Membership II — SUPPORT

Join ACF

Become a member of the UK's leading association for foundations and grant-makers.

Membership fees are tiered by foundation size and income — there is a place for foundations of every scale in ACF's network.

Toynbee Hall, 28 Commercial Street, London E1 6LS

Why join

A seat at the centre of UK philanthropy

ACF is the leading membership association for foundations and independent grant-makers in the UK. Members access specialist networks, learning events, research resources, and collaborative initiatives designed to enhance their grant-making effectiveness and impact.

Founded on principles of diversity, vibrancy, and collective action for social good, ACF has established itself as the central hub for UK philanthropy — supporting thousands of foundations through member networks, specialist working groups, learning seminars, and evidence-based research.

We strengthen trusts and foundations so they can rise to the challenges of our times.

— Association of Charitable Foundations

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Explore membership

Learn about membership benefits and fee structures for foundations of all sizes.

Contact the team

Speak with ACF about the right membership tier for your foundation.

Become a member

Join hundreds of UK foundations in ACF's collaborative network and gain access to all member benefits.

What membership stands for

Collaboration

Bringing foundations together across networks and collaboratives to share learning, coordinate action, and amplify collective impact.

Effectiveness

Equipping foundations with rigorous research, practical resources, and development opportunities to strengthen their grant-making and social outcomes.

Diversity

Supporting a vibrant ecosystem of foundations of all sizes and focus areas, united in commitment to social good.

Our community

See the foundations transforming UK philanthropy through ACF membership

Tell us where your foundation is right now, and we'll point you to the right next step — from exploring membership through to joining ACF's collaborative network.

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ACF membership fees are tiered based on foundation size and income. Contact the membership team for a bespoke proposal.

Thank you

Welcome to ACF — stronger foundations, better outcomes.

Whichever step you take first — exploring the fee structure, speaking with the membership team, or joining outright — you'll be joining a collaborative network of UK foundations working, together, for social good.