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Company number
01945780

THE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN

Active
✓ Active company on the official register. Next accounts due 30 September 2027.

Company details

London, England Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
THE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN
Company number
01945780
Registered office
21 ELY PLACE, LONDON, EC1N 6TD, ENGLAND · 60 other companies at this postcode
Company type
PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Incorporated on
10 September 1985
Status
Active
Age
41 years
Previous names
THE GEMMOLOGICAL ASSOCIATION AND GEM TESTING LABORATORY OF GREAT BRITAIN (to 28 Jun 2007)
Nature of business (SIC)
94120 — Activities of professional membership organisations
Accounts — next due
30 Sept 2027
Accounts — last made up to
31 Dec 2025
Confirmation statement — next due
24 Sept 2026
Confirmation statement — last
10 Sept 2025

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.

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

Christopher Patrick Smith
has significant influence or control
Notified 06/04/2016
Dr John Mullen Ogden
has significant influence or control
Notified 06/04/2016
John Alan William Hodgkinson
has significant influence or control
Notified 06/04/2016
Kathryn Leigh Bonanno Patrizzi
has significant influence or control
Notified 06/04/2016
Miss Justine Lynda Carmody
has significant influence or control
Notified 06/04/2016
Miss Kerry Honor Gregory
has significant influence or control
Notified 06/04/2016
Mr Nigel Brian Israel
has significant influence or control
Notified 06/04/2016
Mr Paul Frank Greer
has significant influence or control
Notified 06/04/2016
Mr Richard Mark Slater
has significant influence or control
Notified 06/04/2016
Mrs Mary Ann Burland
has significant influence or control
Notified 06/04/2016
Mrs Miranda Elizabeth Jane Wells
has significant influence or control
Notified 06/04/2016

Corporate structure

Who controls this company, and who they control in turn

11 controllers Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Christopher Patrick Smith
born 01/1965 · Usa has significant influence or control Control ended 31/08/2017
Dr John Mullen Ogden
born 09/1948 · England has significant influence or control Control ended 31/08/2017
John Alan William Hodgkinson
born 03/1937 · United Kingdom has significant influence or control Control ended 31/08/2017
Kathryn Leigh Bonanno Patrizzi
born 03/1956 · Usa has significant influence or control Control ended 31/08/2017
Miss Justine Lynda Carmody
born 07/1966 · United Kingdom has significant influence or control Control ended 31/08/2017 Controls 3 companies
Miss Kerry Honor Gregory
born 07/1979 · England has significant influence or control Control ended 31/08/2017 Controls 2 companies
Mr Nigel Brian Israel
born 04/1944 · England has significant influence or control Control ended 31/08/2017
Mr Paul Frank Greer
born 05/1968 · United Kingdom has significant influence or control Control ended 31/08/2017
Mr Richard Mark Slater
born 09/1964 · United Kingdom has significant influence or control Control ended 31/08/2017 Controls 2 companies
Mrs Mary Ann Burland
born 11/1945 · United Kingdom has significant influence or control Control ended 31/08/2017
Mrs Miranda Elizabeth Jane Wells
born 12/1971 · United Kingdom has significant influence or control Control ended 31/08/2017

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
31/08/2017 Person with significant control ceased Mrs Miranda Elizabeth Jane Wells
31/08/2017 Person with significant control ceased Mrs Mary Ann Burland
31/08/2017 Person with significant control ceased Mr Richard Mark Slater
31/08/2017 Person with significant control ceased Mr Paul Frank Greer
31/08/2017 Person with significant control ceased Mr Nigel Brian Israel
31/08/2017 Person with significant control ceased Miss Kerry Honor Gregory
31/08/2017 Person with significant control ceased Miss Justine Lynda Carmody
31/08/2017 Person with significant control ceased Kathryn Leigh Bonanno Patrizzi
31/08/2017 Person with significant control ceased John Alan William Hodgkinson
31/08/2017 Person with significant control ceased Dr John Mullen Ogden
31/08/2017 Person with significant control ceased Christopher Patrick Smith
06/04/2016 Person with significant control added Mrs Miranda Elizabeth Jane Wells
06/04/2016 Person with significant control added Mrs Mary Ann Burland
06/04/2016 Person with significant control added Mr Richard Mark Slater
06/04/2016 Person with significant control added Mr Paul Frank Greer
06/04/2016 Person with significant control added Mr Nigel Brian Israel
06/04/2016 Person with significant control added Miss Kerry Honor Gregory
06/04/2016 Person with significant control added Miss Justine Lynda Carmody
06/04/2016 Person with significant control added Kathryn Leigh Bonanno Patrizzi
06/04/2016 Person with significant control added John Alan William Hodgkinson

Documents for THE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN

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Company extract£1.99

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Financial statements£3.99

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Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

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Data protection register

Registered with the Information Commissioner's Office as a data protection fee payer.

The Gemmological Association of Great Britain — EC1N 6TD
Tier 1 · public authority · renews 01/06/2027
ICO entry

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.

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Frequently asked questions

What is the company number of THE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN?
According to the official registry, the company number of THE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN is 01945780.
Where is THE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN registered?
The registered office is 21 ELY PLACE, LONDON, EC1N 6TD, ENGLAND.
What is the SIC code of THE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN?
The nature of business is recorded under SIC code 94120 — Activities of professional membership organisations.
Who controls THE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN?
Christopher Patrick Smith is recorded as a person with significant control, and has significant influence or control.
When are the next accounts of THE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN due?
The next annual accounts are due by 30 September 2027, and the last accounts were made up to 31 December 2025.

About THE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN (01945780)

THE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN is a pri/ltd by guar/nsc (private, limited by guarantee, no share capital) incorporated on 10 September 1985 and registered in the United Kingdom under company number 01945780. Its registered office is at 21 ELY PLACE, LONDON, EC1N 6TD, ENGLAND. The recorded nature of business is activities of professional membership organisations (SIC 94120). The company is currently active , with statutory accounts last made up to 31 December 2025. , and the person with significant control is Christopher Patrick Smith. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

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