GUINNESS MAHON GROUP LIMITED
Company details
- Registered name
- GUINNESS MAHON GROUP LIMITED
- Company number
- 01627626
- Registered office
- 30 GRESHAM STREET, LONDON, EC2V 7QP, ENGLAND
- Company type
- Private Limited Company
- Incorporated on
- 7 April 1982
- Status
- Active
- Age
- 44 years
- Nature of business (SIC)
- 64999 — Financial intermediation not elsewhere classified
- Accounts — next due
- 31 Dec 2026
- Accounts — last made up to
- 31 Mar 2025
- Confirmation statement — next due
- 02 Jul 2027
- Confirmation statement — last
- 18 Jun 2026
What the register says
Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.
- A person with significant control here also controls 4 other companies.
- The last accounts filed were dormant accounts — the company reported no trading.
Companies House register snapshot, read 02/09/2026.
People with significant control
Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors
Corporate structure
Who controls this company, and who they control in turn
Connections
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 27/10/2020 | Person with significant control ceased | Investec Group (Uk) Limited | — |
| 27/10/2020 | Person with significant control added | — | Investec 1 Limited |
| 06/04/2016 | Person with significant control added | — | Investec Group (Uk) Limited |
Documents for GUINNESS MAHON GROUP LIMITED
Need this one company on file? Buy the document on its own — no plan required.
The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.
Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Data protection register
Registered with the Information Commissioner's Office as a data protection fee payer.
The ICO publishes no company number, so this is matched on the registered name and confirmed by the postcode. Check the ICO entry before relying on it.
Get this company via API
Every field on this page is available as structured JSON behind one endpoint and one API key.
GET /v1/company/gb/01627626
X-Api-Key: $OPENDATA_KEYFrequently asked questions
What is the company number of GUINNESS MAHON GROUP LIMITED?▾
Where is GUINNESS MAHON GROUP LIMITED registered?▾
What is the SIC code of GUINNESS MAHON GROUP LIMITED?▾
Who controls GUINNESS MAHON GROUP LIMITED?▾
When are the next accounts of GUINNESS MAHON GROUP LIMITED due?▾
About GUINNESS MAHON GROUP LIMITED (01627626)
GUINNESS MAHON GROUP LIMITED is a private limited company incorporated on 7 April 1982 and registered in the United Kingdom under company number 01627626. Its registered office is at 30 GRESHAM STREET, LONDON, EC2V 7QP, ENGLAND. The recorded nature of business is financial intermediation not elsewhere classified (SIC 64999). The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is Investec 1 Limited. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
Companies at the same registered office
Financial intermediation not elsewhere classified across UK registers
The same sector and the same company, seen through every register we hold
Explore by sector
Every UK company records what it does as a SIC code — browse the sectors around this one.