Person with significant control
Osman Ertosun
Nationality British · Lives in England
Osman Ertosun is recorded at Companies House as a person with significant control of 28 companies, 4 of which have since been dissolved. Their control of 2 more companies has ended.
Compiled using data from Companies House (register of people with significant control, 31 October 2026) and OpenRegistry.
- Companies
- 28
- Of which dissolved
- 4
- Control ended
- 2
- Earliest notification
- 30 Jun 2016
- Most common control
- Significant influence or control (17)
Companies Osman Ertosun controls
| Company | Company number | Control | Notified |
|---|---|---|---|
| AQUILA HOMES LIMITED | 07337362 | Significant influence or control | 4 Apr 2020 |
| BEACON LEARNING GROUP LTD | 17468221 | Ownership of shares 25–50% Voting rights 25–50% Right to appoint and remove directors | 18 Sep 2026 |
| CRIUS AVIATION LIMITED | 07787165 | Ownership of shares 25–50% | 1 Feb 2024 |
| CRIUS AVIATION SOLUTIONS LIMITED | 07583070 | Ownership of shares 75–100% | 30 Jun 2016 |
| DINARDO CARE AND SUPPORTS LTD | 07787142 | Voting rights 25–50% | 30 Jun 2016 |
| ENGOZI LIMITED | 13662292 | Ownership of shares 25–50% Voting rights 25–50% Right to appoint and remove directors | 5 Oct 2021 |
| EXCELCARE (CAMBRIDGE) LIMITED | 06276142 | Significant influence or control | 4 Apr 2020 |
| EXCELCARE (LONDON) LIMITED | 06276403 | Significant influence or control | 4 Apr 2020 |
| EXCELCARE ARCUS INVESTMENTS LIMITED | 13214667 | Significant influence or control | 19 Feb 2021 |
| EXCELCARE HOLDINGS LIMITED | 03146902 | Significant influence or control | 4 Apr 2020 |
| GELSTAR LIMITED | 07407260 | Significant influence or control | 4 Apr 2020 |
| GUILDMORE (BECKENHAM) LIMITED | 11898612 | Significant influence or control | 2 Jun 2026 |
| GUILDMORE (LADYWELL) LIMITED | 11296967 | Significant influence or control | 4 Apr 2020 |
| GUILDMORE GROUP LIMITED | 16264239 | Ownership of shares 25–50% Voting rights 25–50% Right to appoint and remove directors | 31 Mar 2025 |
| GUILDMORE HOLDINGS LIMITED | 11365042 | Significant influence or control | 4 Apr 2020 |
| GUILDMORE HOMESTEAD LIMITED | 11380971 | Significant influence or control | 4 Apr 2020 |
| GUILDMORE SOLUTIONS LTD | 11363696 | Significant influence or control | 4 Apr 2020 |
| IN HOUSE LIVING LIMITED | 16257571 | Significant influence or control | 17 Feb 2025 |
| KENT PADEL TENNIS LIMITED | 16712804 | Ownership of shares 25–50% | 3 May 2026 |
| PROPFIN LTD | 09885474 | Significant influence or control | 23 Nov 2022 |
| REINA SUPPORTS LIMITED | 12336830 | Voting rights 25–50% Right to appoint and remove directors | 27 Nov 2019 |
| SPRINGMARSH HOMES LIMITED | 03324727 | Significant influence or control | 4 Apr 2020 |
| SURREY SQUARE MANAGEMENT LIMITED | 09747323 | Significant influence or control | 4 Apr 2020 |
| TAZE HOLDINGS LIMITED | 12889281 | Significant influence or control | 18 Sep 2020 |
| Name not in our recordsDissolved | 04676854 | Ownership of shares 75–100% | 18 Feb 2019 |
| Name not in our recordsDissolved | 08746322 | Significant influence or control | 4 Apr 2020 |
| Name not in our recordsDissolved | 10644998 | Ownership of shares 25–50% Voting rights 25–50% Right to appoint and remove directors | 4 Apr 2020 |
| Name not in our recordsDissolved | 11546551 | Ownership of shares 25–50% Voting rights 25–50% Right to appoint and remove directors | 4 Feb 2022 |
Companies where Osman Ertosun’s control has ended
| Company | Company number | Control | Notified | Ended |
|---|---|---|---|---|
| GUILDMORE GROUP LIMITED | 16264239 | Ownership of shares 25–50% Voting rights 25–50% Right to appoint and remove directors | 19 Feb 2025 | 21 Mar 2025 |
| APAX SUPPORT LIMITED | 07192583 | Significant influence or control | 4 Apr 2020 | 7 Feb 2022 |