>Siam Legal International is one of Thailand’s most visible and long-established full-service law firms, headquartered in Bangkok with additional offices in Chiang Mai, Pattaya, Phuket, Koh Samui, and international locations in London and Las Vegas. The firm provides a broad range of legal services to both Thai nationals and foreigners, including immigration, real estate, corporate law, family law, and litigation.
Unlike many visa agents or business consultants, Siam Legal employs licensed Thai lawyers, foreign attorneys, and immigration specialists under one roof—making it one of the few law firms in the country that bridges both expat legal services and formal litigation support.
What They Do Well:
✔️ Licensed legal firm – not just a visa agent; can represent clients in court
✔️ Offices in multiple Thai cities plus overseas support in the UK and U.S.
✔️ Extensive services including visas, BOI/company setup, family law, and real estate
✔️ Immigration support includes tourist, marriage, retirement, and elite visa assistance
✔️ Clear communication in English with foreign-trained legal staff
✔️ Real estate expertise includes due diligence, land title reviews, and contract drafting
✔️ Transparent service menus and pricing for common immigration tasks (see pricing page)
Potential Drawbacks:
⚠️ Not the cheapest option – legal backing comes at a premium
⚠️ May not be ideal for low-cost or short-term tourist visa extensions
⚠️ Like all firms in Thailand, some bureaucracy still lies with the Thai government
⚠️ High client volume may mean slower response times during peak periods
Key Services Offered
Thai Immigration & Visa Services:
Includes Marriage Visas, Business Visas, Retirement Visas, Permanent Residency, and Thai Citizenship. Also offers U.S., UK, and Australian visa help via foreign legal staff.Real Estate & Property Transactions:
Legal review of purchase contracts, title deed verification, leasehold drafting, BOI-linked project advice, and escrow support.Litigation:
Civil, commercial, and criminal court representation in Thailand, including defamation, fraud, property disputes, and breach of contract.Family Law:
Divorce (Thai and foreign spouse), prenuptial agreements, child custody, and adoption.Corporate & Investment Law:
Business registration, Foreign Business Licenses, Treaty of Amity setup (for U.S. nationals), and BOI privileges for investors.Notary Services, Wills, and Inheritance:
Official document notarization, Thai Last Will drafting, and estate services.
Why Use a Law Firm Instead of a Visa Agent in Thailand?
For most short-term travelers, a visa agent is enough. But if you’re planning to:
Invest in Thai property
Set up a Thai company
Bring a spouse or child into the country
Gain permanent residency or citizenship
Navigate legal disputes, contracts, or inheritance
…a licensed legal firm like Siam Legal provides not just advisory services but formal legal representation, compliance support, and multi-layered documentation that visa agents are not authorized to offer.
Best For:
Foreigners planning long-term residence, legal investment, family settlement, or formal litigation in Thailand. Ideal for those seeking legal certainty, not just immigration facilitation. Particularly suitable for U.S. citizens leveraging the Treaty of Amity, property investors, retirees, and foreign couples.
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FAQ
Can I leave and re-enter Thailand on a DTV?
The Destination Thailand Visa (DTV) is a multiple-entry visa that does not require you to apply for a re-entry permit. There is no limit to the number of times you can exit and return to Thailand while holding a DTV, so long as it is active.
How Long is the processing time for the DTV Visa Thailand?
The processing times vary depending on the Thai Embassy in charge of assessing your application. On average, Thai Embassies located in neighboring countries (such as Laos and Vietnam) could take 1 week to process your applications. If you applied through Thai Embassies located in Western countries (such as the US or the UK), it could take between 2 to 4 weeks to receive your DTV.
Is the Destination Thailand Visa the same as the Thai Digital Nomad Visa?
"Digital Nomad Visa" is a kind of visa offered by many different nations intended for remote workers, and Thailand’s version is called the Destination Thailand Visa. Therefore, some people use "Digital Nomad Visa" interchangeably with "Destination Thailand Visa."
Can I open a business on a Destination Thailand Visa?
You can open a Thai business while on a Destination Thailand Visa and become a shareholder of that company. However, you cannot work as an authorized director or as an employee in another role, as this will require a Thai work permit and business visa.
Can I satisfy the financial requirement with assets?
No, you cannot fulfill the financial requirement with money from assets such as stocks, property, or cryptocurrency. Only liquid assets such as cash are acceptable to fulfill the 500,000 THB financial requirement, and you will have to prove you hold this amount with documentation such as a bank statement.
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