TAX GUIDE 2026
UK Business Tax Guide
Everything you need to know about business taxes in the United Kingdom. From Corporation Tax to VAT, PAYE to Business Rates - your complete resource.
Key Business Taxes in the UK
Corporation Tax
25%Main rate for companies with profits over £250,000. Small profits rate of 19% applies to companies with profits under £50,000.
Learn more →VAT (Value Added Tax)
20%Standard rate applies to most goods and services. Reduced rate of 5% and zero rate apply to specific items.
Learn more →Employer National Insurance
13.8%Employers pay NICs on employees earnings above £175 per week. Employment Allowance of £5,000 available for eligible businesses.
Learn more →Business Rates
VariesTax on non-domestic properties. Small Business Rate Relief available for properties with rateable value below £15,000.
Learn more →Important Tax Deadlines 2025/26
31 January 2026
Self Assessment tax return deadline
5 April 2026
End of 2025/26 tax year
6 April 2026
Start of 2026/27 tax year
31 July 2026
Second payment on account due
5 October 2026
Register for Self Assessment if new to self-employment
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