One Plus One Marriage And Partnership Research
Also known as: One Plus One
One Plus One puts research into practice. We investigate what makes relationships work or fall apart and make the findings accessible through publications, web services, training and resources, to everyone interested in strengthening and supporting couple and family relationships.
Activities & Mission
One Plus One puts research into practice. We investigate what makes relationships work or fall apart and make the findings accessible through publications, web services, training and resources, to everyone interested in strengthening and supporting couple and family relationships.
Areas of Operation
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
Latest Financial Breakdown
Income Sources
Expenditure Categories
Financial Trend
Annual Returns
As filed with the Charity Commission for England and Wales. Most recent filing covers the financial year ending 2025.
| Financial Year | Income | Expenditure | Charitable Spending | Net Assets | Reserves | Staff |
|---|---|---|---|---|---|---|
| 2025 | £1,127,073 | £916,802 | £914,093 | £973,139 | £836,905 | 18 / 0 |
| 2024 | £1,298,496 | £961,401 | £940,746 | £762,868 | £616,971 | 19 / 0 |
| 2023 | £744,010 | £590,577 | £578,539 | £425,773 | £415,902 | 12 / 0 |
| 2022 | £602,155 | £591,792 | £505,684 | £272,341 | £261,050 | 10 / 0 |
| 2021 | £532,304 | £577,810 | £558,576 | £261,976 | £252,105 | 10 / 0 |
Staff column shows: Employees / Volunteers
Frequently asked questions about One Plus One Marriage And Partnership Research
What does One Plus One Marriage And Partnership Research do?
One Plus One puts research into practice. We investigate what makes relationships work or fall apart and make the findings accessible through publications, web services, training and resources, to everyone interested in strengthening and supporting couple and family relationships.
How much income did One Plus One Marriage And Partnership Research report in 2025?
One Plus One Marriage And Partnership Research reported total income of £1.13m and reported expenditure of £917k for the financial year ending 2025, based on the most recent annual return filed with the Charity Commission.
When was One Plus One Marriage And Partnership Research registered as a charity?
One Plus One Marriage And Partnership Research was registered with the Charity Commission for England and Wales on 13 August 2001 as charity number 1087994. It has been registered for 25 years.
Who runs One Plus One Marriage And Partnership Research?
One Plus One Marriage And Partnership Research is governed by a board of 7 trustees. The chair of trustees is Jonathan Richard Marston Slater. Trustees are legally responsible for the charity's governance and are listed in full on its profile.
Where does One Plus One Marriage And Partnership Research operate?
One Plus One Marriage And Partnership Research operates in England And Wales, as recorded in its Charity Commission filing.
Is One Plus One Marriage And Partnership Research a registered charity?
Yes — One Plus One Marriage And Partnership Research is a registered charity in England and Wales, charity number 1087994.
Details
6th Floor
2 London Wall Place
London
EC2Y 5AU
Registry Information
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Also Known As
- One Plus One
Data & trust
- Register data refreshed
- 30 July 2026
- Methodology
- How metrics are calculated