Compliance
Every recommendation aligns with current regulations — minimizing audit and penalty risks.
We specialise exclusively in supporting foreign investors and FDI enterprises operating in Vietnam — handling regulatory risk, language barriers, and VAS complexity so you can focus on growing your business.
Our Story
TrustlineAX Advisory was founded to help foreign businesses operating in Vietnam stay fully compliant, reduce legal and regulatory risk, and focus on what they do best.
Our team includes accounting, tax, FDI and HR specialists versed in VAS, Vietnamese tax law, and IRC/ERC procedures — having supported SMEs to multinationals across manufacturing, technology, and services from Japan, South Korea, Singapore, the US, and Europe.
We believe in practical advisory: no fluff, but clear, actionable steps your team can execute immediately.
Explore our services: Accounting and Tax — FDI Investment — HR and Payroll
Core Values
Every recommendation aligns with current regulations — minimizing audit and penalty risks.
Tax, payroll and FDI filings handled on schedule — so you can focus on operations.
Clear explanation of figures, obligations and options — no hidden fees, no ambiguity.
A single point of contact for accounting, tax, FDI and HR — consistent coordination throughout.
Our Brand
The name TrustlineAX says it plainly — a trust line: a clear, dependable connection between your business and Vietnam’s complex regulatory environment. AX is drawn from our two core disciplines: the A in Accounting and the X in Tax — the foundation beneath everything we do.
Our logo is three waves flowing from deep navy through royal blue to bright cyan — forming one continuous current, just as we connect Incorporation, Accounting and Tax, and HR and Payroll into one coordinated service rather than disconnected functions.
We work exclusively with foreign-invested businesses, so we understand what a head office expects and the standards an international group holds.
Regulatory rigor and reliability that protect your business.
Steady, on-schedule progress, filing after filing.
Transparency in every number, obligation and decision.
Frequently Asked Questions
Yes. We specialize in onboarding foreign-invested companies from day one — handling IRC and ERC procedures, tax registration, initial accounting setup, and payroll from the moment your company is incorporated in Vietnam.
Absolutely. Our entire team works in both Vietnamese and English. We serve clients from over 15 countries and provide all reports, advisory notes, and correspondence in the language your head office requires.
We work under Vietnamese Accounting Standards (VAS), mandatory for all legal entities in Vietnam. We also advise on the differences between VAS and IFRS for groups that require consolidated reporting to their parent company.
Yes. We accompany clients during tax authority inspections, prepare response documentation, and negotiate directly on your behalf — providing full representation throughout the process.
Most clients are fully onboarded within 5 to 10 business days. We begin with a compliance review of your current filings, then transition your accounting and tax cycle to our team with minimal disruption to your operations.