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10 guides

US LLCs

Single-member vs multi-member LLC for non-residents

The IRS taxes a one-owner LLC and a two-owner LLC completely differently. Here's what changes for foreign owners — filings, banking, and when to add a partner.

The Taxly team 5 min read
Tax filing

US LLC taxes for non-residents, explained

A foreign-owned US LLC doesn't automatically owe US tax — it turns on whether you have effectively connected income. Here's the real mechanism.

The Taxly team 5 min read
Guides

UK Ltd vs US LLC: which should you form?

A decision guide for cross-border founders choosing between a US LLC and a UK Ltd — taxes, banking, Stripe, reputation, cost, and admin compared.

The Taxly team 5 min read
US LLCs

LLC vs C-corp: which is right for non-resident founders

An LLC is simpler and pass-through; a C-corp is what VCs and stock options need. Here's the honest trade-off for non-resident founders and who each one suits.

The Taxly team 5 min read
Tax filing

Form 5472 — what foreign-owned US LLCs must file

If a non-US person owns a US LLC, the IRS wants Form 5472 and a pro-forma 1120 every year. Miss it and the penalty starts at $25,000. Here's the plain version.

The Taxly team 1 min read
Compliance

How to dissolve a US LLC the right way

You can't just stop paying — an open LLC keeps racking up fees, franchise tax, and liability. Here's how to close one cleanly, including the final tax filings.

The Taxly team 5 min read
Tax filing

Form 1040-NR: when LLC owners must file

Form 1040-NR is your personal US return as a non-resident. Here's exactly when an LLC owner must file one, and how it differs from Form 5472.

The Taxly team 4 min read
Tax filing

Sales tax and nexus for foreign-owned US LLCs

US sales tax is state-level and triggered by "nexus" — even with no US presence. How economic nexus, thresholds, and marketplace rules hit foreign founders.

The Taxly team 4 min read
Tax filing

ITIN vs EIN vs SSN: which one do you need?

Three US tax numbers, three different jobs. Here's what an SSN, ITIN, and EIN each do — and which ones a non-resident founder actually needs.

The Taxly team 5 min read
Compliance

The cross-border founder's compliance calendar

Every recurring deadline for running a US LLC or UK Ltd from abroad — annual reports, Form 5472, confirmation statements, VAT, and renewals in one place.

The Taxly team 5 min read

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