Website & contact details
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Lseg B3 Limited
- Incorporated
- 12 August 2024 (2 years)
- Industry
- Information technology consultancy activities (62020) Other information technology service activities (62090)
- Owned by
- Accounts type
- Full
- Region
- Greater London
- Address
- 10 Paternoster SquareLondonEC4M 7LS
Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 25 August 2027
- Last conf. stmt
- 11 August 2026
Officers 5 active
Officer details are public data from the Companies House register.
British
Born March 1978 (48)
British
Born June 1979 (47)
Director · Appointed 7 January 2025
Also at London Stock Exchange PLC · more companies
British
Born September 1973 (53)
Director · Appointed 12 August 2024
British
Born February 1973 (53)
O'Hanlon, Carla Jane
Secretary · Appointed 12 August 2024
Officer history (3 former)
24 October 2025
31 March 2025
31 March 2025
31 March 2025
Resigned Calver, Scott as Director
31 March 2025
7 January 2025
7 January 2025
12 August 2024
12 August 2024
Appointed O'Hanlon, Carla Jane as Secretary
12 August 2024
Appointed Calver, Scott as Director
12 August 2024
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 12 August 2024
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private Company Limited By Shares
Reg. no. 15546727
Group structure 58 shown
Ownership group derived from the Companies House PSC register
LCH Group Holdings Limited Right to appoint and remove directors
LCH Limited Owns 75–100% of shares
International Commodities Clearing House Limited Owns 25–50% of shares
LCH Pensions Limited Owns 25–50% of shares
Lch.Clearnet Group Limited Owns 75–100% of shares
London Produce Clearing House Limited (The) Owns 75–100% of shares
The London Clearing House Limited Owns 75–100% of shares
London Stock Exchange (C) Limited Owns 75–100% of shares
London Stock Exchange Group (Services) Limited Owns 75–100% of shares
Lseg B1 Limited Owns 75–100% of shares
Lseg B2 Limited Owns 75–100% of shares
Lseg B3 Limited This company Owns 75–100% of shares
Lseg Business Services Limited Owns 75–100% of shares
Lseg Employment Services Limited Owns 75–100% of shares
London Stock Exchange Group Holdings (Italy) Limited Owns 75–100% of shares
London Stock Exchange Group Holdings (R) Limited Owns 75–100% of shares
Turquoise Global Holdings Limited Owns 75–100% of shares
London Stock Exchange Group Holdings Limited Owns 75–100% of shares
Bluehall Debenture Company Limited Owns 75–100% of shares
Fomtech Limited Owns 25–50% of shares
Floww Markets Limited Owns 75–100% of shares
Floww Pool Limited Owns 75–100% of shares
Ftse International Limited Owns 75–100% of shares
Ftse (Australia) Limited Owns 75–100% of shares
Ftse (Japan) Limited Owns 75–100% of shares
Ftse Global Debt Capital Markets Limited Owns 75–100% of shares
Lseg (Elt) Limited Owns 75–100% of shares
Lseg Pension Trustees Limited Owns 75–100% of shares
SSC Global Business Services Limited Owns 75–100% of shares
London Stock Exchange PLC Owns 75–100% of shares
London Stock Exchange Reg Holdings Limited Owns 75–100% of shares
London Stock Exchange Lei Limited Owns 75–100% of shares
Lseg PTS Holdings Limited Owns 75–100% of shares
Lseg Post Trade Services Limited Owns 75–100% of shares
Quantile Technologies Limited Owns 75–100% of shares
Swapagent Limited Owns 75–100% of shares
Lseg Regulatory Reporting Limited Owns 75–100% of shares
Lseg Data and Risk Limited Owns 75–100% of shares
Financial & Risk Organisation Limited Owns 75–100% of shares
Refinitiv UK (Rest of World) Holdings Limited Owns 75–100% of shares
Refinitiv UK Holdings Limited Owns 75–100% of shares
Refinitiv Limited Owns 75–100% of shares
Lseg Finance PLC Owns 75–100% of shares
Lsega Limited Owns 75–100% of shares
Lsega2 Limited Owns 75–100% of shares
Lsegh (Luxembourg) Limited Owns 75–100% of shares
Lseg (F) Limited Owns 75–100% of shares
Lseg F1 Limited Owns 75–100% of shares
Lseg (M) Financing Limited Owns 75–100% of shares
Lseg F3 Limited Owns 75–100% of shares
Tora Trading Services Limited Owns 75–100% of shares
UK Lseg Financing 1 Limited Owns 75–100% of shares
Luh Financing Limited Owns 75–100% of shares
Lseg International Financing Limited Owns 75–100% of shares
UK Lseg Financing Limited Owns 75–100% of shares
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 11 August 2026 | Confirmation statement with no updates | 11 August 2026 | ||
| 12 May 2026 | Full accounts | 31 December 2025 | ||
| 30 October 2025 | Termination of appointment of a director | |||
| 19 August 2025 | Confirmation statement with updates | 11 August 2025 | ||
| 4 August 2025 | Current accounting period extended |
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