Become a CSO Member

To join the CSO, please complete and submit the form below. Any accompanying documents should be sent via email to

* indicates a required field

Your Organisation

The information you add in this section will be viewable on the CSO website.

Nearest City

District or Borough Help?

Registered Charity Number Help?

Company Registration Number Help?

Your Contact Details

The information you add in this section will not be published on the CSO website, and will only be used so we can contact you directly in connection with your CSO membership application.

Help & Advice

We categorise organisations to make it easier for community members to get the help and advice they need. Please choose any areas that are applicable.

Other Information

To help us understand your capabilities and requirements, please let us know the following:

Who does your organisation help?

What services does your organisation provide?

Please indicate which area of support your organisation needs