Guides
Everything a non-US founder needs to understand about running a US company compliantly.
How to apply for an Employer Identification Number for your US LLC or C-corp from outside the US — step by step, with the specific traps that catch international applicants.
Reviewed by BorderFile EA/CPA Review Team ·
What UAE-resident founders with a US LLC need to know about Form 5472, the UAE's new corporate-tax regime, and the places where the US and UAE sides touch each other.
Reviewed by BorderFile EA/CPA Review Team ·
What UK-resident founders with a US LLC or C-corp need to know about Form 5472, HMRC self-assessment, and the places where the US and UK sides interact.
Reviewed by BorderFile EA/CPA Review Team ·
What counts as a related-party transaction, the eight categories you tag on Form 5472, and the specific errors our reviewer catches most often.
Reviewed by BorderFile EA/CPA Review Team ·
When to use Form 7004, when it will not help you, how to file it before the deadline, and what to do with the six extra months you buy.
Reviewed by BorderFile EA/CPA Review Team ·
What the pro-forma Form 1120 is, why foreign-owned LLCs need it, exactly which boxes get filled, and the common mistakes we see on it during review.
Reviewed by BorderFile EA/CPA Review Team ·
What India-resident founders with a US LLC need to know about Form 5472, the pro-forma 1120, and how it interacts with India's Schedule FA.
Reviewed by BorderFile EA/CPA Review Team ·
A plain-English guide to whether Form 5472 applies to your foreign-owned US LLC — who files, when it's due, and how the pro-forma 1120 fits in.
Reviewed by BorderFile EA/CPA Review Team ·
The expert desk writes custom memos — see /services/expert-desk.