What is the best way to increase your FICO score? If you have a parent, son or daughter, ask them to add you as an authorized user on a credit card account they have had open for a long time. The card should also have a low balance compared to the available credit. Your score will increase. When the card arrives, give it back to them and ask them to destroy it.
Another way is to dispute every negative item on your report. Once the credit reporting agencies contact your creditors to verify the negative item, the creditor only has thirty days to respond. If they do not respond in time, the item will come off your credit report. If this sounds like a lot of work, it is. But it's free and chances are that at least fifty percent of the creditors will not respond in time. Those are quick hitters.
Installment loans that are paid off have a great effect on your credit score. See if you can get a small, short-term installment loan and pay it off as agreed. You can often accomplish this with some banks and credit unions by depositing the amount that you borrow. After the loan is paid back, you can withdraw your deposit.