Kirkland Reaches $10.5B in Revenue, as PEP Up by 20% by RG | Mar 18, 2026 | Law.com The firm increased its partner headcount by about 9% to 1,823, while revenue per lawyer soared nearly 11%, to $2.55 million. The firm increased its partner headcount by about 9% to 1,823, while revenue per lawyer soared nearly 11%, to $2.55 million.