Further information on the UN Comtrade database is available in the Comtrade User Guide, in the International Trade Statistics Knowledgebase and in the UN Services Trade Knowledgebase.

Further detail on the methodologies used can be found in the official UN trade statistics methodology manuals for goods IMTS2010 and services MSITS2010.

Information on the data reported by each country, including availability and explanatory notes, is available for goods here and for services here.

Information on the work of the Department for International Trade can be found here.

Information on the work of the Department for Business, Energy & Industrial Strategy can be found here.