Here is a selection of UK based hotels where you may be able to gain part-time employment to support your studies or a full-time position/ work placement between completing your course and your visa expiring. Please be aware that many of the graduate roles will only be open to those who have permission to work and live in the UK permanently.
Also see International Hotels for opportunities in the UK.
Best Western: https://www.bestwestern.com/about-us/careers/
Whitbread (includes Premier Inn. Costa Coffee, Beefeater, Table Tables, Taybarns) https://www.whitbread.co.uk/whitbread/careers.html
Apex Hotels (London and Scotland): https://www.apexhotels.co.uk/en/careers/current-vacancies/
Champneys (Spas): https://www.champneys.com/jobs/
Corus Hotels (Hotels in UK, only one in London, 2 in Malaysia): https://www.corushotels.com/current-vacancies
Hand Picked Hotels: https://www.handpickedhotels.co.uk/People–Careers/