There is a tool on the gov.uk website which will give you guidance on what your business may need to do to prepare for the UK leaving the EU.
This covers selling goods, employing EU citizens, personal data, intellectual property protection, EU or UK government funding and selling to the public sector.
East Midlands Chamber of Trade have a comprehensive support programme to assist businesses to ensure they are better prepared for the changes following the EU exit.
An online self-assessment toolkit www.scrgrowthhub.co.uk/brexit has been developed for small businesses to help prepare for Brexit. Six business areas are covered including Business Planning & Strategy, Innovation, Sales & Marketing, Export, People & Skills, and Finance. Upon completion, you will receive a personalised report, which will make some recommendations together with suggestions for useful tools and information.