Personal Trainer Permit Requirements in Denver, CO

Complete permit and license guide for starting a personal trainer in Denver, Denver County, Colorado.

$150 -- $500 1–2 weeks for basic licensing; add 4–6 weeks if opening a studio 5 requirements

Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: March 13, 2026.

Denver / Denver County Requirements

2 requirements

Denver Business License

Required for all businesses operating in Denver. Issued by the Denver Department of Excise & Licenses. Personal trainers operating independently or owning a studio must register before conducting business.

$25–$50/year1–2 weeks

Official government source

Certificate of Occupancy (for studio)

Required if you open a dedicated fitness studio space. Issued by Denver Community Planning and Development after the space passes building, fire, and zoning inspections for the intended use.

$100–$400 (building permit fees)2–6 weeks

Official government source

Colorado State Requirements

2 requirements

Colorado Secretary of State Business Registration

Required to register your fitness business as a legal entity in Colorado. Most personal trainers form an LLC for liability protection. File Articles of Organization online with the CO SOS.

$50 (LLC filing fee)1–5 business days

Official government source

Colorado Sales Tax License (if selling merchandise)

Required if you sell supplements, branded merchandise, or training programs as physical products. Issued by the Colorado Department of Revenue. Personal training services are not currently subject to Colorado sales tax.

$16/yearImmediate (online application)

Official government source