About the Founder
Lipai Wang
Founder & IRS-registered tax professional
Tax systems, software, and education — built by one named, accountable person.
Last updated: June 15, 2026
Tax & compliance
IRS-registered tax professional focused on foreign-owned U.S. LLCs.
Software
Nearly 20 years building financial and web systems.
Education & publishing
100,000+ learners taught online; published tax handbooks.
Named & accountable
A real person behind every page
Source-linked
Tied back to official IRS guidance
Official IRS PDFs
Never a form faked from scratch
Review before you pay
Nothing hidden until checkout
I built ForeignLLCTax.com because foreign founders of U.S. LLCs deserve practical, transparent tools for U.S. compliance — not guesswork, not anonymous advice, and not forms cobbled together from scratch. When you file Form 5472, a pro forma 1120, or any IRS return, the stakes are real: a single missed form can mean a $25,000 penalty. I put my name on this product because the people behind a high-stakes tax tool should be accountable and easy to find.
Background
My work spans tax, risk and control, international trust finance, and software engineering. A few specifics, stated plainly:
- Nearly 20 years of software engineering and development experience across mobile, web, game, and financial systems.
- Earlier career as a fund manager and coder at an international trust, where I built and managed the financial systems for a portfolio of roughly $410M in assets under management.
- 6+ years of online education experience, with multiple YouTube channels reaching a combined 100,000+ subscribers, covering coding, digital art, and finance.
- Multilingual teaching and content in Chinese, English, Japanese, and Spanish.
Credentials
These are my own professional credentials, grouped by area.
Tax & registration
- IRS-registered tax professional
Risk, audit & control
- FRM — Financial Risk Manager
- CIA — Certified Internal Auditor
- CCSA — Certification in Control Self-Assessment
Languages & interpretation
- CATTI certified translator / interpreter
- Shanghai Advanced Interpreter Certificate
- JLPT N1
IRS-registered tax professional means I’m registered to participate in the IRS’s official tax-professional systems — the channels practitioners use to work directly within IRS processes. FRM, CIA, and CCSA are recognized certifications in financial risk, internal audit, and control: the disciplines behind the careful, source-checked way this site is built.
What this means for you
Clear, sourced answers
Our editorial standard is to tie important tax claims and filing guidance back to an official IRS instruction, the Internal Revenue Code, a Treasury regulation, or a tax treaty whenever possible — and to link the source so you can verify it yourself.
You review before you pay
Paid outputs are generated only after you've answered the questions and reviewed your inputs. Nothing is hidden until checkout.
Official PDFs only
Every IRS form we produce is filled from the real, official IRS PDF through a verified field map. We never fabricate an IRS-branded form from scratch.
Honest professional standards
We describe our credentials accurately and let the work speak for itself. The site is built to take you a long way on your own — and we mark the point where a licensed adviser is the right next step.
Published work
I write as well as build. My published books are independent, educational handbooks — written to help readers understand the same U.S. tax topics this site helps you file. They are not official IRS material, and reading them is entirely optional; the tools here stand on their own.
Foreign-Owned LLC Tax
Foreign-Owned LLC Tax Guide
A handbook by
Lipai Wang
Foreign-Owned LLC Tax Guide
Foreign-Owned LLC Tax Guide: Form 5472, Pro Forma 1120, 1040-NR, EIN, Treaties & Compliance for Nonresident Owners
A plain-language handbook for nonresident owners of U.S. LLCs: how Form 5472, the pro forma Form 1120, Form 1040-NR, EIN/ITIN, tax treaties, and the related compliance deadlines actually fit together. Written to make the same obligations this site helps you file easier to understand on your own.
Topics covered
- Form 5472
- Pro forma 1120
- Form 1040-NR
- EIN & ITIN
- Tax treaties
- Compliance deadlines
U.S. Tax Handbook
Ultimate U.S. Tax Guide
A handbook by
Lipai Wang
Ultimate U.S. Tax Guide
Ultimate U.S. Tax Guide: A Practical Educational Handbook for Understanding U.S. Individual and Small Business Taxes
A practical, educational handbook covering the fundamentals of U.S. individual and small-business taxes — how the system fits together, the common forms, and the concepts behind everyday filing decisions. A broad starting point for readers who want to understand U.S. taxes, not just file one form.
Topics covered
- Individual taxes
- Small-business taxes
- Common IRS forms
- Deductions
- Filing concepts
See the full books page for more on each title. More publications are in progress; I'll add them here once they're public.
How to use this site
ForeignLLCTax.com is accurate, source-linked, self-service educational software, built to help you prepare and understand your own U.S. filings with confidence. It is not a CPA firm, a law firm, or an Enrolled-Agent practice, so using it does not create a client relationship, and it is not individualized legal or tax advice. When your situation calls for judgment specific to you, a licensed CPA, Enrolled Agent, or tax attorney is the right next step. Our Disclaimer and Editorial Standards spell out the details.