Professional and business-license requirements depend on the activity and location. For regulated work, an expired, suspended, wrong-scope, or wrong-jurisdiction license may create contractual, regulatory, insurance, or safety consequences. Confirm the rule with the actual licensing authority rather than relying on a generic checklist.
Which Vendors Require Professional License Verification
The answer depends on the type of work and the jurisdiction, but the broad categories are:
Construction and trades. Contractor and trade licensing can exist at state, county, or city level and varies materially by location and scope. (Our subcontractor compliance guide covers the broader document stack.)
Healthcare. Health-professional licensing and interstate-practice rules are profession- and jurisdiction-specific. Verify through the relevant board and any applicable compact.
Financial services. Investment advisers, mortgage professionals, insurance producers, broker-dealers, and money transmitters can be subject to different federal and state registration or licensing systems.
Legal services. Attorney admission and authorization to practice are governed by the relevant jurisdiction, with rules for pro hac vice, in-house, federal, and multijurisdictional practice.
Engineering and architecture. Professional engineers and architects are licensed at the state level for work on buildings and infrastructure.
Real estate. Real estate agents and brokers are licensed by state real estate commissions.
Other regulated activities. Requirements may attach to the business, individual, location, or specific service. Search the federal, state, and local authority that governs the actual work.
What to Verify on a Professional License
A professional license verification should confirm:
License status is active. A license can be expired, suspended, revoked, or voluntarily surrendered. Only an active license provides coverage.
License number. The license number should match the number on the vendor's license document and should match public records.
Scope of the license. Confirm that the credential authorizes the specific work; do not infer scope from a title alone.
Jurisdiction. Do not assume a license transfers across state or local lines. Verify reciprocity, compact, temporary-practice, and local requirements where relevant.
Expiration and restrictions. Record the date, status, disciplinary restrictions, and any continuing conditions shown by the licensing authority.
How to Verify a License
Most professional licenses are publicly searchable through state licensing board websites. The process:
- Ask the vendor to provide their license number and the issuing state
- Search the relevant licensing board's public license lookup
- Confirm the name on the license matches the vendor's legal name
- Note the expiration date
For high-volume verification or for licenses that are difficult to search manually, commercial verification services exist. These are most commonly used in healthcare, financial services, and construction.
Building Expiration Tracking Into Your Program
Professional licenses, like COIs, expire. The difference is that most people pay attention to COI renewals because insurance certificates are a standard part of every vendor onboarding conversation. License renewals are easier to miss because they happen on an irregular schedule and the vendor is the one responsible for renewal.
Your vendor compliance system should:
- Record the license number, issuing authority, license type, and expiration date for every required license
- Alert you at policy-defined intervals before a license expires
- Flag the vendor as non-compliant when a license lapses
- Optionally notify the vendor that their license expiration is approaching
Without automated expiration tracking, you are relying on the vendor to tell you when their license renews, and on someone in your organization to verify the new license when it does.
What Happens When a License Lapses
If a required license lapses, pause the regulated work while the relationship owner confirms the status and consequence with the licensing authority and counsel. Do not invent a grace period or assume that an application for renewal authorizes continued work. Document any decision and its source. For trade-license tracking built into subcontractor onboarding, see OnComply for construction.