Mainstay Filing takes the top spot because one yearly charge of $199 files the Colorado formation, serves as your registered agent and files the periodic report; renewal is $199.
Renewal includes Mainstay filing the periodic report on your behalf. The state fee in Colorado is $25 every year, due last day of the entity's anniversary month, with $50 added if it is late, and Mainstay passes that fee through at cost.
Its three-year total is $200 above Colorado Registered Agent.co's, and what the price covers justifies that gap for us.
In the price
- The LLC formation handled for you
- A year as your registered agent
- Your periodic report, prepared and filed for you
- EIN application handled
Good
- Colorado's fee is added at cost
- Renews at $199 with no add-ons
- A single $199 yearly price that covers the periodic report
- EIN application is part of the package
Watch for
- The agent part costs $100 a year more than Colorado Registered Agent.co's after year one
Colorado Registered Agent.co makes the list at number two because forming in Colorado costs $199 plus the state fee, and year-one registered agent service is covered, then $99 a year.
The registered office is an in-state street address supplied by the plan, and any papers served on the company show up as scans in your online account.
Its published prices leave out the periodic report, so the owner files it with Colorado every year.
In the price
- Formation prepared and filed
- Your registered agent for the first year
Good
- A $199 price on top of the filing fee
- The registered agent role is free for the first year
- The agent is $99 a year after the first
Watch for
- Leaves the periodic report to the owner
- The EIN application is an extra charge ($99)
CO Registered Agent.org makes the list at number three because forming in Colorado costs $199 plus the state fee, and year-one registered agent service is covered, then $99 a year.
The registered office is an in-state street address supplied by the plan, and any papers served on the company show up as scans in your online account.
Its published prices leave out the periodic report, so the owner files it with Colorado every year.
The published prices and features of Colorado Registered Agent.co and CO Registered Agent.org are identical, so the order between them is a coin flip between solid options.
In the price
- Formation prepared and filed
- Your registered agent for the first year
Good
- $99 yearly for the agent in year two
- Year one as your registered agent is covered
- A $199 price on top of the filing fee
Watch for
- Leaves the periodic report to the owner
- The EIN application is an extra charge ($99)
The 3 picks side by side
Filing Shortlist sets each score out of 10 itself, using the criteria on How we rank; no customer ratings feed in.
Colorado LLC service pricing in 2026: first year, renewals, three-year total
Every price comes from the company's own pages as of November 12, 2026. The $50 Colorado filing fee comes on top of each row and is left out of the totals.
How the order came together
On Filing Shortlist's shortlist, three-year price and what the price covers carry 28% each and renewal terms, fit for the state and price clarity share the other 44%. In Colorado, what the price covers made the difference.
Colorado asks for a report each year and charges $25, plus $50 when it is late. Mainstay's price covers that filing and Colorado Registered Agent.co's does not, so coverage beat Colorado Registered Agent.co's lower three-year bill.
Every criterion and weight is set out on How we rank.
Forming in Colorado: filing fee and form
The Articles of Organization costs $50 to file with the Colorado Secretary of State. Each service here adds that fee at cost to its own price.
Keeping the company in good order in Colorado after formation
File the periodic report every year, by last day of the entity's anniversary month. The state fee is $25. A late filing adds $50. Every LLC must name a registered agent with an in-state street address.
Common questions about Colorado LLC services
What is the price of starting an LLC in Colorado?
The state filing fee is $50, and service fees run $199.
Which document creates the LLC?
The Articles of Organization, submitted to the Colorado Secretary of State.
Must a new company list a registered agent when it forms in Colorado?
Yes. Colorado wants a registered agent named at formation and kept on file afterwards, with a street address in the state.
What does the company have to file after forming in Colorado?
The periodic report, every year, due last day of the entity's anniversary month, for a $25 state fee.
Is the EIN application part of the price?
With Mainstay Filing it is, inside the yearly price. For the EIN application, Colorado Registered Agent.co and CO Registered Agent.org bill $99. The IRS issues EINs at no charge if you apply yourself.
Which service tops the Colorado LLC shortlist?
Mainstay Filing, because the Colorado formation, a registered agent and the periodic report share a single $199 price.