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Decision guides

Compare your options before you spend time and government fees on the wrong route

Every guide below answers one decision a client actually faced: which route is cheaper, which is faster, which agencies are involved, what paperwork each one demands, and what usually goes wrong. Read the quick answer, scan the fact table, then take the checklist to whichever office you have to visit.

Comparison guides at a glance
DecisionOption AOption BGuide
Apostille vs embassy legalizationApostille (destination is a Hague 1961 party)Legalization at the destination's embassy or consulateRead
BOI vs Amity Treaty for foreign-owned businessBOI investment promotionThai–US Treaty of AmityRead
In-house accountant vs outsourced accounting firmIn-house accountantOutsourced accounting firmRead
Mediation vs litigation for commercial disputesMediation and negotiated settlementFiling a court caseRead
Work permit vs Non-B visa in ThailandNon-B visa — permission to enter and stayWork permit — permission to workRead
Foreign condo ownership vs long-term land leaseBuy a unit within the foreign quotaLong-term lease of land or a houseRead
Sole proprietorship vs limited company in ThailandCommercial registration as an individual traderPrivate limited company (separate legal entity)Read
Retirement visa (Non-O) versus the LTR long-term resident visaNon-O retirement visa renewed each yearLTR long-term resident visaRead
Registering a marriage in Thailand versus registering in the spouse's countryRegistering at a Thai district or khet officeRegistering in the foreign spouse's own countryRead
Filing a trademark in Thailand versus filing through the Madrid SystemFiling national applications office by officeFiling one international application through the Madrid SystemRead
e-Tax invoice vs paper tax invoiceIssue electronic tax invoices (e-Tax Invoice)Continue issuing paper tax invoicesRead
Register for VAT early vs waiting for the thresholdVoluntary VAT registration from day oneWait until turnover reaches the compulsory levelRead
Trademark opposed: fight it or refileContest and argue the caseAdjust the mark or the goods list and refileRead
Running payroll in-house vs outsourcing it monthlyKeep it in-house with your own HROutsource to a monthly payroll teamRead
Hiring foreign staff in-house vs using a managed providerYour own HR team runs the filingsA managed provider runs the whole fileRead

Talk to a person instead

Call +66-92-017-0000, email contact@tla.co.th, or message us on LINE. We answer in English and Thai, Monday to Saturday, 09:00–18:00 Bangkok time.

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Written by Thai Law & Accounting Services — attorneys and licensed accountants

Reviewed by a Notarial Services Attorney registered with the Lawyers Council of Thailand.

Last updated 2026-08

Information as of August 2026. Government fees and processing times change — verify with the relevant agency before acting, or let our team verify for you.

contact@tla.co.thจ.–ส. 9–18น.15 นาที