ASPEN UNDERWRITING LIMITED
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Cash
—
Latest balance sheet
Net assets
£41m
+28% highest in 3 filed years
Employees
0
Average over period
Profit before tax
£7.1m
-77.7% lowest in 3 filed years
Watchouts
Facts from the Companies House register and the latest accounts — not a rating
-
1 PSC ceased in last 24 months
Significant control changed hands — see the Ownership section.
Net assets
3-year trend · vs Financials median
Accounts
3-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31
| Metric | Trend | 2023-12-31 | 2024-12-31 | 2025-12-31 | Δ vs prior |
|---|---|---|---|---|---|
| Gross written premiums | £857,941,000 | £1,103,963,000 | £1,107,123,000 | +0.3% | |
| Net earned premiums | £317,769,000 | £390,163,000 | £438,554,000 | +12.4% | |
| Claims incurred | £219,678,000 | £216,405,000 | £260,967,000 | +20.6% | |
| Investment return | £19,951,000 | £10,633,000 | £27,216,000 | +156% | |
| Profit before tax | £15,793,000 | £31,962,000 | £7,135,000 | -77.7% | |
| Net profit | £13,450,000 | £47,113,000 | £7,015,000 | -85.1% | |
| Insurance contract liabilities | £1,969,293,000 | £2,263,181,000 | £2,483,363,000 | +9.7% | |
| Total assets | £2,419,336,000 | £2,849,017,000 | £2,963,020,000 | +4% | |
| Total liabilities | £2,434,349,000 | £2,817,313,000 | £2,922,436,000 | +3.7% | |
| Equity | -£15,013,000 | £31,704,000 | £40,584,000 | +28% | |
| Average employees | 0 | 0 | 0 | — |
Values shown as filed in the company's annual accounts. — indicates the figure wasn't present under that line item in that period. The Δ column is the change from the prior filed period as a percentage of |prior|; lines a company doesn't report show —. About these numbers
Ratios
Computed from the line items above — sparklines read oldest → newest
| Ratio | Trend | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|
| Gearing (liabilities / total assets) | 100.6% | 98.9% | 98.6% |
Gearing is liabilities over total assets. Current ratio is current assets over creditors falling due within one year. Interest cover is operating profit over absolute finance costs. Sector-distribution context coming next.
Name history
Renamed 1 time since incorporation
- ASPEN UNDERWRITING LIMITED 2008-03-27 → present
- WHISTLER UNDERWRITING LIMITED 2007-12-21 → 2008-03-27
Audit & accounting basis
- Accounting basis
- FRS 102
- Reporting scope
- Standalone (parent only)
- Auditor
- Ernst & Young LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“After performing an assessment, the Directors are satisfied that the Company has adequate resources to meet its liabilities as they fall due and continue in operational existence up to 30 June 2027. Accordingly, the Directors continue to adopt the going concern basis in preparing the financial statements.”
Significant events
- “In 2025 Cavello Bay Reinsurance Limited has commenced legal proceedings against AIHL, alleging breaches of a Loss Portfolio Transfer Reinsurance Agreement entered into in January 2022.”
- “On 27 August 2025, Aspen Insurance Holdings Limited ("Aspen"), the ultimate holding entity of AUL, and Sompo Holdings, Inc. ("Sompo") announced entry into an Agreement and Plan of Merger by and among Aspen, Endurance Specialty Insurance Ltd., a wholly owned indirect subsidiary of Sompo, and Ajax Ltd., a wholly owned indirect subsidiary of Sompo, whereby Ajax Ltd. will merge with and into Aspen, with Aspen surviving the merger as the surviving company.”
- “On 24 February 2026, Ajax Ltd. merged with and into Aspen, with AIHL surviving such merger as a wholly-owned subsidiary of ESIL and indirect subsidiary of Sompo.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
3 active · 21 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| LAWRENCE, Kelly | Secretary | 2024-11-29 | — | — |
| BRADBROOK, Paul Richard | Director | 2024-11-29 | Feb 1976 | British |
| STANFORD, Sarah Jane | Director | 2020-09-30 | Aug 1982 | British |
Show 21 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| BURDETT, Nicola Jane | Secretary | 2022-11-01 | 2024-11-29 |
| CLARK MCKAY, Alastair George | Secretary | 2008-03-26 | 2011-05-06 |
| KERSHAW, Alex James | Secretary | 2021-09-14 | 2022-11-01 |
| LIPSCOMB, Helen | Secretary | 2011-05-06 | 2021-09-14 |
| DEWEY & LEBOEUF CORPORATE SERVICES LIMITED | Corporate Secretary | 2007-12-21 | 2008-03-26 |
| BUGLER, Nicholas John Roland | Director | 2007-12-21 | 2008-02-18 |
| GREEN, Karen Ann | Director | 2014-07-10 | 2019-02-11 |
| GREEN, Karen Ann | Director | 2008-03-26 | 2013-09-13 |
| JACKSON, Martin Gavin | Director | 2016-09-22 | 2017-07-31 |
| JONES, Christopher Carl Whitmore | Director | 2021-08-27 | 2024-11-29 |
| O'BRIEN, Christopher Patrick James | Director | 2008-02-08 | 2009-10-14 |
| RILEY, Stuart Ian | Director | 2018-06-06 | 2020-08-12 |
| ROSE, Helen | Director | 2016-03-23 | 2022-01-28 |
| ROUSE, Stuart Mark | Director | 2009-11-19 | 2012-05-30 |
| SINCLAIR, Stuart William | Director | 2008-02-08 | 2008-04-17 |
| TERRY, Nigel Joseph Douty | Director | 2013-09-09 | 2015-11-30 |
| VACHER, Kathryn Ruth Louise | Director | 2015-10-13 | 2017-08-01 |
| VACHER, Kathryn Ruth Louise | Director | 2013-09-13 | 2014-07-10 |
| VILLERS, Rupert Carlos Chwoles | Director | 2009-10-22 | 2015-10-13 |
| WADE, Katharine Anne | Director | 2012-09-14 | 2013-07-16 |
| WILLIAMS, Virginia | Director | 2019-07-29 | 2021-07-30 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Sompo Holdings Inc. | Corporate entity | Significant influence | 2026-02-24 | Active |
| Apollo Global Management Llc | Corporate entity | Appoints directors (as firm) | 2019-02-15 | Ceased 2026-02-24 |
| Aspen Insurance Holdings Limited | Corporate entity | Shares 75–100%, Voting 75–100% | 2016-04-06 | Ceased 2019-02-15 |
Filing timeline
Last 20 of 135 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-07-17 | AA | accounts | Accounts with accounts type full | |
| 2026-03-09 | PSC02 | persons-with-significant-control | Notification of a person with significant control | |
| 2026-03-09 | PSC07 | persons-with-significant-control | Cessation of a person with significant control | |
| 2025-11-25 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-07-08 | AA | accounts | Accounts with accounts type full | |
| 2024-12-11 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-11-29 | TM01 | officers | Termination director company with name termination date | |
| 2024-11-29 | AP01 | officers | Appoint person director company with name date | |
| 2024-11-29 | AP03 | officers | Appoint person secretary company with name date | |
| 2024-11-29 | TM02 | officers | Termination secretary company with name termination date | |
| 2024-08-06 | AA | accounts | Accounts with accounts type full | |
| 2024-05-02 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2024-04-18 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2024-04-18 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2024-04-18 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2024-04-18 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2024-04-18 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2024-04-18 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2024-04-18 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2024-04-18 | MR04 | mortgage | Mortgage satisfy charge full |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 4
- Capital events
- 0
- Officers appointed
- 0
- Officers resigned
- 0
last 12 months
last 24 months
last 12 months
last 12 months
Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.