sumsub.com

1.7
1.7 Based on 201 reviews

Sumsub is a leading full-cycle verification platform that enables scalable compliance. From identity and business verification to ongoing monitoring, it adapts to your risk appetite and market demands....

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Average Rating

1.7

/
5

201 Reviews

5 Star
15%
4 Star
2%
3 Star
0%
2 Star
2%
1 Star
80%

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Carrie Harlow
Sumsub sufferer

I have been verified at many other places, but everything since the first time with sumsub, and my account being created with my name spelled incorrectly which was their mistake, even after they corrected it, I am getting sorry we cant verify you error. I am completely legal and valid. I dint understand this at all. I've lost $75 at a place i won money at because I couldn't get verified.

1
Date of experience: Sep 12, 2025
Ashutosh Mishra
KYC Rejected

As an Indian customer, my KYC gets rejected no matter what company I apply for. These guys have been rejecting Indian users KYC for long and they don't have a proper method to address it.

1
Date of experience: Sep 02, 2025
Addiel
Sumsub’s broken KYC system is blocking my earnings

I tried using Sumsub for KYC verification via fragment.com. Even with a valid passport, I was instantly rejected in seconds. The system auto-denied me with no explanation, no human review, and then permanently locked me out from retrying.Because of Sumsub’s broken and unfair practices, I am now unable to withdraw my legitimate earnings. This is not just an inconvenience, this is money being held hostage because of their automated, careless process.A KYC provider that can instantly reject valid government documents without review and block users from accessing their funds is a serious liability. Companies relying on Sumsub should be aware that their users may lose access to their money due to these failures.Sumsub fails when it matters most, and that is absolutely unacceptable. If they do not fix this, their service should not be trusted by any serious business.

1
Date of experience: Aug 20, 2025
Matin
No one has played with my life the way…

No one has played with my life the way Sumsub has.I provided them with completely valid documents for identity verification last year, but they rejected them without reason. I’m ready to send those same documents again so they can see there’s nothing wrong with them.They destroyed my life and my career. Anywhere that uses Sumsub, they reject me automatically. Their system has caused me so much trouble and misery. They must be held accountable for this abuse of power.I have emailed them many times, but they never reply. They are completely irresponsible and unaccountable.

1
Date of experience: Aug 07, 2025
Charley Johnson
SUMSUB

SUMSUB, are you reading this? Is it legal to store documents in such quantities? You are violating the laws of many countries and the rights of a huge number of citizens.Today I got upset about why I can't register on one site that asks me to go through verification, and what does "VERIFICATION DENIED" even mean.And I STUDIED IT - now I know everything about you. It turns out you are simply storing my documents with which I previously went through KYC on other sites, and you are simply refusing to verify me because my old document is in your system.Do you know that this is illegal?! You have no right to do this. Personal data and biometric data of how many people do you collect?

1
Date of experience: Jul 13, 2025
Jet Fisher
Sumsub - thumb down

I had to use sumsub for a few different sites and none of them worked. It is endless loop and no matter how many times you retry it would return with the same result "we are unable to verify you". I am unsure what's broken with this kyc tool but I am pretty sure there are other better tools out there for companies to use. Sumsub is pure crap and should be avoided.

1
Date of experience: Jul 08, 2025
Frustrating Experience: App Flags Valid Document as Expired with No Support

Tried uploading my permanent residency card — which, by definition, has no expiration date. Unfortunately, the app incorrectly flagged it as expired, seemingly using the issue date as the expiration date.There’s no option to appeal, clarify, or speak with a human. No support, no way forward. Incredibly frustrating and ultimately renders the app useless for valid document submissions.

1
Date of experience: Jun 26, 2025
Wyndham Price
It a peace of crap…

It a peace of crap that constantly doesn’t working at all that brings your customers into furious mode. Can’t imagine how such solution could even exist at the market! No support at all… even in urgent cases you left without any solution

1
Date of experience: Jun 24, 2025
Olivia
Maybe works OK in some countries

Maybe works OK in some countries, but in my use case lets in super obvious fakes that even a JR agent would spotPretty much useless, overpriced, overhyped

1
Date of experience: Jun 23, 2025
Rosemary Brown
Scam

I have multiple games I play for real cash I verified my identity it was fine until I downloaded another game that uses Sumsub and it wouldn't let me redeem my winnings said I was verified on another account. OK so pay me my money it's still me!!!!!!

1
Date of experience: Jun 21, 2025

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Business Details

  • Sumsub is a leading full-cycle verification platform that enables scalable compliance.

    From identity and business verification to ongoing monitoring, it adapts to your risk appetite and market demands.

  • email hello@sumsub.com
  • call +442038827770
  • language https://sumsub.com

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