The Secchi Disk Foundation
Also known as: Sdf
To promote the conservation of the marine environment worldwide for the public benefit by engaging the public in scientific study and to facilitate research of marine plankton and the food chain in order to advance collective knowledge and understanding of the marine ecosystem and to maintain biodiversity for the public good.
Activities & Mission
To promote the conservation of the marine environment worldwide for the public benefit by engaging the public in scientific study and to facilitate research of marine plankton and the food chain in order to advance collective knowledge and understanding of the marine ecosystem and to maintain biodiversity for the public good.
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Where this charity is registered to operate, as self-declared to the Charity Commission. These are regulatory classifications, not a list of active programmes, and don't necessarily indicate fundraising activity in each location.
Region
Financial Information
Financial Efficiency
Financial Trend
Annual Returns
As filed with the Charity Commission for England and Wales. Most recent filing covers the financial year ending 2026.
One or more years show a significant change in income (over ±100%) compared with the prior year. This usually reflects a merger, transfer of activities, restated accounts, or a one-off legacy — not necessarily a real change in operating scale. See the methodology for context.
| Financial Year | Income | Expenditure | Charitable Spending | Net Assets | Reserves | Staff |
|---|---|---|---|---|---|---|
| 2026 | £5,636 | £5,305 | 0 / 1 | |||
| 2025 | £205 | £2,737 | 0 / 1000 | |||
| 2024 | £3,131 | £2,909 | 0 / 1 | |||
| 2023 | £57 | £6,417 | 0 / 1 | |||
| 2022 | £7,071 | £2,477 | 0 / 1 |
Staff column shows: Employees / Volunteers
Frequently asked questions about The Secchi Disk Foundation
What does The Secchi Disk Foundation do?
To promote the conservation of the marine environment worldwide for the public benefit by engaging the public in scientific study and to facilitate research of marine plankton and the food chain in order to advance collective knowledge and understanding of the marine ecosystem and to maintain biodiversity for the public good.
How much income did The Secchi Disk Foundation report in 2026?
The Secchi Disk Foundation reported total income of £6k and reported expenditure of £5k for the financial year ending 2026, based on the most recent annual return filed with the Charity Commission.
When was The Secchi Disk Foundation registered as a charity?
The Secchi Disk Foundation was registered with the Charity Commission for England and Wales on 28 September 2016 as charity number 1169399. It has been registered for 10 years.
Who runs The Secchi Disk Foundation?
The Secchi Disk Foundation is governed by a board of 3 trustees. The chair of trustees is PROF PAUL JB HART. Trustees are legally responsible for the charity's governance and are listed in full on its profile.
Where does The Secchi Disk Foundation operate?
The Secchi Disk Foundation operates in England And Wales, as recorded in its Charity Commission filing.
Is The Secchi Disk Foundation a registered charity?
Yes — The Secchi Disk Foundation is a registered charity in England and Wales, charity number 1169399.
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Registry Information
Trustees
Also Known As
- Sdf
Data & trust
- Register data refreshed
- 26 October 2026
- Methodology
- How metrics are calculated