If you graduate from London Medical College, your degree will be granted by IUHS. Same as St. Chris, they have a campus in Luton, but your diploma comes from Senegal, M.C.L. will come from U.S.A.T.(MONTSERRAT), KIGEZI from Uganda, and another one, I think is London College of Medicine , which in fact is COMHS, St. Lucia.
It is an alphabet soup, like the boxing organizations, you don't know who controls what.
The British GMC has already issued an opinion about these "satellite" campuses. Check it out.
Do not let the label mislead you, it is bad marketing.