Colum Tremayne

Associate
London

OVERVIEW

Colum is an Associate with experience in complex competition and commercial disputes.

Expertise

Colum joined Hausfeld as a Paralegal in 2021 and was promoted to Associate in 2024.

He is currently active in our claim against Apple and Amazon on behalf of millions of UK consumers. He also represented English and international clients on the renowned Trucks cartel litigation and has experience in various stages of commercial, environmental and human rights litigation.

During his training, Colum undertook a secondment at Which? where he gained in-house experience, focusing on commercial contracts, data protection, and intellectual property matters.

Colum is currently part of the team:
- Acting on behalf of Christine Riefa Class Representative Limited, an SPV established by Professor Christine Riefa for the purpose of bringing a claim against Apple and Amazon on behalf of millions of UK consumers who purchased Apple products. The collective action seeks damages of at least £500m for UK consumers who paid higher prices for Apple products due to a secret deal between the global corporations, which saw Amazon restricting sales of Apple products by independent merchants on its marketplace.
Colum has also been part of the competition disputes teams:
- Bringing claims on behalf of several large logistics, consumer goods, and haulier companies against the renowned Trucks cartel.
- Acting for the proposed class representative, consumer advocate Julie Hunter, in collective proceedings filed against Amazon.com, Inc. and others, seeking damages on behalf of UK consumers for alleged anticompetitive conduct in relation to Amazon’s ‘Buy Box’.
Colum also has commercial disputes experience including acting for:
- The entrepreneur founder and seller of a healthcare business, defending post-acquisition warranty and indemnity claims in the High Court brought by the private equity buyer and claiming substantial pre-action recoveries in multiple negligence claims against each of the seller’s former accountants, lawyers and financial advisers.
- A Defendant in a claim by a manufacturing company and its owner-director for conspiracy to cause reputational and economic harm.

Colum has experience:
- Advising global NGOs in relation to commercial and financial services litigation caused by climate change.
Colum has acted for:
- The CEO of a disability aviation charity, in relation to a disability discrimination claim against Carnival PLC t/a Cunard.