Foreign-Owned Multi-Member LLC Tax Filing Requirements

When two or more non-US residents form an LLC together, the IRS rules completely change. You no longer worry about Form 5472. Instead, you enter the complex world of Partnership taxation and mandatory IRS withholding.

Updated May 2026 • 8 min read

Quick Answer

A foreign-owned Multi-Member LLC is taxed as a Partnership. The LLC must file an annual Partnership Return (Form 1065). Additionally, if the LLC generates US income, the LLC must withhold taxes on behalf of the foreign owners and submit Forms 8804 and 8805. Finally, each foreign owner must get an ITIN and file a personal non-resident tax return (Form 1040-NR).

Key Points for 2026

No Form 5472: Partnerships are exempt from the $25,000 penalty associated with Form 5472.
ITIN Requirement: Every foreign partner must obtain an ITIN, which can take months to process.
Withholding Tax: The IRS forces the LLC to withhold taxes at the maximum rate (37%) on a foreign partner's share of US income, before distributing the profits.

The Partnership Tax Process

Here is how a foreign-owned Multi-Member LLC files taxes in the US:

1. Form 1065 (The Partnership Return)

The LLC itself files Form 1065. This form reports the total revenue and expenses of the business. The LLC does not pay tax with this form; it just tells the IRS how much money was made.

2. Schedule K-1 (The Partner's Share)

As part of Form 1065, the LLC issues a Schedule K-1 to every partner. This document shows exactly how much profit (or loss) was allocated to that specific person based on their ownership percentage.

3. Forms 8804 and 8805 (The Withholding)

If the LLC generated Effectively Connected Income (ECI) in the US, the IRS requires the partnership to withhold tax on the foreign partners' share of that income. The LLC files Form 8804 (Annual Return for Partnership Withholding Tax) and issues Form 8805 to each foreign partner, showing how much tax was withheld and sent to the IRS.

4. Form 1040-NR (The Personal Return)

Finally, each foreign partner must file a personal US non-resident tax return (1040-NR), attaching their K-1 and 8805. If the partnership withheld too much tax on their behalf, the partner will get a refund from the IRS.

The ITIN Bottleneck

To file Form 1040-NR and receive a Schedule K-1, a foreign partner must have an Individual Taxpayer Identification Number (ITIN). Applying for an ITIN (Form W-7) requires mailing your physical passport to the IRS or using a Certified Acceptance Agent (CAA). This process often takes 3 to 4 months.

What if the Partnership Has No US Income?

If the Multi-Member LLC operates entirely outside the US and generates exactly $0 of Effectively Connected Income (ECI), the filing requirements drop significantly.

However, many international tax attorneys still strongly advise filing a "Protective" Form 1065 to formally state to the IRS that the partnership had no US income. If the IRS later audits you and claims you did have US income, failing to file Form 1065 can result in severe penalties and the loss of all tax deductions.

What to Do Next

Hire a Professional: Partnership taxation involving foreign owners is incredibly complex. You absolutely must hire a US CPA experienced in international tax (look for experts in Section 1446 withholding).
Start the ITIN Process: If you just formed your LLC, all partners should begin the ITIN application process immediately to avoid missing tax deadlines next year.

Multi-Member Filing FAQs

Do Multi-Member LLCs file Form 5472?

Generally, no. Form 5472 is specifically for corporations and Single-Member LLCs (disregarded entities). Because a Multi-Member LLC is taxed as a Partnership by default, it does not file Form 5472.

What is Form 1065?

Form 1065 is the US Return of Partnership Income. It is an informational return filed by the LLC itself to report total income, deductions, and profits before they are passed through to the partners.

Do foreign partners need ITINs?

Yes. In a Multi-Member LLC, each foreign partner must apply for an Individual Taxpayer Identification Number (ITIN) to file their personal 1040-NR tax return and to receive Schedule K-1.

What is withholding tax?

Under Section 1446, if a partnership generates US ECI, the partnership itself must withhold a portion of the foreign partner's profits (usually at the highest marginal rate, 37%) and pay it directly to the IRS on their behalf using Forms 8804 and 8805.