# Siam Attorney Thailand Professional Lawyers

> Siam Attorney is a full-service law firm based in Bangkok and Phuket, Thailand, serving foreign and Thai clients on immigration, business, family/divorce, and property law matters. The firm has practiced for 17+ years and specializes in assisting expatriates living in or relocating to Thailand.

Contact: support@siam-attorney.com | +66 (0) 2-182-9770 | Offices in Bangkok (Interchange 21 Building, Sukhumvit) and Phuket (Royal Phuket Marina)

## Business Services

- [BOI Thailand](https://siam-attorney.com/boi-thailand/): Board of Investment application process, requirements, cost, and timeline for foreign and Thai investors.
- [Thailand Company Registration](https://siam-attorney.com/thailand-company-registration/): Registering a limited company in Thailand.
- [Representative Offices in Thailand](https://siam-attorney.com/representative-offices-in-thailand/)
- [Shelf Company in Thailand](https://siam-attorney.com/shelf-company-in-thailand/)
- [Treaty of Amity](https://siam-attorney.com/treaty-amity/): US-Thailand Treaty of Amity business rights.
- [Thailand Work Permit Service](https://siam-attorney.com/thailand-work-permit/)
- [Accounting and Tax Service](https://siam-attorney.com/accounting-tax-service/)
- [Translation Service](https://siam-attorney.com/translation-service/)

## Legal Services

- [Notary Public](https://siam-attorney.com/notary-public/): Notarization, document certification, and legalization services, including cost and the upcoming Apostille Convention.
- [Last Will and Testament Thailand](https://siam-attorney.com/last-will-thailand/): Drafting an enforceable will under Thai law.
- [Probate & Administrative Application](https://siam-attorney.com/probate-administrative-thailand/): How to file a Probate/Administrative Application in Thailand, process, cost, and inheritance transfer.
- [Marriage Registration in Thailand](https://siam-attorney.com/marriage-registration-in-thailand/)
- [Prenuptial Agreement](https://siam-attorney.com/prenuptial-agreement/)
- [Dispute Resolution and Litigation](https://siam-attorney.com/dispute-resolution-and-litigation/)
- [Arbitration Service in Thailand](https://siam-attorney.com/arbitration-thailand/)
- [Intellectual Property](https://siam-attorney.com/intellectual-property/)
- [Trademark Registration](https://siam-attorney.com/trademark-registration/)

## Immigration Services

- [Thailand Visa](https://siam-attorney.com/thailand-visa/): Overview of Thai visa categories.
- [Thai Marriage Visa](https://siam-attorney.com/thai-marriage-visa/)
- [Retirement Visa in Thailand](https://siam-attorney.com/retirement-visa-in-thailand/)
- [Student Visa Thailand](https://siam-attorney.com/student-visa-thailand/)
- [US Visa for Thai](https://siam-attorney.com/us-visa-for-thai/): K1, K2, K3, CR1/IR1 spouse visas, US Tourist Visa.
- [Canada Visa](https://siam-attorney.com/canada-visa-from-thailand/): Spouse and visitor visas from Thailand.
- [UK Visa from Thailand](https://siam-attorney.com/uk-visa-from-thailand/): Fiancée, spouse, and visitor visas.
- [Australian Visa for Thai](https://siam-attorney.com/australian-visa-for-thai/)
- [Schengen Visa](https://siam-attorney.com/schengen-visa-from-thailand/)

## Divorce Services

- [Divorce in Thailand](https://siam-attorney.com/divorce-in-thailand/): Step-by-step divorce process, cost, and same-sex divorce rules under the 2025 Marriage Equality Act.
- [Grounds for Divorce in Thailand](https://siam-attorney.com/grounds-for-divorce-in-thailand/)
- [Division of Assets](https://siam-attorney.com/division-assets/)
- [Child Custody](https://siam-attorney.com/child-custody/): How Thai courts decide custody, the 8 key factors, cost, and cross-border child abduction protection under the Hague Convention.
- [Child Support](https://siam-attorney.com/child-support/)
- [Guide Line for Thai Divorce Agreement](https://siam-attorney.com/guide-line-thai-divorce-agreement/)

## Property Services

- [Property Due Diligence](https://siam-attorney.com/property-due-diligence-thailand/)
- [Buy a Condominium](https://siam-attorney.com/buy-a-condominium/)
- [Buying a House in Thailand](https://siam-attorney.com/buying-house-thailand/)
- [Lease Property in Thailand](https://siam-attorney.com/lease-property-thailand/)
- [Phuket Property Lawyers](https://siam-attorney.com/property-lawyers-phuket/)
- [Bangkok Property Lawyers](https://siam-attorney.com/property-lawyer-bangkok/)