Disclosure and Barring Service
SAFERjobs (Safe Advice for Employment and Recruitment) is a non-profit, joint industry and law enforcement organisation set up by the Metropolitan Police in 2008.
It works to raise awareness of recruitment fraud and stop criminal activities carried out by fake employers.
SAFERjobs have published advice for job seekers who suspect that a request for a police check is fraudulent.
You can read more about this on their website and report any suspicious recruitment activity.