Guides · US Credit · Speed

How Fast US Credit Can Really Be Built

Last updated 22 July 2026
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Part of this timeline cannot be compressed by anyone. A score does not exist until a file has reported activity behind it, and that generally takes three to six months.

What can be compressed is everything around it. How long you wait to open the first account, whether that account is the right one, and whether the accounts after it are stacked in an order that helps rather than hurts.

That is where the months are actually won or lost.

On First Class Citizen's method, where the first card is opened in person on a Miami visit they organize, clients reach a 720 score in about four to six months.

Anyone promising a real score sooner than the reporting clock allows is selling the part that does not exist.

The fixed part

The clock nobody controls

A credit score is calculated from a credit file, and a file is a record of reported behaviour. Until a lender reports an account, and until that account has enough history attached, there is nothing to calculate.

In practice you need three to six months of reported activity before a score can be produced at all. Some versions of the FICO Score require up to six months before they will return a number.

This is the honest floor. No service shortens it, because no service controls it.

Treat any claim of a real score in weeks as a description of something else. Usually a file that already existed, or a number from a model that is not the one lenders will use on you.

Every month you do not start is a month the clock does not run.

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The part you control

Where the months are actually won

If the reporting clock is fixed, the only real lever is when it starts.

Most non-residents lose half a year before it begins. Waiting on the ITIN, then on a US bank account, then submitting remote card applications that get declined because a brand-new file gives an issuer nothing to underwrite.

Every one of those declines is a month that never counted. The wait at the front of that queue is the one worth shortening, which is what getting the number applied for straight away is for.

The second lever is sequencing. Applying for a lot of credit over a short period can appear to lenders as though you are dealing with financial setbacks, so a scattershot round of applications actively slows you down.

Keeping balances low and paying on time is the whole of what the file measures in the early months. The order of products, and the restraint between them, is most of the skill.

The method

What four to six months looks like in practice

First Class Citizen's method attacks the start of the clock rather than the clock itself.

The first card is opened in person, on a Miami visit they organize, one to two days on the ground, with the banks they work with for ITIN applicants: Bank of America, Wells Fargo, Chase, Capital One, and Citibank.

The card is usually in hand within three to seven business days, so the reporting history begins in days rather than after another round of remote declines. On their method, clients reach a 720 score in about four to six months.

The engagement is advisory throughout. You open and hold every account, and they do not access client bank accounts.

What you are buying is the removal of the dead months, not a shortcut through the bureaus.

The routes side by side are compared in the ways to build US credit, and the card mechanics in US credit cards with an ITIN.

The proof

Scores that climbed on the clock

Antonio Leao
Client
"You have the record for the fastest ITIN we have ever processed. We did it in 37 days."
Davide Vignoli
Client
"My ITIN was delivered in 1 month and 2 weeks. Really happy with the process and I am gearing up for my trip to Miami now."
Thor M.
Client
"Got my ITIN within 6 weeks thanks to you and the whole team. I just filled out a form and waited and it came to my mail."
Chris M.
Client
"I got the ITIN as promised, FASTER than I was promised. I got the corporation and everything is done, and whenever I have a question I get my answers right away."
Michael Niziolek
Client
"Got my ITIN in 40-50 days and now I have 2 credit cards already. The experience has been amazing with hands-on support from the team."
Andrew Menechian
Client
"The LLC is fine, the EIN was fine, the ITIN's all good, got the bank accounts remotely, so everything went pretty good."
Neil Ateem
Client
"The process was super quick and easy. Whoever is behind the scenes in your team, they are on it, very communicative."
Povilas
Client
"I have a company in Lithuania doing $5-6m in ad spend through my debit card. I didn't know AMEX existed until I met Miquel and he explained how I was leaving money on the table."
Client reports five of five credit limit increases approved through the card apps, the largest two at 9,000 dollars eachChase approval email for an Ink Business Preferred card at a 5,000 dollar limit, opened on a fresh ITINClient tells the team the Chase bank account is open and the card received, shown in the Chase appClient opens Capital One and Bank of America on day one; the team confirms both and lines up Chase nextClient's written testimonial: six personal and business bank accounts opened with Chase, Bank of America and Citibank in one weekClient reports an American Express Platinum approval in Germany within two days, using a US address and Global Card TransferClient thanks the team after the Miami trip for the help with the US bank cardsClient reports after the Miami trip: the Atmos card arrived, new bank accounts for the corporation, and a Florida driving licenceClient opens a Bank of America account while resident in Greece, then moves on to Citibank for the second accountClient's Chase appointment done: account, debit card and credit card all approved, heading to the second appointmentClient confirms the Bank of America travel rewards credit card came through

Real client wins, straight from the Hall of Wins.

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The series

The US credit series

00
Build US credit from scratch as a non-resident
Read it
01
US credit cards with an ITIN
Read it
02
Build a US credit score fast as a founder
You are here
03
Best US credit building services, compared
Read it
04
From zero to travel points
Read it
05
US credit for US LLC owners abroad
Read it
06
A US credit card without an SSN or an ITIN
Read it
07
What a US credit score actually is
Read it
08
Secured credit cards with an ITIN number
Read it
09
Bank of America with an ITIN
Read it
10
Chase with an ITIN
Read it
Tools
  1. Find your routeTell it what you are trying to do and it maps the guides to read in order.
  2. ITIN document checklistPick your situation, get the exact list the IRS accepts.
  3. What it costsPublished prices and timelines, service by service.
  4. US credit calculatorWhat your spend returns at the rates issuers publish today.

FAQ

How fast can you build a US credit score from nothing?
You generally need three to six months of reported activity before a score can be calculated at all, and some versions of the FICO Score require up to six months of account activity. On First Class Citizen's method, clients reach a 720 score in about four to six months from the point the first card is opened.
Can anyone build a score faster than that?
Not the reporting itself. The bureaus set that clock and no provider controls it. What can be shortened is everything before it: the wait for the ITIN, the wait for a first approval, and the months lost to declined remote applications.
What is the single biggest cause of a slow start?
A declined first application. A brand-new file gives an issuer nothing to underwrite, so remote applications tend to fail, and each failed attempt is a month the clock did not run. Opening the first card in person is what removes that loop.
Does applying to several banks at once speed things up?
No, it works against you. Applying for a lot of credit over a short period can appear to lenders as though you are dealing with financial setbacks. Sequencing carefully is faster than applying widely.
Do I need an ITIN before the clock can start?
Yes. The credit file is compiled on the ITIN, so the number comes first and runs on its own timeline. The complete ITIN guide covers that step end to end.
Is 720 in four to six months a guarantee?
No. It is the result First Class Citizen states for their method, and it is worth planning around, but a credit file is built from your own reported behaviour and no outcome can be promised in advance. Paying on time and keeping balances low against the limit is what the file measures.

Start the clock this quarter

The assessment call is direct about which months are fixed, which are yours to win, and what the Miami visit actually involves. Free, qualified, and worth thirty minutes before you lose another quarter.

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Miquel Gironès, Founder and CEO of The First Class Citizen
Expert review: Miquel Gironès
Founder & CEO, The First Class Citizen