You might think that, the UK certainly doesn't:
[Commonwealth trade negotiators being seconded to Britain to help train civil servants ahead of Brexit ]
http://www.telegraph.co.uk/news/2017/02/25/commonwealth-trade-negotiators-seconded-britain-help-train-civil/

 UK turns to Canada for advice on striking post-Brexit trade deals with EU

Canadian minister in talks about how it secured Ceta trade deal with Brussels, which took seven years to finalise
https://www.theguardian.com/politics/2016/jul/15/uk-canada-advice-post-brexit-trade-deals-eu-ceta

Ah yes, those UK Conservatives just love "Hippies".