When you need to find funding for your film. There is many ways that you can get funding, like here https://mediamorehouse.files.wordpress.com/2015/09/wearefilm-uk-screenshot.png. This web site links lots of websites where you can get funding. The biggest public funding in the UK is the BFI the way it’s funded is but the lottery. There is lot of option like show here. You need funding to get are film off the ground. That we you need to use company like the BFI but most of the company used are available in there UK.