Membership
As an alliance, Sustain literally is its membership. Membership is open to national organisations which do not distribute profits to private shareholders and which therefore operate in the public interest. The organisations must be wholly or partly interested in food or farming issues and support the general aims and work of the alliance. Support for particular projects or campaigns is on an "opt in" basis, so membership of Sustain does not mean that an organisation gives its backing to each Sustain initiative.
Registered charity (no.