HTJ.Tax is a US and international tax advisory firm. Hayden T Joseph does business as HTJ.Tax, and the firm describes itself as a member of Moores Rowland International. Its Spain page presents an American taxation service in Spain for US expats and for anyone else exposed to the US tax system.
The firm says its American tax service has been in practice since 1980, and that the leader of its US tax team completed the Comparative Tax Program at Harvard University. It lists an office in Barcelona and describes its team there as IRS Enrolled Agents.
For Spain, the firm works with US citizens, green-card holders, international entrepreneurs, investors with US exposure, remote workers paid in USD, freelancers and digital nomads, and high-net-worth individuals. Its published Spain material covers residency and filing, Spanish income tax and the Beckham Law, the US-Spain treaty and totalization, wealth tax, Modelo 720 and US reporting obligations.



