Colorado Foreign LLC Registration (2026): Fees and the 3 Best Services
Our Colorado answer for 2026 is Colorado Registered Agent.co ($199), Mainstay Filing ($199) and CO Registered Agent.org ($199), ranked in that order. The state's fee to register is $100, and the yearly report for foreign LLCs is $25, 13th of 50 over three years.
Weights: 35% three-year service fees, 30% filings covered, 30% the rest (methodology).
We would start here
1. Colorado Registered Agent.co: best for a low-cost Colorado filing
$199 plus the $100 state fee, then $99 a year
Colorado Registered Agent.co gets our first slot: registration at $199 plus state fees, agent included for year one.
Its three-year service fees come in under Mainstay Filing's, and service fees are our heaviest criterion at 35%.
What you pay for
Colorado registration prepared and filed
A year of agent service
For
$199 plus the state fee
A year of agent service included
Low $99 renewal
Against
Colorado only; your home state needs its own agent
Bundled filings
2. Mainstay Filing: best for a second or third state
$199 plus the $100 state fee, then $149 a year
Mainstay Filing slots in second. What it offers: it files the Colorado registration for $199 over the state fee and includes year one of agent service.
Its three-year service fees are $100 above Colorado Registered Agent.co, and service fees carry 35% of our score.
The agent renews at $149 a year wherever the company registers.
What you pay for
Registration prepared and filed
Registered agent, free for the first year
Same service fee in every state
For
$199 over the state fee
One price for any state
First agent year included
Against
Agent renews at $149, $50 above Colorado Registered Agent.co
Colorado specialist
3. CO Registered Agent.org: best for Colorado registrations
$199 plus the $100 state fee, then $99 a year
Pick 3, CO Registered Agent.org: registration at $199 plus state fees, agent included for year one.
Same published prices as Colorado Registered Agent.co.
What you pay for
Colorado registration prepared and filed
A year of agent service
For
A year of agent service included
$199 plus the state fee
Low $99 renewal
Against
Colorado only; your home state needs its own agent
The Colorado Secretary of State, Business Program takes the Statement of Foreign Entity Authority and a $100 fee.
Later it owes the periodic report ($25), once a year, by the end of the second month after your report month.
Filing checklist
The registered name and formation date from home.
Someone to serve as registered agent in Colorado.
The $100 official fee.
The cost of not registering
Penalties top out at $5,000.
Why this order
Service fees over three years is worth 35% of the score, and it put Colorado Registered Agent.co ahead of Mainstay Filing here.
At $397 over three years, $100 below Mainstay Filing, Colorado Registered Agent.co leads on cost.
Questions
How much does it cost to register a foreign LLC in Colorado?
$100 at the state office. A service adds $199.
Which form registers a foreign LLC in Colorado?
File Statement of Foreign Entity Authority with the Colorado Secretary of State, Business Program.
What does a foreign LLC file after registering?
The periodic report, $25.
What if the LLC does business there without registering?
Penalties top out at $5,000.
Is a registered agent needed there?
Every LLC must name a registered agent with an in-state street address.
Who should file the registration?
Our order is Colorado Registered Agent.co, Mainstay Filing and CO Registered Agent.org. For Colorado Registered Agent.co: $199 plus the state fee, the first agent year included, then $99 a year for the agent.