End-of-year queries - Send an email

You can send your query about end-of-year by email and HM Revenue & Customs (HMRC) will reply within two working days. If we need more information or your enquiry is more complex we may call you to discuss your query in more detail. This email is only for enquiries about ending the tax year and we are not able to reply to any other type of query.

Send an email about ending the tax year

By emailing from the HMRC site your email is more secure, but our reply to you is not. This means that our email reply will not contain confidential information.

Welsh Language

If you want to communicate with HMRC in the Welsh language about any end-of-year queries you may have, please use the following link to send your contact details by email and an advisor will call you to deal with your enquiry. Alternatively you can call the Welsh language helpline.

Find contact details for the Welsh language helpline

Send email to Welsh Contact Centre

By emailing from the HMRC site your email is more secure, but our reply to you is not. This means that our email reply will not contain confidential information.

Iaith Gymraeg

Os hoffech gyfathrebu â CThEM trwy gyfrwng y Gymraeg ynghylch unrhyw faterion sy’n ymwneud â diwedd y flwyddyn, defnyddiwch y cysylltiad canlynol er mwyn anfon eich manylion atom ar e-bost, a bydd cynghorydd yn eich ffonio er mwyn delio â’ch ymholiad. Fel arall, gallwch ffonio’r Ganolfan Gyswllt Cymraeg.

Manylion cyswllt y Ganolfan Gyswllt Cymraeg

Anfon e-bost i’r Ganolfan Gyswllt Cymraeg

Drwy e-bostio o wefan Cyllid & Thollau EM mae’ch e-bost yn fwy diogel, ond nid yw ein hateb i chi. Mae hyn yn golygu na fydd ein hateb yn cynnwys gwybodaeth gyfrinachol.