Police and other authorities visited nine workplaces on Friday.
Although no enforcement action was taken during visits to businesses, the police say that a person has been arrested on immigration charges. No closing order has been issued
During the visits, agents and other agencies involved met with business owners and workers to discuss concerns and provide advice on the safety and health of workers’ items.
The force says that more visits will be made in the coming weeks.
Detective Inspector Jenni Heggs said, “We are aware of recent media reports that factories in Leicester are continuing to operate despite a lockout period.
“We have worked with partners sharing information to make these visits, which we will continue to do in the future.
“We talked to business owners and workers, discussed health and safety issues and gave advice. This is to ensure the health and safety of the people who work in the city.
“We want to remind all companies to ensure that they respect labor laws and ensure the health and safety of their employees.”
The police were assisted by representatives from Leicester City Council, the National Crime Prevention Agency, the health and safety official, gangmasters and the Labor Abuse Authority, the immigration police , from the Leicestershire Fire and Rescue Service.
Employers can access assistance through the Health and Safety Executive website at HSE.gov.uk or by calling 0300 790 6787.
The lines are open Monday to Friday from 8:30 a.m. to 5 p.m.