Business Partnership Agreements: What to Put in Writing Before You Start

Plenty of business partnerships start with a handshake and a shared vision, and plenty of them fall apart a few years later over something nobody thought to write down. Not because the partners were dishonest, but because they never agreed — explicitly, in writing — on what would happen if things changed. And things always change: one partner wants to work fewer hours, another wants to bring in a spouse, revenue grows faster than expected, or someone simply wants out. A written partnership agreement doesn't prevent disagreements. It gives you a way to resolve them before they become expensive or personal.

Why a Handshake Isn't Enough

Verbal agreements and general goodwill work fine when a business is small, profitable, and everyone is getting along. The trouble is that a partnership agreement is only tested during the moments when goodwill is running low — a dispute over money, a partner who wants to leave, a death or divorce that puts ownership in question. If the terms only exist in memory, each partner will remember them differently, and there's no reference point to settle the disagreement. A written agreement is insurance you hope you never need to file a claim on.

Ownership Percentages and What They Actually Control

Ownership percentage isn't just about who gets what share of the profits. It typically also determines voting power, control over major decisions, and what happens to each partner's stake if the business is sold. Spell out not just the initial percentages, but how they might change over time — if one partner puts in more capital later, if a partner's role shrinks, or if a new partner is added. Vague ownership terms are one of the most common sources of partner disputes.

Roles, Responsibilities, and Decision-Making Authority

Two partners rarely contribute identically to a business, and pretending otherwise creates resentment. Put in writing who is responsible for what — sales, operations, finances, hiring — and just as importantly, which decisions require both partners' sign-off versus which one partner can make alone. Common categories worth addressing include:

  • Day-to-day operating decisions: usually delegated to whichever partner owns that function.
  • Major financial commitments: loans, large purchases, or new debt above an agreed threshold.
  • Bringing on new partners or investors: almost always requires unanimous consent.

How Profits, Losses, and Draws Are Handled

Ownership percentage and profit split don't have to be identical, though they often are. Decide explicitly how and when profits get distributed, whether partners can take draws against future earnings, and how losses are allocated for tax purposes. Also address what happens if the business needs more capital — are partners required to contribute more, and in what proportion, or is that optional?

The Exit Clause: Planning for the Partner Who Leaves

Every partnership agreement needs a buy-sell provision, even though it's the section partners are most tempted to skip. It should answer: What happens if a partner wants to leave voluntarily? What if a partner dies, becomes disabled, or gets divorced? What if a partner wants to sell their stake to an outside party? Without clear buyout terms and a method for valuing the business, a partner's exit can turn into a costly negotiation or even a forced sale of the company to settle the dispute.

Dispute Resolution Before You Need It

Decide in advance how disagreements will be handled — mediation, arbitration, or a defined decision-making tiebreaker — rather than leaving it to whatever a court decides after the relationship has already broken down. Some partnerships build in a simple rule: if two partners deadlock on a decision, a neutral third party or a predetermined process resolves it. Having this in place before a real dispute arises keeps disagreements from immediately escalating into litigation.

Put It in Writing, Even Between Friends and Family

The partnerships most likely to skip a formal agreement are the ones between friends, siblings, or spouses — precisely because the relationship feels solid enough not to need one. In practice, these are often the hardest disputes to untangle later, because business disagreements get tangled up with personal relationships. A written agreement, drafted with the help of an attorney familiar with partnerships in your state, protects both the business and the relationship by making expectations explicit from day one.

Comments