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Subcontractor Screening: Is Your Whole Job Site Drug-Free?

A construction site can include workers from many different companies: electricians, plumbers, framers, roofers, concrete crews, and more. Your own drug testing program only covers your employees. What about everyone else?

Why subcontractor screening matters

An impaired subcontractor worker can injure your employees, damage your work, and delay your project. As a general contractor, you may also face liability for incidents on your site. Project owners increasingly expect site-wide safety standards.

Setting expectations in your contracts

The simplest way to address subcontractor screening is through your contracts. Consider requiring subcontractors to:

  • Maintain a written drug and alcohol policy
  • Conduct pre-employment testing for workers assigned to your projects
  • Participate in random testing
  • Conduct post-incident testing
  • Provide documentation or certification upon request
  • Remove workers who test positive or refuse testing from your site

Verification is key

A requirement means little without verification. Ask subcontractors for certification letters or documentation showing compliance. Some general contractors conduct periodic audits.

Supporting smaller subcontractors

Small subcontractors may not have the resources to run their own programs. Pointing them to a screening provider that offers affordable, easy-to-use testing can help your whole site meet the standard.

Consistency builds a safety culture

When everyone on site follows the same standards, safety becomes part of the culture rather than a rule for just one company’s crew.

Respect privacy

Subcontractors should maintain their own employees’ test results confidentially. Generally, you need confirmation of compliance, not detailed medical information.

Elite Services works with contractors and subs

Elite Services Workplace Screening provides nationwide drug testing for general contractors and subcontractors alike. We can help your subs set up their own programs so your entire job site meets your standards.


Ready to protect your workplace? Elite Services Workplace Screening provides nationwide drug testing, DOT compliance, background searches, MVRs, and E-Verify. Call 888-738-9297 or contact us online to get started.

This article is for general information only and is not legal advice. Laws and regulations change; consult qualified counsel about your specific situation.