Services

Harcus Parker is a commercial litigation and dispute resolution firm offering a full range of services for bringing and defending claims, as well as managing the risks associated with disputes.  We act on some of the most high-profile, high-value and complex cases in the UK.  

Our team brings decades of disputes experience, a long history of establishing new approaches to group claims and litigation funding, and our lawyers consistently earn recognition from the legal directories as leading practitioners. 

The firm was described in the Legal 500 UK Guide 2024 as ‘an exceptional outfit, balancing strong technical skills, tactical nous and user-friendly presentation’.  In the 2025 edition of the Guide, testimonials describe Harcus Parker as an ‘efficient, lean operation that can fight toe to toe with any firm in London’.

The Chambers & Partners UK Guide 2025 identifies the firm’s particular strength in delivering ‘commercial and effective solutions’, our ability to ‘think big and execute big’, and our lawyers are recommended for a senior team who are ‘well supported by a deep bench of stellar junior lawyers’.

OUR SERVICES

Group
Litigation

We specialise in bringing group action cases on behalf of large numbers of individuals or companies.

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Commercial
Litigation

We are a litigation firm. Commercial litigation is the basis of all our work

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Financial Services
Litigation

We are experts in financial services law and regulatory issues.

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Trust
Litigation

We act in the full range of trust litigation, from succession disputes to claims against trustees for investment loss and claims for removal of trustees.

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Civil Fraud
Litigation

We act on claims involving deceit, the fraudulent misappropriation of assets and the recovery of the same assets.

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Consumer Rights
Litigation

We represent investors, borrowers, homeowners and people who have encountered mis-selling and other kinds of unlawful behaviour.

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Competition
Litigation

We do competition litigation, competition law risk management and specialist industry regulatory advice.

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Cyber, Data and
Privacy Litigation

We act for individuals, groups of people, and corporates in complex cyber, data and privacy disputes.

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Securities Litigation

We act for private investors, investment funds, and asset managers in disputes stemming from losses on listed and unlisted securities.

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Funding Litigation

The costs and risks of legal action can be managed using litigation funding. We help with obtaining funding and advise on the terms of funding arrangements.

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Media, Information and Communications Litigation

We handle information and copyright misuse and related regulatory matters.

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Our recent experience

The Commercial Card Class Action

Acting for the proposed class representatives in claims against Mastercard and Visa entities relating to level of transaction fees charged to travel and hospitality businesses

Breeze and others -v- TSB Bank

Acting for TSB Bank’s ‘Whistletree’ customers, who were charged higher rates of interest on their mortgages than the bank’s other customers.

Hamon and others -v- University College London

Representing the several thousand claimants in ongoing High Court litigation against University College London as part of the Student Group Claim.

The Home REIT Shareholder Group Action

Acting for over 200 investors in Home REIT, including several prominent financial institutions, in claims arising from serious management issues at Home REIT.

Kwok and others -v- UBS AG

Representing claimants in Commercial Court claims worth at least US$500 million against the investment bank UBS in connection with the leveraged acquisition of a security on the Hong Kong stock exchange.

Suppipat and others -v- Narongdej and others

Acting for the primary defendants in a Commercial Court fraud claim for US$1-2 billion arising out of the sale of a major Thai renewable energy business.