Reference

Guides

Plain-language explanations of the US tax rules that actually apply to foreign-owned US businesses.

Reviewed September 11, 2026

ITIN

Do You Need an ITIN? Seven Situations That Usually Mean Yes

Sports betting with nothing withheld, casino winnings, a US property sold or rented, a US partnership, a family member's return, or an ITIN that lapsed. One page each, with an example.

Foreign-owned LLC

Foreign-Owned U.S. LLC With No U.S. Income

How federal income tax, entity classification, partnership filings, and information returns fit together.

Information reporting

Form 5472

Who may need it, what counts as a reportable transaction, how a pro forma Form 1120 fits in, and why the deadline matters.

Financial operations

U.S. Banking for International Founders

What financial institutions usually review, which records help, and why an LLC does not guarantee approval.

Cross-border planning

International Tax

The questions to ask in the United States, the owner’s country, and every place the business actually operates.

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This guide is general information about US federal tax rules, current as of August 6, 2026. It is not tax advice, does not take your specific circumstances into account, and reading it does not create a client relationship. Tax rules change and the details of your situation matter — get advice on your own facts before you act or decide not to.