06 Frontline Collections is an FCA regulated

https://andresqvoy862.stonefielddigest.com/posts/when-to-escalate-an-unpaid-invoice-to-a-debt-collection-agency

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