06 Frontline Collections is an FCA regulated

https://iris-wiki.win/index.php/Why_Choose_an_FCA_Regulated_Debt_Collection_Agency_in_London

Frontline Collections is an FCA regulated debt collection agency in London recovering rent arrears, personal loans and business debts. Free assessment, no upfront cost. Based at 2nd Floor, 1-5 Clerkenwell Rd