Firm Index · Practice × market

Top Technology, Data & Privacy firms in Chicago

The firms combining the deepest technology, data & privacy footprint with a presence in Chicago, ranked by the Sartori Firm Index.

How the Index works

01 The ranking

Technology, Data & Privacy firms in Chicago

These law firms pair a strong public Technology, Data & Privacy footprint with a recorded presence in Chicago, ranked by the Sartori Firm Index — a 0–100 measure of scale, reach and hiring built from public data. The ranking reflects public footprint and momentum, not the quality of any firm's technology, data & privacy work in Chicago.

#	Firm	Index	Tier	Attorneys mapped	Markets
1	DLA Piper	76	Global	4,000+	London, New York, Washington…
2	Ashurst Perkins Coie	69.6	Global	1,500–2,500	Seattle, London, New York…
3	Cooley	56.7	Global	1,500–2,500	San Francisco, Washington, New York…
4	Reed Smith	54.9	Global	1,500–2,500	London, Pittsburgh, New York…
5	Ogletree Deakins	51.7	Global	1,000–1,500	Los Angeles, New York, San Francisco…
6	Fisher Phillips	51.5	International	500–1,000	Los Angeles, Atlanta, San Diego…
7	Freeman Mathis & Gary	49.3	National	500–1,000	Atlanta, Los Angeles, Philadelphia…
8	Kilpatrick	48.2	International	1,000–1,500	Atlanta, San Francisco, Winston-Salem…
9	Shook Hardy & Bacon	48.2	National	500–1,000	Kansas City, Los Angeles, Houston…
10	Jackson Lewis	48.1	National	1,000–1,500	New York, Los Angeles, San Francisco…
11	Polsinelli	47.6	National	1,000–1,500	Kansas City, Chicago, St. Louis…
12	Constangy Brooks Smith	36.3	National	250–500	Los Angeles, Atlanta, Philadelphia…
13	Fish & Richardson	33.7	International	250–500	Washington, Boston, Minneapolis…
14	CM Law	27.9	National	50–100	New York, Chicago, Atlanta…
15	Milberg	22.1	National	50–100	New York, San Juan, Knoxville…