Trusted Testing, Anytime

H&H Lab Services delivers dependable 24/7 mobile drug testing and verification across Houston and Harris County. Our mission centers on accuracy, confidentiality, and convenience, ensuring every test and verification meets strict standards. From DOT and non-DOT drug screenings to I-9 verification and background checks, we prioritize clear communication and timely results to support your compliance needs.

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Reliable Testing, Anytime, Anywhere

Comprehensive Mobile Drug Testing & Verification Services

24/7 Mobile Drug Testing

On-demand DOT and non-DOT drug testing at your location, any time of day, ensuring compliance and convenience.
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I-9 Verification Services

Accurate and timely employment eligibility verification to help you meet federal requirements without hassle.
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Background Checks & More

Comprehensive background screenings, fingerprinting, and notary services tailored to your business needs.
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Trusted by Houston’s Workforce

What Our Clients Say About H&H Lab Services

H&H Lab Services consistently delivers prompt and professional mobile drug testing. Their team’s attention to detail and flexible scheduling made compliance easy for our company.

Maria T.
3 months ago

The background check and I-9 verification process was straightforward and reliable. H&H Lab Services helped us maintain a safe workplace with minimal disruption.

James L.
6 weeks ago

Their 24/7 availability and quick response times have been invaluable. The team’s professionalism and clear communication set them apart in the drug testing industry.

Samantha R.
1 year ago

Frequently Asked Questions

Find clear answers about our drug testing, verification, and background check services. We aim to make the process straightforward and reliable for every client.
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  • What types of drug testing do you offer?

    We provide 24/7 mobile DOT and non-DOT drug testing tailored to meet federal and state regulations. Our services include urine, hair, and saliva tests conducted at your location for convenience.
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  • How does the I-9 verification process work?

    Our I-9 verification ensures compliance with employment eligibility requirements. We handle document review and electronic submission efficiently, either onsite or remotely, to simplify your hiring process.
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  • What should I expect during a background check?

    Background checks include criminal history, employment verification, and education confirmation. We deliver thorough reports quickly while maintaining strict confidentiality and accuracy.
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Get in Touch with H&H Lab Services

Contact us anytime to discuss your drug testing, verification, or background check needs. Our team is ready to provide prompt, dependable support and schedule your consultation at your convenience. Reach out today to ensure compliance and safety with trusted mobile testing solutions.