Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 30 May 2027
- Last conf. stmt
- 16 May 2026
Osmosis Topco Limited
- Incorporated
- 17 May 2021 (5 years)
- Previously known as
- Osmosis Holdings Topco Limited (until 29 July 2024)
- Industry
- Activities of other holding companies n.e.c. (64209)
- Controlled by
- Byron David Trott
- Accounts type
- Full
- Region
- South East
- Address
- One Forbury SquareThe ForburyReadingRG1 3BB
Officers 4 active
Officer details are public data from the Companies House register.
Director · Appointed 29 January 2026
American
Born July 1985 (41)
Director · Appointed 15 July 2025
American
Born May 1986 (40)
Director · Appointed 24 June 2024
American
Born September 1980 (46)
Director · Appointed 22 April 2022
British
Born December 1968 (57)
Officer history (8 former)
29 January 2026
29 January 2026
15 July 2025
14 March 2025
25 October 2024
2 July 2024
24 June 2024
1 November 2022
22 April 2022
22 April 2022
15 April 2022
30 July 2021
30 July 2021
30 July 2021
30 July 2021
30 July 2021
30 July 2021
30 July 2021
17 May 2021
17 May 2021
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
American
Born December 1958 (67)
Group structure 15 shown
Ownership group derived from the Companies House PSC register
Osmosis Topco Limited This company
Osmosis Funding Limited Owns 75–100% of shares
Osmosis Buyer Limited Owns 75–100% of shares
Aquamatic Products Limited Owns 75–100% of shares
Culligan (UK) Limited Owns 75–100% of shares
Culligan Consumer Products (UK) Limited Owns 75–100% of shares
Culligan Pure Holdings Ltd Owns 75–100% of shares
Culligan Shared Services (UK) Limited Owns 75–100% of shares
Culligan US Holdings Ltd Owns 75–100% of shares
Ewt Water Limited Owns 75–100% of shares
Phox Water Ltd Owns 75–100% of shares
Waterlogic Holdings Limited Owns 75–100% of shares
Wli (UK) Limited Owns 75–100% of shares
Wli Dr & J Holdings Ltd Owns 75–100% of shares
Filings 55
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 22 October 2026 | Registered office address changed | |||
| 8 October 2026 | Full accounts | 31 December 2025 | ||
| 4 June 2026 | Confirmation statement with no updates | 16 May 2026 | ||
| 16 March 2026 | Director's details changed | |||
| 3 February 2026 | Appointment of a director |
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