Thank you! Following your advice, I tried searching for tax advisors online and in the golden pages, and I got a bit overwhelmed because I didn't know who the "big firms" are. A few websites mentioned international tax, but I kind of got the impression that they were targeting wealthy clients. Can anyone give me the names of a few big tax advisor firms? I would be especially interested if you know of someone who can handle the occasional U.S. tax query and is happy to deal with ordinary (non-wealthy) people.