Sported is the UK's leading sporting legacy charity of the London 2012 Olympic and Paralympic Games.

They are a FREE membership organisation which provides support to community and grassroots organisations that deliver 'Sport for Development'.

Benefits include:

Advice from skilled volunteers
Funding resources, including monthly regional funding bulletins
Access to the online member area where you can take advantage of deals with sported partners such as Sainsbury's Active Kids; RunaClub; Aviva Community Fund 
Impact measurement, monitoring and evalution support
Other help -  regular newsletters.telephone support 

http://sported.org.uk/become-a-member/