Tax self-assessment

The self-assessment tax return is an unavoidable burden if you are liable for self-employed tax or have complicated income tax affairs.

Tax self assessment - overview

While nobody likes paying tax, the right approach to your self assessment tax return could save you time and reduce the amount of income tax you have to pay.

Registering for self assessment on the HMRC website
Article

Self assessment online

How to register for self assessment online, find your Tax Reference Number (UTR) and set up a personal tax account on the HMRC website.

Calendar giving reminder of self assessment tax return deadline
article

Self assessment deadlines

A guide to the deadlines for registering for income tax self assessment with HMRC, filing your self assessment tax return and paying the tax you owe.

Business owner calculating income tax allowances and tax reliefs
Article

Income tax allowances and reliefs

A guide to UK income tax allowances, including personal income tax allowances and dividend allowances as well as tax reliefs for employees and sole traders.

HM Revenue & Customs form with pound coins
article

Who needs a unique tax payer reference (UTR)?

If you don’t have a Unique Tax Payer Reference (UTR), you won’t be able to file your self assessment tax return - which could lead to some heavy fines. Here's how to get your UTR.

Files showing different types of tax for tax codes
Article

Tax codes: the basics

Everything you need to know about UK tax codes, including how to find your tax code and how to change a tax code that's wrong.

An attractive women celebrates receiving confirmation of her tax refund
Article

How to claim a tax rebate

If you think you paid too much tax, you can claim a tax rebate. This guide tells you how to claim a tax refund as an employee, sole trader or business.

eBay parcels delivered by someone selling on eBay
Article

Etsy, Vinted, eBay and tax

Most of us have sold items online via Etsy, Vinted and other online platforms, but when does selling items online make you liable for tax? Discover the rules on paying tax when you sell online.

Woman getting a second income by running a business  from home
Video

Do you have a second income?

Self assessment tax obligations when you have a second income from working as a freelancer, renting out property or selling items online.

Man in a suit and glasses sat down with tax bills and a laptop at the desk
Article

Five ways to keep your tax bills low

Frustrated that a big slice of your profits goes to the taxman? Ben Dyer explains how to (legally and ethically) minimise how much tax you pay.