Rockside Consultants Limited

Just Expertise

Mr Tony Sykes

Professional Description
Chartered Electrical Engineer and Chartered IT Professional


Tony Sykes is a Chartered Electrical Engineer and a Chartered IT Professional providing expert advisory, expert witness and consultancy services to lawyers, insurers and loss adjusters. Experience in international arbitrations and the High Court TCC.

He is a distinguished technology expert, specialising in information technology (IT), software, telecommunications, microelectronics and electrical engineering. With over 40 years of experience in the design, development and testing of hardware and software products and systems, he provides a full range of expert advice, consultancy and expert witness services and is regularly instructed by international law firms, loss adjusters and insurers. He has provided expert testimony over 60 times, he is listed in Who’s Who Data Expert 2023.

A highly accredited court expert, Tony has provided evidence in international tribunals, arbitrations, adjudications and High Court cases usually in the Technology and Construction Court (TCC).



Representative Engagements

Expert technology advisory services for a US$60m dispute relating to the implementation of an SAP enterprise resource planning software system at a major UK media and broadcasting corporation.

Appointed by a major automobile distributor in the Middle East to help negotiate a major Oracle licensing dispute following an LMS audit.

Appointed as IT expert in a major arbitration relating to a US$1bn IT dispute centred on the failure of a US$3.75bn patient care records system;

Instructed to provide expert opinion on software licensing and to assist insurers prior to settlement following an alleged breach of warranties resulting from the acquisition of a telecommunications business by another multi-national telecommunications company.

Instructed to provide IT and project delivery expert witness services in the case of David MacBrayne Ltd v Atos IT Services (UK) Ltd, held before the Outer House of the Scottish Court of Session.

Appointed to provide expert determination for an automotive distributor based in the Middle East and its South African SAP implementation partner. Completion of a US$100m SAP platform solution required continuous progress monitoring and reporting on delays due to resourcing and scope changes.

Technology advisory services in support of a European consortium engaged in a dispute relating to the commissioning of an open road tolling project in Southern Africa.

Appointed by an international loss adjuster to provide opinions on clauses in policies covering cyber loss and data loss. Led several assignments looking at the sources of ransomware attacks and providing opinion on the suitability of the mitigation processes and system security improvements.

Appointed in several Warranty and Indemnity cases by law firms and loss adjusters to assess software under licensing.

Appointed in several patent infringement and patent validity disputes to give an opinion on the definition of technology terms and to opine on the inventive step from the perspective of a “man skilled in the art”.