Stone Family Foundation

What Stone Family Foundation does

The Stone Family Foundation is a private UK charitable foundation registered in England and Wales (Charity Number 1164682), established in 2005 and headquartered at 130 Wood Street, London. It operates two core programmes: Water to the Home, which funds market-based solutions that bring safe water to households in Africa, Asia, and Central America, and UK Grant Giving, which funds charities working to improve mental health and life opportunities for disadvantaged young people in the United Kingdom. The Foundation describes its approach as long-term, evidence-led, and supportive of strong leaders and bold ideas capable of growing sustainably.

The Foundation does not sell commercial products or services and has no disclosed pricing or revenue model; its economic activity consists of distributing grant funding from family-sourced capital to selected organisations. Grantees and partners showcased on its public site include Rural Water Management Solutions (a Kenyan social enterprise established in 2019), Epicenter (working on pay-as-you-go solar and digitalisation for water service providers), and Babyzone (a UK child-development organisation). These relationships are characterised as mutual strategic partnerships.

Operationally, the Foundation is a small organisation of 1–10 employees, with dedicated programme teams for each pillar, trustee governance, and a website (stonefamilyfoundation.org.uk) serving as its primary channel for case studies, strategy, and grantee communications. It celebrated its 20th anniversary in 2025, having transitioned from an exploratory pilot portfolio to its current dual-strategy structure. The Foundation does not develop proprietary technology, has no API, no mobile app, and no disclosed AI/ML capability.

Name

Stone Family Foundation

Legal name

The Stone Family Foundation

Website

https://thesff.com

Company type

Private

Founded year

2005

Operating status

Operating

Headcount range

1–10 employees

Short description

Stone Family Foundation is a UK-registered charitable foundation (est. 2005) that funds market-based water solutions for households in Africa, Asia, and Central America, and grants to UK charities supporting disadvantaged young people's mental health and opportunities.

Ownership category

akta.pro rank

Product category

Philanthropic Grant Funding

NAICS

Grantmaking Foundations (813211), Grantmaking and Giving Services (81321), Grantmaking and Giving Services (8132)

akta.pro primary industry

Private Foundations (BPAGAKAA)

akta.pro secondary industries

Family Offices & Philanthropic Advisors (Grantmaking) (BPAGAKAD), International Grantmaking & Development Foundations (BPAGAKAH), Education Grantmaking Foundations (BPAGAKAK), Maternal, Child & Family Health Program Funding (HLAJALAG)

Keywords

• Philanthropic grant funding
• Charitable foundation
• Market-based water solutions
• Youth mental health grants
• Social enterprise funding

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Others

Distribution channels2 records

Marketing channels1 record

Core offering

The Stone Family Foundation is a private charitable foundation that provides grant funding through two core programs. Water to the Home funds market-based solutions bringing safe water to households in Africa, Asia, and Central America. UK Grant Giving provides funding to UK charities that improve mental health and opportunities for disadvantaged young people.

Product overview

Stone Family Foundation operates two core philanthropic programs: Water to the Home (market-based water solutions for households in Africa, Asia, and Central America) and UK Grant Giving (funding for charities supporting disadvantaged young people's mental health and opportunities). The foundation also showcases case studies of grantees and partner organizations including Rural Water Management Solutions, Babyzone, and Epicenter.

Differentiator

Problem solved

Functional benefit

Products and services

• Water to the Home A market-based solutions grant program bringing safe water to households in Africa, Asia, and Central America. It funds water service providers and social enterprises (e.g., Rural Water Management Solutions in Kenya) that deliver professional services and sustainable water access in rural and peri-urban areas.
• UK Grant Giving A grant funding program supporting UK-based charities that improve mental health and opportunities for disadvantaged young people. It funds organizations such as Babyzone, which delivers free, accessible, evidence-based development classes for parents and young children.

Named customers3 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Two partnerships are on record, tiered core.

• Rural Water Management SolutionscoreStrategic or Co-development Partner · 1 January 2019Established in 2019, Rural Water Management Solutions is a Kenyan social enterprise committed to transforming water access in Kenya's rural and peri-urban areas. The foundation partners with this organization to support professional services for rural water service providers.
• EpicentercoreStrategic or Co-development PartnerPartnership to understand what incentives are needed to bring PAYG solar, non-revenue water and digitalisation projects to water service providers (WSPs).

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Direct peers

• The Henry Smith Charity: UK grantmaking charity funding work that tackles disadvantage and supports marginalised communities. Comparable operating model as a UK-based grant distributor with structured funding programmes.
• Esmée Fairbairn Foundation: UK independent grantmaking foundation supporting social change, the environment, and the arts. Comparable in scale, structure, and willingness to back innovative, evidence-led approaches over multiple years.
• Paul Hamlyn Foundation: UK grantmaking foundation focused on youth opportunity and social justice, closely mirroring Stone Family Foundation's UK Grant Giving pillar on disadvantaged young people. Similar long-term, open-application grantmaking model.
• Gatsby Charitable Foundation: UK-based family-founded charitable foundation with a similarly focused, evidence-driven approach and comparable endowment scale. Operates across a small number of strategic program areas, much like Stone Family Foundation's dual strategy.

Broad incumbents

• Comic Relief: Major UK charitable grantmaker funding projects tackling poverty and social injustice domestically and internationally. Operates at much larger scale but shares the dual domestic/international portfolio model.
• The Children's Investment Fund Foundation (CIFF): One of the UK's largest foundations, with a global portfolio spanning child development, climate, and health. Operates a much larger water/sanitation portfolio internationally, making it a broader incumbent in the same funding category.
• Howard G. Buffett Foundation: Major US family foundation with a significant focus on water, agriculture, and food security in Africa and Central America — direct thematic overlap with Stone Family Foundation's Water to the Home portfolio.

Emerging players

• WaterAid: International NGO focused exclusively on safe water, sanitation and hygiene in emerging markets. Operates as a potential grantee or field collaborator rather than a grantmaking peer, but shares thematic overlap in market-based water delivery.

Market position

Strengths3 records

Weaknesses3 records

Competitive moat3 records

Key risks5 records

Key highlights5 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments2 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Stone Family Foundation