How to vet any business before you hire: a practical checklist

The five-minute license and insurance check

Most trade and professional licenses in the United States are searchable through state government websites. Electricians, plumbers, HVAC technicians, general contractors, real estate agents, attorneys, physicians, dentists, financial advisers, and many other professions are licensed by state boards that publish public lookup tools. Searching the business name or license number takes about five minutes and tells you whether the license is active, what it covers, and whether any disciplinary actions are on record.

Insurance certificates are the second item. Ask for a certificate of insurance showing both general liability and, for service providers who send workers to your property, workers' compensation. The certificate lists the insurer and policy number; calling the insurer to confirm the certificate is current and that the policy is active takes two minutes. Contractors and service providers who balk at providing this information are raising a red flag.

Reading reviews: what to look for and what to ignore

Reviews are useful when read for patterns rather than averages. A business with 500 reviews averaging 4.3 stars and a consistent pattern of commentary about specific positive attributes is more informative than one with 12 reviews at 5.0. Look at the distribution of reviews, particularly the one and two-star reviews, and read what they actually say. A pattern of the same complaint across negative reviews over time is a more meaningful signal than any single bad experience.

How the business responds to negative reviews is a reliable indicator of how they handle disputes. Professional, factual responses that address the issue without attacking the reviewer suggest a business that manages problems. Defensive or hostile responses to criticism, or patterns of the business claiming the reviewer is lying, suggest the same approach will apply to your complaint. Check reviews on at least two platforms since one platform can be gamed more easily than two.

What a legitimate business looks like in practice

Legitimate businesses are generally transparent about their credentials, comfortable providing references, willing to give written estimates, willing to explain their process, and not pressured to decide immediately. They have a verifiable physical presence, a consistent business name across their license and their online presence, and a track record of resolved work. None of these individually proves quality, but the absence of several of them together is a consistent pattern in consumer fraud complaints.

Trust your gut in conjunction with the factual checks. A business that makes you feel pressured, uses high-pressure tactics, cannot produce documentation you ask for, or gives you vague answers about specific questions warrants either more investigation or walking away. A well-established, legitimate business is confident in its credentials and comfortable with questions. One that treats due diligence as an obstacle is telling you something.