The short version
- A general partnership forms automatically when two or more people carry on a business together for profit — Delaware's statute says so "whether or not the persons intend to form a partnership". No filing, no signature, no intention required.
- The default split is equal profits regardless of who put in the money, no salary for the partner doing the work, and equal management rights however unequal the workload.
- Partners are jointly and severally liable for the firm's obligations. Any partner acting in the ordinary course binds all of them, and no internal agreement between partners changes what a creditor can do.
- In a partnership at will, any partner can dissolve the firm by giving notice. If nothing in writing says otherwise, that is the exit clause you have.
This post uses Delaware's partnership statute for its examples, because it is a clean enactment of the Revised Uniform Partnership Act and is available in full online. States that adopted the same uniform act read very similarly. Section numbers and details vary, and England and Wales run on an older statute of their own, so treat the shape of the rules as general and the wording as Delaware's.
A partnership can form without anyone agreeing to one
This is the fact that catches people. Under Delaware's section 15-202, "the association of 2 or more persons to carry on as co-owners a business for profit forms a partnership, whether or not the persons intend to form a partnership." There is no form to file and no document to sign. Two people who start selling something together and split the proceeds have a partnership, in the same way two people who start living together have a tenancy.
The statute also runs a presumption in the other direction: a person receiving a share of the profits of a business is presumed to be a partner in it, unless the payment falls into a listed exception — repayment of a debt, wages or contractor fees, rent, retirement or health benefits, interest on a loan, or the price of goodwill on a sale of the business. Sharing gross returns alone does not make a partnership; sharing profits very nearly does.
The agreement you think you have, against the one the statute gives you
What partners assume
- I put in 80% of the capital, so I take 80% of the profit
- I work here full time, so I draw a salary first
- Anything big needs both of us to agree
- If it stops working, we wind it down together
What the default statute delivers
- Equal share of profits, whatever the capital accounts say
- No remuneration for services — only a profit share
- Either partner alone can bind the firm in the ordinary course
- Either partner can dissolve a partnership at will by notice
On every point you did not write down, the right-hand column is the agreement you actually made.
The default rules that surprise people most
| The default | What it means in practice | What an agreement usually says instead |
|---|---|---|
| Equal share of profits | Capital contributions are irrelevant to the split unless you say so | Profits split by agreed percentages, or by a stated formula |
| Losses follow profits | A partner with a 50% profit share carries 50% of the losses | Same, or loss allocation capped at capital contributed |
| No remuneration for services | The partner running the business full time takes no salary as of right | A stated salary or drawing, taken before profit allocation |
| Equal rights in management | A 5% partner and a 95% partner have one vote each | Votes weighted by interest, with reserved matters listed |
| Ordinary matters by majority, everything else unanimous | Any act outside the ordinary course needs every partner's consent | A defined list of reserved matters requiring unanimity |
| No new partner without unanimous consent | One partner can block any admission, permanently | An admission process with a stated majority |
None of these rules is unreasonable as a starting point. The problem is that they are a starting point designed for two equal partners contributing equally, and almost no real partnership is that. The partner who financed the business and the partner who runs it both have a good argument that the default treats them badly, and they are both right.
Joint and several liability is the part an agreement cannot fix
Two provisions work together here. Each partner is an agent of the partnership, so an act by any partner "for apparently carrying on in the ordinary course the partnership's business" binds the firm — unless that partner had no authority and the person they were dealing with knew it. And under section 15-306, "all partners are liable jointly and severally for all obligations of the partnership."
Read together: your partner can sign the firm up to something without asking you, and the creditor can then come after you personally for the whole of it, not for your share. Not your investment. You.
There is a procedural cushion but it is thinner than it sounds. A judgment against the partnership "is not by itself a judgment against a partner", and a creditor generally has to obtain a judgment against the firm and have execution returned unsatisfied before levying on a partner's own assets — with exceptions where the partnership is bankrupt, the partner consents, or a court decides partnership assets are plainly insufficient. That orders the queue. It does not shorten it.
If personal exposure is the concern, the answer is a different entity rather than a better agreement. A limited liability company, a limited liability partnership or a corporation each put a separate legal person between the business's creditors and your own assets. Delaware's own statute makes the point: an obligation incurred while the partnership is a limited liability partnership is "solely the obligation of the partnership". If you go the LLC route, the equivalent internal rulebook is the operating agreement, and the same lesson applies — the defaults govern until you displace them.
Read the full partnership agreement template
The complete text, free — contributions, profit and loss allocation, management and voting, admission and withdrawal, dissolution. Copy it or download PDF or Word.
Any partner can end it by saying so
In a partnership at will — that is, one with no agreed term or defined undertaking — the firm dissolves on notice from a partner of their express will to withdraw, taking effect on receipt of the notice or on a later date named in it. There is no notice period to serve and no buy-out mechanism to follow, because you never agreed one.
One email, and what happens next with and without an agreement
Notice given
A partner states their will to withdraw
Effective on receipt, or on a later date named in it. No notice period to serve, because none was ever agreed.
Default path
Winding up
Assets realised, creditors paid, and the profits and losses of liquidation credited and charged to the partners' accounts.
With an agreement
Valuation, not liquidation
A stated notice period, an agreed valuation method, and a right for the remaining partners to buy the leaver out.
And payment terms
Instalments, not a lump sum
So the business is not forced to sell itself in order to fund somebody else's exit.
Tax does not wait for the paperwork
A partnership does not pay income tax itself in the US. It passes profits and losses through to the partners, files an information return on Form 1065, and gives each partner a Schedule K-1 showing their share. Partners then report that share on their own returns, and self-employment tax arrives with it.
What the agreement actually has to decide
The clauses that earn their place
- Capital: who contributes what, in money, property or work, and whether more can be called for later.
- Profit and loss allocation, stated as percentages or a formula — and whether it matches the capital split or deliberately does not.
- Drawings and salaries: who is paid for working in the business, how much, and ahead of what.
- Decision-making: what a majority decides, and the reserved matters that need everyone.
- Authority limits: the value above which one partner may not commit the firm alone.
- Roles and time commitment, written down, so "full time" is not a matter of recollection.
- Admission of new partners, and whether an existing partner may transfer their interest.
- Exit: notice period, valuation method, payment terms, and what happens to clients and IP.
- Death, incapacity and insolvency of a partner — the three events nobody wants to draft for.
- Non-compete and non-solicit on departure, drawn narrowly enough to be worth having.
- Deadlock: what happens on a two-partner split vote, before it becomes a dispute.
- Dispute resolution: escalation, then mediation, then a named forum.
The valuation method is the one to argue about now. Agreeing "fair market value as determined by an independent valuer" in year one takes ten minutes; agreeing it in year six, when one partner is leaving and both know roughly what the number should be, takes lawyers.
Whether a partnership is the right shape at all
A general partnership is the cheapest structure and the one with the most personal downside. Before defaulting to it, be clear about what you actually need. If the collaboration is one project rather than one business, a contract or a joint venture fits better, and a joint venture agreement leaves both firms independent. If you want pass-through tax treatment without the personal liability, an LLC or an LLP does that. If you want outside investment, investors will generally want shares in a company.
The one option that is not on the table is doing nothing. Doing nothing is choosing the general partnership with the default terms — which is the only version of this arrangement where nobody has read the agreement they are bound by.
Sources
General information, not legal advice. This guide explains how these documents and rules generally work. Law varies by jurisdiction and changes, and none of it is applied to your circumstances here. For anything consequential, consult a licensed attorney where you are.
Frequently asked
Is a partnership agreement legally required?
No. A general partnership exists as soon as two or more people carry on a business together for profit, with no document and no filing. What the agreement does is displace the statutory defaults — equal profit shares, no salaries, equal votes, dissolution on notice — with terms the partners actually chose. Without one, those defaults are the agreement, and they apply in full.
What happens if partners disagree about the profit split?
Absent a written allocation, the statute splits profits equally between partners regardless of who contributed capital, time or clients. Contemporaneous evidence of a different agreement — emails, accounts consistently prepared on another basis, a course of dealing — can be argued, but it is a factual fight you may lose. A one-page written allocation avoids it entirely.
Am I liable for debts my business partner ran up without telling me?
Generally yes, if the partner was apparently carrying on the firm's ordinary business and the other side did not know they lacked authority. Partners are jointly and severally liable for partnership obligations, meaning a creditor can pursue any one partner for the whole amount. An internal indemnity between partners does not bind the creditor — it only gives you a claim against your partner afterwards.
Can one partner force the partnership to close?
In a partnership at will, yes. Notice of a partner's express will to withdraw dissolves the firm, on receipt or on a later stated date, and a winding-up follows. That is precisely what a written agreement fixes: a notice period, a valuation mechanism and a buy-out right let the remaining partners continue the business instead of liquidating it.
Should we form an LLC instead of a partnership?
If personal liability is the concern, yes — a general partnership offers none. An LLC or LLP keeps pass-through taxation while putting a separate legal person between business creditors and your own assets, at the cost of a state filing and annual formalities. The internal rulebook still has to be written; the document is just called an operating agreement rather than a partnership agreement.