It generally starts out the same way: Two people, one great idea, and a spark of energy that would make the energizer bunny seem retired. There is absolute certainty that this time, it’s going to be different. Famous last words… right?
Maybe it’s your college roommate or your brother-in-law. You know the one who always has a brilliant plan at Thanksgiving dinner and finally talked you into getting behind one. It could also be your best friend of twenty years. That one person you trust more than almost anyone on the planet. The conversation goes something like:
“Let’s just do this together. Fifty-fifty. We’ll figure out the details later.”
And in that moment, “we’ll figure out the details later” sounds completely reasonable. Because the energy is real, the idea is solid, and the last thing anyone wants to do when excitement is running this hot is slow down to talk about what happens if things go wrong.
Good Intentions Isn’t Enough
Here’s what I’ve learned after decades of sitting across from business owners: “later” has a way of arriving at the worst possible time. Not when things are going well — but when money gets tight, when roles blur, when one partner starts carrying more weight than the other, when a family member needs a loan from the business and the other partner finds out about it secondhand. That’s when “we’ll figure it out later” turns into a conversation nobody is ready to have.
I’ve watched partnerships dissolve friendships that survived college, cross-country moves, and divorce. Anything and everything that can go wrong in these situations seem to do so. Brothers that stop speaking over a disagreement about how to split a $40,000 distribution. I’ve seen a husband and wife build something genuinely remarkable together and then nearly lose it — not to a bad market or a difficult client, but to a partnership agreement that never existed in the first place.
The tax mess that follows a broken partnership is real, complicated, and expensive. But honestly? It’s not even the worst part.
What a Partnership Actually Is (And Why Most People Don’t Know)
Before we get into what goes wrong, let’s make sure we’re clear on what a partnership actually is from a legal and tax standpoint — because most people who are in one couldn’t tell you.
A general partnership is formed the moment two or more people go into business together for profit. There is really no paperwork required. Not even a filing at the state level or a formal agreement. The handshake in your kitchen is enough for the IRS (and the law) to consider you partners. That might sound like a feature. It is absolutely a bug.
From a tax perspective, a partnership is what the IRS calls a pass-through entity. The business itself doesn’t pay income tax. Instead, the partnership files an informational return — Form 1065 — and each partner receives a Schedule K-1 that reports their share of the income, losses, deductions, and credits. That K-1 then flows onto each partner’s personal tax return, where they pay tax on their share of the income — whether the business actually distributed that money to them or not.
Read that last part again. You can owe tax on income you never received. If the partnership made money and reinvested it all back into the business, you still owe your share of the tax. Out of your own pocket. For income sitting in a bank account you can’t touch without your partner’s agreement.
That situation — which I’ve seen create genuine financial hardship for otherwise successful people — is one of the most common surprises that comes out of a partnership that was never properly structured.
The Tax Mess Nobody Warned You About
When a partnership is humming along and both partners are aligned, the tax compliance side is manageable. There’s a Form 1065 to file every year, K-1s to distribute to each partner, and self-employment tax to navigate on each partner’s personal return. It’s not simple, but it’s workable.
When a partnership starts to fracture — and plenty of them do — the tax situation becomes something else entirely.
Here’s what the breakup actually looks like from a compliance standpoint. The partnership has to file a final Form 1065 for the year it dissolves. Assets have to be valued and distributed. If one partner buys out the other, the transaction triggers capital gains consequences that depend entirely on the outside basis each partner held in the partnership — a number most partners couldn’t tell you off the top of their head because nobody ever explained it to them. Goodwill, accounts receivable, equipment, and inventory are all treated differently in a liquidation. Hot assets — ordinary income assets like receivables and depreciation recapture — get taxed at ordinary income rates even in what looks like a capital transaction.
And if the partnership went years without filing a Form 1065? The IRS charges a penalty of $245 per partner per month for failure to file, up to twelve months, under IRC Section 6698. For two partners over twelve months, that’s nearly $6,000 in penalties before anyone even looks at whether the income was reported correctly. For a partnership that ran informally for five years without filing? Do that math.
I’ve cleaned up several of these situations, and I’ll tell you this plainly: the cost of unwinding a poorly structured partnership almost always exceeds what it would have cost to set it up correctly at the beginning. Usually by a significant margin.
The Friendship Tax
The financial damage is real. But the part that stays with me — the part I think about when someone comes in and tells me they’re going into business with their best friend — is the relationship damage.
Because money has a way of exposing things that were always there but never tested. People change once there is risk involved. Some have different risk tolerances whole other differ in terms of work ethics. Partners have different ideas about what the business is for. One partner wants to grow aggressively, the other wants to stay small and keep the lifestyle manageable while one partner is reinvesting everything. The third, and supposedly “silent” partner, needs distributions to cover personal expenses and a nasty divorce. You can see it crumbling at its core already… partner #1 is putting in sixty hours a week while partner #2 does very little and is still collecting the same fifty percent of the profits.
The seams are holding for now. But anyone who’s spent time on the water knows that “holding for now” is not the same as seaworthy.
None of these tensions are unusual. Every partnership faces some version of them. The difference between the ones that survive and the ones that don’t usually comes down to whether those conversations were built into the structure from the start — or whether they’re being had for the first time in a conference room with two attorneys and a lot of unresolved resentment.
Have The Difficult Conversation Now – Document For Later
Nothing has materialized yet. Not a single sale, not a single invoice, not a single dollar. And I already know what you’re thinking — we’ll cross that bridge when we come to it. I’ve heard that line a thousand times and seen what’s waiting on the other side of that bridge when nobody planned for it.
I’ve had clients tell me afterward that they wish someone had forced the hard conversation before the business started. Not to be pessimistic — but because having it early, when everyone is aligned and optimistic, is infinitely easier than having it when money is on the table and feelings are already hurt.
This is also where family dynamics make everything harder. In a friendship, a falling out is painful. In a family, it follows you to every holiday dinner for the rest of your life. I’ve seen siblings not speak for years over disputes that started with a business disagreement and became something much more personal. The tax situation gets resolved eventually. The family reunion never quite goes back to normal.
What a Properly Structured Partnership Actually Looks Like
None of this means partnerships are a bad idea. Some of the most successful businesses I’ve worked with are structured as partnerships or multi-member LLCs taxed as partnerships. The structure isn’t the problem. The lack of intentionality around the structure is the problem.
Here’s what doing it correctly from day one actually looks like.
Step One
The first essential piece is a partnership agreement (or, if you’re operating as a multi-member LLC, an operating agreement) that addresses the things nobody wants to talk about when everyone is excited. How are profits and losses allocated? How are distributions decided and when? What happens if one partner wants to exit? Or when one partner dies or becomes incapacitated? What is the process for resolving disputes? How does each partner’s new role look like if there is a life altering change? How are major decisions made, and what requires unanimous consent versus majority? These aren’t hypotheticals. They are the exact questions that destroy partnerships when they don’t have predetermined answers.
Step Two
The second piece is understanding how income allocation actually works under the tax code. Partners can agree to split income and losses in any way they choose — it doesn’t have to be proportional to ownership percentage — but those allocations must have what the IRS calls “substantial economic effect” under IRC Section 704(b). That’s a technical standard that basically means the allocation has to reflect genuine economic reality, not just be a tax-motivated number pulled out of thin air. Getting this wrong creates partnership audit risk and can result in the IRS reallocating income between partners in ways nobody anticipated.
Step Three
The third piece — and the one I encourage every partnership to evaluate seriously — is whether a partnership is actually the right structure at all. For many small businesses, a multi-member LLC taxed as a partnership is a reasonable starting point. But for businesses generating meaningful profit, an S-Corp structure often provides meaningful advantages in terms of self-employment tax savings, cleaner compensation structure, and a more defensible audit posture, as I’ve covered in several earlier articles on entity selection and S-Corp mechanics. The right answer depends on the specific numbers and the nature of the business — but the question deserves a real answer before the structure gets locked in.
The Conversation Worth Having Before You Sign Anything
If you’re reading this and you’re already in a partnership, I’m not here to alarm you. Plenty of partnerships are healthy, well-structured, and working exactly as they should. The question worth asking is whether yours has the foundation it needs to stay that way as the business grows and circumstances change.
If you’re considering going into business with someone — a friend, a family member, a trusted colleague — the best thing you can do before the first dollar changes hands is sit down and have the uncomfortable conversation. Not because you expect things to go wrong. Because having the plan in place means you never have to find out what happens when you don’t.
The people who skip that conversation aren’t naive. They’re optimistic, which is actually a quality I admire. They just need someone to remind them that optimism and documentation aren’t mutually exclusive. You can believe completely in the partnership and put the agreement in writing. In fact, the partners who believe in it the most are usually the ones most willing to commit it to paper.
Partnership Agreement = Piece Of Mind & Clarity
The agreement protects the relationship. The structure protects the business. And getting both right from the beginning means the only drama in your partnership is the kind that happens when the business is doing well and you’re negotiating over how much of the success to reinvest.
That’s a much better problem to have than the alternative — and the alternative has a way of showing up uninvited if you don’t plan for it.
Because at the end of the day, the best business partnerships aren’t built on trust alone. They’re built on trust, a written agreement, a clear tax structure, and the wisdom to have the hard conversations before the money makes them harder.
Welcome to the New Age of Accounting. Let’s begin.
P.S. If you found this article helpful, you’ll love my new book S-Corp Mastery: How Smart Business Owners Maximize Tax Savings & Build a Lasting Legacy. It’s now live and available in a sleek, easy-to-read PDF version. Grab your copy here
Chris is the Managing Partner at Weston Tax Associates, a best-selling author, and a renowned tax strategist. With over 20 years of expertise in tax and corporate finance, he simplifies complex tax concepts into actionable strategies that drive business growth. Originally from Sweden, he now lives in Florida with his wife and two sons.
