The CSA mentoring programme offers support to start up or existing CSA farms across the UK
"Our CSA mentoring programme is now open to applications from across the UK. It costs a subsidised fee of £25 for CSA Network UK members and £50 for non-members (the actual cost is around £350 so this is a great offer!) and we cover the cost of the mentors time and all travel expenses. You will get a day’s advice and a brief written report on the advice given.
Our mentors will mainly be from existing successful CSAs. Our mentors can either visit you or you can go to their farms if you prefer. We will try to match you up with the most suitable mentor based on location and type of CSA. The mentoring scheme is currently closed but is likely to re-open in June. You can still apply now by filling in the form below, but you may need to wait until June to hear whether you have been successful."
https://communitysupportedagriculture.org.uk/mentoring-2/