Who are Oakbrook? Established in 2011, Oakbrook Finance (Oakbrook) is the parent company for Finio Loans. Oakbrook is authorised and regulated by the Financial Conduct Authority. Related articles Who are Finio Loans? Likely Loan customer - Why have I been sent to this website? How do I contact you? What should I do if I think I've been a victim of Fraud? What are your opening hours?