finance company 
(also British finance house)
noun
A company concerned primarily with providing money, e.g. for hire-purchase transactions.The result of all this self-interest and tunnel vision: GM has effectively become a finance company that actually loses money making cars....
- The previous year, the three men hired a corporate finance house to find a buyer for the company.
- If you buy a car on hire purchase, your contract is with the finance company, not the retailer (they are usually separate companies).