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U.S. Income Tax

All U.S. citizens and Resident Aliens are subject to U.S. Internal Revenue Service (IRS) income tax filing rules based upon their worldwide income. They are required to report their worldwide income to the U.S. each year, regardless of where they live and/or work.

If you have questions involving taxation, please contact the nearest IRS office, located at the U.S. Embassy in London:

Internal Revenue Service Office
American Embassy
24 Grosvenor Square,
Box 44
London W1A 1AE, United Kingdom.

Phone: +44-207-894-0477, Monday-Friday, 9am-12noon (UK time)
Fax: +44-207-495-4224.


For frequently asked questions regarding income tax, please see FAQs listed on the website of the IRS office located at the U.S. Embassy in London, or browse the IRS FAQ's.