Two friends start a business together. They agree on the idea, split the work, and things go well — for a while. Then one partner starts working fewer hours. Or they disagree on whether to take on investors. Or one wants to sell and the other doesn't.
Without a partnership agreement, there's no written record of who owns what, who decides what, or what happens when partners disagree. The dispute that follows isn't just a business problem — it's a legal one, governed by state default rules that neither partner chose and neither may want.
Partnership disputes are among the most expensive and emotionally destructive legal conflicts in business. A written agreement won't prevent all disagreements, but it gives both partners a framework for resolving them without lawyers, courts, or a destroyed relationship.
What Happens Without a Partnership Agreement
When there's no written agreement, state law fills every gap. And state defaults rarely match what partners actually intended.
Equal profit splits regardless of contribution. Most states default to 50/50 profit distribution in a two-person partnership — even if one partner invested $200,000 and the other invested nothing. Even if one partner works 60 hours a week and the other works 10. The law doesn't care about fairness; it cares about what's written down.
Equal management authority. Every partner has equal say in every business decision. There's no hierarchy, no tiebreaker, and no distinction between the partner who handles operations and the partner who handles sales. A single disagreement can paralyze the business.
Dissolution on departure. In many states, when one partner leaves — voluntarily, involuntarily, or through death — the partnership legally dissolves. Assets must be liquidated and distributed. The remaining partner can't just continue operating. They have to wind down the business and start a new one, even if the departing partner's role was minor.
No non-compete protection. Without an agreement, a departing partner can immediately start a competing business, solicit your clients, and hire your employees. There's nothing stopping them — because there's no contract that says they can't.
A partnership agreement replaces every one of these defaults with terms the partners actually chose.
The Core Clauses Every Partnership Agreement Needs
1. Partner Contributions and Equity
This is where most disputes start, so get it right from the beginning.
Document every contribution:
- Capital contributions: Cash invested by each partner, with dates and amounts
- Property contributions: Equipment, intellectual property, real estate, vehicles — with agreed valuations
- Service contributions: Expertise, client relationships, sweat equity — with an agreed value or vesting schedule
- Future contribution obligations: Will partners be required to make additional capital contributions? Under what circumstances? What happens if one partner can't or won't contribute?
The equity split should reflect total contributions, not just cash. If one partner contributes $50,000 and the other contributes a proprietary technology platform valued at $50,000, a 50/50 split makes sense. If the valuations differ, the equity should differ.
For partnerships where one partner contributes capital and the other contributes labor, consider a vesting schedule for the labor partner. This protects the capital partner if the labor partner leaves early.
2. Profit and Loss Distribution
Profit splits don't have to match equity percentages — though they often do.
Common structures:
- Pro-rata: Profits distributed in proportion to equity (60/40 equity = 60/40 profits)
- Preferred return: The investing partner receives a fixed percentage return on their capital before remaining profits are split (e.g., 8% preferred return to Partner A, then 50/50 on the rest)
- Tiered: Different split ratios at different profit levels (first $100K split 70/30, above $100K split 50/50)
- Role-based draws: Partners take a fixed salary or draw for their work, with remaining profits split by equity
Whatever structure you choose, also address:
- How often profits are distributed (monthly, quarterly, annually)
- What percentage of profits is retained in the business (not distributed)
- How losses are allocated and whether partners must cover losses with personal funds
3. Management and Decision-Making
Define who can do what without asking permission.
Day-to-day decisions: Any partner can make routine business decisions (approving invoices, ordering supplies, scheduling) without consulting the other partners. Set a spending threshold — for example, any purchase under $5,000 doesn't require partner approval.
Major decisions requiring approval: List the actions that require unanimous or supermajority vote:
- Taking on debt or signing loans
- Purchases or commitments above the spending threshold
- Hiring or firing employees
- Entering contracts above a defined value
- Adding new partners or selling equity
- Changing the business structure
- Selling, merging, or dissolving the business
Deadlock resolution: In a two-person partnership, every vote is either unanimous or deadlocked. Plan for deadlock before it happens:
- Mediation first: A neutral third party helps the partners find agreement
- Binding arbitration: If mediation fails, an arbitrator makes the decision
- Buy-sell trigger: Either partner can trigger a buyout process (sometimes called a "Texas shootout" or "shotgun clause")
- Trusted advisor tiebreaker: A pre-agreed third party (attorney, accountant, mentor) casts the deciding vote
4. Partner Roles and Responsibilities
Informal role divisions work until they don't. Put them in writing.
For each partner, define:
- Primary responsibilities (operations, sales, finance, product development)
- Time commitment (full-time, part-time, specific hours per week)
- Authority limits (what they can approve, sign, or commit to within their domain)
- Performance expectations (revenue targets, deliverable milestones, client retention)
Also address what happens when a partner isn't meeting their obligations. A partner who stops showing up but retains full equity creates resentment and dysfunction. The agreement should define what constitutes a breach of duties and what remedies are available — reduced profit share, mandatory buyout, or removal.
5. Exit and Buyout Provisions
Every partnership ends eventually. The question is whether it ends with a plan or a lawsuit.
Voluntary withdrawal: A partner wants to leave. The agreement should specify:
- Notice period (90–180 days is standard)
- How the departing partner's interest is valued
- Payment terms for the buyout (lump sum vs. installments over 12–36 months)
- Non-compete and non-solicitation obligations post-departure
Involuntary removal: The remaining partners want to remove a partner for cause (breach of agreement, criminal conduct, disability, bankruptcy). Define:
- What constitutes grounds for removal
- The voting threshold required
- Whether the removed partner receives fair market value or a discounted buyout
- The timeline for removal and transition
Death or disability: What happens to the partnership interest when a partner dies or becomes permanently disabled?
- Life insurance funded buyout: Partners carry life insurance policies on each other. The surviving partner uses the proceeds to buy the deceased partner's interest from their estate.
- Installment buyout from the estate: If insurance isn't in place, the surviving partner pays the estate over time.
- Right of first refusal: Before the estate can sell the interest to a third party, the surviving partner has the right to match any offer.
Valuation method: This is often the most contentious part of a buyout. Agree on the method in advance:
- Book value: Simple but often understates the business's true worth
- Fair market value: Most accurate but requires an independent appraisal (expensive and slow)
- Formula-based: A pre-agreed formula (e.g., 3x trailing twelve months revenue, or 5x EBITDA) provides certainty and speed
- Independent appraiser: Both partners agree to accept a third-party valuation
6. Non-Compete and Confidentiality
A departing partner knows everything about your business — clients, pricing, strategies, trade secrets. Without protective clauses, they can use all of it.
Non-compete: Prevents the departing partner from starting or joining a competing business for a defined period (typically 1–3 years) within a defined geographic area or market. Courts scrutinize non-competes for reasonableness — overly broad restrictions are struck down. Be specific about what "competing" means and keep the scope narrow enough to enforce.
Non-solicitation: Prevents the departing partner from soliciting your clients, employees, or vendors for a defined period. This is often easier to enforce than a non-compete because the scope is clearer.
Confidentiality: Obligations to protect business information survive the partnership indefinitely. This includes client lists, financial data, business strategies, and any information that gives the partnership a competitive advantage. See our confidentiality agreement guide for clause structures.
7. Dispute Resolution
Define the process before emotions are involved.
A tiered approach works best:
- Direct negotiation: Partners discuss the issue directly within 14 days
- Mediation: A neutral mediator helps find resolution within 30 days
- Binding arbitration: If mediation fails, an arbitrator makes a final decision
Arbitration is faster and more private than litigation, which matters when business reputation is at stake. Specify:
- The arbitration body (AAA, JAMS, or local equivalent)
- Location of arbitration
- Whether the arbitrator's decision can be appealed
- Who pays the costs (loser pays, split equally, or each bears their own)
Common Partnership Agreement Mistakes
Assuming a 50/50 split is fair. Equal doesn't mean equitable. If contributions, roles, or time commitments are unequal, the agreement should reflect that. A 50/50 split between a partner who works full-time and one who contributes capital but no labor will breed resentment.
No vesting on sweat equity. If one partner's contribution is labor (sweat equity), that equity should vest over time — typically 3–4 years. Without vesting, a partner could contribute three months of work, leave, and retain their full ownership stake.
Forgetting about taxes. Partnership income passes through to individual partners. The agreement should address tax-related distributions — ensuring partners receive enough cash to cover their tax obligations on partnership income, even in years when profits are retained in the business.
No buy-sell insurance. Without life insurance funding the buyout provision, a partner's death can force the surviving partner to liquidate the business to pay the estate. Key person life insurance is typically affordable and prevents this scenario entirely.
Oral amendments. "We talked about it and agreed to change things" won't hold up. Require all amendments to be in writing, signed by all partners. This prevents disputes about what was agreed and when.
Build Your Partnership Agreement
Starting a business with a partner is an act of trust. A written agreement doesn't diminish that trust — it protects it by giving both partners clarity on the terms they chose, not the defaults a court would impose.
Create your partnership agreement on Contract.DIY — with contribution structures, profit distribution, management authority, exit provisions, and all the clauses covered in this guide. Jurisdiction-aware and ready to sign.