Colorado at a glance
Partnership law
RUPA (revised)
LLC default split
Proportional to capital
Operating agreement
Not required
Community property
No
Formation cost
$50
Annual cost
$10 annual report fee
Colorado has one of the lowest annual report fees in the country at just $10 per year. Combined with a $50 formation cost, it is one of the most affordable states for LLC formation and maintenance. The state uses a simple online filing system.
Default partnership rules in Colorado
Colorado adopted RUPA, treating partnerships as separate entities with equal profit sharing by default. Partners have equal management rights and owe fiduciary duties of loyalty and care. A partner can bind the partnership in ordinary business matters. The partnership can own property in its own name. These defaults apply unless a partnership agreement provides otherwise.
The most important takeaway: profits are split equally by default in Colorado, regardless of capital contributions. If you and a partner start a business and one of you invests $100,000 while the other invests $5,000, you still split profits 50/50 without a written agreement. This is true in every US state, including Colorado.
LLC defaults in Colorado
Colorado allocates LLC profits and losses in proportion to capital contributions by default. Members have equal management authority in a member-managed LLC. The state does not require an operating agreement. Colorado's annual report fee is just $10, making it one of the cheapest states for ongoing maintenance. The Colorado LLC Act provides standard protections including limited liability and pass-through taxation.
Colorado defaults to proportional distributions based on capital contributions, which aligns better with many founders' expectations than equal-split states. However, capital contributions alone rarely tell the full story. A founder contributing time and expertise may receive nothing if they didn't invest cash. An operating agreement can account for all types of contributions. Our equity calculator can help you determine a fair arrangement.
What happens when a partner leaves in Colorado
Under Colorado's RUPA, a partner's dissociation does not automatically dissolve the partnership. The partnership can continue, and the departing partner is entitled to a buyout at fair value. If the dissociation was wrongful, damages may offset the buyout amount. The remaining partners have the right to continue the business without interruption.
A written partnership agreement should still address departure terms specifically, including how the buyout value is calculated, the payment timeline, and any non-compete provisions. While RUPA provides a default framework, the details of a buyout can still lead to disputes if not spelled out in advance. Understanding the concept of dead equity is important for managing these situations. Learn more about how dead equity affects businesses.
Marriage and business equity in Colorado
Colorado is an equitable distribution state. Business interests acquired during the marriage are generally marital property and are divided equitably in a divorce. The court considers many factors including the length of the marriage, each spouse's contributions, and the economic circumstances of each party. A business started before marriage may be partially marital property if it increased in value during the marriage.
Even though Colorado is not a community property state, marriage can still affect your business equity. In equitable distribution states, courts divide marital property based on what is fair, which may include business interests acquired or grown during the marriage. A clear equity agreement and proper documentation of ownership can help protect your business in the event of a divorce.
Formation and cost considerations in Colorado
| Formation cost | $50 |
| Annual/recurring cost | $10 annual report fee |
| State income tax | Yes |
| Partnership law | RUPA (revised) — partnership continues after departure |
| LLC default distributions | Proportional to capital contribution |
| Operating agreement | Not required (strongly recommended) |
Frequently asked questions
How much does it cost to maintain an LLC in Colorado?
Colorado has one of the lowest ongoing costs in the country. The annual report fee is just $10, and the initial formation fee is $50. There is no franchise tax or business privilege tax. Colorado LLCs that earn income do pay state income tax on their profits.
What is the default profit split for a Colorado LLC?
Colorado defaults to allocating LLC profits in proportion to capital contributions. If one member contributed 60% of the capital, they receive 60% of the profits. An operating agreement can change this to any arrangement the members agree on.
Do I need a partnership agreement in Colorado?
No law requires a written partnership agreement, but without one, Colorado's default RUPA rules apply. These defaults split profits equally regardless of investment amounts. A written agreement lets you customize profit sharing, management roles, and departure terms to match your actual arrangement.
How are partnerships taxed in Colorado?
Colorado partnerships are pass-through entities for tax purposes. The partnership files an informational return, but profits and losses flow through to each partner's individual tax return. Colorado imposes a flat state income tax rate on individual income, which includes partnership income.
Related resources
- Equity calculator: find a fair split for your business
- Does your small business need an equity agreement?
- Equity for small businesses: the complete guide
- Dead equity calculator: how much is yours costing you?
- Slicing Pie calculator
- What is an operating agreement?
- All 50 states: partnership and LLC default rules
Partnership laws in neighboring states
Disclaimer: This page provides general information about Colorado partnership and LLC default rules and is not legal advice. Laws change, and the information here may not reflect the most recent amendments. The formation costs and annual fees listed are approximate and may vary. Consult a qualified attorney licensed in Colorado for advice specific to your situation. Equity Matrix is a software tool for tracking contributions and calculating equity; it does not provide legal services.
Replace Colorado's defaults with a fair agreement.
Equity Matrix tracks contributions and calculates ownership automatically, so your agreement reflects what your team actually built together.