Colorado LLC Requirements

Updated for 2026 · Official Secretary of State Website

Colorado combines low formation costs with a streamlined digital filing process, making it one of the easiest states to start an LLC. The $50 filing fee and $25 annual report keep costs minimal, while the 5-month filing window for periodic reports offers flexibility. Colorado's booming economy, especially in tech and outdoor recreation, attracts a high number of new business formations each year.

Filing Fee

$50

One-time state fee

Annual Fee

$25

Per year

Processing

Immediate

Online filing

Deadline

Anniversary month (5-month window)

Annual report due

Below Average Cost

Colorado's $50 filing fee and $25 annual report are both well below national averages, making it one of the most affordable states for LLC formation and maintenance.

Notable Facts About Colorado LLCs

Colorado requires all business filings to be submitted electronically — no paper option
The periodic report has a generous 5-month filing window around your anniversary month
Colorado consistently ranks among the top states for new business startups per capita
Online filings receive immediate confirmation and processing

Tax Information for Colorado LLCs

Colorado has a flat 4.4% state income tax rate. LLCs taxed as pass-through entities pay tax at individual rates. There is no franchise tax or separate business entity tax. Some local jurisdictions impose additional business taxes.

Formation Steps

1

Choose a Name for Your LLC
Select a unique business name that complies with Colorado naming requirements. The name must include "LLC" or "Limited Liability Company" and cannot be the same as an existing registered business in Colorado.
2

Appoint a Registered Agent
Designate a registered agent with a physical address in Colorado who can receive legal documents and official correspondence on behalf of your LLC.
3

File Articles of Organization
Submit your Articles of Organization (also called a Certificate of Formation in some states) to the Colorado Secretary of State. This is the official document that creates your LLC.
4

Create an Operating Agreement
Draft an operating agreement that outlines ownership percentages, member roles, profit distribution, and management structure of your LLC. While not always legally required, it is strongly recommended.
5

Get an EIN from the IRS
Apply for a free Employer Identification Number (EIN) from the IRS. You'll need this for opening a business bank account, hiring employees, and filing taxes.
6

Open a Business Bank Account
Open a dedicated business bank account to keep your personal and business finances separate. This helps maintain your LLC's liability protection.
7

File Annual Reports
Colorado requires periodic reports due by Anniversary month (5-month window). The filing fee is $25. Mark your calendar to avoid late fees or administrative dissolution.

Visit Official SOS Website

Annual Report Details

Fee: $25

Deadline: Anniversary month (5-month window)

Periodic Report may be filed starting 2 months before the entity's Periodic Report Month through 2 months after, creating a 5-month filing window.

Called 'Periodic Report'. Must be filed electronically; no paper option.

Need a Registered Agent in Colorado?

Every Colorado LLC must have a registered agent with a physical address in the state. A registered agent service ensures you never miss important legal documents or compliance deadlines.

Compare Registered Agent Services

Frequently Asked Questions

How much does it cost to form an LLC in Colorado?

The state filing fee to form an LLC in Colorado is $50 for the Articles of Organization. This cost is below average compared to other states. Additional costs may include a registered agent service ($50-$300/year) and an operating agreement if you hire an attorney.

What is the annual cost of an LLC in Colorado?

Colorado charges $25 for its periodic reporting requirement, due Anniversary month (5-month window). Called 'Periodic Report'. Must be filed electronically; no paper option. Colorado's $50 filing fee and $25 annual report are both well below national averages, making it one of the most affordable states for LLC formation and maintenance.

How long does it take to form an LLC in Colorado?

Online filing in Colorado typically takes Immediate. You'll need to file Articles of Organization with the state. Processing times may vary based on filing volume and the time of year.

Do I need a registered agent in Colorado?

Yes, Colorado requires every LLC to have a registered agent with a physical street address in the state. The registered agent receives legal documents, tax notices, and official government correspondence on behalf of your LLC.

What taxes does a Colorado LLC pay?

Does Colorado require an operating agreement for LLCs?

While not all states legally require an operating agreement, it is strongly recommended for every LLC in Colorado. An operating agreement defines ownership structure, member roles, and how the business will be managed. Without one, your LLC will be governed by Colorado's default LLC laws.