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Provider Profile

Middesk

US-focused business identity platform for KYB, business verification, lien filings, tax registration, and ongoing business monitoring.

KYB ProvidersKYB and Business VerificationBeneficial Ownership and UBO DiscoveryMerchant and Seller VerificationFraud Detection and Risk IntelligenceBusiness registry checksBeneficial ownership discoverySanctions screeningRules engineAPIUSAPIDashboard
Primary fitKYB Providers
CoverageUS
DeploymentAPI / Dashboard

Overview

Middesk is a San Francisco-based business identity platform built on direct connections to US Secretary of State offices, the IRS, USPS, OFAC, and other authoritative sources. It automates KYB onboarding, business verification, beneficial ownership review, lien searches, agent of process, and payroll tax registration. Customers include Plaid, Bluevine, Rippling, Brex, and Novo.

Primary category: KYB Providers. Use the sections below to check fit by capability, use case, coverage, deployment, and supporting evidence.

Capabilities

Business registry checksBeneficial ownership discoverySanctions screeningRules engineAPI

Best-fit use cases

KYB / business verificationVerify businesses, owners, directors, beneficial ownership, and merchant risk before activation.Bank onboardingVerify new customers with KYC, AML screening, fraud checks, audit trails, and exception handling.Fintech KYCVerify customers while balancing compliance, fraud prevention, conversion, and auditability.

Coverage

Region tags
US
Coverage caveat
Country, document, language, and product coverage should be verified directly with the vendor.

Integrations and developer experience

Deployment
API · Dashboard
API
Available
SDK
Unknown
Hosted flow
Unknown
On-premise
Unknown

Compliance and security notes

KYBAMLSanctions

Compliance claims must be sourced before publication.

Not legal advice. This page is an editorial reference and does not determine whether a provider satisfies any specific regulatory obligation.

Reference links

Start with the provider website and then cross-check public claims against independent search results, security pages, regulatory records, and product documentation.

Official websiteSearch breach historySearch lawsuits and enforcementSearch security reviews

Strengths

  • Direct, fresh data connections to US Secretaries of State, IRS, USPS, and OFAC
  • End-to-end US business identity beyond verification (lien filings, payroll tax registration)
  • Strong adoption among US fintechs, BaaS, and lenders

Limitations and watchouts

  • US-only data coverage; not suited for international KYB.
  • Best paired with KYC vendors for individual onboarding.

Alternatives

AlloyIdentity decisioning and orchestration platform for KYC, KYB, fraud, AML, and credit risk workflows used by banks and fintechs.BaselayerAI-powered business identity, fraud, and risk platform with a consortium fraud network spanning thousands of financial institutions.iDenfyAll-in-one identity verification, KYB, and AML compliance platform combining AI biometrics with in-house manual review.IDfyIdentity verification, background screening, and risk platform for India, Southeast Asia, and the Middle East.