Osmosis Management Limited

Active13527170 Private limited company

Incorporated: 23 July 2021 (5 years)
Previously known as: Osmosis Management Holdings Limited (until 29 July 2024)
This list may be incomplete. See all names on Companies House
Industry: Activities of other holding companies n.e.c. (64209)
Directors: Andrew Nathaniel Shvartsman
Dominic Desbiens
Mark Edward Blunden

list may be incomplete
Controlled by: Byron David Trott
Accounts type: Total exemption full
Region: South East
Address: One Forbury Square
The Forbury
Reading
RG1 3BB

Filing status

Accounts due: 30 September 2027
Last accounts: 31 December 2025
Conf. stmt due: 5 August 2027
Last conf. stmt: 22 July 2026

Officers

This list may be incomplete. See all officers on Companies House

Officer details are public data from the Companies House register.

Shvartsman, Andrew Nathaniel

Director · Appointed 16 May 2025

American

Born December 1993 (32)

Desbiens, Dominic

Director · Appointed 2 July 2024

Also at BDT & MSD Partners International II, Ltd, BDT & MSD Partners International I, Ltd, 3 Humbolt Road Limited

British

Born October 1978 (48)

Blunden, Mark Edward

Director · Appointed 22 April 2022

Also at Osmosis Funding Limited, Osmosis Buyer Limited, Osmosis Topco Limited · more companies

British

Born December 1968 (57)

Montupet, James Colin

Director · Appointed 23 November 2021

Also at Wli (UK) Limited, Culligan Shared Services (UK) Limited, Wli Dr & J Holdings Ltd · more companies

American

Born May 1986 (40)

Todd, Mary Ann

Director · Appointed 23 July 2021

American

Born May 1968 (58)

Officer history (3 former)

16 May 2025

Appointed Shvartsman, Andrew Nathaniel as Director

25 October 2024

Resigned Williams, Sarah Anne as Director

2 July 2024

Appointed Desbiens, Dominic as Director

17 June 2024

Resigned Giovanna, Frida Sarah Hanna, Mrs. as Director

22 April 2022

Appointed Blunden, Mark Edward as Director

22 April 2022

Appointed Giovanna, Frida Sarah Hanna, Mrs. as Director

23 November 2021

Appointed Montupet, James Colin as Director

23 November 2021

Appointed Williams, Sarah Anne as Director

23 November 2021

Resigned Trott, Byron David as Director

23 July 2021

Appointed Todd, Mary Ann as Director

23 July 2021

Appointed Trott, Byron David as Director

Ownership 1 active

People and entities with significant control, from the Companies House PSC register

Byron David Trott

Individual · Notified 23 July 2021

Holds 50–75% of voting rights

American

Born December 1958 (67)

Filings

Recent filings only. See the full history on Companies House

Date	Description	Made Up To
22 October 2026	Registered office address changed
7 September 2026	Change of share class name or designation
7 September 2026	Particulars of variation of rights attached to shares
7 September 2026	Statement of capital following an allotment of shares
4 September 2026	Confirmation statement with updates	22 July 2026