The government has agreed contracts worth £104m for outside help on Brexit, according to analysis for the BBC.
Since the EU referendum, Whitehall has hired companies to do consultancy work to prepare for the UK’s EU exit.
Companies with the most valuable Brexit contracts include Boston Consulting Group, PWC and Deloitte, according to analysis firm Tussell.
Departments drawing on the advice of external specialists was “standard”, a government spokesman said.
Six companies each received a contract worth £10m