Filing status
- Accounts due
- 31 December 2026
- Last accounts
- 31 December 2024
- Conf. stmt due
- 9 December 2026
- Last conf. stmt
- 25 November 2025
Zishi Cornerstone Limited
- Incorporated
- 16 April 2015 (11 years)
- Previously known as
- Square Mile Education Limited (until 23 March 2019)This list may be incomplete. See all names on Companies House
- Industry
- Other education n.e.c. (85590)
- Directors
- Owned by
- Accounts type
- Audit exemption subsidiary
- Region
- Greater London
- Address
- Imperial House21-25 North StreetBromleyBR1 1SD
Officers 1 active
Officer details are public data from the Companies House register.
Director · Appointed 12 November 2015
British
Born July 1972 (54)
Officer history (6 former)
1 August 2024
4 January 2024
Resigned Weinreb, Nick as Secretary
23 February 2023
Resigned Aguda, Ayodeji as Secretary
22 February 2023
Appointed Weinreb, Nick as Secretary
31 July 2022
22 April 2022
Appointed Aguda, Ayodeji as Secretary
22 April 2022
Resigned Naik, Justina as Secretary
23 March 2021
23 June 2017
Appointed Naik, Justina as Secretary
12 November 2015
12 November 2015
16 April 2015
16 April 2015
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 31 December 2020
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Limited Company
Reg. no. 11574608
Former controllers (2)
31 December 2020
Ceased O.S.T.C — Owns 75–100% of shares
23 December 2019
Ceased Ostc Portfolio Limited — Owns 75–100% of shares
Group structure 11 companies
Ownership group derived from the Companies House PSC register
O.S.T.C. Limited Owns 75–100% of shares
Eos Precious Metals Limited Holds 25–50% of voting rights
Ostc Kondor LLP Holds 25–50% of voting rights
Ostc Wales LLP Holds 75–100% of voting rights
Ostc Dubai Partnership Limited Owns 75–100% of shares
Zishi Group Limited Owns 75–100% of shares
BG Consulting Group Limited Owns 75–100% of shares
FSTP Limited Owns 75–100% of shares
Market Squared Limited Owns 75–100% of shares
Zishi Cornerstone Limited This company Owns 75–100% of shares
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 22 October 2026 | Register inspection address has been changed | |||
| 22 October 2026 | Register(s) moved to registered inspection location | |||
| 4 January 2026 | Audit exemption subsidiary accounts | 31 December 2024 | ||
| 4 January 2026 | Other filing | |||
| 4 January 2026 | Other filing |
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