Resource Centre

Tax Tables

Corporation Tax

Corporation tax rates

2026/27

2025/26

2024/25

Main rate 25% 25% 25%
Small profits rate 19% 19% 19%
Lower threshold £50,000 £50,000 £50,000
Upper threshold £250,000 £250,000 £250,000
Marginal relief standard fraction 3/200ths 3/200ths 3/200ths
       

Corporation tax allowances and reliefs

2026/27

1-Jan-26 to 31-Mar-26

1-Apr-25 to 31-Dec-25

2024/25

Plant and machinery: main rate expenditure 14% 18% 18% 18%
Plant and machinery: special rate expenditure 6% 6% 6% 6%
Structures and building allowance (SBA) 3% 3% 3% 3%
Annual investment allowance (AIA) £1,000,000 £1,000,000 £1,000,000 £1,000,000
Enhanced capital allowances in freeports 100% 100% 100% 100%
Enhanced capital allowances in investment zones 100% 100% 100% 100%
Enhanced structures and buildings allowance in freeports 10% 10% 10% 10%
Enhanced structures and buildings allowance in investment zones 10% 10% 10% 10%
Special rate first year allowance 50% 50% 50% 50%
Full expensing: first year allowance 100% 100% 100% 100%
Main rate first year allowance 40% 40% N/A N/A
R&D intensive SME additional deduction 86% 86% 86% 186%
R&D intensive SME payable credit rate 14.50% 14.50% 14.50% 14.50%
R&D intensive SME intensity ratio threshold 30% 30% 30% 30%
R&D expenditure credit 20% 20% 20% 20%
Patent box 10% 10% 10% 10%
Film tax relief 25% 25% 25% 25% or 34%
Audio-visual and video game expenditure credit 34%, 39% or 53% 34%, 39% or 53% 34%, 39% or 53% N/A
High-end TV tax relief 25% 25% 25% 25% or 34%
Videogames tax relief 25% 25% 25% 25% or 34%
Animation tax relief 25% 25% 25% 25% or 39%
Children’s TV tax relief 25% 25% 25% 25% or 39%
Open ended investment companies and authorised unit trusts 20% 20% 20% 20%
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