OpenCharities

The Gemmological Association of Great Britain

The Gemmological Association And Gem Testing Laboratory Of Great Britain, Gem-A

Country
England & Wales
Charity number
1109555
Status
Registered
Reporting
Up to date Last filed July 28, 2026. Filing history
Registered
May 19, 2005
Legal form
Charitable company
Company number
01945780

Address

Address
21 Ely Place
London
EC1N 6TD

Contact

Phone
020 7404 3334
Email
information@gem-a.com
Website
gem-a.com
Screenshot of the The Gemmological Association of Great Britain website

Activities

Providing gemmological education and information, and providing Gemmological Association membership services.

Objects: To Advance The Art And Science Of Gemmology In Particular By Education And Training.

Classification

How
Provides Services, Provides Advocacy/advice/information, Sponsors Or Undertakes Research
What
Education/training, Arts/culture/heritage/science
Who
The General Public/mankind

Geography

Area of benefit
Not Defined. In Practice. Worldwide.
Country
Australia, Bahrain, Burma, Canada, China, El Salvador, France, Greece, Hong Kong, India, Israel, Italy, Japan, Lithuania, Madagascar, Netherlands, Philippines, Scotland, Singapore, South Africa, Sri Lanka, Sweden, Switzerland, Taiwan, Thailand, United States

Finances

Period end Filed Income Expenditure Assets Employees
Dec. 31, 2025 July 28, 2026On time £3,320,137 £3,008,415 £2,927,602 22
Dec. 31, 2024 Aug. 1, 2025On time £3,205,982 £3,182,458 £2,615,880 18
Dec. 31, 2023 Oct. 4, 2024On time £3,178,194 £3,274,425 £2,592,356 18
Dec. 31, 2022 Sept. 25, 2023On time £2,987,749 £2,804,153 £2,688,587 18
Dec. 31, 2021 Sept. 22, 2022On time £2,806,596 £2,627,133 £2,470,991 19
Dec. 31, 2020 Dec. 9, 2021 £2,803,396 £2,923,604 £2,291,528 24

Trustees

Name Appointed
Alistair McCallum Nov. 25, 2024
Joanna Hardy Sept. 27, 2017
Katie McKenzie Flitcroft Oct. 26, 2022
Marguerite Ann Campbell Pedersen Oct. 26, 2022
Nevin Bayoumi - Stefanovic Jan. 9, 2019
Philip Sadler July 27, 2017
Pia Pompea Tonna Oct. 26, 2022