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ILCInternational Language Center

C7 · Tax Registration

Thai VAT Registration & Monthly Compliance

Businesses with turnover above THB 1.8m per year or wanting to reclaim import VAT must register. We file Ph.Ph.01, set up e-tax invoicing, and handle the monthly Ph.Ph.30 return.

  • Ph.Ph.01 registration filing
  • Revenue Department liaison
  • e-Tax invoice onboarding
  • Monthly Ph.Ph.30 return
  • Input VAT reclaim advisory
  • Voluntary vs mandatory review
Pricing: contact us for a quote · from THB 8,000Turnaround: 7–14 business daysLegal basis: Revenue Code Title 4

A working guide to thai vat registration in Thailand

Thai VAT Registration sits at the intersection of certified translation, notarial attestation, and consular filing, three disciplines our Bangkok office has run in parallel every business day for over two decades. That combined footprint is why a single case manager can quote, execute, and close a matter without handing it off between vendors. Every companies crossing the VAT threshold or importing goods matter is scoped by a senior specialist on LINE Official @NAATI or by email at ilc@thainotary.co.th before any file moves.

The document set most often audited on companies crossing the VAT threshold or importing goods matters here includes company affidavit (Nor Sor 3), shareholder list (Bor Or Jor 5), office lease & house registration, map of office, director's ID, power of attorney. Deliverables are formatted to the acceptance criteria of the Thai Revenue Department.

How the workflow runs end-to-end

Once the audit is clean, translation and certification run in parallel by two credentialed linguists to compress the timeline, then legalization or notarization is queued at the relevant counter with a numbered chain-of-custody log the client can inspect at any time.

Who this service is for

Client mix in a typical month is roughly one third individual visa applicants, one third corporate HR and legal teams, and one third overseas law firms or embassies using us as their Thailand-side execution partner. Each track has its own intake checklist because acceptance criteria differ materially across destinations.

Coverage, fees, and turnaround

Standard turnaround is 3–7 Thai business days end-to-end when all three consular tiers are engaged; single-stage matters such as a notarized copy or a stand-alone certified translation complete in 1–3 business days. Express and same-day options are available for time-critical filings at published surcharge rates.

Quality assurance and confidentiality

Physical documents are stored in a monitored office at all times and returned to the client or a nominated authority in one continuous chain of custody. Confidentiality is default: standard engagements are covered by our general NDA, and bespoke NDAs are executed within the same business day for enterprise clients, family offices, and law firms.

Start your Thai VAT Registration matter today

Reach ILC on LINE Official @NAATI, email ilc@thainotary.co.th, or phone 080-5578887. Office hours are Monday to Sunday, 08:30 to 20:00 Bangkok time. A specialist responds to first-contact messages within one business hour on weekdays and within four hours on weekends and public holidays with a written price, realistic timeline, and a required-documents checklist tailored to your destination country. There is no charge for the initial consultation, and no obligation to proceed after receiving the quote — ILCearns repeat business by delivering the first companies crossing the VAT threshold or importing goods matter cleanly and on time, not by locking clients into open-ended retainers.

Local Expert Insight

Expert perspective: Thai VAT Registration

The Thai VAT Registration files we see most often are ones the applicant filed themselves and got rejected for an outdated template or a passport-name mismatch — that's why we audit every document before touching translation.
กองบรรณาธิการ ILC
Legal Documentation Editorial Team

Cost ladder

Service tierFee range
เอกสารเดี่ยว / Single doc1,500 – 2,500 THB
แปล + Notary / Translation + Notary2,500 – 4,500 THB
MFA legalization3,500 – 5,500 THB
Embassy chain / สถานทูต5,500 – 8,000 THB

Timeline (Day 1 → Day N)

  1. Day 1Intake, document audit, written quote & timeline
  2. Day 2-3Certified translation + two-tier QA by NAATI/MoJ translators
  3. Day 3-4MFA Chaengwattana legalization queued & retrieved
  4. Day 5-7Destination embassy filing & EMS/DHL return to client

Case snapshot (anonymized)

A corporate client (name withheld) needed Thai VAT Registration on a tight embassy deadline. ILC closed the matter in four business days without a re-file, saving the client roughly two weeks versus a DIY route.

Last reviewed: · Cross-referenced against MFA Consular practice + Lawyers Council of Thailand