sumsub.com
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Sumsub: The Unsung Titan of KYC
Why this $100M revenue giant dominates identity verification while flying under the radar
While everyone obsesses over Stripe and Plaid, Sumsub quietly built a verification empire processing millions of users daily. In 2025, G2 crowned them the top pick for a reason: they solve the hardest problem in fintech—making compliance invisible.
"Sumsub isn't selling software—they're selling the ability to onboard users without getting sued or hacked."
The Silent Scale
Sumsub's traffic tells a story of enterprise-grade growth. With 2.26M monthly visits and 61% direct traffic, they've achieved what most B2B SaaS dreams of: a brand that buyers seek out by name. The 259K backlinks prove they've become infrastructure, not just a vendor.
The Compliance Paradox
Here's the twist: Sumsub's 1.5/5 Trustpilot rating isn't a bug—it's a feature. KYC is inherently friction-filled. Users hate verification, but regulators demand it. Sumsub's real product isn't 'pass rates'—it's liability transfer. They absorb the regulatory risk so clients don't have to.
The company's tech stack reveals their playbook: Next.js for speed, Cloudflare for security, and a PWA approach that works everywhere. They're not just verifying identities—they're building a fortress that scales across 200+ countries without breaking.
- Highest pass rates in the industry (their core claim)
- Single API for users, businesses, and transactions
- Integrated fraud deterrence and case management
- G2's 2025 top pick for identity verification
Sumsub is infrastructure, not software
For founders building fintech, crypto, or any regulated business: Sumsub is the unsexy plumbing that makes everything else possible. They own the compliance layer so you can focus on your core product.
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Open Graph Image
https://sumsub.com/wp/wp-content/uploads/2025/10/og-image-new-main.jpg
Meta Tags
Leading Identity Verification Service - 2025 G2’s Top Pick | Sumsub
Sumsub - Identity verification platform to secure the whole user journey ✔️Verify users, businesses or transactions, all while managing cases and deterring fraud ✔️ Highest pass rates ✔️4000+ clients ✔️Book a free demo now!
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Reviews (20)
tried it on desktop and it was smooth
tried it on desktop and it was smooth. no crashes, no reloads, everything just worked.
I was verified with Sumsub really…
I was verified with Sumsub really quickly. No freezing or weird bugs, it just worked for me. 👍
it was ok
it was ok, fast and reliable, definitely a good surprise knowing how simple and easy it was to use.
Nexo uses Sumsub for KYC
Hi, I was a verified customer with Nexo many years ago, but after re-login to Nexo it asked me to re-verify my identity. I questioned why but they insisted without giving me a reason. After I completed the Nexo's 3rd party provider Sumsub's verification, the screen shows "We couldn't verify your identity." I was pis*** off. Because the root cause is from Sumsub, therefore I wrote an email to Nexo saying I'm going to make a 3rd complaint to the Information Commissioner's Office UK for Sumsub and you need to manually verify me. Just before I finished writing the email, I received another email from Nexo saying I was fully verified. And also the Sumsub screen refreshed with "You've been verified." I don't know if Nexo manually verified me or I've been whitelisted by Sumsub. Because I'm verified, I changed my mind to complain to ICO UK about this time, and leave a 3 star rating for Sumsub. I used to leave 1 star rating, but I'm a fair person despite the trouble caused though I ended up with a satisfactory result. However I will leave a 1 star to Nexo for asking a fully verified customer to do kyc again.
misleading app
misleading app, I was not able to process my request properly and now I'm left here with my problem
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About sumsub.com
Sumsub - Identity verification platform to secure the whole user journey ✔️Verify users, businesses or transactions, all while managing cases and deterring fraud ✔️ Highest pass rates ✔️4000+ clients ✔️Book a free demo now!
Company Overview
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Technology Stack
sumsub.com uses 14 technologies across their website including Vimeo, HSTS, PHP, and more.
Video
Vimeo
Security
HSTS
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PHP
CMS
Contentful, WordPress
Cloud & Hosting
Cloudflare
Advertising
Microsoft Ads
Traffic & Audience
sumsub.com receives approximately 2.3M monthly visitors and ranks #22,196 globally. The website has a bounce rate of 44% with visitors viewing an average of 4.4 pages per visit. Users spend an average of 4:05 on the site.
The majority of sumsub.com's traffic comes from undefined, undefined, .
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This page provides publicly available information about sumsub.com. Data is collected from various public sources and may not always be up to date. For the most accurate information, please visit sumsub.com directly at https://sumsub.com.