Two hundred UK companies sign up for permanent four-day working week

More than 5,000 workers to benefit from reduced hours with no loss of pay

Two hundred UK companies have signed up for a permanent four-day working week for all their employees with no loss of pay, in the latest landmark in the campaign to reinvent Britain's working week.

Together the companies employ more than 5,000 people, with charities, marketing and technology firms among the best-represented, according to the latest update from the 4 Day Week Foundation.