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Natalia Chumak

Work 020 3818 3500
Signature Litigation LLP

Work Department

Litigation and Arbitration


Natalia has nearly 20 years of litigation and arbitration experience in London, which has involved working in leading UK law firms. She is highly respected within the CIS business community, and as an English lawyer and a native Russian speaker, her legal career has a strong focus on acting for clients from ex-Soviet countries (primarily Russia, Ukraine, Kazakhstan and Tajikistan) and for high-net-worth individuals managing their assets, often in challenging and complex disputes in High Court proceedings and international arbitration.

Natalia is an experienced commercial litigator and her work includes mediation and arbitration on cases covering contractual disputes, misrepresentation actions, fraud and bribery. Natalia has extensive experience in a variety of commercial disputes including shareholders’ disputes, claims arising out of loan agreements and related security arrangements, oral high level agreements between oligarchs in relation to joint investments, fraud claims and related asset tracing actions, claims arising out of liquidation of investment funds, enforcement of arbitral awards in off-shore jurisdictions and related insolvency proceedings and many others. 

Natalia’s case highlights include acting for a Russian oil and gas business group, in relation to proceedings arising out of loan agreements, personal guarantees and other loan security documentation; a CIS business group in a breach of contract claim arising out of a shareholders’ dispute in automobile industry; a claimant regarding an SPA in relation to the sale of a group of Russian companies in the electricity/infrastructure industry; and a respondent regarding a shareholders’ agreement in relation to a joint venture between CIS parties in the aviation and real estate sectors.


Qualified 2002; Partner Field Fisher Waterhouse 2010; Partner Signature Litigation 2013. Contributes to ‘Financier Worldwide Magazine’, ‘Corporate Disputes’, Russian legal publications ‘Legal Insight’ and ‘The Law’, and was the curator of the English law section of ‘Legal Insight’ in 2013.


Fluent English and Russian


London Solicitors Litigation Association


Natalia is the Founder and a Trustee of UK animal welfare charity LAPA (Helping animals in Russia).

London: Dispute resolution

Banking litigation: investment and retail

Within: Banking litigation: investment and retail

Signature Litigation LLP’s β€˜very responsive, strong team’ grew when the firm recruited Simon Bushell, Ioannis Alexopoulos, who β€˜has great experience, clear thinking and iron logic’, and Josh Wong from Latham & Watkins, Bryan Cave and DLA Piper, respectively. The firm β€˜provides a high level of service’ and has a strong focus on large, complex and often cross-border cases, with its client base including banks and other financial institutions, multinational corporations, and individuals. The team acted for one of the three lead groups of RBS shareholders in claims against RBS, pursuant to FSMA’s section 90 and in relation to RBS’ failed 2008 rights issue. It also represented property company Desiman in its claim against Bank of Scotland, HBOS Treasury Services and Lloyds Bank for mis-selling of LIBOR-referenced interest rate swaps, breach of implied representations and wrongful appointment of administrative receivers. Graham Huntley is β€˜one of the doyens of the London litigation market’; Abdulali Jiwaji β€˜has a very good appreciation of the commercial nature of litigation’; Daniel Spendlove β€˜immerses himself in clients’ cases and takes a hands-on approach which reaps dividends’; and Natalia Chumak β€˜manages to secure favourable outcomes for clients in cases that seem hopeless’. Other notable advisers are Julian Connerty, Adam Rooney and Hermes Marangos.

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Commercial litigation

Within: Commercial litigation

Signature Litigation LLP is β€˜a notably excellent boutique firm, which has a very lean structure that means excellent value for clients; and it has grown to be one of the most visible and permanent fixtures in big-ticket commercial cases’. The firm saw significant growth through the recruitment of Latham & Watkins’ former London litigation team head, Simon Bushell, as well as β€˜very strong lawyer’ Ioannis Alexopoulos and international commercial litigator and arbitrator Josh Wong from Bryan Cave and DLA Piper, respectively. Highlights included acting for one of the three lead groups of RBS shareholders in Financial Services and Markets Act 2000 claims against RBS, regarding its failed 2008 rights issue. The β€˜indefatigable’ Graham Huntley is β€˜an excellent and careful strategist with unparalleled knowledge of judges, barristers and arbitrators’; Abdulali Jiwaji β€˜gives carefully considered opinions’; Daniel Spendlove is β€˜highly professional’; and Natalia Chumak β€˜has extraordinary, high-quality analytical skills’. Hermes Marangos, Julian Connerty and Adam Rooney are also key contacts.

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International arbitration

Within: International arbitration

Signature Litigation LLP is β€˜a superb firm that is highly specialised in disputes and has a strong international touch, given the multi-lingual skills and cross-jurisdictional training of its staff’. Natalia Chumak acts in institutional arbitration proceedings, ad hoc arbitrations and investment treaty disputes, and she is particularly focused on acting for clients from ex-Soviet Union countries, predominantly Russia, Ukraine, Kazakhstan and Tajikistan. Chumak’s β€˜performance impresses clients; she is totally committed and literally dedicates all of her time to the matter she is working on’. Senior associate Nick Storrs is β€˜a competent, hardworking rising star’.

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