Can a Nonresident Own an S Corporation?

The Basic Rule

An S corporation can have individuals, certain trusts, and estates as shareholders, but the Internal Revenue Code specifically bars nonresident aliens from the list. This is one of the clearest eligibility rules in the S corporation statute: unlike some other restrictions that involve judgment calls, whether a shareholder is a nonresident alien is a factual determination the IRS applies strictly.

Nonresident Alien vs. Resident Alien

The restriction turns on U.S. tax residency, not citizenship. The IRS treats a foreign-born individual as a resident alien, and therefore eligible to own S corporation stock, if that person meets either the green card test (holding lawful permanent resident status) or the substantial-presence test (based on days physically present in the United States over a three-year period). A nonresident alien is someone who meets neither test. Two noncitizens can have very different S corporation eligibility depending on which category they fall into, so this is a factual question worth confirming carefully rather than assuming based on visa type alone.

What Happens If a Nonresident Alien Becomes a Shareholder

If stock in an S corporation passes to a nonresident alien, whether by sale, gift, or inheritance, the S election terminates automatically as of the date of the transfer, according to the IRS. The corporation reverts to C corporation tax treatment from that point forward, which can mean an unplanned return to double taxation and a mid-year split return covering both the S corporation and C corporation portions of the tax year. This makes shareholder agreements that restrict stock transfers to eligible holders a common and practical safeguard for S corporations with any chance of a transfer to a non-U.S. person.

Indirect Ownership Through a Trust

Certain trusts can own S corporation stock, including grantor trusts, qualified Subchapter S trusts, and electing small business trusts, but each type of eligible trust has its own rules about who the trust's beneficiaries can be. In general, if a trust's beneficiary is a nonresident alien, the trust itself becomes an ineligible shareholder, which means a nonresident alien generally can't use a trust to work around the direct ownership restriction either.

Why This Rule Exists

S corporation income passes through to shareholders and is taxed on their individual returns rather than at the corporate level. The nonresident alien restriction exists because the IRS doesn't have the same mechanism to collect tax on a nonresident alien's share of pass-through business income the way it does for a U.S. citizen or resident, so Congress excluded nonresident aliens from S corporation ownership entirely rather than building a separate withholding regime for this one ownership scenario.

A C Corporation Doesn't Have This Restriction

This limitation is specific to S corporations. A C corporation can have shareholders of any nationality or residency status, with no limit on the number of shareholders and no restriction on nonresident alien ownership, which is one reason a business expecting non-U.S. investors often stays a C corporation rather than electing S status. See our guide on S corporation shareholder limits for the other eligibility rules that apply alongside this one.

Confirm Residency Status Before Admitting a New Shareholder

Before issuing stock to a new individual shareholder, confirm whether that person is a U.S. citizen, a resident alien, or a nonresident alien under the IRS's tests, particularly if the person splits time between the U.S. and another country. Getting this wrong can terminate your S election without anyone realizing it happened until a later tax filing.

Use Transfer Restrictions in Your Shareholder Agreement

A shareholder agreement that requires board or shareholder approval before any stock transfer, and that specifically prohibits transfers to ineligible holders, is a practical way to prevent an accidental termination through a sale, gift, or inheritance to someone who doesn't qualify.

Terminating and Re-Electing Takes Time

If an S election terminates because of an ineligible shareholder, the corporation generally can't re-elect S status for five years without IRS consent, so an accidental termination has consequences well beyond the single tax year in which it happens.

This Is Not Tax or Immigration Advice

Whether someone qualifies as a resident alien under the substantial-presence test involves counting rules that can be easy to miscalculate, and the consequences of getting it wrong affect your corporation's tax status. Talk to a tax professional about any shareholder whose residency status isn't clearly a U.S. citizen or long-term green card holder.