Firm Index · Practice × market

Top Environmental firms in Wilmington

The firms combining the deepest environmental footprint with a presence in Wilmington, ranked by the Sartori Firm Index.

How the Index works

01 The ranking

Environmental firms in Wilmington

These law firms pair a strong public Environmental footprint with a recorded presence in Wilmington, 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 environmental work in Wilmington.

#	Firm	Index	Tier	Attorneys mapped	Markets
1	Marshall Dennehey	50.5	National	1,000–1,500	Philadelphia, New York, Pittsburgh…
2	Robinson & Cole	43.1	National	250–500	Hartford, New York, Boston…
3	Archer & Greiner	37.9	National	100–250	Philadelphia, New York, Princeton…
4	Manning Gross + Massenburg	36.3	National	250–500	Boston, San Francisco, Los Angeles…
5	Brooks Pierce	35.8	National	100–250	Greensboro, Raleigh, Charlotte…
6	Cole Schotz	34.6	National	100–250	New York, Dallas, Miami…
7	Weber Gallagher	32.5	National	100–250	Philadelphia, New York, Chicago…
8	Richards Layton & Finger	30.5	National	100–250	Wilmington
9	Margolis Edelstein	29.3	National	100–250	Philadelphia, Pittsburgh, Newark…
10	Maron Marvel Bradley Anderson & Tardy	26.3	National	100–250	Philadelphia, Chicago, Wilmington…