Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 1 March 2027
- Last conf. stmt
- 15 February 2026
Calm Treasury Holdings Limited
- Incorporated
- 21 September 2015 (11 years)
- Previously known as
- MMC Treasury Holdings (UK) Limited (until 29 November 2022)
- Industry
- Activities of head offices (70100)
- Owned by
- Marsh & McLennan Companies, Inc.
- Accounts type
- Full
- Region
- Greater London
- Address
- 1 Tower Place WestTower PlaceLondonEC3R 5BU
Officers 4 active
Officer details are public data from the Companies House register.
Director · Appointed 2 July 2024
British
Born December 1978 (47)
Director · Appointed 2 July 2024
British
Born June 1992 (34)
Corporate Secretary · Appointed 20 January 2023
Director · Appointed 14 March 2016
British
Born May 1968 (58)
Officer history (10 former)
2 July 2024
2 July 2024
2 July 2024
5 April 2024
26 May 2023
20 January 2023
20 January 2023
Resigned Daoud-O'Connell, Mariana as Secretary
1 February 2022
1 February 2022
1 February 2022
Appointed Daoud-O'Connell, Mariana as Secretary
1 March 2021
28 February 2021
31 July 2019
Resigned Marsh, Wendy Patricia as Secretary
3 August 2018
3 August 2018
14 March 2016
Appointed Marsh, Wendy Patricia as Secretary
14 March 2016
Resigned Abbott, Adrianne Helen Marie as Secretary
14 March 2016
14 March 2016
1 March 2016
8 October 2015
Appointed Abbott, Adrianne Helen Marie as Secretary
21 September 2015
21 September 2015
21 September 2015
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Marsh & McLennan Companies, Inc.
Corporate entity · Notified 6 April 2016
Owns 75–100% of shares
Holds 75–100% of voting rights
Corporation
Reg. no. 36-2668272
Group structure 36 shown
Ownership group derived from the Companies House PSC register
Calm Treasury Holdings Limited This company
Cardano Holding Limited Owns 75–100% of shares
Cardano Advisory Limited Owns 75–100% of shares
Lincoln Pensions Limited Owns 75–100% of shares
Fundhouse Bespoke Limited Owns 75–100% of shares
Fundhouse Limited Owns 75–100% of shares
Jelf Limited Owns 75–100% of shares
JLT Group Holdings Limited Owns 75–100% of shares
Jib Group Limited Owns 75–100% of shares
Jib Group Holdings Limited Owns 75–100% of shares
Marsh & McLennan Companies UK Limited Owns 75–100% of shares
MMC International Limited Owns 75–100% of shares
MMC UK Group Limited Owns 75–100% of shares
Insolutions Limited Owns 75–100% of shares
Marsh (Insurance Services) Limited Owns 75–100% of shares
Marsh Consulting Limited Owns 75–100% of shares
Marsh Corporate Services Limited Owns 75–100% of shares
Marsh Limited Owns 75–100% of shares
Marsh Secretarial Services Limited Owns 75–100% of shares
Marsh Services Limited Owns 75–100% of shares
Mercer Limited Owns 75–100% of shares
MMC International Treasury Centre Limited Owns 75–100% of shares
Oliver Wyman Limited Owns 75–100% of shares
MMC UK Pension Fund Trustee Limited Holds 75–100% of voting rights
Mercer Africa Limited Owns 75–100% of shares
MMC Holdings (UK) Limited Owns 75–100% of shares
Secor Partners (UK), Ltd Owns 75–100% of shares
Secor Investment Advisors (UK), LLP Holds 75–100% of voting rights
Welbeck Strategic Land V Limited Has significant influence or control
Welbeck Strategic Land VI Limited Has significant influence or control
Filings 90
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 6 October 2026 | Full accounts | 31 December 2025 | ||
| 27 February 2026 | Confirmation statement with no updates | 15 February 2026 | ||
| 17 January 2026 | Other filing | |||
| 16 January 2026 | Memorandum and Articles of Association | |||
| 16 January 2026 | Change of share class name or designation |
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