One has to ask why you do not approach your trade-organisation (IALPA / BALPA/ other?)
What? you didn't think it was worth the fees?
WAKEY WAKEY....All you Aircrew who don't join a professional body and pay your dues....It's OK to say "they'll do the job, with or without my few quid"...but that's not how it works! It's unfair and immoral to sponge off the backs of your colleagues who DO pay their dues.
To the OP...Ignire the bullying letters, Court documents are the only ones to worry about and it's highly unlikely" they" want the spotlight turned in the direction of these somewhat dubious "contracting" practises.