Audit of pentesting web site. Who used?

Good day tosterone and tolertance. The challenge is to find a company that would be able to conduct a quality audit on the security of the website. Googling, I saw that many of these companies, and opinions do not really found. Who used these services and who would you recommend?
PS I myself am certainly not armless, and its audit has been conducted, but need to find a company whose services you have enjoyed.
p. S. S. the site itself on codeignaiter 3 is built on the principle xmvc
June 10th 19 at 16:07
1 answer
June 10th 19 at 16:09
Solution
On habré there is a section Safety
The majority of authors from the top of doing this or can recommend someone

If you need a specific spec, I would advise https://habrahabr.ru/users/BeLove/

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