Mourinho was acquired by the club which is owned by the ENIC Group.
ENIC Group (formerly English National Investment Company) is a British investment company, focused on the sports and media sectors. ENIC is owned by Joe Lewis (through Tavistock Group) and Daniel Levy.
ENIC's Bahamas-registered subsidiary, ENIC International Limited, currently holds 85.55% of the total issued share capital of English Premier League club, Tottenham Hotspur. Levy and his family own 29.4% of the share capital of ENIC International Limited, while Lewis owns 70.6%.
There's B I G money in football.
Mourinho will collect £15m. Note the offshore registration of Messrs Lewis and Levy's holding company.