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Forming an LLC?

How to Start an LLC in Colorado

Forming an LLC in Colorado? Get expert help:

Benefits of Starting an LLC in Colorado

Colorado offers a business-friendly environment with some of the lowest LLC costs in the country. Here is what makes the state stand out for LLC formation.

$50 Filing Fee

Colorado’s articles of organization cost just $50, well below the national average, and filings are processed instantly online.

Series LLC Option

Colorado allows series LLCs, letting you create separate liability-protected divisions within a single entity without filing multiple LLCs.

Anonymous LLC Formation

Colorado supports anonymous LLCs, giving business owners an option to keep their personal information off public records.

$10 Annual Reports

Ongoing compliance costs are minimal, with Colorado’s periodic report costing just $10 per year.

Quick Facts About Colorado LLCs

State Filing Fee$50 (online only)
Processing TimeImmediate
Periodic Report$10/year
State Income TaxYes
Publication RequirementNone
Expedited ProcessingNot needed (filings are instant)

1Name Your Colorado LLC

Every Colorado LLC name must be distinguishable from any existing business entity on file with the Colorado Secretary of State. Your name must also include a designator such as “LLC,” “L.L.C.,” or “Limited Liability Company.”

Before you settle on a name, run a search using the Colorado business name search tool to confirm availability. The search is free and takes seconds.

If you find a name you like but are not ready to file, you can reserve it for 120 days for $25. This is optional, and many founders skip it because Colorado’s online filing is instant, so there is little risk of someone claiming your name between your search and your filing.

2Choose a Registered Agent in Colorado

Colorado requires every LLC to designate a registered agent who can accept legal documents and official correspondence on behalf of your business. Your registered agent must meet these requirements:

  • An individual who is a Colorado resident and at least 18 years old, OR a business entity authorized to operate in Colorado
  • Must have a physical street address in Colorado (P.O. boxes are not allowed)
  • Must be available during normal business hours to accept service of process

You have three main options:

  • Be your own registered agent. Free, but your personal address goes on the public record and you must be available at that address during business hours.
  • Ask a friend or family member. Also free, but the same availability and public record considerations apply.
  • Hire a professional registered agent service. Typically $50 to $300 per year. This keeps your home address off state filings, ensures reliable document handling, and is the best option if you value privacy. You can compare Colorado registered agent services to find the right fit.

Yes. Colorado law requires every LLC to maintain a registered agent with a physical address in the state. You can serve as your own registered agent, appoint someone you trust, or hire a professional service.

Our Pick for Registered Agent

Northwest Registered Agent

Northwest provides a Colorado street address, scans and forwards all legal documents, and shields your personal address from public filings.

Visit Northwest →$39 + state fee

We recommend Northwest for their transparent pricing, privacy-first approach, and responsive customer support.

3File Your Colorado Articles of Organization

Colorado exclusively accepts online filings for LLC formation. There is no paper or mail option. This is actually a benefit, since the filing is processed immediately after submission.

You will file your articles of organization through the Colorado Secretary of State’s online portal. The form will ask for:

  • Your LLC’s name
  • Your registered agent’s name and street address
  • The principal office address
  • Whether the LLC is member-managed or manager-managed
  • The name and address of at least one person forming the LLC
Filing Method Fee Processing
Online $50 Immediate

Once submitted and the $50 fee is paid, your LLC is active right away. You will receive a confirmation with your filing number, which serves as proof of formation.

If you would rather have a professional handle the filing for you, you can compare Colorado LLC formation services that will complete the process on your behalf.

Want someone to handle all this for you?

ZenBusiness

ZenBusiness prepares and files your Colorado articles of organization, handles compliance reminders, and gets you up and running without the paperwork.

Their free starter plan covers formation filing and a year of registered agent service, making it the most affordable hands-off option.

4Get an EIN for Your Colorado LLC

An EIN (Employer Identification Number) is a federal tax ID for your business. You need one to open a business bank account, hire employees, and file taxes. Apply for free directly on the IRS website. The online application takes about five minutes and you will receive your EIN immediately upon completion.

5Create a Colorado LLC Operating Agreement

Colorado does not legally require an operating agreement, but you should absolutely have one. This internal document defines how your LLC operates, including ownership percentages, profit distribution, voting rights, and what happens if a member leaves.

Without an operating agreement, Colorado’s default LLC statutes govern your business. Those defaults may not align with what you and your co-owners actually agreed to. Even single-member LLCs benefit from having one because it reinforces the legal separation between you and your business.

Your operating agreement should cover at a minimum:

  • Member ownership percentages and capital contributions
  • Profit and loss distribution
  • Management structure (member-managed vs. manager-managed)
  • Procedures for adding or removing members
  • Dissolution terms

It is not required by Colorado law, but it is strongly recommended. An operating agreement protects your limited liability status, prevents disputes, and ensures your LLC operates on your terms rather than state default rules.

6Open a Business Bank Account

Open a dedicated business bank account to keep your personal and business finances separate. This protects your limited liability status and simplifies bookkeeping. Bring your articles of organization confirmation, EIN, operating agreement, and a government-issued ID to the bank.

How Much Does a Colorado LLC Cost

Colorado is one of the most affordable states for forming and maintaining an LLC. Here is a full breakdown of what you can expect to pay.

Item Cost Frequency Notes
Articles of Organization (online) $50 One-time Online filing only; processed immediately
Name Reservation $25 One-time Optional; holds name for 120 days
Registered Agent $0 – $300 Annual Free if you serve yourself; $50-$300/year for a professional service
EIN $0 One-time Free from the IRS
Operating Agreement $0 – $200 One-time Free with a template; $100-$200 if using an attorney
Periodic Report $10 Annual Due within a 5-month window around your anniversary date
Certificate of Good Standing $0 As needed Free in Colorado

Articles of Organization (online)

$50 · One-timeOnline filing only; processed immediately

Name Reservation

$25 · One-timeOptional; holds name for 120 days

Registered Agent

$0 – $300 · AnnualFree if you serve yourself; $50-$300/year for a professional service

EIN

$0 · One-timeFree from the IRS

Operating Agreement

$0 – $200 · One-timeFree with a template; $100-$200 if using an attorney

Periodic Report

$10 · AnnualDue within a 5-month window around your anniversary date

Certificate of Good Standing

$0 · As neededFree in Colorado

How Does Colorado Compare

Colorado Filing Fee

$50

National Average

$127

Colorado’s $50 filing fee is significantly below the $127 national average. Combined with instant processing, $10 annual reports, and free certificates of good standing, Colorado is one of the cheapest states in the country to form and maintain an LLC.

Colorado LLC Taxes

State Income Tax

Colorado has a flat state income tax. LLCs themselves do not pay state income tax directly. Instead, profits pass through to the members’ personal tax returns, where they are taxed at the individual level. This applies to both single-member and multi-member LLCs under the default classification.

Default Federal Tax Classification

A single-member Colorado LLC is treated as a disregarded entity (taxed like a sole proprietorship). A multi-member LLC is taxed as a partnership. Both follow the federal default classification unless you elect to be taxed as an S-corp or C-corp by filing the appropriate IRS forms.

Franchise Tax

Colorado does not impose a franchise tax or privilege tax on LLCs. This is one less ongoing cost to worry about.

Sales Tax

Colorado’s state sales tax rate is 2.9%. However, many cities and counties add their own local sales taxes, which can push the effective rate significantly higher depending on where you operate. If your LLC sells taxable goods or services, you will need to register for a sales tax license with the Colorado Department of Revenue.

By default, a single-member Colorado LLC is taxed as a sole proprietorship and a multi-member LLC is taxed as a partnership. In both cases, profits pass through to members’ personal tax returns. There is no separate state-level entity tax or franchise tax on LLCs in Colorado.

After Forming Your Colorado LLC

Periodic Report

Colorado requires every LLC to file a periodic report each year. The report costs $10 and is filed online through the Colorado Secretary of State’s filing portal.

The deadline follows your LLC’s anniversary date, but Colorado gives you a generous five-month filing window. The window opens two months before your anniversary month and closes at the end of the second month after your anniversary month. For example, if you formed your LLC in June, your filing window runs from April 1 through August 31.

If you miss the window, Colorado charges a $50 late fee. If the report still is not filed after the late period, your LLC’s status changes to “Delinquent.” To restore good standing at that point, you must file a Statement Curing Delinquency and pay a $100 fee in addition to any outstanding report fees.

BOI Report

As of March 2025, FinCEN revised its Beneficial Ownership Information (BOI) reporting rule. Domestic LLCs are now exempt from BOI reporting requirements. Only companies formed outside the United States need to file.

Business Licenses

Colorado does not require a general state business license. However, your city or county may have its own licensing requirements, and certain industries (healthcare, construction, food service, etc.) require specific permits or professional licenses. Check with your local municipality and any relevant state licensing boards.

Yes. Colorado requires a periodic report filed annually. It costs $10 and must be filed online within a five-month window centered on your LLC’s formation anniversary month. Failing to file can result in late fees and eventual delinquent status.

Dissolving a Colorado LLC

If you decide to close your LLC, you need to formally dissolve it with the Colorado Secretary of State. Filing articles of dissolution costs $10 and is done online. Simply letting your LLC go delinquent does not dissolve it. You will continue accumulating fees and obligations until you officially file.

If your LLC has already fallen into delinquent status and you want to bring it back, reinstatement costs $100 plus all delinquent periodic report fees that accrued while the LLC was inactive.

A Colorado LLC does not automatically expire. It remains active as long as you file your periodic reports. If you stop filing, the LLC becomes delinquent but still exists. You must file articles of dissolution ($10) to formally close it.

Frequently Asked Questions

The only required cost is the $50 online filing fee for your articles of organization. Optional costs include a $25 name reservation, a registered agent service ($50 to $300 per year), and an operating agreement (free with a template, or $100 to $200 through an attorney). Ongoing, you will pay $10 per year for the periodic report.

Colorado processes LLC filings immediately. Once you submit your articles of organization and pay the $50 fee through the online portal, your LLC is active right away. There is no waiting period.

Yes. Colorado allows single-member LLCs. There is no requirement to have multiple owners. A single-member LLC is taxed as a disregarded entity (sole proprietorship) by default at the federal level.

Colorado is one of the best states for LLC formation. Filing costs just $50, processing is instant, annual reports are only $10, certificates of good standing are free, and the state offers both series LLCs and anonymous LLCs. There is no franchise tax and no publication requirement. For most business owners, forming in their home state of Colorado is the most practical and affordable choice.

The information on this page was last verified on February 15, 2026

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