Tax and National Insurance for self-employed or partners
National Insurance: an introduction
The key principles of National Insurance - what is meant by Class 1, Class 2, Class 3, Class 4
Self-employed tax and National Insurance
Registering as self-employed with HM Revenue & Customs, Self Assessment, National Insurance, VAT and record keeping
Identify the National Insurance contributions you must pay
This interactive tool will help you assess which types of National Insurance contribution you need to pay to HM Revenue & Customs


