In mergermarket's League Tables of Legal Advisers to M&A for Year End 2011, Kirkland was ranked:
- #1 for Global Buyouts by Volume
- #1 for Americas M&A by Volume
- #1 for U.S. Buyouts by Volume
- #1 for U.S. M&A by Volume
- #1 for U.S. Midwest M&A by Volume
- #1 for U.S. Northeast M&A by Volume
Rankings are based on announced transactions (including lapsed and withdrawn deals) from January 1, 2011, through December 31, 2011. Deals are included when the transaction value is greater than $5 million. Deals with undisclosed deal values are included where the target's turnover exceeds $10 million.