Mr Alastair Tomson > Chambers of George Bompas KC > London, England > Lawyer Profile

Chambers of George Bompas KC
4 Stone Buildings


Alastair has a litigation-focussed practice with experience of High Court and appellate proceedings, and international arbitration (ICSID, ICC, LCIA, UNCITRAL), across banking and financial services, natural resources, company, insolvency and general commercial disputes. Instructed in several proceedings involving interest rate swap mis-selling and the manipulation of LIBOR and EURIBOR. Has represented the Government of Rwanda in several sets of natural resources arbitration disputes since 2011. Experience of international disputes involving cryptocurrencies. Regularly instructed in the DIFC, both at first instance and appellate level, including high-value banking, civil fraud, and oil and gas litigation.

Recent cases of note include: Massun v Mousi & Others [2022] DIFC CA 003 (DIFC Court of Appeal); Bay View Group LLC and The Spalena Company LLC v. Republic of Rwanda, ICSID Case No. ARB/18/21; Dansingani & Anor v Canara Bank [2021] EWCA Civ 714 (CA); Al Sadeq v Dechert LLP & Ors [2021] EWHC 1149 (QB); Kaamil v Kaawa & Others [2020] CFI 032 (DIFC); Syndicate Bank v Dansingani [2019] EWHC 3439 (Ch); Michel v Michel [2019] EWHC 1378 (Ch); Marme Inversiones 2007 SL v Natwest Markets Plc [2019] EWHC 366 (Comm); Re Maud [2019] Ch. 15; Al Khorafi v Bank Sarasin Alpen [2018] DIFC CA 010; Aabar and Edgeworth v Maud [2018] EWHC 1414 (Ch); Marme Inversiones 2007 SL v Royal Bank of Scotland Plc [2016] EWHC 1570 (Comm); Deutsche Bank AG v Unitech Global Ltd [2016] 1 W.L.R. 3598.


Called 2004, Lincoln’s Inn. Registered in Part II of the register of the Dubai International Financial Centre courts (2015). Called to the Bar of Rwanda for specific matters (2014). Publications: contributor to OUP’s ‘Annotated Companies Legislation’.

Contributor to OUP’s ‘Annotated Companies Legislation’.

“No-assignment clauses and bank insolvency”, Corporate Rescue and Insolvency (CR&I) 2014, 7(6), 228-230 (co-authored with Andrew Rose).


French (working knowledge)


CIArb; COMBAR; Chancery Bar Association; Arbitration Club – Financial Sector Branch.


Old Swinford Hospital, Stourbridge; King’s College, Cambridge (1996 BA Hons); University of Birmingham (2003 CPE); Inns of Court School of Law (2004 BVC – Outstanding); Lord Mansfield, Lord Haldane and Kennedy Scholarships and Buchanan Prize from Lincoln’s Inn.


Football, cricket, reading, family, playing and listening to music.

Lawyer Rankings

Middle East: The English Bar > Commercial

(Leading juniors)Ranked: Tier 2

Alastair Tomson 4 Stone Buildings ‘Alastair’s strengths are his ability to understand the essential elements of a dispute quickly, to analyse the strengths and weaknesses of a case, to draft whatever is required quickly and efficiently, to present the case forcefully and persuasively in court and to work well under pressure and time constraints. Alastair is an excellent advocate.’

London Bar > Financial services regulation

(Leading Juniors)Ranked: Tier 3

Alastair Tomson4 Stone BuildingsAlastair’s clarity of written advice is excellent and is able to explain his advice to a lay client in a way that they can understand the strengthens and weaknesses of their case.’

London Bar > Banking and finance (including consumer credit)

(Leading Juniors)Ranked: Tier 2

Alastair Tomson4 Stone Buildings ‘A clear and engaging advocate, with deep technical expertise. Always calm under pressure.’

4 Stone Buildings is ‘an excellent set with strength in depth at all levels’. Its members regularly advise on civil and regulatory banking disputes, as well as major insolvency-related cases. Notable matters include Stanford International Bank (SIB) v HSBC in which Andrew de Mestre KC is representing the liquidators of the Ponzi scheme ran by Allen Stanford in a case (set for trial in 2023) concerning allegations that HSBC breached its Quincecare duties to SIB. In Syndicate Bank v Dansingani John Brisby KC and Alastair Tomson   acted on a long-running litigation on behalf of the UK branch of an Indian bank which went to the Court of Appeal in 2021.

London Bar > Company

(Leading Juniors)Ranked: Tier 4

Alastair Tomson4 Stone Buildings ‘Very commercial and pragmatic in his advice. Sees the bigger picture clearly and offers excellent strategic input.’

London Bar > Insolvency

One of the most prestigious sets for insolvency work‘. barristers at 4 Stone Buildings often draw on broad company and commercial law expertise in a variety of insolvencies and cases with complex elements involving that area. Jonathan Crow KC is the standout silk in this discipline, with ample experience at the Court of Appeal and the Supreme Court, as well as a considerable practice offshore. In proceedings regarding property investor Glenn Maud, John Brisby KC, with Richard Hill KC and leading Alastair Tomson, has been representing an opposing creditor in what, if the creditors are successful, are believed to be the second most valuable personal bankruptcy proceedings ever to be heard in the UK. The recent high-profile proceedings following the collapse of Bell Pottinger have also involved members of the set: Tiran Nersessian representing the Secretary of State for Business, Energy and Industrial Strategy, and Christopher Harrison acting for the firm’s former CEO, on opposite sides of a director disqualification action resulting from the insolvency.