Cannabis Testing Labs in Ohio
8 licensed cannabis testing laboratories in Ohio. All labs listed are licensed by Division of Cannabis Control.
Data source: Ohio Division of Cannabis Control
Ohio cannabis testing overview
Ohio voters approved recreational cannabis in 2023. The market is still developing with licenses being issued for the adult-use program. All cannabis products sold in Ohio must be tested for potency, contaminants, microbials, and (for concentrates) residual solvents by a lab licensed under Division of Cannabis Control. Look for ISO/IEC 17025 accreditation and currently valid state licensure when choosing a lab.
North Coast Testing Laboratories
Streetsboro, Ohio
ACT Laboratories Ohio
Columbus, Ohio
One Bond Testing Laboratories
Columbus, Ohio
CP Labs
Columbus, Ohio
Priority Labs
Columbus, Ohio
Midway Labs (Smithers)
Columbus, Ohio
Pinnacle Testing and Specialty Lab
Akron, Ohio
SV Labs
Toledo, Ohio
Frequently Asked Questions
How many cannabis testing labs are in Ohio?+
There are 8 licensed cannabis testing laboratories in Ohio listed on CannaBizGuide. All labs are regulated by Division of Cannabis Control and data is sourced from Ohio Division of Cannabis Control. The number of licensed labs can change as new facilities receive accreditation or existing labs lose their license.
What tests are required for cannabis products sold in Ohio?+
Ohio cannabis products must typically be tested for cannabinoid potency (THC, THC-A, CBD, CBD-A and often other cannabinoids), terpene profile (sometimes optional), pesticides, heavy metals, residual solvents (for concentrates), microbial contaminants, mycotoxins, and moisture content. Division of Cannabis Control sets the specific analyte panels and action limits. Retest rules, homogeneity sampling, and label claim tolerances are also state-specific. See our testing requirements by state guide for the current OH panel.
How much does cannabis testing cost in Ohio?+
Full-panel compliance testing in Ohio typically ranges from a few hundred to over a thousand dollars per sample depending on matrix type (flower vs concentrate vs edible), panel scope, and turnaround. Bulk pricing and volume discounts are common for multi-state operators. R&D testing (not for compliance) is usually less expensive. Get quotes from multiple labs and confirm they can test ALL required matrices before committing.
What accreditations should a Ohio cannabis lab have?+
At minimum, look for ISO/IEC 17025 accreditation from a recognized body (A2LA, PJLA, ANAB, or similar). Ohio may also require specific state-level certification or licensing from Division of Cannabis Control. Some operators also look for ORELAP, EMLAP, or TNI certifications, particularly for specific analyte categories. Verify accreditation status directly with the accrediting body - do not rely on lab marketing alone.
What is the typical cannabis testing turnaround time in Ohio?+
Standard compliance testing turnaround is usually 5-10 business days from sample receipt to reported Certificate of Analysis (COA). Rush service (48-72 hours) is available at most labs for a premium. Complex matrices (distillates, edibles with unusual excipients) and retest scenarios often take longer. Plan testing windows into your release schedule, especially around regulated harvest or batch-release deadlines.
How do I read a cannabis Certificate of Analysis (COA)?+
A cannabis COA reports pass/fail for each required analyte category plus quantified values (potency % and contaminant levels). Key things to check: batch number, sample intake date, testing methodology references (LC-MS/MS, GC-MS, qPCR), and that the lab's name and accreditation number match a currently-licensed lab. Beware of COAs from unaccredited or out-of-state labs. See our How to Read a Cannabis COA guide for a detailed walkthrough.