Fiona Garside is an expertise counsel in our antitrust, regulatory and trade practice
Fiona has advised on a wide range of EU and UK competition law matters, including cartel investigations, merger control, market reviews/investigations and competition law compliance, with particular experience in financial services. Her role includes working on client briefings and external publications , as well as training and internal legal support.
Latest thinking
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Legal development 
CMA publishes updated guidance on UK merger procedure
11 Nov 2025
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Legal development
The Winner Takes It All? CMA updates leniency policy
04 Nov 2025
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Legal development
CMA opens the door to behavioural remedies in merger cases
20 Oct 2025
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Legal development
Antitrust, Regulation & Foreign Investment Q3 2025 newsletter
14 Oct 2025
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Legal development
Key takeaways from the fourth UK NSIA annual report
19 Sep 2025
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Legal development
Competing for talent: CMA guidance for HR teams on compliance with competition law
10 Sep 2025
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Quickguides 
Competition Quickguides
09 Sep 2025
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Legal development
High Court rejects second judicial review challenge of NSIA final order
12 Aug 2025
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Legal development
Proposed updates to the UK National Security and Investment Act Regulations
24 Jul 2025
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Legal development 
Antitrust, Regulation & Foreign Investment Q2 newsletter
17 Jul 2025
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Legal development
General Court: statements in earnings calls can trigger competition investigations
17 Jul 2025
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Legal development
From five stars to fines: the risks of fake reviews in the UK
14 Jul 2025
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