Biohazard & Trauma Cleanup in New Hampshire
7 certified biohazard cleanup firms on file in New Hampshire. Credentials below are verified against IICRC's Certified Firm registry.
Cities with 3+ certified firms
Also served (1–2 firms)
Dover, Hollis, Merrimack, Portsmouth, Weare, Westmoreland
What New Hampshire biohazard cleanup firms are certified in
Certification counts across the 7 New Hampshire firms on file for this work. These are the credentials on record with the issuing body — not what the firms advertise.
| Credential | What it covers | New Hampshire firms |
|---|---|---|
| FSRT | Fire and Smoke Damage Restoration Technician | 7 |
| TCST | Trauma and Crime Scene Technician | 7 |
| WRT | Water Damage Restoration Technician | 7 |
| AMRT | Applied Microbial Remediation Technician | 6 |
| ASD | Applied Structural Drying Technician | 5 |
| OCT | Odor Control Technician | 5 |
7 of these firms hold three or more certifications; 1 appear in two independent registries and carry a cross-verified marker; 4 operate under a national franchise brand, which is separately owned and separately credentialled from the brand itself.
Every New Hampshire firm we hold a record for, A–Z by city →
Biohazard Cleanup in New Hampshire: common questions
Is biohazard cleanup work licensed in New Hampshire?
No US state licenses biohazard cleanup work specifically. General contractor registration may apply to any rebuild that follows. The checkable credential is IICRC certification, which is what every listing on this page is verified against.
What certifications do New Hampshire biohazard cleanup firms actually hold?
Across the 7 New Hampshire firms on file for this work, the most common credentials are FSRT (Fire and Smoke Damage Restoration Technician) held by 7 firms, TCST (Trauma and Crime Scene Technician) held by 7 firms, WRT (Water Damage Restoration Technician) held by 7 firms, AMRT (Applied Microbial Remediation Technician) held by 6 firms. 7 hold three or more certifications. Certification describes verified training rather than the services a firm chooses to advertise.
How were these New Hampshire firms verified?
Every certification was checked against IICRC's own Certified Firm registry, not against the firm's marketing. 1 of the 7 appear in two independent registries and carry a cross-verified marker. Checked August 14, 2026.