watched some videos about "the casting couch" he does penetration testing, but its more internal than external....
I would say the guys I work for, as one of their Senior Consultants, but I don't want to break any kind of rule ... if any but would rather stay safe rather than be sorry
We've used Sapphire most recently, quite good reports at the end of it.
I've been out drinking with the portcullis guys, they are good fun.
Do you mind if I ask who they would be? I've been in the industry since 2003, and security since 98, so I know quite a few of the peeps out there apart as its a really close nit industry .. almost incestuous