Those filing their first self-assessment tax return need a UTR number and time is running out to get one to meet the 31 January deadline.
Vital advice to make sure you don't miss the self-assessment tax return deadline, and how to avoid a fine from HMRC
Find out all the ways you can pay your self-assessment tax bill, from instalments taken from your salary to payment on account and what to do if you're late
Our advice will help make your self-assessment tax return easier, so you can hit the 31 October deadline and avoid a fine from HMRC
This year's second payment on account deadline is on 31 July - find out how it works and how to make your payment to HMRC on time
Find out what HMRC's latest rules for off-payroll working could mean for contractors, recruitment agencies, personal services companies and employers.
Almost half of British adults have never used their personal tax accounts. But the free online service could help you get a tax rebate.
HMRC will soon be able to investigate offshore tax errors up to 12 years after the self-assessment tax return was filed - here's what you need to know
From what documents you'll need to tax-allowable expenses, this is everything you need to know about filing a self-assessment tax return
If you file your tax return late, you need a reasonable excuse to avoid a fine. Which? explores some of the strangest excuses HMRC received in 2017.