Who to avoid in an industry
Construction subcontracting
Subbies keep private lists of builders who dispute the final claim as routine. The client just sees that he can't get a decent sparky and never learns why.
Three deregistered companies behind one director on the ASIC register, plus the licence history on the Fair Trading site. Nine minutes of checking, completely open, and gated only by knowing to look.
The question is 'would you take their next job', not 'have you worked with them'. The pause before the answer is the answer.