US incorporation · English

Benefits of incorporating in the US for foreign companies, and when to wait

By Greatweek · Published

For an established technology company outside the United States, the benefits of incorporating in the US are mostly practical. A US entity can make it easier to contract with US buyers, open US banking and payments, raise from US investors and hire locally. It also adds fixed cost and compliance from the first day. This guide sets out each benefit, what it depends on, and the signs that it is still too early.

A legal decision that follows a commercial one

Founders in Sweden, the Netherlands, Germany, the UK or India usually ask the incorporation question when the first US deals appear, or when a board starts discussing a US launch. That timing is right.

The entity should serve a commercial plan, not replace one.

Greatweek works on the commercial side of US market entry: which customers to target, how to test demand and what to fund. Its US Entry Diagnostic tests whether the US opportunity is real at your stage or a year too early, and ends with a 90-day recommendation with sequencing and cost you can take to the board. It is not a law firm, tax advisor or formation service, and it has no affiliate relationship with any provider named in this series. The aim here is to help you ask better questions before you speak to the people who form companies and file taxes.

Easier contracting with US buyers

A US entity gives a US buyer a US contracting party, US bank details and a US tax ID. For some procurement teams that removes questions about cross-border payments and foreign vendors. For others it makes no difference at all, and they will happily sign with your home company.

The only reliable way to know is to ask the buyers in your pipeline. If several qualified prospects say a US entity would simplify approval, that is a real signal. If nobody has raised it, the entity is probably not what stands between you and your first contracts.

Banking and payments

This is often the most concrete benefit, because many US financial providers only serve US-formed businesses. Mercury states that customers "must be formed and registered in the United States or a U.S. territory" and must have existing or planned US operations, while non-US residents can apply unless they live in a country on its prohibited list (per Mercury's LLC banking page, as of October 2026). Brex's FAQ says it only enters into order forms with US businesses and requires a valid US Employer Identification Number (as of October 2026).

Stripe also asks a US account for a verifiable tax ID. Without an EIN, it asks for an SSN or ITIN instead. The table summarizes what each provider asks for, as stated on their pages in October 2026.

Mercury

What it asks for
Formed and registered in the US, with existing or planned US operations

Brex

What it asks for
US business with a valid US EIN

Stripe (US account)

What it asks for
EIN, or an SSN or ITIN instead

Gusto payroll

What it asks for
Business registered in the US with US bank accounts

Our guide to opening a US business bank account as a non-resident covers what each provider asks for and what to prepare.

Investor expectations

If you plan to raise from US venture investors, entity type matters. Stripe Atlas documentation describes C corporations as "Preferred by institutional investors who might be unable to invest in LLCs" and as the structure "Used to grant equity to employees, advisors, and investors" (as of October 2026). Y Combinator's FAQ says companies incorporated outside the US, Canada, Singapore or the Cayman Islands will need to create a parent company in one of those jurisdictions.

For an established company with its own investors at home, the question is different. You may be opening a US subsidiary rather than moving the whole group. That trade-off is covered in US subsidiary vs Delaware flip, and the investor side in do US investors require a Delaware C corp.

Tax structure and what it costs to keep

A US corporation files its own federal return on Form 1120. The 2025 Form 1120 instructions apply a 21% federal rate to taxable income, and a calendar-year corporation generally files by April 15. How much profit ends up in a US subsidiary depends on how the group is structured, which is a question for your tax advisor.

21%

Federal corporate income tax rate, IRS 2025 Form 1120 instructions

$25,000

IRS penalty for not filing Form 5472, instructions Rev. December 2024

The entity choice changes the filing burden. A US single-member LLC wholly owned by a foreign person must file a pro forma Form 1120 with Form 5472 attached, and the IRS Form 5472 instructions set a $25,000 penalty for failing to file. Our Delaware C corp vs LLC guide explains the difference.

There is also a federal incentive that only works through a C corporation. Under Section 1202 as amended in July 2025, qualified small business stock must be issued by a domestic C corporation, and stock acquired after July 4, 2025 can qualify for a partial exclusion after three years. Whether that matters to you depends on your own tax residence. The full picture of federal and state filings is in US tax obligations for a foreign-owned company.

Hiring people in the US

A US entity lets you run US payroll directly. Gusto, for example, requires a business registered in the United States with US bank accounts. If you are not ready for that, an employer of record is an alternative. Deel describes its EOR as a way to hire US talent without setting up a local entity, with pricing from $599 per employee per month (as of October 2026). See hiring your first US employee as a foreign company for the options.

When not to incorporate yet

A US company is a fixed cost. In Delaware, for example, a corporation files an annual report and pays franchise tax by March 1 each year, and an LLC pays an annual tax of $400 by June 1 (per Delaware's Division of Corporations, as of October 2026). Delaware assesses that tax if the entity is active at any time in the calendar year, and it is not prorated. Add a registered agent, bookkeeping, tax filing and banking, and the entity has a running cost before it has a customer.

The signs it is too early are familiar:

  • You have no qualified US pipeline.
  • No buyer has asked for a US contracting party.
  • You have no plan to raise from US investors in the next year.
  • Your first hire could start through an EOR.

In that situation, the guidance in build US traction before fixed cost applies: prove demand first, then add structure. The free US Market Entry Playbook walks through how to sequence that work before the entity.

Frequently asked questions

Do I need a US company to sell to US customers?

Not always. Many foreign companies sign their first US contracts from their home entity. A US company becomes more useful when buyers ask for one, when you need US banking or payment providers that only serve US-formed businesses, or when you plan to hire or raise in the US.

What is the main benefit of incorporating in the US for a foreign company?

It depends on your plan. For venture-backed companies it is usually investor fit. For established companies selling to enterprises it is usually smoother contracting, banking and payments. Write down which benefit you are buying before you pay for the structure.

Do foreign-owned US companies still need to file BOI reports?

Based on FinCEN's final rule issued August 11, 2026 and effective August 14, 2026, US-formed companies are exempt from beneficial ownership reporting, even when owned by foreigners. Reporting now applies only to companies formed under foreign law that register to do business in a US state.

Is Delaware the only option?

No. Delaware is common for companies that plan to raise venture capital, but other states, including Wyoming, are also used. The state you choose affects fees, annual taxes and where you may also need to register.

If you are weighing a US entity against a lighter first step, Greatweek's 20-minute US Entry Review can help you decide what evidence to collect first. Confirm the legal and tax structure with a qualified US corporate lawyer and tax advisor before you form anything.