Most of the UK companies that took part in the world’s biggest ever four-day working week trial have made the policy permanent, research shows.Of the 61 organisations that took part in a six-month UK pilot in 2022, 54 (89%) are still operating the policy a year later, and 31 (51%) have made the change permanent.More than half (55%) of project managers and CEOs said a four-day week – in which staff worked 100% of their output in 80% of their time – had a positive impact on their organisation, the...