Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 5 October 2027
- Last conf. stmt
- 21 September 2026
Substantial Topco Limited
- Incorporated
- 22 September 2020 (6 years)
- Industry
- Activities of other holding companies n.e.c. (64209)
- Directors
- Zachary Leonard StephensonJonathan FrieselXenia Sarri
- Owned by
- DBP Nilus Holdings, LPAdvencap Fibre Holdco Limited
- Accounts type
- Group
- Region
- Greater London
- Address
- 167 - 169 5th FloorGreat Portland StreetLondonW1W 5PF
Charges
- Total
- 5
- Outstanding
- 1
- Part satisfied
- 0
- Satisfied
- 4
Officers 9 active
Officer details are public data from the Companies House register.
Stephenson, Zachary Leonard
Director · Appointed 25 March 2026
British
Born June 1994 (32)
Friesel, Jonathan
Director · Appointed 8 May 2025
American
Born November 1974
Sarri, Xenia
Director · Appointed 1 November 2024
British
Born May 1981 (45)
Pretorius, Johan Christiaan Rudolph
Director · Appointed 27 September 2024
South African
Born January 1976 (50)
Tunstall, Richard John
Director · Appointed 27 September 2024
South African
Born April 1982 (44)
Director · Appointed 4 June 2021
British
Born June 1971 (55)
Director · Appointed 6 October 2020
British
Born January 1963 (63)
Director · Appointed 6 October 2020
British
Born June 1968 (58)
Director · Appointed 22 September 2020
French
Born September 1983 (43)
Officer history (4 former)
25 March 2026
Appointed Stephenson, Zachary Leonard as Director
19 March 2026
8 May 2025
Appointed Friesel, Jonathan as Director
8 May 2025
1 November 2024
Resigned Gellman, Zachary as Director
1 November 2024
Appointed Sarri, Xenia as Director
27 September 2024
Appointed Tunstall, Richard John as Director
27 September 2024
Appointed Pretorius, Johan Christiaan Rudolph as Director
29 September 2022
Appointed Gellman, Zachary as Director
29 September 2022
29 September 2022
29 September 2022
4 June 2021
4 June 2021
6 October 2020
6 October 2020
22 September 2020
Ownership 2 active
People and entities with significant control, from the Companies House PSC register
DBP Nilus Holdings, LP
Corporate entity · Notified 5 August 2026
Owns 25–50% of shares
Holds 25–50% of voting rights
Exempted Limited Partnership
Reg. no. 136175
Advencap Fibre Holdco Limited
Corporate entity · Notified 16 August 2024
Owns 25–50% of shares
Holds 25–50% of voting rights
Private Company
Reg. no. 00000000
Former controllers (3)
5 August 2026
Ceased DBP Nilus S.A R.L. — Holds 25–50% of voting rights
4 June 2021
Ceased Glennex Limited — Owns 25–50% of shares
4 June 2021
Ceased Jeremy Chelot — Owns 25–50% of shares
Group structure 6 shown
Ownership group derived from the Companies House PSC register
Substantial Topco Limited This company
Substantial Holdco Limited Owns 75–100% of shares
Substantial Midco Limited Owns 75–100% of shares
Saltco II Limited Owns 75–100% of shares
Substantial Midco 2 Limited Owns 75–100% of shares
Substantial Manco Limited Owns 75–100% of shares
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 18 September 2026 | Cessation of a person with significant control | |||
| 18 September 2026 | Change of details for a person with significant control | |||
| 5 September 2026 | Notification of a person with significant control |
Other companies at this postcode
Over 1,000 have been registered at this postcode.
Other companies in this industry
London
London
London
London
By trade and location
Explore the largest companies
Need accounts figures, ownership or websites for thousands of companies? Bulk data & API →