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Steven Mash

Work 020 3036 7258
Fladgate LLP

Work Department

Dispute Resolution



Steven Mash is a partner in the dispute resolution department at Fladgate.

He is a general commercial litigator with a particular focus on banking and finance matters and shareholder disputes. He has been regularly listed as a civil fraud specialist.

Steven’s practice has traditionally been claimant focused, bringing claims against large institutions, although he is equally adept at defending clients against actions brought against them.

By way of example, Steven acted in the RBS Rights Issue Litigation, representing some 33,000 individual and institutional claimants against The Royal Bank of Scotland plc in proceedings pursuant to section 90 of the Financial Services and Markets Act 2000 in relation to the 2008 Rights Issue.

Steven is listed in Legal 500 for Banking Litigation: Investment and Retail and Commercial Litigation

He qualified in 1997 and joined Fladgate in 2014 from the London office of a Washington DC based practice.


Trained Maislish & Co, qualified 1997; made partner in former firm 2008; made partner Fladgate 2014.


Hampton School; Southampton University (BA); College of Law (DipL, DipLp).

London: Dispute resolution

Banking litigation: investment and retail

Within: Banking litigation: investment and retail

Fladgate LLP's disputes group includes pre-empting potential claims or defences; recovery litigation, including disputed security and enforcement; insolvency matters; fraud; and payment systems. Other areas of strength are mis-selling claims, including swaps; claims against professionals, including surveyors, accountants and solicitors; and disputes between banks. Representative experience includes acting for a financial services firm in the prosecution of its claim for commission against its former client, an international maritime group. Steven Mash is a specialist in civil fraud matters and Bree Taylor has acted for claimants in actions against major banks. Other names to note are Simon Ekins, Simon Brew and Alexander Wildschßtz.

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Commercial litigation

Within: Commercial litigation

Fladgate LLP's 'excellent firm is frequently involved in major litigation'. The practice specialises in acting in complex, high-value disputes, which are internationally focused or sourced; and being largely conflict free, the department is able to sue most banks and act in financial services litigation. It acted for Castex Technologies in proceedings in the Commercial Court, brought by various hedge funds, which alleged rigging of stock prices in connection with the conversion of foreign currency convertible bonds. Simon Ekins is department head; the 'switched-on and easy-to-work-with' Steven Mash is 'at home across the range of commercial disputes'; and Bree Taylor is 'professional and shows broad-based thinking'. Mark Buckley, Alexander Wildschßtz and Eugene Matveichuk are also highly rated.

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