American Expat Tax Services (AET)
In May 2025, Greenback Expat Tax Services welcomed American Expat Tax Services (AET) into the Greenback family. AET has long been a trusted name among Americans abroad for its expertise in managing complex international tax situations.
This partnership strengthens Greenback’s mission to serve every type of U.S. expat—from straightforward filers to those with advanced cross-border, investment, or business needs.
AET’s Expertise & Specialization
AET is the boutique expert within the Greenback family of brands.
For more than 30 years, the AET team has specialized in high-complexity expat returns, including:
- U.S.–Canada dual filings and treaty applications
- PFIC and Form 8621 preparation
- Foreign corporation reporting (Form 5471 and 8865)
- Attorney-supported (Kovel) arrangements and B2B consulting
With deep experience across U.S. and international tax law, AET brings the precision and personal attention needed for intricate, multi-jurisdiction tax matters.
Strengthening Expat Tax Services
Together, Greenback and AET are building a tax ecosystem for Americans abroad:
Greenback delivers the speed, simplicity, and transparency most expats need; AET provides specialist expertise for clients with unique or advanced circumstances.
