Business Visitor Visa for Thailand: How to Apply
Thailand · Asia
Business Visitor Visa for Thailand
What a U.S. citizen needs for a business visitor visa to Thailand: the requirements, the exact document checklist with its authentication routing, where to file, what it costs and how long it takes.
- U.S. passport status
- Visa free
- Visa-free days
- 60 days
- Document route
- Embassy legalisation
- Translation
- Required
- Short-stay fee
- $40
- Schengen area
- No
What Thailand specifically requires
Non-Immigrant B visa, employer-supported, and a separate work permit is required to actually work.
- Entry status for a U.S. passport
- Visa exemption, but the period is changing imminently
- Authority
- Thai Immigration Bureau
- Official portal
- Thailand e-Visa (official)
- Where to file
- At the consulate with jurisdiction over your U.S. state of residence.
- Biometrics
- Fingerprints and a facial image are collected for most visa categories.
- Passport validity
- Valid for at least six months beyond your intended departure, with at least two blank pages.
- Fees
- Tourist visas where needed are around 40 dollars, the Non-Immigrant O-A around 200 dollars, and the ten-year Long-Term Resident visa around 50,000 baht.
- Processing
- The O-A retirement visa takes weeks at a consulate; the LTR runs two to five months through the Board of Investment
- Document route
- Embassy legalisation
- Translation
- Required into Thai, and the translation must generally be certified by the Legalization Division of the Thai Ministry of Foreign Affairs after arrival.
Your document checklist
9 documents. 0 need authentication: 0 federal through the U.S. Department of State and 0 state-issued through a Secretary of State. Route: embassy legalisation.
- Passport No authentication needed Identity, nationality and the physical book the visa is placed in. How to get it. Renew early. Processing times published by the U.S. Department of State move with demand. Specification. Most countries require validity of at least six months beyond your intended departure. A significant minority require six months beyond entry, and some long-stay visas require twelve to fifteen months. Two blank visa pages is the common minimum; some countries require four. Lead time. Weeks; check current published processing times What goes wrong. Insufficient remaining validity is the single most common reason a traveller is refused boarding at a U.S. airport, before they ever reach the destination.
- Visa application form No authentication needed The core filing. Almost always country-specific. How to get it. Download or complete it on the official portal of the country you are applying to, or the outsourced visa application centre it uses. Never pay a third party for a form that is free. Specification. Usually signed within days of the appointment. Many systems generate a barcoded PDF that must be printed at full size and unmodified. Lead time. Same day What goes wrong. Consular jurisdiction is determined by your U.S. state of residence. Filing at the wrong consulate is an automatic rejection, not a transfer.
- Passport-format photographs No authentication needed Every application. How to get it. Check the destination specification before you sit for them. The U.S. passport photo standard is not universal. Specification. Schengen states generally require 35 x 45 mm with the face occupying 70 to 80 percent of the frame on a light grey or off-white background. The United States uses 2 x 2 inches on pure white. China requires 33 x 48 mm on white. India requires 2 x 2 inches on white. Taken within the last six months in almost all cases. Lead time. Same day What goes wrong. Glasses are prohibited in an increasing number of systems, including U.S. passport photos, and cause automatic rejection.
- Invitation or sponsorship letter No authentication needed Business visits, family visits and some student and work categories. How to get it. From the host company, institution or individual, with their registration or identity details and their commitment regarding your stay. Specification. Several countries require an official, government-issued invitation obtained by the host, not a letter they compose. Lead time. Days to weeks What goes wrong. Russia, Belarus, Azerbaijan and several others use formal invitation systems where a private letter has no standing.
- Employment letter or contract No authentication needed Business, work and digital nomad visas, and as evidence of ties for a tourist visa. How to get it. On company letterhead, signed by an officer, stating your role, salary, start date, approved leave and that your job continues. Specification. Usually dated within 30 days of filing. Work visas normally need the contract itself, sometimes notarised and apostilled. Lead time. Days What goes wrong. Digital nomad visas commonly require proof the employer has traded for at least a year and that you have worked there for at least three to six months.
- Flight reservation and travel itinerary No authentication needed Evidence that you intend to leave, and that your stated dates are real. How to get it. A held reservation with a real booking reference. Many consulates accept a reservation rather than a paid ticket, precisely because buying a ticket before a visa decision is a bad idea. Specification. Must show entry and exit within the requested visa validity, with a verifiable PNR. Lead time. Same day What goes wrong. Do not buy a non-refundable ticket before the visa is approved.
- Proof of accommodation No authentication needed Where you will actually be, for the whole stay. How to get it. Hotel confirmations covering every night, a signed lease, a property deed, or an official invitation from a host. Specification. Must cover every date of the requested stay with no gaps. Gaps are a frequent refusal reason. Lead time. Days What goes wrong. Several countries require the host invitation to be on an official form obtained by the host from their local authority, not a letter the host writes.
- Proof of funds No authentication needed Evidence you can support yourself without working illegally or becoming a public charge. How to get it. Three to six months of bank statements, sometimes stamped or certified by the bank, plus pay slips or a benefit award letter. Specification. Most Schengen states apply a published per-day minimum. Long-stay categories set an annual or monthly figure, often indexed to a local benchmark. Lead time. 1 to 10 days What goes wrong. A large deposit shortly before filing looks like borrowed money and frequently triggers a refusal. Season the balance for several months.
- Travel or health insurance No authentication needed Mandatory for the Schengen area and for a growing number of long-stay categories. How to get it. Buy a policy that names the destination, states the coverage limit and includes repatriation of remains. Specification. Schengen requires a minimum of 30,000 euros of medical cover valid throughout the zone for the whole stay. Long-stay categories often require full local-standard cover with no deductible and no waiting period. Lead time. 1 to 3 days What goes wrong. A credit card travel benefit almost never satisfies the Schengen requirement because it does not name the traveller and the zone.
- 1 Get the invitation early It is the long pole. Some countries require the host to obtain an official invitation from their own ministry or chamber of commerce, which takes weeks.
- 2 Book the consular appointment Many countries operate a business fast-track or an accredited-company scheme that shortens this materially. Ask your host whether their company is registered on one.
- 3 Prepare the file Invitation, employer letter, evidence of the relationship, itinerary, accommodation, insurance and funding.
- 4 Submit and give biometrics As for a tourist visa.
- 5 Decision Often faster than a tourist visa where the host is a known entity, because the purpose is well evidenced.
Your action Documents and authentication Government processing
This is changing. Thailand has acceded to the Hague Apostille Convention and it is scheduled to enter into force for Thailand on 28 February 2027. Until then, the consular legalisation chain through the Royal Thai Embassy still applies. If you are filing in 2027 or later, check the HCCH status table first, because this changes the process substantially.
- 1 Obtain a certified original From the issuing authority. Photocopies, scans and souvenir certificates cannot be authenticated.
- 2 Notarise, if it is a private document Letters, affidavits, powers of attorney and diploma copies need a notary acknowledgement first. Government-issued vital records do not.
- 3 County clerk, in some states A handful of states require the county clerk to certify the notary commission before the Secretary of State will act.
- 4 Authenticate at the right level State-issued documents go to the Secretary of State of the ISSUING state. Federal documents, including the FBI Identity History Summary, go to the U.S. Department of State Office of Authentications.
- 5 Apostille or embassy legalisation Hague Convention destination: the apostille ends the chain. Non-member destination: the document then goes to that country embassy or consulate. For Thailand, an apostille alone will be rejected. The document must go on to that country’s embassy or consulate.
- 6 Certified translation Translate the document together with its apostille or legalisation certificate. Doing this first means paying twice. Required into Thai, and the translation must generally be certified by the Legalization Division of the Thai Ministry of Foreign Affairs after arrival.
- 7 File with the right consulate Jurisdiction is by your U.S. state of residence. Bring originals plus a full copy set.
The two expensive mistakes. Sending a federal document such as an FBI Identity History Summary to a Secretary of State, which cannot authenticate it. And translating before authentication, so the apostille certificate is not inside the translation and the whole set has to be paid for twice.
How a business visitor visa works, anywhere
A business visitor visa lets you attend meetings, conferences, trade fairs and negotiations. It does not let you work. The distinction is genuinely important and it is not about who pays you: it is about whether you are entering the local labour market. Attending a meeting is visiting. Delivering billable services to a local client, or being productive for a local employer, is working, and it needs a work permit no matter how short the trip or who signs your paycheque.
The core requirements
- An invitation from the host organisation
- On letterhead, stating who you are, why you are coming, exact dates, who pays for what, and the host registration details. This is the single most important document in a business file.
- A letter from your own employer
- Confirming your role, that the trip is on company business, that your salary continues and that you are expected back. It is the ties-to-home evidence in a business file.
- Evidence the business relationship is real
- Conference registration, meeting confirmations, a contract, prior correspondence or a purchase order. A bare invitation with no context is weak.
- Funding
- Either company funding, evidenced by the employer letter, or personal funds. Where the host covers costs, they usually have to prove they can.
- Insurance
- The same requirement as a tourist visa, and the Schengen 30,000 euro minimum applies identically.
Where it goes wrong
- Describing the trip as "work" in the application. Say meetings, negotiations, conference. The word choice matters because the categories are legally distinct.
- Delivering services on a business visa. Installing, repairing, consulting on site and training local staff are frequently treated as work.
- An invitation that does not state who bears the costs.
- Assuming a business visa carries any right to be paid locally. It does not, anywhere.
- Ignoring that some countries require the inviting company to be registered with the immigration authority before it can invite anyone.
Business Visitor Visa for Thailand: common questions
Do I need a visa for Thailand as a U.S. citizen?
This is time sensitive and worth reading carefully. U.S. passport holders enter Thailand under the visa exemption scheme. That exemption was extended to 60 days in July 2024, but a rollback to 30 days has been approved and is reported as taking effect on 15 September 2026. Travellers who entered before the change keep the period stamped in their passport. Separately, and regardless of the length, every foreign traveller must now complete the Thailand Digital Arrival Card online within 72 hours before arrival. It replaced the paper TM.6 form, it is free, and the only official site is tdac.immigration.go.th. Verify the current exemption length before you book, because this rule is moving.
Which of my documents need an apostille for Thailand?
This route is unusually light on authenticated documents. Thailand is NOT a Convention member, so an apostille alone will be rejected and the documents need embassy legalisation on top of domestic authentication. The routing rule that catches people: your FBI Identity History Summary is a federal record and must be authenticated by the U.S. Department of State, while birth and marriage certificates go to the Secretary of State of the state that issued them.
Do my documents need to be translated for Thailand?
Required into Thai, and the translation must generally be certified by the Legalization Division of the Thai Ministry of Foreign Affairs after arrival. Translate after authentication, never before: the apostille or legalisation certificate is itself part of what the receiving authority reads, so it has to be inside the translation. Doing it the other way round means paying for the same translation twice.
How long does a business visitor visa for Thailand take?
The O-A retirement visa takes weeks at a consulate; the LTR runs two to five months through the Board of Investment On top of the decision itself, budget for the parts people forget: appointment availability, document lead times, and authentication. Four to six weeks is comfortable. Where the host must obtain an official invitation from their government, add three to six weeks to that.
What does it cost?
The published short-stay fee for Thailand is $40. Tourist visas where needed are around 40 dollars, the Non-Immigrant O-A around 200 dollars, and the ten-year Long-Term Resident visa around 50,000 baht. Usually identical to the tourist fee for the same country. Schengen is 90 euros. Some countries charge more for long-validity multiple-entry business visas.
Where do I actually apply?
At the consulate with jurisdiction over your U.S. state of residence. The official portal is Thailand e-Visa (official), run by Thai Immigration Bureau. Use it directly rather than a third-party site: the forms are free, and paid intermediaries frequently charge several times the government fee for the identical product.
Is there anything specific to Thailand I should know?
Non-Immigrant B visa, employer-supported, and a separate work permit is required to actually work. The single most important documentary fact about Thailand is that it is NOT yet a party to the Hague Apostille Convention, so an apostille alone is not sufficient and will be rejected. U.S. documents need authentication through the domestic chain and then legalisation by the Royal Thai Embassy in Washington, followed by translation into Thai and certification by the Thai Ministry of Foreign Affairs after arrival. That is a three-step chain and it takes considerably longer and costs more than an apostille. Thailand has however acceded to the Convention, with entry into force scheduled for 28 February 2027, after which the process becomes dramatically shorter.
Official sources for Thailand
- Thailand Digital Arrival Card (official, free) Mandatory within 72 hours before arrival. Free. Beware of paid lookalike sites.
- Royal Thai Embassy, Washington D.C. Visa applications and, crucially, document legalisation.
- Thai Immigration Bureau Extensions, 90-day reporting and re-entry permits.
- Thailand LTR Visa (Board of Investment) The ten-year long-term resident visa.
Verified Sep 7, 2026 Primary sources: www.thaievisa.go.th, www.immigration.go.th
Email this checklist to yourself
A plain-text email you can forward to a spouse, an employer or an attorney. Sent once. No list, no sequence.
This resource is provided free by Federal Apostille as an educational tool. It is not legal or immigration advice, and no attorney-client relationship is created by using it. Visa rules, fees, processing times and entry requirements change frequently and often without notice, and individual circumstances change the answer. Always confirm current requirements with the official government source and the specific embassy or consulate that has jurisdiction over your place of residence before you book travel or file an application. Every figure on this site carries the date we last verified it and a link to the primary source.
