Best KYB (Know Your Business) Software Providers of 2026

We compared the top KYB software providers for 2026 across business verification coverage, UBO checks, AML screening, questionnaires, and risk scoring. Here’s what we found.

* Vespia score is G2 only (limited review volume). Rankings reflect feature coverage, compliance depth, and available review scores.

Notable Mentions

 

KYB Software Feature Comparison (2026)

Side-by-side feature breakdown of the top KYB software providers.

 

 

Criteria for Comparing KYB Providers

Not all KYB tools work the same way. We looked at whether each one covers the core requirements — not just the basics, but the parts that matter in a real audit. A check that misses an ownership layer or runs on stale registry data isn’t just incomplete; it’s a compliance risk.

The core requirements for any business verification flow:

• Company information collection with necessary documents uploaded;
• Identifying UBOs and the full ownership structure;
• AML screening and ongoing monitoring for UBOs;
• KYC verification for company representatives and shareholders;
• Record keeping for audit purposes;
• Cross-checking submitted data against official registry documents or credit bureau records;

Because an automated KYB tool can approve a company your manual process would have flagged, the vendor needs to be reliable — not just fast. Speed without accuracy creates regulatory exposure.

Beyond the basics, compliance teams usually want:

• A risk scoring tool with configurable thresholds — by country of incorporation, industry, UBO nationality, or other factors your framework uses;
• An automated data crossmatch that checks what the client submitted against the official registry and surfaces the gaps;
• Perpetual KYB (pKYB) — alerts when a monitored company changes ownership or gets added to a watchlist, without re-running the check manually;
• Automated questionnaires — templates customisable per client type, sent automatically, with responses stored in the verification record.

KYB Compliance Requirements

The rules differ by region, but all follow FATF recommendations.

• EU (AMLD5/AMLD6): UBOs at 25%+ ownership must be identified and verified against official registers. Ongoing monitoring is mandatory. AMLD6 added personal criminal liability for compliance officers.
• US (Corporate Transparency Act 2024): Most US companies must now report beneficial owners to FinCEN — including millions that had no such obligation before.
• UK (MLR 2017 + ECCT Act 2023): CDD required on all business clients, UBOs verified via Companies House. The 2023 Act tightened what Companies House actually verifies, making registry data more reliable than it was.
• Crypto / VASPs: Under the FATF Travel Rule and MiCA (EU, effective 2026), VASPs must apply KYB to business counterparties, not just individual users.

What to Look for in a KYB API

Before committing to a provider, ask:

• Registry coverage and update frequency — How many countries, and how fresh is the data? Stale registry data causes false positives and manual review backlogs.
• UBO depth — Does it trace through parent companies, subsidiaries, and trusts, or only return direct shareholders?
• Webhook alerts — When a monitored company gets sanctioned or changes ownership, does the system push an alert, or do you poll for it?
• Questionnaire support — Can you send onboarding questionnaires via the API and receive responses programmatically?
• Combined KYB + KYC — Can the same API trigger both company verification and individual UBO checks, or do those need separate integrations?

#1 iDenfy

4.88 Average Score · (4.8 Capterra | 4.9 G2 | 5.0 TrustRadius | 4.8 Gartner)

iDenfy website: idenfy.com/know-your-business-solution

iDenfy runs the full KYB process in one place — business verification, UBO mapping, KYC on individuals, AML screening, and ongoing monitoring, all in a single flow. No separate tools to connect. The AI Company Data Crossmatch checks what the client submits against registry data and flags the gaps. The AI-Generated Company Report produces a structured entity summary at the end — no other provider on this list does this.

UBO identity checks and sanctions screening fire automatically when the company form is submitted — part of the same flow, not a follow-up step. Perpetual KYB (pKYB) keeps the company under watch after onboarding. Your team gets a dashboard alert or webhook the moment ownership changes or a sanctions hit comes in.

Key KYB Features

• Business verification across 180+ company registries in 120+ countries;
• Full UBO ownership graph, including multi-layer structures;
• AI Company Data Crossmatch — automated discrepancy detection against registry data;
• AI-Generated Company Report — structured verified entity summary;
• Automated questionnaires with custom templates, auto-sent to directors;
• KYC verification auto-triggered for all UBOs and shareholders after form submission;
• AML screening (sanctions, PEPs, adverse media) for company and all connected individuals;
• Perpetual KYB (pKYB) with dashboard alerts and webhook notifications;
• Weighted risk assessment with custom category thresholds;
• EIN/TIN Verification and Secretary of State (SOS) Search for US businesses;
• Pay per approved verification — not charged for failed or abandoned sessions;
• ISO 27001 + SOC 2 certified, GDPR compliant, Lloyd’s of London cyber insurance;

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#2 Vespia

5.00 Average Score · (5.0 G2 | Reviews pending on Capterra and TrustRadius)

Vespia website: vespia.io

Vespia is an AI-powered KYB platform built for companies verifying business clients at scale. It covers company data collection, UBO mapping, document verification, and AML screening. Its G2 score is 5.0, but review volume is still low — take that number with context. It’s a good fit for fintechs, crypto platforms, and B2B marketplaces that need multi-country KYB without building their own verification stack.

Key KYB Features

• AI-powered company verification across 100+ countries;
• Automated UBO identification and ownership graph mapping;
• Registry document collection and verification;
• AML screening for company and associated individuals;
• Ongoing monitoring with alert notifications;
• Customisable onboarding flows and questionnaires;
• Risk scoring and case management;

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#3 Persona

4.65 Average Score · (4.8 G2 | 4.5 Capterra)

Persona website: withpersona.com

Persona handles both identity and business verification, used across companies from early-stage startups to large platforms. Its KYB covers company verification, UBO identification, and document collection through a workflow builder you configure without code. Good developer documentation and clean no-code flow setup are where it stands out. AML screening isn’t native — it comes via third-party integrations, so factor that in if AML is a hard requirement.

Key KYB Features

• Business verification across global registries;
• UBO identification and ownership structure mapping;
• No-code configurable workflow builder;
• Document collection and verification;
• KYC for directors and UBOs;
• Risk scoring and case management dashboard;
• Strong API and developer documentation;
• AML screening via third-party integrations;

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#4 Sumsub

4.60 Average Score · (4.7 Capterra | 4.5 G2)

Sumsub website: www.sumsub.com

Sumsub runs both KYC and KYB through the same workflow builder — useful if you want one dashboard for both processes. Covers 220+ countries, processes 50,000+ verifications daily, and includes AML screening natively. One thing to factor in: pricing is per completed check, including rejected ones. If your KYB rejection rate is high, costs add up faster than with a pay-per-approved model.

Key KYB Features

• Business verification across 220+ countries;
• UBO identification and ownership mapping;
• Customisable KYB workflow builder;
• Document collection and registry verification;
• AML screening for company and associated individuals;
• Ongoing monitoring with workflow rule triggers;
• Risk assessment and scoring;
• Pricing: pay per completed verification ($1.35/check);

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#5 Middesk

4.35 Average Score · (4.4 G2 | 4.3 Capterra)

Middesk website: www.middesk.com

Middesk is built for US business verification. It pulls directly from Secretary of State records, IRS databases, and OFAC watchlists — so for US-registered companies, it can return results without the client uploading any documents. That makes onboarding fast. The limitation is scope: US-only, and AML checks on individuals or UBO-level KYC need a separate integration. If your client base is mostly US businesses and you want a lean, fast tool, Middesk works. If you need international coverage or a full KYB + KYC stack, it won’t be enough on its own.

Key KYB Features

• US business verification via Secretary of State records and IRS data;
• Automated company data retrieval — no document upload required for US companies;
• UBO identification and ownership mapping;
• OFAC and watchlist screening;
• Business credit and financial health data;
• Risk assessment and business scoring;
• Strong API with fast response times;

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DISCLAIMER
This information is collected from public sources and vendor websites; it is not our final verdict or opinion. The information, in some cases, could be outdated. You should contact the vendor directly to get recent information. If there is missing information, please contact the website owner.