Why Business Visitors Need a Visa Now
Before 15 September 2026, nationals of 93 countries could enter Thailand visa-free for short-term business activities: attending meetings, visiting a factory, speaking at a conference, signing a contract. That is no longer the case. Thailand's revised visa-exemption framework limits visa-free entry to tourism only [1]. Anyone entering Thailand for a business purpose — however brief — needs to obtain a Non-Immigrant B visa before travel [2].
This article covers who needs a business visitor visa, what the application involves, and how the process works in practice.
What Counts as a Business Visit
A business visit is any entry to Thailand for a commercial or professional purpose that does not involve employment by a Thai entity. Royal Thai missions list the following activities under the Non-B visa for "conducting business and conference (not including employment)" [2]:
- Attending a business meeting or negotiation
- Visiting a business partner, supplier or client site
- Attending or speaking at a conference, seminar or trade exhibition
- Signing a contract
- Conducting a site inspection or factory visit
- Short-term consulting or advisory work for a foreign employer
The distinction between a business visit and employment matters. If a Thai company is paying your salary or you are working under its direction, that is employment — you need a Non-B visa for work plus a work permit sponsored by the Thai employer. A business visitor remains employed abroad and is in Thailand temporarily for a specific business purpose.
Who This Applies To
Everyone. There is no nationality exemption for business visits. Even if your passport qualifies for visa-free tourism entry (the 54 countries on the current 30-day list, or the handful on the 15-day list), that exemption covers tourism only [1]. If you are travelling to Thailand for any business purpose, you need the Non-B visa regardless of your nationality.
This is a change that catches many frequent business travellers off guard. Someone who has entered Thailand dozens of times on a visa exemption for a week-long meeting may not realise that the same trip now requires advance planning and a visa application.
Documents You Will Need
The exact requirements vary slightly between Royal Thai missions, but the core documents are consistent. Based on published checklists from Royal Thai embassies [2] [3]:
From You (the Applicant)
- Passport with at least six months' validity from your intended date of entry, with a blank visa page
- Completed visa application form via the Thai e-Visa system
- Recent passport-sized photograph (taken within the past six months)
- Flight itinerary showing travel into and out of Thailand
- Proof of accommodation in Thailand for your stay
- Bank statements covering at least three months, showing your name and balance
- Proof of legal residence (if applying in a country where you are not a citizen)
From Your Employer
- A letter on company letterhead stating the purpose of the trip and the dates of travel
From the Thai Host
- An invitation letter on company letterhead from the business host in Thailand, stating the objective of the visit and the period of stay
- A copy of the Thai company's business registration, issued by the Department of Commercial Registration at the Ministry of Commerce — some missions always require this, others request it on a case-by-case basis
Missions reserve the right to request additional corporate documents from the Thai host company, including shareholder lists, business licences, tax filings, and details of business operations [2]. The safest approach is to have the Thai host prepare these documents in advance so nothing delays your application.
Visa Fee, Validity and Period of Stay
The government visa fee is 2,000 THB for a single-entry visa and 5,000 THB for a multiple-entry visa. Missions quote these fees in local currency — for example, 800 NOK in Oslo or 11,000 JPY in Japan [2] [3].
A single-entry Non-B visa is valid for three months from the date of issue. You must enter Thailand within that window. A multiple-entry visa can be valid for up to one year.
On arrival, the immigration officer grants a stay of up to 90 days per entry [2]. For most business trips — a few days to a couple of weeks — this is more than enough.
How Long the Application Takes
Processing times depend on the Royal Thai mission and current demand. A typical timeline is two to three weeks from submission to approval [1]. Some missions, particularly in the Gulf region, process applications in as few as two working days [4]. Others take longer.
The key takeaway for business travellers: you cannot arrange a business trip to Thailand on short notice the way you might have before September 2026. If a meeting comes up next week, you likely do not have time to obtain the visa. Plan business travel to Thailand at least three to four weeks in advance.
Do You Need a Work Permit?
No — not for a genuine business visit. The Non-B visa for conducting business or attending a conference does not require a work permit. You are not being employed in Thailand; you are visiting for a defined business purpose while remaining employed by your overseas company.
This distinction matters because the work permit process is a separate, longer procedure that involves the Thai employer filing paperwork with the Ministry of Labour. A business visitor visa bypasses that entirely.
However, if your visit crosses into anything that looks like employment — performing ongoing work under a Thai company's supervision, providing services that a Thai company is billing for, or working on a project beyond what the invitation letter describes — you may be operating outside the scope of a business visitor visa. If you are unsure, check before you travel.
What About Conferences Registered With TCEB?
Thailand's Convention and Exhibition Bureau (TCEB) has worked with the Department of Consular Affairs and the Immigration Division to create streamlined entry measures for participants in large, officially registered events — including dedicated MICE Lanes at certain airports. If you are attending a major international conference in Thailand, the event organiser may be able to facilitate your visa through these channels. Ask the conference organisers whether TCEB support is available for participants.
For ordinary business visits — meetings with a Thai partner, a site visit, a sales pitch — TCEB facilitation does not apply. The standard Non-B visa process is what you need.
How We Help
We handle business visitor visa applications as part of our full-service offering. If your company is sending employees to Thailand for meetings, conferences or site visits, we coordinate the documentation between your HR team and the Thai host, manage the e-Visa submission, and track the application through to approval. For companies that send staff to Thailand regularly, a multiple-entry Non-B visa saves both time and cost over single-entry applications.
If you need a business visitor visa for an upcoming trip, book a consultation and we will walk you through the timeline.
References
- Thailand introduces new 30-day and 15-day visa exemption rules from 15 September (tatnews.org)
- Non-Immigrant Visa (Work & Business) (oslo.thaiembassy.org)
- Non-Immigrant Business Visa (fukuoka.thaiembassy.org)
- Non-Immigrant B (Meeting) Visa Requirements (mfa.go.th)