Germany is consistently in the top 3 countries in the world that trade goods with the UK (The USA also appears consistently in the top 3).
More than 10% of the monthly goods imported to the UK are from Germany and more than 10% of good exported from the UK go to Germany.
In the 8 months (Jan – Aug 2020), the UK shows a trade deficit with Germany totalling £13.1 bn. (£13,100 million) i.e. Germany sends more goods to the UK than it receives from the UK.