From what documents you'll need to tax-allowable expenses, this is everything you need to know about filing a self-assessment tax return
Based on a report by the Office of Tax Simplification, we look at how innovative fintech might change how people pay tax in the future
More than 3.5 million people have just one week to file their self-assessment tax return. Which? explains what you need to do to meet the deadline.
Errors on tax returns can cause you to overpay your tax bill. Which? explains the most common reason for mistakes and how you can fix them.
Find out about tax-deductible expenses for employed and self-employed people, and how much it could cost you if you forget to claim them
Find out how you measure up against those who took our Great British Tax Quiz - half of whom didn't know what their personal allowance was
If you don't apply for a UTR number today, you may run out of time to submit your self-assessment tax return without incurring a late fine.