EUROREGISTRY
GB · Person with significant control
Helen Rebecca Knopf
Helen Rebecca Knopf is recorded on the Companies House register of people with significant control for 7 UK companies.
Register details
Facts
- Name on the register
- Mrs Helen Rebecca Knopf
- Type
- Individual
- Nationality
- British
- Country of residence
- England
- Year of birth
- 1976
- Significant control now
- 7 UK companies
- Earlier significant control
- 2 UK companies
- First notified
- 6 April 2016
- Source
- Companies House register of people with significant control, 20 September 2026
At a glance
Helen Rebecca Knopf's companies
- Main lines of business: buying and selling of own real estate (4), activities of other holding companies n.e.c. (1) and management consultancy activities other than financial management (1).
- Registered offices in London (6).
- The companies were incorporated between 2001 and 2025.
- All of the companies also list other people or companies with significant control.
These details come from the register as published on 20 September 2026. The register can change at any time: check the current entry live before relying on it.
Companies
Significant control now
UK companies that list Helen Rebecca Knopf as a person with significant control, with the nature of that control as registered.
| Company | Status | Incorporated | Town | Business | Nature of control | Since |
|---|---|---|---|---|---|---|
| MARGAUX ESTATES LIMITED 16894684 · Private Limited Company | Active | 6 December 2025 | London | Buying and selling of own real estate | Owns more than 25% but not more than 50% of the shares; Holds more than 25% but not more than 50% of the voting rights; Can appoint or remove a majority of the board of directors | 6 December 2025 |
| CMK CORPORATION LIMITED 16120815 · Private Limited Company | Active | 5 December 2024 | London | Buying and selling of own real estate | Owns more than 25% but not more than 50% of the shares; Holds more than 25% but not more than 50% of the voting rights | 5 December 2024 |
| BLUNDELL LIMITED 13454733 · Private Limited Company | Active | 14 June 2021 | London | Buying and selling of own real estate | Owns more than 25% but not more than 50% of the shares; Holds more than 25% but not more than 50% of the voting rights; Can appoint or remove a majority of the board of directors | 14 June 2021 |
| THE BUTTON GROUP LIMITED 13402459 · Private Limited Company | Active | 17 May 2021 | London | Activities of other holding companies n.e.c. | Owns more than 25% but not more than 50% of the shares; Holds more than 25% but not more than 50% of the voting rights; Can appoint or remove a majority of the board of directors | 17 May 2021 |
| EVERGREEN MEWS PROPERTIES LIMITED 13400028 · Private Limited Company | Active | 15 May 2021 | London | Buying and selling of own real estate | Owns more than 25% but not more than 50% of the shares; Holds more than 25% but not more than 50% of the voting rights; Can appoint or remove a majority of the board of directors | 15 May 2021 |
| CK-CK LIMITED 04178397 · Private Limited Company | Active | 13 March 2001 | — | Management consultancy activities other than financial management; Other business support service activities n.e.c. | Owns more than 25% but not more than 50% of the shares | 6 April 2016 |
| THE BUTTON FOUNDATION 07355430 · PRI/LBG/NSC (Private, Limited by guarantee, no share capital, use of 'Limited' exemption) | Active | 24 August 2010 | London | Other social work activities without accommodation n.e.c. | Can appoint or remove a majority of the board of directors | 6 April 2016 |
History
Earlier significant control
Companies where Helen Rebecca Knopf was registered as having significant control, and no longer is.
| Company | Nature of control | From | Until |
|---|---|---|---|
| THE BUTTON PROPERTY (BANBURY) LIMITED 14732618 · Private Limited Company | Owns more than 25% but not more than 50% of the shares | 15 March 2023 | 31 October 2023 |
| THE BUTTON CORPORATION LIMITED 07018198 · Private Limited Company | Owns more than 25% but not more than 50% of the shares; Holds more than 25% but not more than 50% of the voting rights | 14 September 2016 | 27 May 2022 |
Explained
What significant control means
Every UK company must keep a register of the people with significant control over it and file it with Companies House. Someone has significant control if they own more than 25% of the shares or voting rights, can appoint or remove a majority of the board, or otherwise have significant influence or control. Companies can also be controlled through another company, which then appears on the register itself.
Live lookup
Check it live
With EuroRegistry connected, your AI assistant reads the current entry straight from Companies House at the moment you ask. Try asking:
- Who has significant control of MARGAUX ESTATES LIMITED today?
- Show me the current Companies House entry for MARGAUX ESTATES LIMITED.
- Who are the directors of MARGAUX ESTATES LIMITED?
Get started
Company ownership, straight from the register
Connect Claude, ChatGPT or your editor and ask who controls any company in ten countries.