A company holding a BOI promotion certificate may receive tax and non-tax privileges, such as foreign ownership in otherwise restricted activities and permission to bring in foreign experts. The actual privileges depend on the activity, project conditions and the BOI's decision.
Thailand Board of Investment (BOI)
Tech, EV, biotech, data-center, advanced manufacturing, BCG (bio-circular-green) investors seeking long-term tax holiday.
This page is general guidance from published sources, not an authority ruling. Rules and official fees can change; check the current version before deciding.
There is no fixed timeline. It depends on complete documents, foreign document legalisation and review by Thailand Board of Investment (BOI). Our staff estimate a realistic window after checking your documents.
We do not publish service fees because scope varies with the activity, capital and number of documents. Send your details to our staff for a tailored quotation. Official fees are separate, at the rates the authority publishes.
No. Decisions are at the authority's discretion. We check document completeness, prepare translations and file according to procedure. We do not offer refunds.
Usually certification in the issuing country (notarisation plus foreign-ministry legalisation or an Apostille, as the recipient accepts) and a Thai translation. Confirm the format the Thai authority accepts first.
Typically Revenue Department tax registration, VAT registration once thresholds apply, Social Security employer registration, and work permits for foreign staff.
Call 083-249-4999 or use the contact page. We reply within 2 hours during business hours, Mon–Sat 09:00–18:00 Thailand time. Head office: Ladprao 95, Bangkok.
First-party answers on Thai work authorisation: the standard Department of Employment route, BOI and IEAT channels for skilled experts, US company rights under the Treaty of Amity, and the APEC Business Travel Card for Thai nationals — including which supporting documents must be translated and legalised first. (19+ search topics covered)
Need your documents reviewed or your case assessed? Ask our team by phone, LINE, or email. We reply within two hours during business hours (Mon–Sat 9:00–18:00 ICT).
Work permits are issued by the Department of Employment and are tied to the employer, position and workplace. Changing job, role or location requires a new filing.
Prefer not to handle the queues yourself, or worried about a rejection? Send us photos of your documents for a free pre-check. We handle the full chain — obtaining certified copies, translation, certification and submission — and keep you updated at each step. Reach us on LINE, phone or email during business hours.
Different employer types use different channels, and each channel pairs with a different visa category.
| Route | When to use | Certifying authority | Approx. duration | Rejection risk |
|---|---|---|---|---|
| Standard filing with the Department of Employment | The employer is an ordinary Thai company without BOI promotion | Department of Employment, Ministry of Labour | Variable, driven by how complete the employer's file is | Thai-to-foreign staff ratios and registered capital not meeting thresholds is the common refusal ground |
| BOI-promoted company channel | The employer holds a promotion certificate and the position is on the approved list | BOI together with the Immigration Bureau and Department of Employment | Generally faster than the standard route, still variable | A position that differs from the approved list requires an amendment first |
| Conditional or short-term work authorisation | Short assignments or job types covered by specific published rules | Department of Employment under the notification in force | Shorter than a full application | Working beyond the authorised scope is an offence even when a permit exists |
Timelines above are practical estimates from live casework and can change with each authority's policy; confirm with the receiving authority before booking travel. If you would rather not test routes by trial and error, our advisers can assess which route fits your case.
Our team has worked on cross-border documents, certified translation and government liaison since 2015. Most rejections we see are not caused by missing paperwork but by choosing the wrong route on day one, so we always start with a case assessment.
We look at your destination, purpose and deadline, then tell you which certification route applies — and which steps you can skip.
Name spelling, consistency across documents, document age and translation format are checked before anything reaches a counter.
We sequence the steps around your appointment or travel date and flag bottlenecks in advance.
We read the refusal reasons, identify the underlying cause, and plan a resubmission that answers what the authority asked for.
Rather not learn by trial and error? Send your case details and document photos for a review — reach us on LINE, phone or email during business hours.
A promotion certificate carries incentives and shareholding conditions that differ from an ordinary company. Compare minimum investment, technology and employment conditions per activity before committing.
Thai-to-foreign staff ratios and registered capital determine how many work permits you can obtain. Design the staffing structure early to avoid emergency capital increases.
Affidavits, financial statements and powers of attorney usually need notarisation abroad, government or embassy authentication, then Thai translation and legalisation by the Legalization Division, Department of Consular Affairs.
Objectives registered with the Department of Business Development must cover the licensed activity. A mismatch forces an amendment of the affidavit first, typically costing weeks.
Holding shares on behalf of a foreigner without genuine investment breaches the Foreign Business Act, and the source of Thai shareholders' funds can be examined. We do not assist with such structures.
Incentives attach only to the promoted activity and its stated conditions. Revenue from non-promoted activities must be accounted for separately and taxed normally.
Parent-company affidavits and powers of attorney often have a validity period from issue. A slow legalisation chain can expire them before filing, forcing a fresh set.
Many licences involve a site visit. Filing without signage, floor plans or required sanitation results in a correction order and a new inspection date.
Requirements differ by authority and destination country and can change. Confirm current conditions with the receiving authority, or ask our team by phone, LINE or email.
These topics reflect the rules and practice of the relevant authorities and can change. Confirm with the receiving authority, or ask our team by phone, LINE or email.
One document set often moves through several stages — translation, notarial certification, legalization and finally a visa filing. The links below follow that real sequence.
Authority requirements change. Verify with the receiving authority before filing, or ask our team by phone, LINE or email.