You deserve to understand exactly how your money works within the UK tax system, and our expert-written guides make even the most complex tax matters refreshingly simple. The Tax Guide is here to help.
Try our 7 free tools including the HMRC Red Flag Checker, Income Tax Calculator, Tax Code Explainer, Self Assessment Helper and Stamp Duty Calculator to get instant personalised help.
Most Read
MTD for Income Tax: Who's Affected from April 2026 and What to Do This Week
Making Tax Digital for Income Tax started 6 April 2026 for sole traders and landlords with over £50,000 of qualifying income. Here is what you have to do, and by when.
Tax on Bank and Building Society Accounts
Bank and building society interest is usually taxed at 20% or 40%, but you get a personal allowance of up to £1,000 tax-free depending on your income bracket.
What Is A Close Company And How Does It Work?
A close company is a UK private business controlled by up to five people or where all shareholders are directors.
HMRC Red Flags in 2026: Six Areas Most Likely to Attract Attention
Six areas HMRC is most likely to query in 2026, including undeclared side-hustles, crypto gains, rental income and director's loans.
Browse Topics
Free Tax Tools
Ask Our Experts
Transport
Savings & Investments
Tax Credits
Cutting Tax Bills
Inheritance Tax
Corporation Tax
Stamp Duty
Wills
Pensions
Tax Tips
Business Tax
Self Assessment
Freelancers & Contractors
Case Studies
Professional Services
Personal Income Tax
VAT
Latest Articles and Tools
HMRC Red Flag Checker
Income Tax Calculator
Crypto Tax in 2026: What HMRC Will Know Once CARF Kicks In
Director's Loan Accounts: The £10,000 Trap and the 9-Month Deadline
MTD for Income Tax: Who's Affected from April 2026 and What to Do This Week
HMRC Red Flags in 2026: Six Areas Most Likely to Attract Attention
Junior ISAs: Tax Free Way to Save for Your Child
Umbrella Companies: A Quick Start Guide
Tax on PPI Repayments: What Do I Need to Do?
Auto Enrolment: How Will it Affect Me?
Tax Efficient Alternatives to the Child Trust Fund
Top 10 Self Assessment Tips
About This Site
Expert Advice for all Your Tax Affairs...