The Colorado Registered Agent (2026): 6 Procedures and the 3 Best Agents
Mainstay Filing ($149 a year), Colorado Registered Agent.co ($99 a year) and CO Registered Agent.org ($99 a year) measured best, in that order, for appointing a registered agent in Colorado in 2026. 6 procedures document what Colorado requires of a registered agent, who may serve, which address passes and how the agent is recorded.
A person 18 or older whose home or usual place of business is in Colorado (since July 1, 2025 the person has to hold a Colorado driver's license or ID or otherwise verify residency), or a business entity in good standing with a usual place of business in Colorado. The agent has to consent. (C.R.S. § 7-90-701)
Procedure3
Procedure 3: Apply the address test
The address has to be a physical address in Colorado, either a home or a usual place of business. P.O. boxes are not accepted.
TipAll ranked services supply the Colorado office address.
Procedure4
Procedure 4: Act as agent or hire one
Eligible owners may name themselves, and the ranked agents charge $99 to $149 annually.
Procedure5
Procedure 5: Record the agent with the state
The Articles of Organization carries the agent's name and address; the Colorado Secretary of State also receives change filings from LLCs that replace their agent.
The periodic report measures $25 every year and falls due last day of the entity's anniversary month; notices about it are routed to the registered agent.
Method for the three-year state row: take the filing fee, add the reports due in years two and three, then add any yearly minimum tax. Service fees stay in their own rows.
How the Colorado results were ordered
Procedures the price performs decided first place in Colorado. It carries 28% of the reading, and the remainder comes from measured cost over three years, reading at year two, fit with the state protocol and price legibility.
One agent for any state defeated the one-state option.
Common questions
Does Colorado law require a registered agent for an LLC?
Yes. Every LLC must name a registered agent with an in-state street address.
Can I be my own registered agent?
Yes, if you pass the tests on who may serve and on the address, in procedures 2 and 3.
Can I change my registered agent later?
Yes. A switch requires a change filing at the Colorado Secretary of State (procedure 5).
What does a registered agent cost in Colorado?
Budget $99 to $149 a year.
What does the LLC pay the state each year?
The LLC files the periodic report for $25 every year.
Which registered agent would you choose?
Select Mainstay Filing: an agent at $149 a year that remains usable when the company adds states. Then Colorado Registered Agent.co and CO Registered Agent.org.