In a letter to UK Prime Minister, Boris Johnson, the British Chamber of Commerce (BCC) president, Baroness Ruby McGregor-Smith, has said businesses face “the most difficult trading conditions in post-war history” and set out a series of measures to help government take a “sharper approach” to restarting the UK economy.

The letter from the influential business group follows recent research from the BCC which points to sustained economic difficulties with almost a third of businesses expected to make redundancies in the next three months. 

The letter warned that “if the government wishes to avoid mass unemp...