Innovative philanthropy in action
The Stone Family Foundation backs bold ideas with the potential to transform lives at scale. Funding market-driven water solutions internationally and charities improving young people’s lives in the UK.
Water to the Home
Market-based solutions bringing safe water to households in Africa, Asia and Central America.
UK Grant Giving
Funding charities that improve mental health and opportunities for disadvantaged young people.
Our mission
Discover the Stone Family Foundation
Since 2005, the Foundation has taken a long-term, thoughtful approach to philanthropy — backing strong leaders, bold ideas and models that can grow sustainably.
Our story
20 years of learning
2025 marked our 20th anniversary. From an exploratory pilot portfolio to today’s dual strategy, we’ve always been guided by curiosity, evidence and long-term commitment.
Case studies
Our case studies show how strategies work on the ground both in the UK and Internationally.
Water to the Home
Professional services for rural water service providers
Established in 2019, Rural Water Management Solutions is a Kenyan social enterprise committed to transforming water access in Kenya’s rural and peri-urban areas.
UK Grant Giving
Babyzone
Babyzone provides free, accessible, evidence-based development classes for parents and young children.
Water to the Home
Pay-as-you-go (PAYG) solar for water service providers
We are partnering with Epicenter to understand what incentives are needed to bring PAYG solar, non-revenue water and digitalisation projects to WSPs.