Jackie Holland
Partner
“Stands out for her significant experience in the public and private sectors.”
The Legal 500
“The ‘excellent’ Jackie Holland is a go-to lawyer for large-scale UK and EU enforcement, regulatory and litigious antitrust matters.”
Who’s Who Legal
Jackie Holland’s practice focuses on EU and UK antitrust enforcement, merger control, State aid/subsidies, competition litigation, market investigations, and sectoral regulation.
She represents clients before the Competition and Markets Authority, the European Commission, and sectoral regulators, as well as in litigation in the UK Competition Appeal Tribunal and the European Court of Justice.
Jackie brings to her client work more than 30 years of experience in the public and private sectors. She has particular insight into the working practices of the competition authorities having spent five years in senior positions at the Office of Fair Trading, including Senior Director of the Policy Group and a Phase 1 decision-maker for mergers. She helped to reform the agency’s merger control regime and antitrust procedures, and introduced a Procedural Officer to oversee the agency’s casework.
Notable Experience
Synopsys in its pending $35 billion acquisition of Ansys.
Giphy on the CMA’s Phase 2 investigation into Meta’s acquisition of Giphy, Meta’s appeal to the Competition Appeal Tribunal, and on the CMA’s second Phase 2 investigation on remittal.
Google on the CMA’s mobile ecosystems market study.
Veolia Environnement, the global leader in optimized resources management, in its successful €12.9 billion acquisition of Suez.
Prior to joining Cleary, Jackie’s notable experience included:
The Stars Group on its merger with Flutter Entertainment.
Elanco on its proposed acquisition of Bayer’s Animal Health Business.
Salesforce on its acquisition of Tableau Software.
Dignity on the CMA’s market investigation into funerals and crematoria services.
Vocalink on its acquisition by Mastercard, which was cleared by the CMA at Phase 1 following the submission of a package of behavioural undertakings.
HM Treasury on the alternative State aid remedies package agreed with the European Commission in relation to RBS’s retail and SME banking business, Williams & Glyn.
BEIS (formerly DECC) on successfully obtaining State aid approval for the UK government’s support for the construction of Hinkley Point C nuclear power station, on its intervention in the appeal to the General Court brought by Austria against the approval, and on a number of renewable energy projects.
Selected Activities
trigger- Non-Governmental Adviser, International Competition Network
- Law Society of England Wales – Competition Section
- European Competition Lawyers Forum
- European State Aid Law Association
Publications
Changes to UK Competition and Consumer Enforcement in 2025: What You Need to Know
UK National Security Regime: Annual Report 2024 and Observations on Recent Practice
Court of Appeal upholds extraterritorial information-gathering powers
Amendments to the Digital Markets, Competition, and Consumers Bill Passed
UK Government Considers Changes to National Security and Investment Regime
CMA Publishes Initial Report on AI Foundation Models and Guiding Principles for Firms
UK National Security Regime: Annual Report 2023 and Observations on Recent Practice
UK National Security Regime: Enforcement Practice and Updated Guidance
CMA Consults on Environmental Sustainability Agreement Guidelines
UK Courts Identify Territorial Limits on the CMA’s Investigatory Powers
CMA to Be Given New Powers to Enforce Consumer Law and Impose Significant Fines
UK Government Confirms Plans for Digital Markets Regulatory Regime
CMA Seeks Comments on Draft Guidance for its Proposed Vertical Agreements Block Exemption Order
Wide-Ranging New UK National Security Regime Comes Into Force
Government Consults on ‘Ambitious’ Reform to UK Competition Policy
New UK National Security Regime to Come Into Force in January 2022
Events
April 18, 2024
January 11, 2023
October 28, 2022
October 19, 2022
June 28, 2022
The UK’s National Security Screening Regime: The First Six Months
April 26, 2022
The Digital Markets Act – Unpacking the EU’s Transformative New Tool Box
March 9, 2022
June 24, 2021
May 20, 2021
UK Antitrust Enforcement Post-Brexit: What’s New and What’s to Come