Tax planning
Multi-Member LLC Taxes: How Partnerships Are Taxed, Who Files What, and the Self-Employment Trap
A multi-member LLC is taxed as a partnership by default — filing Form 1065 and issuing K-1s to each member. General partners (active members) pay self-employment tax on their distributive share. Here's how partnership taxation works and when an S-corp election makes sense.
Written by Matt Reese, CPA · 6 min read · Published April 2026·Share on LinkedIn
Key Takeaways
- A multi-member LLC is taxed as a partnership by default. It files Form 1065 (partnership return) and issues Schedule K-1 to each member. The LLC itself pays no income tax — income passes through to members.
- Active partners (general partners / managing members) pay self-employment tax on their distributive share of ordinary income, just like sole proprietors. This is the major tax difference from an S-corp, where only W-2 salary is FICA-taxed.
- Guaranteed payments — amounts the partnership pays a partner for services regardless of profitability — are treated as ordinary income AND self-employment income for the recipient.
- Partners can't be employees of a partnership for the services they perform as partners. There's no W-2 salary mechanism in a partnership — compensation is through guaranteed payments or profit distributions.
Partnership taxation basics
When two or more people own an LLC together and haven’t made a corporate election, the IRS automatically treats it as a partnership for tax purposes. A partnership is a pass-through entity:
- The LLC files Form 1065 (partnership return) — but pays no federal income tax
- Each member receives a Schedule K-1 showing their share of income, deductions, and credits
- Each member reports the K-1 items on their personal return and pays tax there
- Members pay tax on their distributive share of income — regardless of how much cash was actually distributed
Partners pay tax on their share of partnership income whether or not the money was distributed. Leaving profit in the LLC doesn’t defer tax — it creates phantom income. This is the same dynamic as S-corps.
The self-employment tax trap for active partners
The most significant difference between a partnership and an S-corp is the SE tax treatment. Active partners — those who participate in the management and operations of the LLC — pay self-employment tax on their full distributive share of ordinary income:
| Multi-member LLC (partnership) | LLC taxed as S-corp | |
|---|---|---|
| Tax on active members' income | 15.3% SE tax on all ordinary income | 15.3% FICA on W-2 salary only — not distributions |
| Compensation mechanism | Guaranteed payments + profit allocation | W-2 salary + distributions |
| W-2 wages | Not allowed for services as a partner | Required for owner-employees |
| Payroll requirements | None (partners aren't employees) | Owner must set up payroll for W-2 salary |
| Form filed | Form 1065 (due March 15) | Form 1120-S (due March 15) |
| K-1 issued | Form 1065 K-1 | Form 1120-S K-1 |
At what income does the S-corp election make sense for a multi-member LLC?
The SE tax disadvantage of a partnership structure becomes more expensive as income grows. The break-even point depends on the cost of S-corp compliance (payroll, corporate return), but generally:
At $300,000 combined income, the S-corp election saves $8,000–$12,000 net per year for a two-member LLC. The payroll requirement and corporate return cost are real, but the SE tax savings substantially exceed them. The election becomes worth it earlier with two active partners than with one.
The operating agreement: the foundational document
A multi-member LLC must have a clear operating agreement that governs:
- Ownership percentages: Who owns what percentage of the LLC
- Profit and loss allocation: How income and losses are split (doesn’t have to match ownership percentages, but must have substantial economic effect)
- Distribution timing: When distributions can be made and on what terms
- Management rights: Who has authority to make decisions, enter contracts, open accounts
- Transfer restrictions: Can members sell their interest? First right of refusal?
- Dissolution events: What happens if a member wants out, dies, or goes bankrupt
Without a written operating agreement, the default state LLC law governs — which may not reflect what the partners intended.
The buyout obligations described above — what happens when a member dies, becomes disabled, or wants out — are typically funded with buy-sell life and disability insurance owned by the partners or by the entity. Defining the obligation in the operating agreement without funding it usually means the surviving partner is taking on debt or being forced into a sale at the worst possible moment. How buy-sell life insurance funds the operating agreement covers the structure decisions.
Special allocations must have substantial economic effect
Basis in a partnership interest
Like S-corps, partnership losses can only be deducted to the extent of the partner’s basis. But partnership basis has an important difference: it includes the partner’s share of the partnership’s liabilities.
If a partnership has a $500,000 bank loan, each 50% partner has $250,000 of debt included in their basis — even though neither personally guaranteed the loan (if it’s nonrecourse). This at-risk amount allows partners to deduct losses beyond their equity investment, which is why real estate limited partnerships can generate large paper losses relative to cash invested.
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Sources & References
Frequently asked
Questions owners actually ask
- Does a multi-member LLC have to file a partnership return?
- Yes, unless it elects to be taxed as a corporation. By default, a multi-member LLC is treated as a partnership and must file Form 1065. The return is due March 15 (September 15 on extension). If the LLC has only passive activity, no guaranteed payments, and minimal activity, some take the position that no return is required — but this is risky and generally not advised. File the 1065.
- Can a multi-member LLC elect S-corp status?
- Yes — an LLC can file Form 2553 to be treated as an S-corp for federal tax purposes. This converts the entity from a default partnership to an S-corp, allowing the SE tax savings structure (W-2 salary + distributions). The requirements are the same as for any S-corp: must be a domestic corporation, no more than 100 shareholders, one class of membership interest, no ineligible shareholders. The election changes the tax treatment but not the state-law LLC structure.
- My business partner and I split everything 50/50. How does that work on our returns?
- Each partner includes their 50% share of the partnership's income, deductions, gains, losses, and credits on their own personal return via the K-1. If the LLC has $200,000 in ordinary income, each partner has $100,000 on their K-1. Each pays income tax and self-employment tax on that $100,000. The split doesn't have to be equal — it's determined by the partnership agreement.
- What are guaranteed payments and how are they taxed?
- Guaranteed payments are compensation paid to a partner for services (or capital) without regard to the partnership's income. They're the partnership's way of paying a partner a fixed amount before profit is allocated. The partnership deducts them as a business expense; the recipient partner reports them as ordinary income and self-employment income — taxed at both ordinary income rates and SE tax rates. Guaranteed payments appear in Box 4 of the K-1.
- What happens when we add a new partner or sell a partnership interest?
- Admitting a new partner requires a capital contribution (or services in exchange for a profits interest) and should be documented in an amendment to the operating agreement. Selling a partnership interest is generally a capital gain for the seller — though the Section 751 'hot asset' rules can convert some of the gain to ordinary income if the partnership has unrealized receivables or inventory. These transactions can be complex and usually warrant CPA involvement before execution.
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Educational content only.This article is for informational purposes and does not constitute tax, legal, or investment advice. Every owner’s facts are different; consult a qualified CPA and advisor before acting. Tax and accounting services are provided through Matt Reese, CPA; investment advisory services are provided through Measured Risk Portfolios, a registered investment adviser. Matt Reese, CPA and Measured Risk Portfolios are separate entities; clients are not required to engage both.