General enquiries

Please contact the WTL Advice Line by email 

Water Technology List
Ricardo Energy & Environment
Gemini Building
Fermi Avenue
OX11 0QR

Application enquiries

Please log into the website, navigate to the appropriate application and use the messaging system to send an email to the person reviewing the application. Or alternatively contact the WTL Advice Line using the details above.

Tax enquiries

If your query relates to tax policy, please contact:

Tunde Ojetola
Capital Allowances Policy
03000 58 5916

For general enquiries about HMRC, please contact:

HMRC Corporation Tax Services
PO Box 29997
G70 5AB

Tel: 0300 200 3410
International: +44 151 268 0571
(8am - 6pm, Monday to Friday)

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