Another make for which we should do some research is MG. New MG models are listed with origin China, but brand owner SAIC has got an R&D centre in Birmingham, where models like MG 3, MG 6 and Roewe 550/MG 550 are credited to have been engineered.
The centre has been operative at least until 2019, then it has been 'downsized', but I don't know which their tasks are nowadays. Their website is no longer active, but it was archived in archive.org: https://web.archive.org/web/20160303224235/http://www.saicmotor.co.uk/