Website & contact details
- Website
B3 Insurance Limited
- Incorporated
- 4 March 2020 (6 years)
- Previously known as
- NSM UK Holdings Ltd (until 3 March 2026)
- Industry
- Activities of other holding companies n.e.c. (64209)
- Directors
- Victor Paul Rainsford
- Accounts type
- Full
- Region
- Greater London
- Address
- Level 15 30 St. Mary AxeLondonEC3A 8EP
Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 17 March 2027
- Last conf. stmt
- 3 March 2026
Charges
- Total
- 3
- Outstanding
- 1
- Part satisfied
- 0
- Satisfied
- 2
Officers 6 active
Officer details are public data from the Companies House register.
Director · Appointed 11 February 2026
British
Born July 1973 (53)
Rainsford, Victor Paul
Director · Appointed 14 August 2025
American
Born June 1966 (60)
Director · Appointed 4 March 2020
Also at Maybury James Limited, Kingsbridge Group Limited, Fresh Insurance Services Group Limited (proposed for strike-off) · more companies
English
Born October 1965 (61)
Castellucci, Marc
Director · Appointed 4 March 2020
American
Born November 1972
Director · Appointed 4 March 2020
American
Born December 1959 (66)
Director · Appointed 4 March 2020
American
Born June 1969 (57)
Officer history (3 former)
11 February 2026
17 December 2025
14 August 2025
Appointed Rainsford, Victor Paul as Director
14 August 2025
Resigned Costello, Jonathan as Director
3 July 2024
10 May 2023
4 March 2020
4 March 2020
Appointed Castellucci, Marc as Director
4 March 2020
4 March 2020
4 March 2020
4 March 2020
Appointed Costello, Jonathan as Director
Ownership 0 active
People and entities with significant control, from the Companies House PSC register
The company has declared that it has no person with significant control.
Former controllers (2)
6 August 2022
Ceased Riser Holdings LP — Owns 75–100% of shares
1 August 2022
Ceased WM International Holdings Ltd — Owns 75–100% of shares
Group structure 13 shown
Ownership group derived from the Companies House PSC register
B3 Insurance Limited This company
Kingfisher UK Holdings Limited Owns 75–100% of shares
First Underwriting Limited Owns 75–100% of shares
Maybury James Limited Owns 75–100% of shares
Stewart Miller McCulloch (Holdings) Limited Owns 75–100% of shares (as a firm)
NSM Mga Holdings Limited Owns 75–100% of shares
First Specialty Limited Owns 75–100% of shares
Vantage IB Limited Owns 75–100% of shares
Kingsbridge Risk Solutions Limited Owns 75–100% of shares
Larsen Howie Limited Owns 75–100% of shares
Soar Newco Limited Owns 75–100% of shares
Dinghy Limited Owns 75–100% of shares
Kingsbridge Technology Limited Owns 75–100% of shares
Financials
Figures from 2022 accounts. Newer accounts, made up to 31 December 2025, are filed but not read yet. See them on Companies House
- Net Assets
- (£9,552,392)
- Cash
- £62,034
- Current Ratio
- 0.0x
Trend
Net Assets
Balance sheet detail
| 2022 | 2021 | 2020 | |
|---|---|---|---|
| Fixed Assets | £106,841,509 | £106,841,509 | |
| Current Assets | £3,357,789 | ||
| Debtors | £3,295,755 | £2,414,647 | £1,637,126 |
| Cash | £62,034 | ||
| Creditors (< 1 year) | £78,032,000 | £73,035,754 | £68,693,341 |
| Creditors (> 1 year) | £41,719,690 | £41,862,500 | £42,287,500 |
| Net Current Assets | (£74,674,211) | (£70,621,107) | (£67,056,215) |
| Net Assets | (£9,552,392) | (£5,642,098) | (£2,502,206) |
| Shareholder Funds | (£9,552,392) | (£5,642,098) | (£2,502,206) |
Filings 38
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 6 November 2026 | Full accounts | 31 December 2025 | ||
| 4 March 2026 | Confirmation statement with no updates | 3 March 2026 | ||
| 3 March 2026 | Change of name notice | |||
| 3 March 2026 | Change of name with request to seek comments from relevant body | |||
| 3 March 2026 | Certificate of change of name |
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