Kirkland & Ellis LLP is a global powerhouse law firm, consistently ranked as the world’s highest-grossing and most profitable, realizing approximately US $8.8 billion in revenue in 2024 with profits per equity partner of about US $9.25 million. Since its founding in 1909, Kirkland has grown to employ around 3,500–4,000 attorneys across roughly 21–22 offices worldwide, including major legal hubs such as Chicago, London, Frankfurt, Hong Kong, and Riyadh.

The firm is renowned for its elite capabilities in private equity, M&A, investment funds, restructuring, high-stakes litigation, intellectual property, and complex corporate transactions. Its preeminence has been reinforced by top-tier rankings in Chambers USA—especially in practice areas such as Bankruptcy/Restructuring, Corporate/M&A, and Commercial Litigation—as part of the “Elite” category.

Kirkland is a go-to adviser for major corporations across sectors, including clients like Kellanova, Global Infrastructure Partners, and others on marquee deals totaling hundreds of billions in M&A transactions. The firm is also recognized for its strength in antitrust, private equity, real estate, tax, and ESG-related law—including climate change counsel and sustainable finance structures.