Grappling Arts Association
I don't know if this has been mentioned here before but it seems that these guys have had to close shop. At least that's what it says on the link.
I'm not sure how many people it affects.
Also, if someone wanted to do a course to become a comp-referee in BJJ, what's the best starting point?
The Part Time Grappler - Just Google BJJ / Grappling Tips and you'll find me