Exiting the European Union and Global Trade

The Secretary of State talks about the interdependent global world. The British Ports Association warned that a hard Brexit could hurt small and medium ports, which rely on short sea trade. Its members, including Forth Ports in my constituency, are very worried about the hurdles of new customs requirements and costly tariff regimes. Given that 95% of international trade by tonnage goes through our ports, what action is being taken to address those concerns and ensure that Brexit will not damage vital industries trading through them?