Walker is perennially ranked by Chambers Asia under the categories “China, Corporate/M&A” and “China, Private Equity: Buyouts (International Firms)”, including in the 2021 edition, and by Chambers Global 2020 under the Corporate/M&A category for the China region. He was also named to the “Hall of Fame” in the 2021 Asia-Pacific Legal 500 for both the categories of M&A and Private Equity in China. In the 2020 IFLR 1000 rankings, Walker received special recognition as a “Leading Lawyer” in the Mergers and Acquisitions and Private Equity categories.