Hey mate, and welcome.
There currently is one club or team in London, 1CSSR (1 Canadian Selous Scout Regiment)
<- That's us.
And you come at a good time, we're looking for new guys (I guess you could say we are always looking for new guys but we're specifically doing so now)
There is an event on the 11th of Jan in Kitchener few of us are attending (it's on the last page of the link I gave you)
PM me if you have any questions, I'm usually around and willing to help anyone