Setting Up a Business Partnership in Michigan (2026)
Reviewed by DocDraft Legal Team · Michigan · Last updated 2026-05-18
Going into business together in Michigan starts with the 1914 Uniform Partnership Act, which sets out when a partnership exists; section 449.31 sets out when it ends. Not required for Limited Partnerships. The sections below detail the Michigan formation rule, partner-authority default, LLP and LP filings, partnership tax return, and periodic report.
Key Considerations
Michigan governs partnerships under the 1914 Uniform Partnership Act. Michigan Uniform Partnership Act, codified at MCL Chapter 449 (Act 72 of 1917, sections 449.1 et seq.). Michigan retains the 1914 UPA framework (not RUPA). For general partnerships specifically, No state formation filing required. Statement of partnership authority may be filed under state UPA. (consult the state code)
After formation the partnership has periodic filings to keep up. State partnership return administered by the state revenue department. Federal counterpart: IRS Form 1065. (consult the state code) Not required for Limited Partnerships
If the partners want liability protection, the form matters. $100.00 $10.00
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Relevant Documents
The Michigan document set for setting up a business partnership, governed by Michigan Uniform Partnership Act, codified at MCL Chapter 449 (Act 72 of 1917, sections 449.1 et seq.). Michigan retains the 1914 UPA framework (not RUPA), is: the partnership agreement; the LLP registration filing, $100.00; the LP Certificate filing, $10.00; the state partnership tax return, State partnership return administered by the state revenue department. Federal counterpart: IRS Form 1065. (consult the state code); the periodic report to the Secretary of State, Not required for Limited Partnerships; and the wind-up authority, MCL section 449.31 (causes of dissolution)
Buy-Sell Agreement
A contract that outlines what happens to a partner's share of the business if they die, become disabled, retire, or wish to sell their interest in the partnership.
Partnership Agreement
A comprehensive contract that outlines the rights, responsibilities, and obligations of all partners, including profit sharing, decision-making authority, capital contributions, dispute resolution, and dissolution procedures.
Partnership Capital Contribution Agreement
A document that specifies the initial and ongoing capital contributions of each partner, including cash, property, services, or other assets.
Partnership Operating Procedures
An internal document that details day-to-day operations, management responsibilities, and standard procedures for the partnership business.
Relevant Laws
Michigan Uniform Partnership Act (MUPA)
This is the primary law governing partnerships in Michigan. It defines what constitutes a partnership, the rights and duties of partners, and how partnerships are formed and dissolved. Understanding this act is essential when setting up any partnership in Michigan.
Michigan Limited Partnership Act
If you're considering a limited partnership structure, this act governs the formation and operation of limited partnerships in Michigan. It outlines the differences between general and limited partners, including liability protections for limited partners.
Michigan Limited Liability Partnership Act
This law allows partnerships to register as Limited Liability Partnerships (LLPs), which can provide liability protection for all partners. This is particularly relevant for professional service businesses like law firms or accounting practices.
Michigan Business Tax Act
This act outlines the tax obligations for businesses operating in Michigan, including partnerships. Understanding the tax implications of your partnership structure is crucial for compliance and financial planning.
Michigan Department of Licensing and Regulatory Affairs (LARA) Requirements
While not a specific law, LARA administers business filings in Michigan. Partnerships must file the appropriate documents with LARA, including certificates of partnership for limited partnerships and statements of qualification for LLPs.
Regional Variances
Southeast Michigan
Detroit has additional business licensing requirements for partnerships. Partnerships operating in Detroit must register with the city's Business License Center and may be subject to specific zoning regulations depending on the business type. The city also has a 2% city income tax that applies to business income for partnerships with operations in Detroit.
Oakland County offers the Oakland County One Stop Shop Business Center which provides specialized resources for partnerships. They offer more streamlined filing processes and dedicated business counseling services that can help with partnership formation and compliance requirements.
Western Michigan
Grand Rapids has specific local ordinances affecting partnerships, particularly those in certain industries like food service, retail, and professional services. The city requires partnerships to obtain a business license through the city clerk's office, which is separate from state-level registration requirements.
Kent County offers tax incentives for partnerships establishing in designated development zones. Partnerships may qualify for property tax abatements and other local incentives not available in other counties.
Northern Michigan
Partnerships in Traverse City, especially those in tourism or agricultural industries, may be subject to seasonal business regulations. The city also has specific signage and storefront requirements that partnerships must comply with, which are more stringent than state regulations.
Partnerships operating in Marquette County's rural areas may qualify for special rural business development grants and assistance programs. The county also has simplified filing procedures for small partnerships with revenues under certain thresholds.
Suggested Compliance Checklist
Verify that the arrangement meets the statutory definition of a partnership in Michigan
Before formation days after startingMichigan Uniform Partnership Act, codified at MCL Chapter 449 (Act 72 of 1917, sections 449.1 et seq.). Michigan retains the 1914 UPA framework (not RUPA).
Address each partner's authority to bind the partnership
During drafting days after startingBy default in Michigan: MCL section 449.9 (partner as agent).
Register the entity if liability protection is wanted
At formation days after starting$100.00 $10.00
Set up the state tax-filing cadence
After formation days after startingState partnership return administered by the state revenue department. Federal counterpart: IRS Form 1065. (consult the state code)
Map out how the partnership ends
Ongoing days after startingMCL section 449.31 (causes of dissolution).
Add the periodic report to the entity-maintenance calendar
During drafting days after startingNot required for Limited Partnerships
Keep the partnership agreement, statements, and filings together
Ongoing days after startingMaintain a single record set for the partnership agreement, any Statement of Authority, the SOS filings, EIN paperwork, and the annual report and tax filings.
| Task | Description | Document | Days after starting |
|---|---|---|---|
| Verify that the arrangement meets the statutory definition of a partnership in Michigan | Michigan Uniform Partnership Act, codified at MCL Chapter 449 (Act 72 of 1917, sections 449.1 et seq.). Michigan retains the 1914 UPA framework (not RUPA). | - | Before formation |
| Address each partner's authority to bind the partnership | By default in Michigan: MCL section 449.9 (partner as agent). | partnership-agreement | During drafting |
| Register the entity if liability protection is wanted | $100.00 $10.00 | - | At formation |
| Set up the state tax-filing cadence | State partnership return administered by the state revenue department. Federal counterpart: IRS Form 1065. (consult the state code) | - | After formation |
| Map out how the partnership ends | MCL section 449.31 (causes of dissolution). | - | Ongoing |
| Add the periodic report to the entity-maintenance calendar | Not required for Limited Partnerships | - | During drafting |
| Keep the partnership agreement, statements, and filings together | Maintain a single record set for the partnership agreement, any Statement of Authority, the SOS filings, EIN paperwork, and the annual report and tax filings. | partnership-agreement | Ongoing |
Frequently Asked Questions
On a recurring basis in Michigan, a partnership has two cost lines. State tax: State partnership return administered by the state revenue department. Federal counterpart: IRS Form 1065. (consult the state code) Periodic report: Not required for Limited Partnerships When the partnership eventually winds up, the controlling statute is MCL section 449.31 (causes of dissolution).
Forming a general partnership in Michigan has no state filing fee because no state filing is required to create one under the state partnership act (Michigan Uniform Partnership Act, codified at MCL Chapter 449 (Act 72 of 1917, sections 449.1 et seq.). Michigan retains the 1914 UPA framework (not RUPA).). Registering an LLP or LP, however, does. LLP registration: $100.00 LP Certificate: $10.00
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