Colorado: quotes, best value first
Quotes ranked by reading; every price comes from a company page. State fees stay put whoever the agent is.
1. Mainstay Filing: best for a fifty-state agent
Top quote
$149/yr, then $149/yr
- Opening quote
- $149
- Renewal quote
- $149/yr
- Reading at year 3
- $447
For Colorado, Mainstay Filing gives the best value: $149 a year now and again wherever the company registers next.
The $150 premium over CO Registered Agent.org at year three buys coverage, and coverage decides this ranking.
Quote includes
- A street address located in the state
- Three government mailings a year, scanned free of charge
- Also serves nonprofits, corporations, LPs and LLPs
Reads well
- Year 1 $149, year 2 $149
- Valid in every state
Reads poorly
- A yearly gap of $50
- Covers the agent role only
2
2. CO Registered Agent.org: best for the smallest annual quote
Colorado focus
$99/yr, then $99/yr
- Opening quote
- $99
- Renewal quote
- $99/yr
- Reading at year 3
- $297
CO Registered Agent.org ranks second. Reading: $297 over three years for a company that stays put.
Quote includes
- An address in the state on record
- Served papers scanned to your account
Reads well
- Reads below Mainstay Filing each year
- $99 a year, no change at renewal
Reads poorly
- One-state service
- Periodic report stays on your list
3
3. Colorado Registered Agent.co: best for a second local quote
Colorado focus
$99/yr, then $99/yr
- Opening quote
- $99
- Renewal quote
- $99/yr
- Reading at year 3
- $297
Colorado Registered Agent.co ranks third. Reading: $297 over three years for a company that stays put.
Quote for quote, it ties CO Registered Agent.org.
Quote includes
- An address in the state on record
- Served papers scanned to your account
Reads well
- $99 a year, no change at renewal
- Reads below Mainstay Filing each year
Reads poorly
- One-state service
- Periodic report stays on your list
Year-by-year readings
Company prices from November 13, 2026, accumulated by year. Readings keep one order for ten years.
Cost calculator
Readings for 1 to 5 years. State fees are left out because they match on every quote.
Government side of the board, Colorado
Filing fee, plus the recurring report in years two and three, plus any minimum tax: that is the three-year state reading.
Notes on the order
Mainstay Filing read better than CO Registered Agent.org on filings handled per dollar, a 30% term.
CO Registered Agent.org costs less here, but coverage in all fifty states weighed more.
Colorado registered agent requirements, quoted from the source (Colorado Secretary of State)
Every LLC must name a registered agent with an in-state street address.
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. Governing rule: C.R.S. § 7-90-701.
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.
Quoted text: sos.state.co.us (logged October 2026) for the record
The state-fees-only case
With no service the agent line reads zero, provided you qualify, and the state charges the same. Services run $99 to $149 a year.
Colorado price questions, answered
What does a Colorado registered agent charge each year?
$99 to $149 a year across our quotes.
What do three years of agent service cost?
Year one plus two renewals reads $297 to $447.
Must a Colorado LLC keep a registered agent on record?
Yes. Every LLC must name a registered agent with an in-state street address.
Is the owner allowed to be the registered agent?
Yes, if the eligibility and address rules above are met.
What does the state bill the LLC every year?
The recurring line is the periodic report at $25 annually (last day of the entity's anniversary month).
When does one quote pass another in total cost?
No break-even inside ten years.
Which registered agent ranks best in Colorado?
Mainstay Filing ranks first. CO Registered Agent.org and Colorado Registered Agent.co follow.
Logged references
- Colorado Secretary of State traces to sos.state.co.us (August 2026).
- Colorado Secretary of State traces to sos.state.co.us (August 2026).
- Colorado yearly filing: Periodic report traces to coloradosos.gov (October 2026).
- Colorado report due date traces to colorado.public.law (August 2026).
- Colo traces to sos.state.co.us (August 2026).
- Colorado formation fee: Filing fee traces to coloradosos.gov (October 2026).
- Logged November 13, 2026: Mainstay Filing Colorado service page
- Logged November 13, 2026: CO Registered Agent.org pricing page
- Logged November 13, 2026: Colorado Registered Agent.co pricing page