Credit improvement advice on the internet falls into two categories: vague platitudes ("pay your bills on time!") and outright scams promising a 200-point boost in 30 days. Neither helps you. What actually works is understanding exactly which factors move your score, which ones are in your control right now, and in what order to attack them.
This is that guide.
The Five Factors (And Their Real Weight)
Your FICO score — the version used by 90% of lenders — is calculated from five factors. Knowing their weight tells you where to focus:
The two factors you can move fastest — utilization and payment history — together account for 65% of your score. That's where the 60–90 day plan lives.
The Three Bureaus: A Critical Detail Most People Miss
Your "credit score" is actually three scores — one from Equifax, one from TransUnion, and one from Experian. Each bureau maintains its own report and calculates its own score. They're usually similar but can differ by 20–50 points, sometimes more.
Lenders often pull one or two of the three (mortgage lenders typically pull all three and use the middle score). When you're disputing errors or optimizing your report, you need to do it at all three bureaus separately. A fix at Experian doesn't automatically flow to TransUnion.
Start by pulling all three free reports at annualcreditreport.com — the only official free source mandated by federal law. Read every line. Look for:
- Accounts you didn't open (possible identity theft or reporting error)
- Late payments that were actually on time
- Accounts listed as open that you closed
- Wrong balances or credit limits
- Collections accounts you've already paid
- Duplicate accounts for the same debt
Error rates in credit reports are higher than most people assume. A 2021 Consumer Reports study found that 34% of people found at least one error in their credit report. Each error you remove can mean a meaningful score bump.
The Dispute Process: Step by Step
Filing disputes is free and has a 30-day response window mandated by the Fair Credit Reporting Act (FCRA). Here's the process:
- Document the error with specifics: account number, reported date, what's wrong, what the correct information is.
- File online at each bureau's dispute portal: Equifax.com/personal/credit-report-services, TransUnion.com/credit-disputes, Experian.com/consumer-services.
- Attach evidence where you have it: bank statements showing on-time payments, account closure confirmations, settlement letters.
- Note the date filed. The bureau has 30 days to investigate and respond. If they can't verify the information, they must remove it.
- Follow up if no response at day 30. Send a certified letter to the bureau's dispute department.
If the original creditor fails to respond to the bureau's verification request within 30 days, the disputed item must be deleted. This is why disputes on older collections and older negative items often succeed — the creditor may no longer have the records to verify.
Utilization: The Fastest Lever You Have
Utilization is the ratio of your total revolving balance to your total credit limit. A $1,000 balance on a $2,000 card = 50% utilization. That single number has an outsized effect on your score.
The general guidance is to stay under 30%. But data from FICO shows that people with 800+ scores typically have under 6% utilization. The target is as low as possible, ideally under 10%.
"Paying down a credit card from 80% to 10% utilization can add 40–80 points to your score within a single reporting cycle."
Two ways to improve utilization when you can't pay balances down immediately:
- Request a credit limit increase on existing cards. If your card limit goes from $2,000 to $4,000 and your balance stays at $800, your utilization drops from 40% to 20%. Most issuers allow a request every 6–12 months; it triggers a soft pull (no score impact).
- Time your payment before the statement date. Your utilization is reported when the statement closes — not when payment is due. Pay balances down before the statement date and the lower balance gets reported.
Hard vs. Soft Inquiries: What Hurts and What Doesn't
A hard inquiry occurs when a lender checks your credit to make a lending decision. It costs you 5–10 points and stays on your report for 2 years, though the score impact fades significantly after 12 months.
A soft inquiry — checking your own score, pre-approval checks, employer background checks — has zero impact on your score. Check your own score as often as you want.
The exception: rate shopping for a mortgage, auto loan, or student loan. FICO treats multiple hard pulls for the same loan type within a 14–45 day window as a single inquiry. If you're shopping rates, do it within that window.
Your 90-Day Action Plan
The Myths to Skip
"Credit repair companies can remove accurate negative items." No, they can't. Any company claiming to delete accurate, verified negative information is lying to you or using legally questionable methods. You can do everything a legitimate credit repair company does yourself, for free.
"Closing cards you don't use helps." The opposite is true. Closing a card reduces your total available credit (raising utilization) and can reduce your average account age. Keep old accounts open with a small recurring charge — a monthly streaming service, for example.
"Derogatory marks fall off after 7 years automatically." This one is true, but the impact diminishes significantly before the 7-year mark. A collection from 5 years ago matters much less than one from 2 years ago. Waiting is a valid strategy for very old items.
"Checking your credit score hurts it." Soft inquiries — including checking your own score — have zero impact. Check it monthly. Know where you stand at all times.