A&O Shearman Explained

Allen Overy Shearman Sterling LLP
Num Offices:	Over 48 worldwide
Num Lawyers:	Approximately 4,000
Practice Areas:	General practice
Date Founded:	by merger
Company Type:	Limited liability partnership
Homepage:	www.aoshearman.com

Allen Overy Shearman Sterling LLP (commonly A&O Shearman) is a multinational law firm. The firm was formed as a result of a merger between Allen & Overy and Shearman & Sterling, creating a firm estimated to have over 4,000 attorneys across 48 offices with a combined revenue of $3.4 billion.^[1]

The merger terms were announced on 21 May 2023^[2] and approved on 13 October 2023 by more than 99% of partners from both firms.^[3] The merger was completed on 1 May 2024.^[4]

Notes and References

1. News: Sweney . Mark . 2023-05-22 . Law firms Allen & Overy and Shearman & Sterling plan to merge in $3.4bn deal . 2023-06-08 . The Guardian . en-GB . 0261-3077.
2. News: Beioley . Kate . 2023-05-21 . Allen & Overy and Shearman plan merger to create $3.4bn law firm . 2023-05-21 . Financial Times.
3. News: Thomas . David . Merken . Sara . Thomas . David . Merken . Sara . 2023-05-22 . A&O Shearman merger would be a blockbuster, but maybe not a harbinger . 2023-05-25 . Reuters . en.
4. Web site: Merken . Sara . 1 May 2024 . A&O Shearman joins ranks of major transatlantic law firm mergers . 3 May 2024 . Reuters.