Pirical Data Insights

Legal market insights using publicly-available data tracked by Pirical Legal Professionals

Infographic: global data comparison; bar graph, pie chart, world map with colored markers, and bars; green colors.

Data featured in

Law.comBloomberg LawThe LawyerLaw 360The TimesBoston Business JournalGlobal Legal PostLaw SocietyNon-BillableFinancial NewsLaw.comBloomberg LawThe LawyerLaw 360The TimesBoston Business JournalGlobal Legal PostLaw SocietyNon-BillableFinancial News
Bar graph showing data center partner hires by year (2020-2025) with increasing numbers.
by Lakshana Susinthiran • 2 minute read 25 February 2026
Which firms are actively hiring attorneys with data center experience and building out the largest teams poised to jump on this ever-growing industry?
Map: Kirkland & Ellis partner promotions by office. United States and United Kingdom. Green circles show promotions.
by Aidan Scanlon & Emily Turner • 2 minute read 20 October 2025
Despite Kirkland & Ellis making the decision not to publicly announce its newly promoted Partners, we can reveal the details of the 2025 promotion class.

Merger Mania

Map shows partner headcount change after a merger. US and UK maps show increases and decreases, with numbers.
19 December 2025
Hogan Lovells Stands to Significantly Strengthen its Footprint in the New York City Market.
Map showing Winston & Strawn's partner headcount change by merging with Taylor Wessing. Locations in green highlight increases.
16 December 2025
By Merging With Taylor Wessing Winston & Strawn Would Bolster Their European Footprint, Primarily in London
Map showing Ashurst partner headcount change by merging with Perkins Coie, with locations in the USA and England.
by Lakshana Susinthiran & Emily Turner • 2 Minute Read 17 November 2025
By Merging With Perkins Coie, Ashurst Will Bolster Their Presence Across the United States

Latest Data Insights

Bar graph showing partner headcount growth by city. Green bars indicate growth.
by Lakshana Susinthiran • 2 minute read 5 December 2025
There's been a clear burst of investment in the North West legal market over the last few years.
Bar graph: Sensitivity quartile.  High sensitivity: small percentage; Low sensitivity: large percentage.
28 November 2025
Pirical has been working to test ideas about what really drives productivity across the market.
Table showing the largest team moves to and from Big Law firms in 2025 so far.
by Aidan Scanlon • 1 minute read 31 October 2025
Using publicly-available data tracked by Pirical, here are the biggest Big Law team hires of 2025 so far.
Map: Kirkland & Ellis partner promotions by office. United States and United Kingdom. Green circles show promotions.
by Aidan Scanlon & Emily Turner • 2 minute read 20 October 2025
Despite Kirkland & Ellis making the decision not to publicly announce its newly promoted Partners, we can reveal the details of the 2025 promotion class.
Highest growth practice groups, AM Law 200
by Aidan Scanlon & Lakshana Susinthiran • 3 minute read 9 September 2025
We recently did some analysis for the NALP Bulletin+ magazine, looking at how practice demand has been shifting across the AM Law 200.
A green map of the united kingdom on a white background.
by Lakshana Susinthiran • 3 minute read 11 June 2025
Manchester (+32%), Exeter (+32%) and Bristol (+31%) have increased lawyer headcount the most.

Pirical Rankings

The best performing law firms across different jurisdictions and growth metrics.