If case is taking extraordinarily long, I normally recommend to contact local MP and explain your case.

They have direct phone numbers and emails to Home Office where they receive quicker responses.

I have dealt with such applications before and also helped companies assigned CoS. The list used to provide which recruitment websites were allowed to be used and I found that reed.com was across all jobs, so I always recommend recruiters to use reed.com. However I have previously used monster.co.uk...