Registered charity · London
The Gemmological Association of Great Britain
- 7 trustees
- Income £3.3m (2025)
Official record Charity Commission · updated 20th September 2026 · Sources
Who leads it
Current trustees as listed by the Charity Commission, which does not publish previous trustees.
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About
- What it does
- Education/training, Arts/culture/heritage/science
- Where
- Australia, Bahrain, Canada, China and more
- Website
- www.gem-a.com (opens in a new tab)
- Linked company
- The Gemmological Association of Great Britain
- Registered
- 2005
Income and spending
- YearIncomeSpending
- 2025£3.3m£3.0m
- 2024£3.2m£3.2m
- 2023£3.2m£3.3m
Earlier years
- 2022£3.0m£2.8m
- 2021£2.8m£2.6m
Charitable objects
TO ADVANCE THE ART AND SCIENCE OF GEMMOLOGY IN PARTICULAR BY EDUCATION AND TRAINING.
Board analysis for researchers
Board DNA
How this board is put together, from Charity Commission trustee records and Companies House - deterministic, no AI.iBoard compositionCounted from the dated Charity Commission trustee register: the current board only, past trustees excluded.
7 trustees on the board
- Alistair Mccallum since 2024
- Joanna Hardy since 2017
- Katie Mckenzie Flitcroft since 2022
- Marguerite Ann Campbell Pedersen since 2022
- Nevin Bayoumi - Stefanovic since 2019
- Philip Sadler since 2017
- Pia Pompea Tonna since 2022
Trustees past 6 years
- Joanna Hardy since 2017
- Nevin Bayoumi - Stefanovic since 2019
- Philip Sadler since 2017
First-time vs portfolio trustees
First-time (7)
- Alistair Mccallum since 2024
- Joanna Hardy since 2017
- Katie Mckenzie Flitcroft since 2022
- Marguerite Ann Campbell Pedersen since 2022
- Nevin Bayoumi - Stefanovic since 2019
- Philip Sadler since 2017
- Pia Pompea Tonna since 2022
Sector coverage iSector coverageThe charitable fields this board's trustees govern in elsewhere, by Charity Commission classification. Excludes this charity.
Commercial experience iCommercial experienceThe industries this board's members are company directors in, by Companies House SIC code. Excludes this organisation's own company.
Gaps to watch
- Narrow spread of causes across the board
Succession forecast iSuccession forecastThe number of board seats likely to open in the next twelve months - summed across the board from each dated trustee’s tenure - and the profile worth recruiting next. From the filed record, deterministic.
Health of the organisation facts side by side - the conclusion is yours
9.9 months of spending held in free reserves · median for charities its size: 3.9 months
Sources
Official record from the Charity Commission register for England and Wales. Governance Register calculates the connections.
Record details
- Registered charity number
- 1109555
- Status
- Registered
- Governing document
- MEMORANDUM AND ARTICLES OF ASSOCIATION INCORPORATED 10 SEPTEMBER 1985 AS AMENDED BY SPECIAL RESOLUTIONS DATED 14 JANUARY 1986, 4 SEPTEMBER 1990, 17 OCTOBER 1990, AND 20 APRIL 2005. as amended on 28 Jun 2007
- Companies House
- Company number 01945780 · Active
- Contact on the register
- 02074043334 · information@gem-a.com
- Edition
- Register edition compiled 20th September 2026
- Labels
- Official record from the register · Calculated derived by Governance Register. Anything added by an organisation or person is labelled as provided by them.
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