It wasn't part of the official Vote Leave campaign but it inspired many of the policies on which the campaign was based. (theconversation.com)
Instead, it looks increasingly likely that Vote Leave will become the group to lead the official Leave campaign. (blog.politics.ox.ac.uk)
The company received # 3.5 M from leave campaign groups in the run up to the 2016 referendum, and has been described by leave campaigners as instrumental in securing their win. (techcrunch.com)