Setting Up a Business in Thailand: 2026 Guide

Every year, thousands of founders arrive in Bangkok convinced the hard part is over once the plane lands. The deal is signed. The market is huge. The lifestyle sells itself. Then the paperwork begins and Thailand teaches its first lesson: this is a country that rewards preparation and quietly punishes guesswork.

The good news is that the path is well mapped. The businesses that struggle are rarely the ones that got the law wrong. They are the ones who did not know which question to ask first. Here is what it actually takes to launch and run a business in Thailand in 2026.

Start with the structure, because everything else follows it

Your company structure is not an administrative detail. It decides how much of your own business you can own, how many foreign staff you can hire and what you pay in tax for the next decade. Choose it last and you will spend years working around it.

Three routes cover most foreign-led ventures.

The Thai Limited Company (Co., Ltd.) remains the workhorse. As of 2026 you need just two shareholders, down from three and registration runs entirely through the Department of Business Development's digital DBD BizRegist platform. It is flexible. Banks understand it. It pairs cleanly with visas and work permits. Its catch is the 49 percent foreign ownership ceiling.

A BOI-promoted company is where serious investors look. Promotion from the Board of Investment can unlock full foreign ownership, corporate income tax holidays of up to eight years, import duty exemptions and the right to own land. Promotion is activity-based rather than company-based, so it favours high-value sectors: artificial intelligence, advanced manufacturing, digital platforms, biotech. Worth knowing before you get your hopes up: the longest tax exemptions go to top-tier strategic projects, not to every promoted company. Our guide to BOI promotion in Thailand breaks down which tier your activity is likely to land in.

A Foreign Business License (FBL) is the third route, allowing majority foreign ownership in certain restricted activities without BOI promotion. Approval is discretionary and the timeline is slower.

Takeaway: if you intend to own more than half your company or hire more than one or two foreigners, investigate BOI before you register anything. Retrofitting is expensive.

The 49 percent rule and the shortcut that is not one

Under the Foreign Business Act, a standard Thai Limited Company caps foreign shareholding at 49 percent. Thai nationals hold the other 51 percent.

Some founders are tempted to paper over the gap with nominee shareholders who hold Thai shares in name only. Do not. The practice is illegal, increasingly scrutinised and it converts a solvable structuring problem into a criminal one. Enforcement has tightened noticeably in recent years.

Founders who want genuine control have two legitimate options: BOI promotion or an FBL. Which fits depends on your industry, your investment size and your exit plans.

Takeaway: there is no legal workaround for majority ownership. There are only two legal routes to it. Pick one deliberately.

Owning the company does not let you work in it

The visa-and-work-permit chain trips up more founders than any other stage, largely because the order is unforgiving.

Obtain a Non-Immigrant B visa from a Thai embassy before you arrive. You generally cannot convert a tourist entry into work status from inside the country, so arriving on a visa exemption and hoping to sort it out later means a flight home. Then apply for a work permit once the company is registered. Then renew both annually.

For a standard company, each foreign work permit typically requires around two million baht in registered capital and four Thai employees enrolled in Social Security per foreign hire. That four-to-one ratio must hold continuously, not just on application day. BOI-promoted companies are exempt from it and get dedicated, faster processing, which is precisely why scaling teams favour the BOI route. Our full breakdown of Thai visas and work permits covers the LTR, SMART and DTV options for founders whose situation does not fit the standard mould.

Takeaway: your hiring plan and your visa strategy are the same conversation. Model both before you register.

Compliance is where the real work lives

Setup is a project with an end date. Compliance is the job that never finishes and it is where unprepared businesses get caught.

Monthly withholding tax and VAT filings land on strict deadlines. Social Security contributions are due for every employee. Audited financial statements are mandatory each year regardless of revenue, even for a dormant company. Annual general meetings and corporate filings go to the DBD. Foreign nationals file 90-day reports alongside visa renewals. BOI companies now face 2025 to 2026 rules on expatriate salary thresholds and PND 1 payroll filings, applied retroactively to existing promotions.

Miss a filing and penalties stack fast: fines, blocked renewals, cancelled permits. If you want the dates in one place, our Thai bookkeeping and filing calendar lays out the year. Our guides to payroll compliance for foreign employers and Thai business tax go deeper on the two areas that generate the most penalties.

Takeaway: budget for compliance from month one. It is an operating cost, not a startup cost.

Frequently asked questions

Can foreigners own a company in Thailand? Yes. Foreigners can own up to 49 percent of a standard Thai Limited Company. Full or majority foreign ownership is possible through BOI promotion or a Foreign Business License, depending on your business activity.

How much does it cost to set up a company in Thailand? Government registration fees are modest, but the real figure depends on your registered capital, whether you need work permits and which structure you choose. A standard Co., Ltd. supporting one foreign work permit generally needs two million baht in registered capital. Professional fees vary by scope, so ask any provider for an all-in figure that includes visas, work permits and first-year compliance rather than registration alone.

How long does company registration take in Thailand? Registration itself can be completed in a matter of days through DBD BizRegist once documents are in order. The realistic timeline to being operational, including a corporate bank account, visa and work permit, is usually several weeks. BOI applications add their own review period.

Do I need a Thai partner? Not necessarily. You need Thai shareholding only if you use a standard Co., Ltd. structure and want to stay within the Foreign Business Act. BOI promotion and an FBL both allow majority foreign ownership without a Thai partner.

One team, the whole journey

Setting up in Thailand is not one task but a dozen interlocking ones: structuring, registration, ownership strategy, visas, work permits, banking, accounting, payroll and year-round compliance. Stitch together separate lawyers, accountants and visa agents and you will spend more time coordinating them than building your business. We wrote about why vendor consolidation matters for exactly this reason.

That gap is what Settlr Global was built to close. We handle company formation, BOI and FBL applications, the full visa-and-work-permit chain, accounting, payroll and ongoing compliance under one roof, with one point of contact who understands your business. Settlr Global operates as part of the Wows Global group.

Thinking about launching or expanding into Thailand? Book a call with our team and we will map out the right structure for your goals before the paperwork starts.