Expert Witness Testimony
When a dispute turns on technical facts, the evidence is only as strong as the expert who presents it. Our expert witnesses analyse the technology at the heart of a case and set it out clearly and impartially, in CPR Part 35 compliant reports, in joint experts meetings, and under cross-examination. Every expert we field understands that their overriding duty is to the court, and their evidence is built to survive challenge, whatever the sector.
What this involves
- CPR Part 35 compliant expert reports
- Oral evidence and cross-examination
- Joint expert meetings and joint statements
- Single joint and party-appointed instructions
- Litigation, arbitration and public inquiries
The overriding duty to the court
An expert’s value rests on a single principle: their duty is to the court, and it overrides any obligation to the party paying the fee. Every expert we field works to that standard. Our reports comply with CPR Part 35 and its practice direction, state the substance of the instructions, set out the range of reasonable opinion where one exists, and make clear where a question falls outside the expert’s expertise.
That discipline is what gives the evidence its weight. An opinion that is independent, properly reasoned and candid about its limits is far harder to dislodge than one that reads as advocacy for the instructing side.
From written report to cross-examination
Most matters follow a familiar arc, and we support the whole of it: the initial report, the exchange of reports with the opposing expert, the meeting of experts and the joint statement that narrows the issues, and finally oral evidence at trial. Our experts are experienced in giving evidence under cross-examination and, where the tribunal prefers it, in concurrent evidence sessions where experts are questioned together.
At every stage the aim is the same: a clear, consistent technical position that the evidence supports and that does not shift under pressure.
Single joint and party-appointed instructions
We accept instruction as a party-appointed expert or as a single joint expert acting for both sides, and we can act in an advisory capacity where a party wants to understand the technical merits before appointing an expert of record. The right model depends on the forum and the stage of the dispute, and we are glad to discuss which fits a given matter.
Across sectors, forums and jurisdictions
Because our bench spans software, forensics, telecoms, AI, crypto and more, we match the right technical expertise to the question rather than stretching one generalist across unfamiliar ground. Our experts have given evidence in litigation, arbitration, regulatory investigations and public inquiries, in the UK and internationally.
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