How to pick the right company for penetration testing?

[Andy Paton <aoyt78 () dsl pipex com>]

Hi Guys & Girls

I have a customer who would like to engage with a security partner for penetration testing service in the UK.

I'm in a position to recommend a company and would like to know, what credentials/information/references should I ask 
for from a company who offers such services.


Regards

AP

P.S. I don't mind obvious touting for business (I will only pick a UK company)




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