Britain's withdrawal from the EU has posed problems for British seafood exporters.

One of them is Graham Flanning who tells how he now drowns in paperwork with every delivery.

- For the past 15-20 years, we have only used one document.

Now we need eight different documents for each shipment, says Graham Flannigan, co-owner of The Berwick Shellfish Co.

Hear Flanning tell more in the clip above.