HMRC Patent Box statistics 2025 – our commentary

HMRC has provided information on the number of companies claiming corporation tax relief within the Patent Box scheme and the value of projected claims for the year 2023-24.

Key points to show the value of Patent Box to innovative business in the UK

Patent Box claims since the scheme began

Claims since the scheme began 15,980 company claims Approx £12.35bn in tax relief claimed

Projected Patent Box claims 2023-24 – compared to previous year

Marginal change from last year 1,650 companies opted in to Patent Box
Marginal change from last year SME claims 1,175
36% increase from previous year £1.977bn relief claimed under Patent Box

Projected claims in the tax year 2023-24

Large companies accounted for 95% of relief claimed
70% Manufacturing and Professional, Scientific and Technical

28% were classified as ‘Large’, but these companies accounted for most of the relief claimed (95%).

70% of the companies were in the Manufacturing and Professional, Scientific and Technical sectors.

An estimated 41% of the total amount of relief provided was to the Manufacturing sector.

The number of companies electing in to Patent Box varies significantly across UK regions, with the highest number in London and East England (21%) and the lowest, for which data is available, in the North East (2%). There is also significant regional variation in the value of relief claimed; companies in London and East England claimed the largest amount of relief (65%).

*SMEs defined as micro, small and medium by HMRC
The statistics published here for 2023-24 will be updated based on a complete set of data in the next annual release (Autumn 2026). The projections have been made based on the amount of claims that have been made so far, and the previous’ years data of the amount of claims that are usually made later on.

Comments from our IP & Policy Lead, Akshay Thaman

See other years’ HMRC statistics