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RDR / Evidence and expert work / Reports written for court

Court reports · digital evidence, Reading

Expert witness reports, Reading. The other side will test every line, so it is written that way.

A report is obtained for one reason only: what it will stand up to. Someone on the other side has been paid to tear it apart, and anything written to please the instructing party would not survive until lunchtime. Part 35 sets the order of precedence in advance (the duty runs to the court, ahead of the client, solicitor or fee note), and criminal instructions are dealt with under Part 19 of the Criminal Procedure Rules 2025. Both begin the same way here: written method, exhibit history, the two declarations, and the accreditation position stated at the top rather than found by the other side. Solicitors and insurance companies across Berkshire receive the same document. The figure is fixed first, from £800 + VAT.

Reports written to CPR Part 35 Chain of custody logged as it happens Independent, and confidential

Talk it through in confidence
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The four things a court looks at.

The duty that outranks the clientUnder Part 35 the expert is there to serve the court, and only on matters truly within their expertise. The duty to the court takes precedence over anything the instructing side was hoping to read. It is what appears first in the report, and what follows is measured against it.
Two declarations, signedFacts within the expert's own knowledge are identified separately from the rest and confirmed as true. The report states that the views expressed are honestly held and complete, and that both Part 35 and PD35 have been complied with.
The method, step by stepReceipt, imaging, hash values, examination and the location of each exhibit throughout its history are documented in enough detail for the examiner on the other side to trace the process again.
What is declared against usUnder the criminal rules, experts are required to disclose anything affecting their credibility, and under CPS guidance not holding accreditation is one of those things. Accordingly, ours is in the opening pages, not buried in a footnote.

Five reports, and which one your matter needs.

Not here? Tell us what it is doing →
The report typeWhere it appliesIts contents
A findings report on its ownEarly advice, HR decisions, board-level questionsWhat was there, how that was established and what it amounts to, in plain English
A report on an insured lossWhere causation, extent or liability are in disputeThe findings, the exhibits, and how the loss came about
An expert report to CPR Part 35Civil claims within England and WalesThe duty at the top; instructions in substance; the full method; both signed statements, for truth and compliance
An expert report to CrimPR Part 19Cases bound for a criminal courtThe criminal form: qualifications, the material the court needs to judge how reliable an expert's opinion is, and declared credibility
One jointly instructed expertWhere both sides instruct one examiner togetherOne report given to each side simultaneously, with the duty running past both sides to the court
Sending it to the lab: get a quote first, by phone or using the form. Send it by tracked, insured post to the Oxford intake lab, or drop it off at the Oxford intake lab (Monday to Friday, 9am to 5:30pm, no appointment needed). The return leg is at our expense. Need help packing? Call us before sealing your box and an engineer will tell you what to pack and what to leave out. All remaining details are on our packing and posting page.

What we do, in order.

How other jobs ended →
01

Say what has happened, in confidence — the figure follows in writing Free

The first scoping call costs nothing. There will be no chargeable work on your case until you have a price in writing. The purpose of this call is to define the scope of the work. Specifically, we identify all relevant events, the accounts and machines involved and, most importantly, what the evidence needs to prove. Forensic instructions begin at £800 + VAT, and the scope decides where yours lands.

The call stays confidentialA fixed price, in writingThe question it has to settle
02

Your instructions, in substance

We include in the report our own summary of the letter of instructions, as CPR 35.10 requires, and no privilege can be attached to it. Alongside it, we include everything else that may affect our credibility, starting with the obvious: an independent laboratory that holds no accreditation. It is far better read at the start of the report than drawn out of a witness during cross-examination.

Instructions, in substanceLimits stated at the front
03

Written for an adversarial reader

Each step is done, and documented, on the premise that an opposing expert will be examining it for weakness. They are told to look for that. There is nothing in the conclusions to favour the party that paid for them.

The duty runs to the courtFindings that hold under testing
04

Built to the rules of the right forum

Format follows forum. Civil instructions are written to CPR Part 35, with PD35 as the reference point. Criminal instructions follow Part 19 of the Criminal Procedure Rules 2025 (the rules which replaced those of 2020 in October of that same year). The common elements include: a documented method, the exhibits themselves, an uninterrupted record of custody including dates, and the declarations. The conclusions are at the beginning of each report; technical detail goes into an annex.

Written to CPR 35, or CrimPR 19Plain English from start to finish
05

The bundle, hashes and handover log

Give the other side a finding they cannot check or test, and you are giving them an argument. So it all goes in the bundle: exhibit numbers, the image each conclusion came from, dated handovers, the hashes, and the working notes typed while the job was running. The examiners on the other side will be able to re-run everything and come to the same answer.

Every finding tied to an exhibitHash values kept, every move loggedRepeatable, step for step

Four things every instruction is told

  • The overriding duty decides it. When the court requires something of you and your client wants something else, the court wins. An expert who doesn't get that may lose the report before anybody reads it.
  • Criminal work wants the reliability material, meaning qualifications, experience and method, all set out clearly before any bench can weigh how much an opinion is worth.
  • Joint instructions change the arithmetic. There is one examiner but two instructing parties, and no one to keep sweet. We accept them, and state it clearly in advance.
  • Clarity can earn as much as rigour. If a judge cannot decipher what you have written, the effort you put into it may well go to waste.

A question worth asking any expert on your shortlist: under Part 19 of the Criminal Procedure Rules, an expert must give the court information which could reasonably diminish their credibility, and under CPS guidance not holding an accreditation falls within this. Silence about it places the issue on your client. Our statement is printed on the first page of each report prepared from this room, with the basis for our method set out below it.

How one of these actually went.

RG · RDG-2026-1684ON FILE ✓

A Part 35 report on a folder two firms shared

Two firms were sharing one folder. The accounts in it existed in two versions that could not be reconciled. Forensic images of both computers showed exactly where each edit was made and in what order those edits occurred, and that answered the question. The dispute closed within a month.

Wound upafter the exchangeCPR Part 35 followed

What helps, and what makes it worse.

First things to do

  • Let us know early if it may end up in front of a court: it will affect how we work
  • Send us your instruction letter as soon as it is drafted
  • Send us any material produced by the expert on the other side
  • Give us weeks, not days. Pressure doesn't speed up the work

What makes it worse

  • Pushing for a conclusion the evidence will not carry
  • Editing our text: argue with the reasoning instead
  • Expecting a Part 35 report at short notice
  • Ringing round until an expert agrees with you first: it always shows

What people ask before they send it.

What is the difference between a court report and a findings report?

There are differences between a findings report and a court report. A findings report details what was found on the machine and explains how it was determined. A court report also contains those elements, but includes the expert's duty to the court, your instructions in substance, the method and exhibit history from receipt to return, and the two signed statements. It also covers anything the other side may want to raise about the expert.

Whose interest does the expert serve?

The court. Payment doesn't come into it. The duty to the court ranks above any duty owed to whoever gave the instructions, and that is what makes the document worth putting before a judge.

Will you take a single joint instruction?

Yes. One report, one set of conclusions, and both parties are given it at the same time. Neither party sees a draft before the final report, and neither may alter the wording.

Without accreditation, is the report weaker?

By declaring it at the top of the report rather than in a footnote, we comply with the rules. Method is what attracts weight with a judge, so it is the part of the report that gets most of our effort. Reports often fail because the expert claims more than the evidence supports, not for lack of a certificate.

Tell us the question the court is asking.

A report is only ever as good as the instruction behind it, so the first call is about what needs proving, and by when. Looking costs nothing, the fee is fixed in writing, and the findings go only to whoever instructed us.

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