Contractor Hiring Guides
Practical guides for general contractors and project owners on finding, vetting, and hiring verified subcontractors. What certifications to require, what insurance to check, and where to find contractors who've already been checked.
How to Find a Verified Welding Subcontractor
AWS certifications, D1.1 structural qualifications, pipe welding credentials, insurance requirements, and red flags to watch for.
How to Find a Verified HVAC Subcontractor
EPA 608 certification requirements, state licensing complexity, pollution liability, and what to include in an HVAC subcontract.
How to Find a Verified Electrical Subcontractor
Company vs individual licensing layers, Master and Journeyman license requirements, permit responsibility, and OSHA requirements.
How to Find a Verified Plumbing Subcontractor
State plumbing licenses, backflow prevention certification, completed operations coverage, and the potable water contamination risk most GCs miss.
Ready to find a verified subcontractor?
Every contractor in the Hard Hat Social directory has been manually verified — license, certification, and insurance checked before their profile goes live.
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