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Catherine McGarrell
Mass Litigation Team
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About Catherine

With experience in immigration law and homelessness advocacy, Catherine’s interest in legal frameworks for human rights and social justice brought her to Thompsons.

Catherine joined Thompsons while still at university, before training and qualifying within the Mass Litigation Team.

In this team she had responsibility for a case-holding of complex medical product liability cases, including; claims arising from the PIP breast implant scandal (litigated in Scotland’s Court of Session and various French courts), polypropylene vaginal mesh, and cases arising from the historic infected blood scandal. Her caseload also comprised of highly sensitive litigation, including claims arising from the baby ashes scandal and historic childhood sexual abuse.

In 2020 she then inherited the firm’s Volkswagen case holding. It is here Catherine raised Scotland’s first ever group action, under the Chapter 26A Group Proceedings Rules. She was also instrumental in the firm’s litigation of Scotland’s second and third group actions; the Kenya Tea cases and the Celtic Boys Club cases respectively.

Identifying a growing opportunity, Catherine established the firm’s Emissions Team where she now manages a dynamic and growing team of 10 emissions experts representing several thousand clients.

She further expanded the team into GDPR mass litigation, building Scotland’s first ever Data Breach Group Action. She also retains a personal case holding of complex and sensitive GDPR cases, only ever representing the pursuer and never a defender.

Catherine graduated with LL.B Law from The University of Glasgow before undertaking her postgraduate studies at Strathclyde University. Whilst at The University of Glasgow she was a founding member of the Student Worker’s Society, set up to advise and represent the university’s student worker body.

Throughout her studies Catherine was a voluntary citizen advocate for the Glasgow Homelessness Network (now Homeless Network Scotland), helping local people with housing and welfare issues.


LL.B Law, 2015

Diploma in Professional Legal Practice, 2016

Professional Memberships

Law Society of Scotland

Notary Public

Scottish Young Lawyers’ Association


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