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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




Starting up


Considering starting up?


Starting a business - meeting the challenges


Finding and managing the money


Choosing and setting up a legal structure


Naming your business


Buying a business


Choosing and setting up premises


Keeping the workplace safe and your employees healthy


Taxes and paperwork - getting started

Current section

Tax and National Insurance for self-employed or partners


Corporation Tax




Tax and payroll for employers


Becoming an employer for the first time


Sales and marketing


Financial control


Operations and transport


Contracts and suppliers


IT and e-commerce for start ups


Importing and exporting


Protecting your business & ideas


Choosing advisers and services


Understanding the European market