Class 3

If you are a Mariner, our Cardiff office will be able to advise you about your situation.

For full details on Class 3 contributions.

Contact us

We have a special unit to advise mariners about National Insurance contributions. If you need additional information, you can contact us. If you want to email us.

You can write to us at this address:

Marine NICs
HM Revenue and Customs
15th Floor East wing
Ty Glas Road
Llanishen
Cardiff
CF14 5FP

You can also telephone us. The number you call depends on the first letter of your surname.

Surnames beginning

Number to call

A - B

+44 (0)29 2032 6043

C-Da

+44 (0)29 2032 6124

Db - Gl

+44 (0)29 2032 6329

Go- K

+44 (0)29 2032 6979

L - N

+44 (0)29 2032 6302

O - SL

+44 (0)29 2032 6042

SM - Z

+44 (0)29 2032 6419


To help us to advise you about your personal contributions position we will ask you to complete a Questionnaire giving information about you and the ship you work on. You can find the Mariners' Questionnaire (PDF 15K)