The 8 Best KYB Solutions: Know Your Business Platforms Compared

If you onboard business customers, you need to prove three things before money moves: the company legally exists, you know the people who own and control it, and none of them are sanctioned. The best KYB solutions automate all three. For most teams the short answer is: Middesk for US-only onboarding, Trulioo or Sumsub for global coverage, Persona for configurable KYB plus KYC flows, and LexisNexis RiskNarrative for large banks that want orchestration over many data sources.

This guide compares the eight KYB platforms worth shortlisting, explains how KYB differs from KYC and identity verification, and summarises the beneficial ownership rules that shape what a KYB tool must do. It reflects the market as of September 2026, including Veriff's acquisition of Vespia and FinCEN's final rule ending BOI reporting for US companies.

What are the best KYB solutions? Quick comparison

Coverage figures are what each vendor publishes on its own site. Registry depth varies by country, so test the jurisdictions you actually onboard from before you sign.

KYB vs KYC vs identity verification

These three terms get used interchangeably in vendor marketing. They answer different questions, and most regulated businesses need all three.

In practice, KYB runs first, identifies the beneficial owners, and then hands each owner to a KYC or IDV check. That is why the strongest platforms here sell both. For the individual side, see our comparisons of the best KYC solutions and the best identity verification software. If fraud rings are opening accounts at scale, pair KYB with fraud detection and prevention tooling.

KYB regulations: what changed in 2025 and 2026

KYB tools exist because regulators require covered firms to look through a legal entity to the people behind it. The rules below set the minimum a KYB platform has to support.

United States: the CDD rule still applies, BOI reporting mostly ended

• FinCEN Customer Due Diligence (CDD) rule. Banks, broker-dealers, mutual funds, futures commission merchants and introducing brokers must identify and verify each individual owning 25 percent or more of a legal entity customer, plus one individual who controls it. This obligation sits on the financial institution and is unchanged.
• Corporate Transparency Act (CTA) BOI reporting. FinCEN's March 2025 interim final rule exempted US-formed companies and US persons from reporting. FinCEN then made that exemption permanent on August 11, 2026, effective August 14, 2026.
• Who still reports. Per FinCEN's BOI page, only entities formed under foreign law and registered to do business in a US state or tribal jurisdiction must file. They do not report US persons as beneficial owners.

The practical effect: there is no federal BOI database for US companies that a KYB vendor can query. US ownership data still has to come from the customer, state filings and commercial sources, which is where US-specialist vendors earn their keep.

European Union: AMLR and AMLA

• AMLR. The Anti-Money Laundering Regulation (EU) 2024/1624 applies directly in every member state from 10 July 2027. It replaces national transpositions with a single rulebook for customer due diligence and beneficial ownership.
• AMLA. The new EU Anti-Money Laundering Authority is based in Frankfurt. Its direct supervision explainer says it will select up to 40 entities or groups from July 2027 and supervise them directly from 2028.
• UBO registers. In November 2022 the Court of Justice struck down unrestricted public access to beneficial ownership registers (C-37/20). Access now depends on the member state and, for many requesters, a legitimate interest. KYB vendors cannot assume an EU register lookup will always be available.

United Kingdom: verified directors and PSCs

Since 18 November 2025, identity verification at Companies House is a legal requirement for directors and people with significant control (PSCs). Over time this makes UK registry data more trustworthy as a KYB input, though it does not remove your own due diligence obligation.

The 8 best KYB solutions, reviewed

1. ComplyAdvantage

Best for: mid-size and large fintechs that want strong AML screening intelligence across both the company and its owners.

ComplyAdvantage's strength is risk data. Its Mesh Company Screening module screens businesses against sanctions, watchlists, PEPs, adverse media and enforcement data, with configurable sources. Monitoring is continuous, so a newly sanctioned counterparty surfaces without a manual rescreen. Machine learning is used to rank adverse media relevance and cut false positives.

For registry verification and case workflow, ComplyAdvantage partners with Detected, which provides case management, a customer portal, decision automation and ongoing monitoring. Since March 2026, Mesh also powers AML screening inside Sumsub, so you may meet ComplyAdvantage data through another vendor.

• Strengths: deep proprietary risk data; API-first; ongoing monitoring reduces periodic review work.
• Limitations: full KYB depends on a partner for the registry layer; configuration takes compliance and engineering time.
• Pricing: quote-based.

2. LexisNexis RiskNarrative

Best for: banks, insurers and large regulated firms operating across several jurisdictions.

RiskNarrative is an orchestration platform for the full financial crime lifecycle. For KYB it verifies entity ownership, control structure, directorships, ultimate beneficial owners, shareholders, credit and sanctions. It pulls in LexisNexis data and third-party services through one REST API. Workflows are changed with a no-code, drag-and-drop builder rather than developer tickets.

The ownership engine traces holding companies and cross-border chains to find the natural persons at the end. It combines that with adverse media and sanctions checks in a single case view. LexisNexis reports a top ranking in Juniper Research's 2026 KYC/KYB systems report.

• Strengths: broad data pool; strong beneficial ownership discovery; business users can change workflows.
• Limitations: premium pricing; the volume of data needs careful filtering to avoid alert overload.
• Pricing: quote-based enterprise subscription.

3. Trulioo

Best for: companies onboarding businesses from many countries through one integration.

Trulioo Business Verification covers business entities in 195+ countries. Trulioo states it can verify 700 million business entities and supports 500 registration number formats. The KYB ownership tree shows owners and key personnel, with downloadable incorporation documents and filings. KYB and KYC run in a single workflow, and watchlist screening is available through GlobalGateway.

Entity resolution matters here. Transliterated names and different registration formats cause false matches, and Trulioo normalises data fields across jurisdictions to reduce them. Coverage depth is not uniform, so check registry quality for your top markets.

• Strengths: widest single-vendor country coverage; combined KYB and KYC; built for high volume.
• Limitations: data depth varies by country; more than a small, single-market business needs.
• Pricing: quote-based, usage priced.

4. iDenfy

Best for: fintechs, marketplaces and payment firms that want KYB and biometric owner checks from one lower-cost vendor.

iDenfy KYB retrieves company registry data, screens beneficial owners and runs compliance checks, through a dashboard or API. Its distinguishing feature is biometrics on the people behind the company. Directors and UBOs can be verified with document checks, face matching and liveness in the same flow.

Document analysis covers incorporation certificates and other filings, checking for tampering. Unusual corporate structures can still fall to manual review.

• Strengths: KYB plus biometric identity assurance; flexible for fluctuating volumes.
• Limitations: results depend on registry availability by jurisdiction; complex structures may need manual work.
• Pricing: KYB is quote-based. iDenfy publishes identity verification pricing separately.

5. Veriff (formerly Vespia)

Best for: teams already using Veriff for identity verification, and firms with complex ownership chains.

Vespia was an Estonian KYB platform known for UBO tracing and ongoing monitoring. Veriff announced its acquisition of Vespia on February 5, 2026, and planned commercial KYB across its platform by mid-2026. Vespia's own announcement confirms the team joined Veriff. When we checked in September 2026, Veriff's KYB sign-up page still described a limited access program.

The Vespia capabilities carried over include registry data collection, shareholder and UBO mapping, document verification, sanctions and PEP screening, and risk-based workflows.

• Strengths: strong UBO tracing; single vendor for KYB and IDV if you run Veriff already.
• Limitations: product in transition; confirm roadmap, contract entity and availability before committing.
• Pricing: quote-based.

6. Persona

Best for: product-led companies that want to design their own KYB and KYC flows by risk tier.

Persona's KYB connects to government and commercial registries in 150+ countries with localised matching. It maps ownership hierarchies automatically and checks each UBO against identity and sanctions sources. Reports return extra signals such as registered agents, websites, state registrations and industry codes.

The workflow builder is the reason to choose it. Verification depth, documents and screening intensity can vary by business type, jurisdiction and risk level. Persona also offers a lighter US-only business verification solution for startups.

• Strengths: KYB and KYC in one configurable flow; building blocks can be bought separately.
• Limitations: more configuration than simple low-risk use cases need; integration takes engineering time.
• Pricing: quote-based.

7. Sumsub

Best for: fintech and crypto firms that want KYB, KYC and transaction monitoring from one vendor.

Sumsub offers registry checks in 220+ countries and territories. It states access to 600 million commercial records and 500 million shareholder records. Its documentation lists four data coverage levels (worldwide, regional, local and manual). Its compliance team can review corporate documents from 140+ countries manually.

When Sumsub identifies a UBO, it can trigger individual KYC for that person inside the same case. AML screening runs on ComplyAdvantage Mesh since the March 2026 partnership.

• Strengths: end-to-end lifecycle; manual review fallback for hard jurisdictions; strong automation.
• Limitations: breadth can overwhelm small teams; custom workflows need development effort.
• Pricing: quote-based for KYB.

8. Middesk

Best for: US fintechs, lenders and B2B platforms that onboard US businesses only.

Middesk verifies legal name, address and formation status against Secretary of State records in all 50 states and DC. Its TIN matching API confirms that a business name and tax ID match IRS records. It also identifies officers and beneficial owners, screens sanctions lists and adds industry, web presence and litigation signals.

With federal BOI reporting gone for US companies, a vendor that goes straight to state filings and IRS matching is the most direct US data path. Middesk does not aim to be a global registry network.

• Strengths: primary US sources; fast API decisions; frequent data refresh.
• Limitations: US-focused; pair it with a global vendor if you onboard non-US entities.
• Pricing: quote-based.

Also worth shortlisting: Moody's (Kompany)

If you need primary-source registry documents rather than an onboarding UI, Moody's Kompany offers live registry access to more than 328 million companies across 200+ jurisdictions. It includes a UBO discovery tool, tax ID verification and original filings, by API or web workspace. Many teams use it as a data layer beneath one of the platforms above.

How to choose a KYB solution

Four checks separate a good pilot from a bad contract. Test your own top ten jurisdictions for registry hit rate. Measure how often UBO discovery needs manual work. Confirm that each owner flows into KYC without re-entry. Ask how monitoring alerts are deduplicated. From building customer identity infrastructure at LoginRadius, the pattern I would watch is the handoff between systems: most onboarding friction lives there, not in any single check.

How we evaluated

Last verified: September 2026

We checked each vendor's own product pages, documentation and press releases for current KYB capabilities, coverage claims and pricing models. We checked acquisition news on the acquirer's and target's own sites, which is how the Veriff and Vespia change was confirmed. Regulatory statements were checked against FinCEN, the Federal Register, EUR-Lex, AMLA, the Court of Justice of the EU and GOV.UK.

Coverage numbers are vendor-stated and have not been independently tested. No vendor publishes KYB list prices, so pricing is shown as quote-based. We did not run hands-on tests. Rankings weigh registry coverage, UBO discovery, screening quality, workflow flexibility and fit for a clearly defined buyer.

Frequently Asked Questions

What are the best KYB solutions?

The leading KYB platforms are ComplyAdvantage, LexisNexis RiskNarrative, Trulioo, iDenfy, Veriff (Vespia), Persona, Sumsub and Middesk. Middesk is strongest for US-only onboarding. Trulioo and Sumsub lead on global coverage. Persona suits teams that want configurable KYB plus KYC.

What is the difference between KYB and KYC?

KYB verifies a business: that it is registered, who its directors are, and who ultimately owns it. KYC verifies an individual customer. The two connect because KYB identifies the beneficial owners, and each owner then goes through KYC or identity verification.

What is an ultimate beneficial owner (UBO)?

A UBO is a natural person who ultimately owns or controls a company. Under the US CDD rule that means anyone with 25 percent or more ownership, plus one person with significant control. Thresholds vary by jurisdiction. Layered structures are used to hide owners, so KYB tools trace ownership chains across companies.

Do US companies still have to file beneficial ownership (BOI) reports?

No. FinCEN's final rule, effective August 14, 2026, permanently exempts companies formed in the United States and US persons. Foreign entities registered to do business in a US state still report. Banks must still collect beneficial ownership under the CDD rule.

How long does KYB verification take?

For jurisdictions with digital registries, automated checks return in seconds. Cases needing UBO discovery across several countries, document collection or enhanced due diligence usually take one to five business days. Offshore structures with manual registry retrieval can take weeks.

When does the EU AMLR apply?

The Anti-Money Laundering Regulation applies across the EU from 10 July 2027. AMLA will begin directly supervising up to 40 of the most impactful financial entities or groups in 2028. KYB programmes serving EU customers should be aligned before the 2027 date.