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Diales delivers world class engineering and construction expert witness testimony. Disciplines include: Delay Analysis, Quantum, Technical, and Asset Valuation. Find the right expert for your construction dispute in moments with this searchable database.

Our Experts
Our experts are proven and respected in their fields, some are even published authors.
Delivering high quality support and success ensures their reputations and integrity as Expert Witnesses.

Diales experts:
• Are tried, tested, and proven.
• Are experienced in cross-examination, or have completed an accredited training programme.
• Understand their duties to the court and their clients.
• Have a minimum of 15 years of industry experience.
• Have access to highly skilled support teams.

Our Services
Driver international arbitration and litigation expert support represents the core disciplines from which Diales was formed. Our expert teams’ specialities incorporate:
• Delay Analysis
• Quantum
• Technical
• Asset Valuation

Alongside providing industry experts as:
• Adjudicators
• Arbitrators
• Mediators


This app enables enhanced search functionality to identify the most appropriate expert for your needs.

Users can utilise multiple search functionalities to:
• Filter experts by:
◦ Area of expertise
◦ Sectors of experience
◦ Regional experience
◦ Years of experience
◦ Contract experience
• Keyword search against expert highlights and complete PDF experience profiles

Direct email enquiries and global office contacts for local enquiries and advice.
When you find the Diales expert you need you can:
• Contact them directly on their individual email
• Email their full PDF profile to your client, colleagues, or yourself for future off-app reference.

The latest news regarding the Diales experts and related activities.
Users can access articles and papers written by the expert team regarding their areas of expertise and developments across the global engineering and construction industries.

About Diales
Diales specialises in providing Expert Witness services to the global engineering and construction industry.
Our experts provide specialised support to the legal profession in arbitration, litigation, and alternative dispute resolution (ADR).

Diales experts have direct sector experience including:
• Building
• Energy
• Infrastructure
• Marine
• Mining
• Oil and Gas
• Process and Industrial
• Transportation


Diales is part of the Driver Group of companies, a global construction consultancy. The range of services offered across the Group provides support to the international engineering and construction industries it serves from start to finish. www.driver-group.com

What’s New

Version 1.1.5

Updated App Store screenshots

App Privacy

The developer, Animmersion UK Ltd, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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