Welcome to Hardman's Key Data, Croner-i's database of rates and allowances for tax years from 2022-23.

Rates and data for tax years prior to 2022-23 can be found here.

The links in the panel to the left guide you to the principal components of the service.

This service, which is updated on a real-time basis, is maintained by:

  • Angela Bedi
  • Laura Burrows CTA ATT
  • Paul Davies FCA
  • Glyn Fullelove ACA, CTA
  • Martin Jackson ATT
  • Sarah Kay CTA
  • Zigurds Kronbergs ARCS, ACA, FCCA
  • Stephen Relf FCA CTA
  • Andy Richens CTA
  • Stephanie Webber ACA CTA

We welcome feedback from our customers. If you have a comment on the content or presentation of Hardman's Key Data, please click here to email your views to us.