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Conflict free expertise in accounting and financial matters

Haberman Ilett is a specialist accounting firm based in London, dedicated to providing accounting and financial expertise in the context of disputes, whether they are eventually resolved by negotiation, mediation, arbitration or litigation.

Haberman Ilett is part of Blackrock Expert Services Group – a leading provider of independent expert witness, dispute resolution and advisory services within construction, and technology.

Latest news

Third on Expert Witness Firms’ Power Index 2019

13 May 2019

For the second year in a row

Bruno Augustin speaks on CDR panel

6 March 2019

The role of expert evidence in competition cases


Haberman Ilett has “carved out a name in the market off the back of some significant cases both in terms of value and what’s at stake, strategically.”
GAR 100, Expert Witnesses 2018

Philip Haberman is “hugely respected as an expert” according to sources who commend his exceptional work providing valuation analyses in both litigation and arbitration proceedings.
Who's Who Legal, Consulting Experts 2018

Frank Ilett impresses peers who consider him “an absolute must for inclusion” and praise his market-leading quantum expertise in financial-related disputes.
Who's Who Legal, Consulting Experts 2018

Bruno Augustin stands out among peers for his impressive work providing financial valuations and analyses in a wide range of disputes.
Who's Who Legal, Consulting Experts 2018

Valery Knyazev is recognised by sources for his “depth of understanding and first-hand experience in dealing with complex damages matters”.
Who's Who Legal, Consulting Experts 2018

Graham Nunns is held in high regard by market sources who highlight his “intellectual strength and clarity of expression”.
Who's Who Legal, Consulting Experts 2018

Liz Perks is a first-rate quantum expert who is praised for her “thorough and detail-oriented approach”.
Who's Who Legal, Consulting Experts 2018

Debbie Revill receives plaudits as a “very quick, very thorough and very reactive” expert who “really grasps the commercial realities”.
Who's Who Legal, Consulting Experts 2018

Vikki Wall is highly recommended by peers who praise her as a “very responsive” expert noted for her “grasp of the detail”.
Who's Who Legal, Consulting Experts 2018

Sources have “high praise” for firm co-founder Frank Ilett, noting his extensive experience as an expert witness in arbitration contexts.
Who's Who Legal, Arbitration 2019

The “highly rated” Philip Haberman is “hugely respected as an expert”, say sources. He is renowned for providing “bespoke service at the top of the quality tree”.
Who's Who Legal, Arbitration 2019

Valery Knyazev is a “very knowledgeable expert” who stands out for his “in-depth understanding and first-hand experience in dealing with complex damages matters”.
Who's Who Legal, Arbitration 2019

Liz Perks draws widespread praise for her outstanding forensic accountancy expertise, which she has deployed on a plethora of investment treaty arbitrations.
Who's Who Legal, Arbitration 2019
Debbie Revill is a “superb” expert … with notable experience in the energy and natural resources sector.
Who's Who Legal, Arbitration 2019

Vikki Wall is recommended by sources as someone who is “always available to us when we need her” as well as a “flexible and fast” expert who gets “immersed in the detail”.
Who's Who Legal, Arbitration 2019
Graham Nunns is “a pleasure to work with”, according to interviewees, thanks to his “straightforward modern business manner” and “quick turnaround time”.
Who's Who Legal, Arbitration 2019