Gig economy firms warned by UK government they may be operating illegally

Companies supplying freelance' workers contacted by minister over practices that could breach employment law

Gig economy companies supplying freelance" workers to shops, restaurants and warehouses may be operating illegally, the government has warned, after a series of Observer reports highlighting their use.

Justin Madders, the employment rights minister, last week wrote to YoungOnes and Temper, which provide thousands of purportedly self-employed workers to British businesses, to tell them their business practices could be breaching employment law and staffing agency regulations.