Gabriella Griggs

Senior Associate

Gabriella Griggs is a senior associate in the Antitrust practice. She focuses on UK and EU antitrust law.


Representative matters

Raytheon on the global merger control and FDI aspects of its $120 billion defence merger with United Technologies.

ADNOC on the establishment of a strategic partnership with OCI for the production of nitrogen fertilizers.

Barry Callebaut on the Phase I clearance from the UK CMA in respect of its acquisition of Burton's Biscuit Company's chocolate manufacturing assets.

Albemarle in respect of merger clearance for its MARBL Lithium joint venture in Western Australia.

Published Work

  • Co-Author, "Case AT.40023 Cross-border access to pay-TV: Paramount's Commitments – The Bigger Picture", Journal of European Competition Law & Practice 2017 1-3



Solicitor, England and Wales

Solicitor, Ireland, On the Roll


King College London - University of London PgDip, EU Competition Law (With Distinction)

Kaplan Law School LPC (With Distinction)

Cambridge University Selwyn College BA, Law

A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.