Company Overview. Quicken Loans is Americaâs largest online mortgage lender. With more than 28 years of experience, they provide world-class client service, and it shows â 94% of clients say they would recommend them.uicken paid all closing cost and fees, other than the $3.02 which was applied to escrow from the initial $400.00 security deposit. Our payment is now $300.00 per month lower and we only owe the escrow amount more than we did with our other lender.