Find out how to contact the Adjudicator's Office.
The Adjudicators Office can only help with complaints about HM Revenue and Customs (HMRC) and the Valuation Office Agency (VOA).
If you’ve been given a reference number from HMRC or the VOA, include it when you write in or call.
To complain about HMRC or the VOA, write to:
The Adjudicator's Office
PO Box 10280
Telephone: 0300 057 1111
Fax: 0300 059 4513
Monday to Friday, 9am to 5pm
Closed weekends and bank holidays.
The Adjudicators Office cannot accept complaints or enquiries by email.