The AJ100 Index

Fee income & practice profiles for the UK’s biggest architecture practices

Here you can rank, read and compare AJ100 practices’ financial figures and business profiles – including fee income, staff numbers and percentage of female architects – from 2011 onwards. NB all fee and practice data relates to the previous calendar year, for example 2022 fee data is for 2021, and staff numbers are calculated at 31 December of the previous year. Find out more about AJ100.

How to use this site
To display more data or to see the full AJ100 ranking for any year since 2011, click the red button below. Click on a practice name to view the latest profile, and current and historical data. Click here to report a fault.