FGS Global is a strategic advisory and communications consultancy formed in 2021 by the merger of Finsbury Glover Hering and Sard Verbinnen & Co.

[6][7] In 2012, The Times reported that Alisher Usmanov, a Russian billionaire who was about to launch one of the largest stock market listings in London for his MegaFon mobile phone company, hired RLM Finsbury which "covertly cleaned up his online image and removed details of his past" before the offering.

[8] The Telegraph reported that RLM Finsbury staff anonymously "deleted details of a Soviet-era criminal conviction and freedom of speech row" and then "replaced those sections with text outlining Mr Usmanov's philanthropy and art collection.

"[9] According to O'Dwyer's PR, the firm publicly apologised in The Times, giving the following statement: "This was not done in the proper manner nor was this approach authorized by Mr. Usmanov.

[17] In December 2021, Finsbury Glover Hering and Sard Verbinnen & Co. merged and rebranded as FGS Global, with Geiser appointed as CEO.

[22] In April 2023, US private equity investor KKR was reported to be in talks to buy a stake in FGS Global.

Golden Gate Capital owned 40% of Sard Verbinnen & Co., and holds a small stake in FGS Global following the merger.

[17] The Glover Park Group was founded in June 2001 by former White House and Democratic campaign officials Michael Feldman, Carter Eskew, Joe Lockhart and Chip Smith.