Independent IT and software expert, + witness services based in London with worldwide expertise and coverage.

Clear, compliant reports for complex technology and related issues:

At ExpertWitness we provide independent IT and software expert, and witness, services for legal disputes involving technology, data, and digital systems. Working worldwide, based in London, we assist courts, corporate clients, lawyers, solicitors, insurers, in understanding complex technical issues. The following Frequently Asked Questions explain our expertise, process, and how we can support your case with clear, objective, and compliant opinions.

What areas of technology do you specialise in?

We specialize in software engineering, IT systems architecture, databases, cybersecurity, cloud computing, and IT project management. Our expertise also includes algorithm analysis and digital forensics; for a fuller list see our Services section.

What services do you provide?

• Independent Expert Witness reports

• Civil and criminal case formats

• Source code review and technical analysis

• IT system and project failure assessments

• Mediation and arbitration support

• Experience in building, examination, analyzing AI and machine learning systems, including algorithmic bias, data quality, explainability, and compliance with technical or regulatory standards

• Advisory consulting for dispute resolution.

What types of cases require an IT Expert Witness?

Typical cases include software + project failures, source code disputes, intellectual property (IP) issues, data breaches, cybersecurity incidents, forensic investigations, and IT contract/performance litigation.

What areas of technology do you specialise in?

We have extensive experience in software engineering, system architecture, IT project management, databases, web applications, cybersecurity, and cloud infrastructure.

Are tools used in technology investigations and examinations?

Many tools can assist in research or code analysis, or project failure points; but human expertise remains essential for evidential and legal validity.

Process and Engagement

How do I instruct you as an Expert?
Corporate clients, Lawyers and legal professionals, can contact us directly via the website or email. After an initial consultation, we review your documentation, clarify and confirm the scope of work, and require written Instructions before proceeding.

What is your typical turnaround time?
Timeframes depend on the complexity of the case. In most instances, initial analysis and reporting can be completed within 20 to 30 working days. Expedited work is available for urgent matters.

What information do you need to start work?
We typically require:

• Case or Project summary or statement of issues

• Relevant contracts or correspondence

• Technical documentation and/or source code

• Access to relevant systems, data, or evidence (where applicable).