Colorado Foreign LLCs (2026): Registration Fees and the 3 Best Services
For foreign LLC registration in Colorado this year (2026), the order is Mainstay Filing ($199), Colorado Registered Agent.co ($199) and CO Registered Agent.org ($199). Registering costs $100 in Colorado, with a $25 yearly report afterwards; three-year state fees stand 13th of 50.
Order from the five weighted criteria on the methodology page: three-year service fees at 32%, filings covered at 28%, then renewal price, fit with Colorado rules and clarity of fees.
1. Mainstay Filing: best for multi-state registrations
Rank oneService $199, renewal $149/yr
Mainstay Filing is where the almanac starts: a $199 service fee in any state, first agent year included.
Pay $100 more than Colorado Registered Agent.co over three years and the filings it covers come with that.
The free agent year ends and $149 a year begins, wherever the company registers.
In the price
The registration filing, handled for you
The registered agent role costs nothing in year one
Registration is made on the Statement of Foreign Entity Authority, lodged with the Colorado Secretary of State, Business Program, for $100.
Afterwards it files the periodic report ($25), once a year, by the end of the second month after your report month.
Before you file
The exact legal name from the home state, plus the date of formation.
A registered agent located in the state (included with each pick).
Funds for the $100 state fee.
Risks of working unregistered
Penalties may reach $5,000.
What settled the order
Requirements covered settled first place in Colorado. It carries 28% of the score, and the other criteria are added cost over three years, renewal terms, fit with state rules, fee clarity.
A company registering in Colorado already has a home state; covering both with one provider scored highest.
Colorado foreign registration service questions
What does a foreign LLC pay to register in Colorado?
$100 as the official fee. A service adds $199.
What is the foreign registration form in Colorado?
Statement of Foreign Entity Authority, filed with the Colorado Secretary of State, Business Program.
What does a foreign LLC owe each year?
It files the periodic report for $25.
What happens if the LLC operates there unregistered?
Penalties may reach $5,000.
Does a foreign LLC need a registered agent in Colorado?
Every LLC must name a registered agent with an in-state street address.
Who should handle the registration?
Mainstay Filing, Colorado Registered Agent.co and CO Registered Agent.org, in the order shown.