Everything we know about US companies, written down.
State choices, entity types, the IRS forms, banking, sales tax, and what to do every year. Written by the team that files them.
What disregarded entity means for your single-member LLC
A plain English guide to what disregarded entity status means for a single-member LLC, what still applies, and how it differs from a C-Corp.
US sales tax for online sellers: nexus, thresholds and marketplaces
Learn how US sales tax nexus and marketplace facilitator rules work for online sellers, and when you actually need to register.
Tax treaties and your US LLC: what they do and do not do
Tax treaties can lower US withholding on certain income for your LLC's non-resident owner, but they do not remove your federal filing duties.
Do US clients mean you are engaged in a US trade or business?
Having US clients does not automatically mean your foreign business is engaged in a US trade or business. Here is what the IRS actually looks at.
Quarterly estimated taxes: when a foreign-owned LLC has to pay them
Learn when a foreign-owned US LLC owes quarterly estimated taxes, what effectively connected income means, and how the Scale plan handles it.
The Form 5472 and pro forma 1120 checklist for foreign-owned LLCs
A plain guide to Form 5472 and the pro forma 1120 for foreign-owned LLCs, covering deadlines, penalties, and how PowerLaunch handles the filing.
FBAR and FATCA: do they apply to a foreign owner of a US LLC?
FBAR and FATCA explained for foreign owners of US LLCs, including who counts as a US person and what filings actually apply to you.
How long an EIN takes for a non-resident owner, and how to speed it up
Learn how long an EIN takes for non-resident LLC owners, what slows it down, and how to speed it up with an expedited filing.
Wyoming has no income tax. Does that mean your LLC pays none?
Wyoming has no state income tax, but that does not erase your federal tax duty or your home country's rules. Here is what still applies.
Does a US LLC pay US tax when the owner lives abroad?
A plain guide to when a foreign-owned US LLC actually owes US tax, what counts as US business activity, and the Form 5472 duty that applies either way.
Paying contractors from a US LLC: 1099s, W-8s and what to keep
Learn when a US LLC needs a W-9 or W-8BEN from contractors, how 1099-NEC works, and how to keep records straight in MyCG.AI.
W-9, W-8BEN or W-8BEN-E? The form your US LLC gives clients (2026 guide)
Every non-US founder with US clients meets this email eventually: accounts payable wants 'a W-9 or the appropriate W-8.' Pick wrong and you either sign an incorrect certification or invite 30% withholding on your invoices. The correct answer is unintuitive enough that plenty of US bookkeepers get it wrong too.
US sales tax for foreign-owned LLCs (2026): nexus, thresholds, and when you actually register
There is no US national sales tax. There are ~46 state regimes plus thousands of local rates, and your LLC owes a state's tax only when two switches flip: you have nexus there, and what you sell is taxable there. Most non-US founders start with both switches off. Here's when they flip.
IRS Form 5472 explained: what every foreign-owned US LLC must file in 2026
A complete guide to IRS Form 5472 for non-US founders. What it is, who must file, deadlines, the $25,000 penalty, and the exact filing process explained step-by-step.
Your US company, filed this week.
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