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Andrew Leach

Partner // Partner (Head of CIS Desk)

Andrew is a commercial litigation specialist and Head of the Russian and CIS Desk, leading a team of experts in complex and substantial cross-jurisdictional litigation and arbitration.
Andrew Leach


Andrew's expertise spans the commercial and contractual litigation, arbitration and dispute resolution fields and he deals with complex contractual disputes, shareholder claims, corporate disputes, IT disputes and commercial agent regulation claims. He has particular expertise in working with organisations in the oil and gas and technology sectors.

Andrew has substantial experience of working on complex and high value commercial disputes, in particular international and cross-jurisdictional matters. He has fluent Russian, French and German speakers in his team. Andrew recently worked for a Russian client on the BP-TNK litigation, successfully achieving a 3 billion dollar award for the client. He has also acted for a Swiss company in the metals sector and ran a successful multi million pound swaps and derivatives action against an international German bank, as well as acting on an 80 million Euro claim for a German company relating to a complex cross jurisdictional contract.

Andrew's team was involved in the BP TNK litigation case and collectively wrote an experts report on English Law for the Russian Court resulting in the client obtaining a court award of approximately $3 billion.

Andrew was previously a partner in the international team at a national firm that won the Law Society award for excellence for exporting legal services.

Outside of work Andrew enjoys going to the theatre and the gym as well as reading.


Team is rated Tier 1 -  Legal 500

Andy is ranked:
  • as a Leading Individual in Legal 500; and 
  • Band 1 Chambers and Partners

Andy Leach is a great blue sky thinker, coming up with novel and effective ideas to drive litigation forward. He has a deep understanding of the position of his clients and is also an efficient and effective manager of his team – ensuring that the right individuals deal with the right parts of a case.

Sources admire his 'intellect, pragmatism and amiable manner'. - Chambers and Partners

'Sharp and detailed thinker'' and 'very experienced.' - Legal 500