| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Sir William Mark Charles Garthwaite (Deceased) | Shares: 75% or more Voting rights: 75% or more Right to appoint and remove directors | 6 April 2016 | 27 March 2026 |
Officers · 6 current
Who runs GARTHPOOL UNDERWRITING LIMITED
GARTHPOOL UNDERWRITING LIMITED's directors and secretaries as registered at Companies House on 12 November 2026: 6 current and 7 former.
Current officers (6)
| Name | Role | Appointed | Nationality | Country of residence |
|---|---|---|---|---|
| FIDENTIA NOMINEES LIMITED | Corporate secretary | 1 January 2011 | — | — |
| GARTHWAITE, Jemima Victoria | Director | 23 March 2026 | British | United Kingdom |
| GARTHWAITE, Rosie Francesca | Director | 23 March 2026 | British | England |
| GARTHWAITE, Victoria Lizette, Lady | Director | 11 March 2019 | British | England |
| GARTHWAITE, William Tuzo | Director | 23 March 2026 | British | England |
| FIDENTIA TRUSTEES LIMITED | Corporate director | 1 January 2011 | — | — |
Former officers (7)
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| AEQUANIMITER LIMITED | Corporate secretary | 9 September 2002 | 12 December 2006 |
| EVERSECRETARY LIMITED | Corporate nominee secretary | 29 August 2002 | 9 September 2002 |
| HAMPDEN LEGAL PLC | Corporate secretary | 12 December 2006 | 1 January 2011 |
| GARTHWAITE, William Mark Charles, Sir | Director | 9 September 2002 | 23 March 2024 |
| WHITE, Graham John | Director | 9 September 2002 | 31 January 2003 |
| EVERDIRECTOR LIMITED | Corporate nominee director | 29 August 2002 | 9 September 2002 |
| NOMINA PLC | Corporate director | 31 December 2006 | 1 January 2011 |
Explained
How this chart is built
Every UK company files a confirmation statement with Companies House at least once a year, and private companies list their shareholders in it. The chart takes each company's latest statement with a shareholder list and follows every shareholder that is itself a UK company to that company's own statement, layer by layer. Holdings work the other way: every company whose latest statement lists the company as a shareholder, then the companies those hold.
A stake is the share of the company's issued shares, weighted by nominal value where the statement gives it. Each statement shows the position on its own date. Shareholders are matched to UK companies by their registered names, so a holder can occasionally be matched to the wrong company or not matched at all.
Live lookup
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