Reform made a formal complaint to Ofcom - which was thrown out.Reform UK has made an official complaint to the electoral commission. Any legal action will follow on from their response.
Try to think before you post.
They appear to have 'sent a letter' to the Electoral Commission. However, I cannot find any indication that the Electoral Commission have any jurisdiction to deal with this as a 'complaint', or with TV companies (not being a political party). Can you point me to the complaint and how it will be dealt with? https://www.electoralcommission.org.uk/about-us/our-role-and-responsibilities