AI agents for business finance: what they can and can't do
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The short answer
An S corporation may only have individuals, certain trusts and estates as shareholders, at most 100 of them and one class of stock, and the IRS says nonresident alien shareholders are not allowed. A Nigerian immigrant who is a US tax resident can own one; a co-founder living in Nigeria cannot, so a business with Lagos-based owners usually stays an LLC or uses a C corporation.
First, they are not the same kind of thing
An LLC is a legal form created under state law. "S corporation" is a federal tax status. A corporation, or an LLC that elects to be taxed as one, can choose S status by filing Form 2553. So the real choice is between an LLC taxed the default way (as a sole proprietorship or partnership) and an entity taxed as an S corporation.
The IRS eligibility rules
The IRS S corporations page (reviewed 11 June 2026) lists the requirements:
- A domestic corporation.
- Only allowable shareholders: individuals, certain trusts and estates. Partnerships, corporations and nonresident alien shareholders are not allowed.
- No more than 100 shareholders.
- Only one class of stock.
- Not an ineligible corporation, such as certain financial institutions and insurance companies.
The election is made on Form 2553, signed by all shareholders. Income, losses, deductions and credits pass through to shareholders, who report them on their own returns via Schedule K-1; the S corporation files Form 1120-S. See the Form 2553 election for the mechanics.
Where your immigration and tax status matters
| Owner | Can hold S corp shares? | Why |
|---|---|---|
| US citizen of Nigerian origin | Yes | Individual, not a nonresident alien |
| Green card holder living in the US | Generally yes | Lawful permanent residents are usually resident aliens for tax |
| H-1B or other visa holder who meets the substantial presence test | Generally yes, while resident for tax | Tax residence, not visa type, decides |
| Co-founder living in Lagos | No | Nonresident alien |
| Your Nigerian limited company | No | Corporations cannot be shareholders |
Whether a work visa lets you actively run a business is an immigration question, separate from tax; see H-1B holders and LLCs.
The traps for immigrant families
- Bringing in a sibling or parent in Nigeria. Giving shares to a nonresident alien would break the shareholder rule. Families who want relatives at home to share in profits often keep an LLC taxed as a partnership instead.
- Moving back to Nigeria. If you become a nonresident alien yourself, for example after returning to Lagos, the S corporation can no longer meet the test. Plan the structure before you relocate; our guide to closing or restructuring covers the Nigerian side.
- Owning through your Nigerian company. A corporation cannot be an S shareholder, so a Nigerian parent company cannot own an S corp subsidiary.
- Investor preferences. One class of stock rules out the preferred shares investors normally want. Founders raising venture money generally use a C corporation; see C corps for raising money.
Why founders consider S status at all
The usual reason is employment tax. With S status, the owner who works in the business is paid wages through payroll and can take further profit as distributions, which changes how employment taxes fall. Whether that saves money depends on profit, the salary level that is defensible for the work done, state tax and the cost of running payroll; settle those numbers with an accountant before electing. Our guide to paying yourself from an LLC explains the default position.
Example only: Bola, a green card holder in New Jersey, runs a single-member LLC doing IT consulting. She is a resident alien and the only shareholder, so S status is open to her. Her cousin in Abuja wants to buy 10%. If Bola elects S status, she cannot sell him shares without breaking the rule; she either keeps him out, or stays an LLC taxed as a partnership with two members.
Paperwork compared
| LLC, default tax | Entity taxed as S corporation | |
|---|---|---|
| Federal return | Single owner: on the owner's own return. Two or more owners: a partnership return | Form 1120-S, with a Schedule K-1 for each shareholder |
| Election | None needed | Form 2553, signed by all shareholders |
| Owners allowed | Anyone, including people and companies abroad | Individuals, certain trusts and estates; no nonresident aliens, partnerships or corporations; up to 100 |
| Share structure | Flexible profit splits in the operating agreement | One class of stock |
The IRS also notes that an S corporation that files 10 or more returns of any type in a calendar year must e-file Form 1120-S. A small family company rarely reaches that; ask your accountant how the threshold applies to you.
Questions to settle with an accountant
- At my expected profit, what is the employment tax difference after payroll costs?
- What salary is defensible for the work I do?
- How does my state treat S corporations?
- If I move abroad or bring in a foreign owner, how do we unwind the election?
A short decision guide
- Will any owner, now or soon, be a nonresident alien or a company? If yes, S status is out.
- Will you raise equity from investors? If yes, look at a C corporation.
- Is profit high enough that payroll plus distributions beats self-employment tax on everything, after accountant fees? If not, stay with the default LLC.
- Are you likely to move back to Nigeria within a few years? Factor in what happens to the election then.
Questions people ask
Can a non-US citizen own an S corp?
Yes, if they are a resident alien for tax purposes, such as most green card holders living in the US. Nonresident aliens cannot be S corporation shareholders, according to the IRS.
Can my brother in Nigeria be a shareholder in my S corp?
No, if he is a nonresident alien. That would break the shareholder rule. A multi-member LLC taxed as a partnership can have owners abroad.
Can an LLC be an S corp?
An LLC can elect to be taxed as an S corporation by filing Form 2553, signed by all owners, if it meets the eligibility rules.
What happens to my S corp if I move back to Nigeria?
If you become a nonresident alien, you are no longer an allowable shareholder, so the company would not meet the S corporation rules. Plan the change with a tax adviser before you move.
Sources
- IRS: S corporations (reviewed 11 Jun 2026) · accessed Oct 2026
- Cornell LII: 26 U.S. Code 11, tax imposed on corporations · accessed Oct 2026
This article is general information, not financial, legal or tax advice. Products described are provided under the terms on this site and are subject to regulation and eligibility.