National Companies Unit (NCU)
The contact details shown below should be used for general queries.
Phone
053 9149300
Call charges may vary depending on your telephone provider's service contract.
Telephone opening hours: 9.30 to 16:00 (Monday to Friday)
Email
nationalcompaniesunit@revenue.ie
or
Use the secure 'MyEnquiries' service available in myAccount or ROS.
Postal address
National Companies Unit
Office of the Revenue Commissioners
Business Division
Anne Street
Wexford
Y35 E29K.