
A co-signer is a person. Grenty is Rent Protection. That one difference decides how fast you get an answer, who else gets dragged into your lease, and whether the words no US credit end the conversation.
The same screening you did not pass, applied to somebody else. A documented US income, a US credit file, a local address, and a signature that makes them liable for every month of your lease. Most of the people who would say yes cannot qualify either.
That is usually where the search ends. In a county where 54.5% of residents were born outside the United States, the person who would sign for you is often in Bogotá, Caracas or São Paulo — and a co-signer with no US credit file and no address here is not one a landlord can use. The willingness is real. The paperwork is not.
The market noticed the gap and put a price on it. Programs that step in for a co-signer commonly charge more when the applicant has no US credit history than when they do, and some ask for a responsible party abroad earning 50 times the monthly rent. A tariff on the passport, written down as a policy.
Because their file becomes the bottleneck. They have to gather documents, authorize a credit check and sign, often from another country and another time zone. Meanwhile the unit is still live. Miami runs at 19 applicants for every vacancy and the median unit is gone in 33 days, so a week spent waiting for a relative to scan a tax return is a week the apartment spends being taken by someone else.
And the cost of that week is not only the apartment. Each new application means another fee, commonly $100 to $150 per adult on the lease, and a condo adds the building's board — the condo board that screens the tenant separately from the landlord — which reviews on its own calendar. Every restart pays the toll again, with the same co-signer problem still unsolved underneath.
A co-signer lends you a credit history that is not yours. Rent Protection does something narrower and more useful: it puts documented backing behind the rent, so the file the landlord reads is still your own.

Sources: RentCafe (Miami rental competition and occupancy, 2025); U.S. Census Bureau, ACS 2020-24 (Miami-Dade demographics and rents); CFPB (credit invisibility).
| What matters | Traditional co-signer | Grenty |
|---|---|---|
| Time to an answer | Days or weeks. You wait for another person's documents, credit check and signature before your file even moves. | Minutes, not weeks. Your profile, your documents, your answer, tracked live in the portal. |
| Involving another person | Required. A relative or friend puts their credit, their income and their name on your lease. | Nobody. No favor to ask, no awkward conversation, no one else exposed if your plans change. |
| If you have no US credit | Usually the end of the road. A co-signer living abroad is rarely accepted, and one with no US score is no help at all. | Expected, not penalized. Passport, ITIN, foreign bank statements and income earned abroad are part of the file. |
| What the owner receives | A promise from someone they have never met and may never be able to reach when it matters. | Rent Protection behind the rent, from a company whose whole job is standing behind it. That is why the yes comes easier. |
A co-signer lends you someone else's credit. Rent Protection lets you stand on your own file.
Check before you ask. Before you spend a relationship on a favor, confirm the person has US income, US credit and a local address. Without those three, the yes was never going to work.
Read the price twice. Some programs charge close to a full month of rent, and charge more to applicants with no US history. Ask what the total is before you apply, not after.
Keep the file yours. Backing behind the rent does not remove your obligation and never buys an approval. It answers the landlord's weakest question with something they can verify.
You build the file so the question never has to be asked. That means documenting the income you actually earn, proving identity and history in a form a US landlord can verify, and putting backing behind the rent at the moment you apply.
Start with what you can show today. Passport and ITIN, bank statements from wherever the money lives, invoices or contracts if you work for yourself, a letter from an employer abroad, tax filings from your home country. None of it produces a FICO score, and that is fine — the score is one input, not the verdict. What it produces is a picture of capacity that a person can read and check.
It changes what the landlord is deciding on, not who decides. They still screen you, the building's board still votes on its own grounds where there is one, and no approval is ever promised. What changes is that the weakest line of your application arrives with an answer attached instead of a blank space, and it arrives at submission rather than three emails later.
And the cost is knowable in advance, which a favor never is. Rent Protection starts at $399, a single payment that covers the whole lease — never monthly — for rents up to $2,000 a month; above that the price varies with the rent. Who pays it is agreed case by case. Compare that with a month of rent charged for a signature, and with the fee you pay again on every application you have to restart.

No. A co-signer service still puts a human being on the hook and still measures them with the same credit tools that excluded you. Grenty backs the lease institutionally and reads your ability to pay directly.
Yes, and that never changes. The lease is yours and the obligation is yours. What changes is that the owner is no longer betting on a stranger, so a file that would have been rejected can be approved.
Probably, yes. Their process stays theirs, and most owners and managers still run the report they have always run. What changes is how much that report has to carry: it stops being the one thing standing between you and the apartment, and becomes one input among several.
No. It is not a loan and not a credit product, so there is nothing here to report, build or damage. Building a US credit file is a separate job: accounts in your own name that report to the bureaus, paid on time, for long enough to count. Worth starting the same month you move in.
The file comes back to you, and that is workable. Ask in writing which part failed — income, credit, residency — because that tells you whether the problem was ever yours to begin with. Most co-signers are declined for reasons about them, and a file that stands on its own never has to sit that exam.
No. The verification looks at you: your identity, your income, your history. Nobody else has to send bank statements, explain a salary or have their credit pulled so that you can rent an apartment. For plenty of people that privacy is the real reason to do it this way.
One conversation, no commitment and no paperwork. Tell us where your rental stands today and we will show you exactly what changes on your side of the table.
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