Natalia Chumak > Signature Litigation LLP > London, England > Lawyer Profile

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).

Lawyer Rankings

London > Dispute resolution > International arbitration

Signature Litigation LLP‘s ‘tactical and strategic vision is unparalleled, and the practice has a great range of partners and associates‘. It fields specialist arbitration lawyers who are experienced in high-value, complex international arbitrations. Natalia Chumak has a particular focus on CIS-related matters; Ioannis Alexopoulos is well known for joint venture and shareholder disputes, business break-ups and fraud and banking disputes; and Josh Wong is recommended for security, asset tracing and enforcement actions that involve multiple jurisdictions. Counsel Neil Newing and senior associate Nick Storrs are also key advisers.