ABOUT US

Who we are

American International Tax Advisers is a boutique professional advisory firm providing comprehensive US tax services, Thai tax consultation, international tax planning, and crossborder tax compliance solutions for high-net-worth individuals, expatriates, and global businesses with interests in Thailand and the United States. We specialize in sophisticated US tax preparation and filing, strategic Thai tax planning and advisory, assistance in obtaining Thai Tax Identification Numbers (TIN), and expert guidance on Double Taxation Treaties to ensure optimal global tax efficiency and compliance. Our services further extend to accounting and bespoke bookkeeping solutions, company formation and business structuring in Thailand, and discreet legal advisory services tailored to complex personal and corporate needs. We also provide certified notary services, including document authentication, identity verification, and execution of official instruments. In addition, we assist with IRS forms W-8BEN and W-8BEN-E, FAFSA applications, and insurance annuity claim submissions, delivering precise, confidential, and fully compliant solutions designed to meet the highest standards of international tax, legal, and financial advisory services.