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US Tax Filing & Deadlines

Tax filing notifications, key dates and the latest US tax updates for foreign-owned companies.

US Tax Filing & Deadlines

US Tax Deadlines for Non-Residents and Foreign-Owned Companies (2027 Filing Season)

Every key US tax filing date for the 2026 tax year: Form 5472, 1120, 1065, 1040-NR, FBAR, extensions, contractor forms and state deadlines, in one calendar.

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US Tax Filing & Deadlines

BOI Reporting in 2026: Do Foreign-Owned US LLCs Still Need to File?

The latest on FinCEN beneficial ownership (BOI) reporting: why US-formed LLCs owned by non-residents are now exempt, who still has to file, and what has not changed.

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US Tax Filing & Deadlines

Form 5472 Explained: The Annual Filing Every Foreign-Owned LLC Must Know

What Form 5472 is, why foreign-owned single-member LLCs must file it with a pro forma 1120 even with zero income, what counts as a reportable transaction, the deadline and the $25,000 penalty.

8 min readRead guide
US Tax Filing & Deadlines

The 2025 Tax Law (OBBBA): What Changed for Foreign-Owned US Companies

Key changes from the One Big Beautiful Bill Act for non-resident owners: 1099 thresholds, 1099-K rules, expensing, research costs, what stayed the same and what to do now.

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US Tax Filing & Deadlines

US Tax Filing Notifications: How We Remind Clients of Every Deadline

Never miss a US deadline again. The key federal and state dates for foreign-owned companies across the year, and how UCB's WhatsApp and email reminder system works.

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US Tax Filing & Deadlines

The $25,000 Penalty Foreign LLC Owners Fear, and How to Avoid It

Why the IRS charges $25,000 for a missed foreign-owned LLC information return, who gets caught, how to avoid it every year, and what to do if you have already missed a filing.

4 min readRead guide
US Tax Filing & Deadlines

US Sales Tax for Online Sellers Abroad: Economic Nexus Explained

Since 2018, states can require remote sellers to collect sales tax. What economic nexus means, typical thresholds, how marketplaces change the picture, and what foreign sellers should do.

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US Tax Filing & Deadlines

W-8BEN vs W-8BEN-E vs W-9: Which Form Should You Give US Clients?

US clients and platforms ask non-residents for tax forms. When to use W-8BEN, W-8BEN-E or W-9, how a foreign-owned US LLC changes the answer, and what happens if you get it wrong.

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US Tax Filing & Deadlines

US Tax Extensions for Foreign-Owned Companies: How They Work

An extension gives you six more months to file, not to pay. Which returns can be extended, the original and extended deadlines, and the common mistakes non-residents make.

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US Tax Filing & Deadlines

Do Non-Resident LLC Owners Need to File a Personal US Tax Return?

When a non-resident owner must file a personal US return (Form 1040-NR): effectively connected income, partnership income, refunds, ITIN requirements and deadlines.

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US Tax Filing & Deadlines

Multi-Member LLC Tax Filing With Foreign Partners: What to Expect

Partnership returns, partner statements, late-filing penalties and withholding on foreign partners' share of US business income, explained for multi-member LLCs owned from abroad.

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US Tax Filing & Deadlines

My US LLC Had No Income. Do I Still Need to File?

Yes, in most cases. Why a foreign-owned US LLC with zero revenue still has federal and state filing obligations, what counts as a reportable transaction, and what to do with a dormant company.

4 min readRead guide
US Tax Filing & Deadlines

1099 Forms in 2026: New Thresholds for Contractors and Payment Platforms

The 1099-NEC threshold rose to $2,000 and Form 1099-K returned to $20,000 and 200 transactions. What foreign-owned US companies must issue and receive in 2026.

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US Tax Filing & Deadlines

US Tax Filing Checklist for Foreign-Owned LLCs (What to Send Your Preparer)

Get your annual US filing done quickly. The documents and information foreign-owned LLC owners should prepare before the tax deadline, with a month-by-month timeline.

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US Tax Filing & Deadlines

Missed Your US Company's Tax Filing? What to Do Now

Missed Form 5472, a partnership return or a corporate return? How to fix it, how penalties and relief work, and why acting before the IRS contacts you matters.

3 min readRead guide
US Tax Filing & Deadlines

State Taxes for Foreign-Owned LLCs: What Applies and What Doesn't

State income tax, franchise tax, annual fees and sales tax for non-resident LLC owners, and why your formation state is not the only state that matters.

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US Tax Filing & Deadlines

Effectively Connected Income (ECI) Explained for Non-Resident Business Owners

ECI decides whether your US business income is taxed in the USA. What creates a US trade or business, real examples, how tax treaties change the answer, and why it matters for LLC owners abroad.

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US Tax Filing & Deadlines

US Tax Treaties for Business Owners: India, UK, UAE and More

How US income tax treaties affect non-resident business owners, which countries have them (and which don't), what benefits they typically offer, and how to claim them.

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US Tax Filing & Deadlines

FBAR for US Companies: Does Your LLC Need to Report Foreign Bank Accounts?

A US LLC is a US person for foreign bank account reporting. When a foreign-owned US company must file an FBAR for non-US accounts, the $10,000 threshold, the deadline and penalties.

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US Tax Filing & Deadlines

FDAP Income and the 30% US Withholding Tax: A Plain-English Guide

Dividends, interest, royalties and rents paid to non-residents face 30% US withholding unless a treaty applies. What FDAP income is, how withholding works and how treaties reduce it.

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US Tax Filing & Deadlines

IRS Letters and Notices: What They Mean for Your Foreign-Owned Company

Received a letter from the IRS? The common notices sent to foreign-owned US companies, what they usually mean, how to spot scams, and why you should never ignore one.

3 min readRead guide
US Tax Filing & Deadlines

The US Federal Tax System: A Quick Guide for Foreign Business Owners

A plain-English overview of US federal taxes for non-resident business owners: entity types, how non-residents are taxed, withholding, payroll taxes, information returns and state taxes.

4 min readRead guide

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