Dispute Expert Witness Services
Expert Witness Services
Expert testimony often shapes the direction and outcome of arbitration or litigation. At MASIN, our experts bring deep technical knowledge, commercial awareness, and years of real-world project experience to every assignment
Why Appoint Masin as Your Expert Witness?
Masin functions as a leading independent expert across multiple disciplines. Each engagement is customised to suit the unique demands of your dispute. The work delivered is clear, reliable, and able to withstand scrutiny in any forum.
- 200+ multidisciplinary experts : We have quantum surveyors, forensic accountants, financial analysts, delay analysts, engineers, economists, and data scientists deployed as coordinated teams.
- Global experience: We have a presence in 30+ countries and in all major arbitration forums.
- Professional credibility: Our experts hold advanced degrees in engineering, geology, and related fields from leading international universities, and maintain professional accreditations that reflect strong technical and professional expertise.
- Structural independence: Masin has no affiliations with major audit networks, financial institutions, or contractor groups. Hence, ensuring structural independence.
- Integrated analysis: We provide unified and internally consistent reports that integrate technical, commercial, and financial expertise.
- Tribunal recognition: Our reports command clarity, transparency, and adherence to professional standards.
- Scalable solutions: We offer scalable solutions – from single expert appointments to multidisciplinary teams, for multi-billion-dollar disputes.
The Masin Differentiator:
“Where most expert firms match one expert to your case, Masin builds a coordinated team around your dispute – combining their technical, commercial, and financial expertise, that complex cases demand from a single and conflict-free firm.”
What We Do
All reports by Masin follow international best practices and are prepared with a level of rigor that stands up under scrutiny. Our core services include:
We provide full expert witness and dispute advisory services for international arbitration. Our team supports proceedings across ICC, LCIA, SIAC, DIAC, ICSID, ADCCAC, DIFC-LCIA, HKIAC, and QICCA. We deliver coordinated, multidisciplinary expert teams to handle complex disputes effectively.
We have an independent quantum expert witness team for construction and engineering disputes, including prolongation costs, disruption, variations, termination claims, and productivity losses, which is trusted across institutions such as ICC, LCIA, TCC, SIAC, and DIAC.
Our experts specialise in fraud investigations, financial misconduct, and regulatory matters. They are certified professionals (CFF, CFE, CPA) who are appointed as party experts, SJEs, or tribunal-appointed experts, supporting disputes in arbitration, litigation, and regulatory proceedings worldwide.
We have a dedicated team of independent financial experts for banking disputes, investment fraud, and insurance claims. They provide advice on fintech regulation and economic damages in commercial disputes, and tribunal-ready evidence globally.
We provide construction delay analysis, programme assessment, and disruption claims, using SCL Protocol-compliant methodologies for consistency and accuracy, and provide expert testimony across all major arbitration, litigation, and adjudication forums.
We specialise in quantifying economic losses, including lost profits, business interruption, and wasted expenditure. We assess diminution in value for arbitration, litigation, and regulatory matters. Our team provides impartial, evidence-based reports that are trusted by tribunals and courts.
Our experts handles shareholder disputes, post-M&A claims, and investor-state arbitration. They also provide advice on IP valuation, insolvency matters, and corporate restructuring. They have accreditations such as CFA, CVA, and RICS, and operate across all major dispute forums.
Sectors We Serve
Masin supports developers, contractors, and subcontractors through the complexities of high-rise, commercial, and mixed-use developments. With experience across the Middle East and Asia, we assist in managing delays, resolving claims, and navigating technical challenges—ensuring projects stay commercially and contractually sound.
Masin brings deep expertise to road, highway, and maritime projects—supporting contractors and stakeholders in managing delays, cost claims, and engineering risks. With experience across 100+ infrastructure disputes, we help keep complex logistics-driven developments moving forward.
Masin supports hospital, hotel, stadium, and public venue projects with tailored claim strategies and forensic analysis. Our experience across healthcare and hospitality developments ensures timely, compliant, and commercially sound outcomes for complex, high-visibility builds.
Masin helps clients navigate complex disputes in upstream, midstream, and downstream projects. With proven expertise in delay, quantum, and technical matters, we support high-stakes oil and gas claims with precision and industry insight.
Masin supports solar, wind, hydro, and nuclear projects with deep expertise in delay, cost, and compliance issues. From EPCs to energy developers, we help resolve disputes and strengthen outcomes in capital-intensive, mission-critical energy builds.
Masin supports complex airport and railway developments with expert guidance on delays, cost claims, and contract disputes. With global experience in transport infrastructure, we help clients manage risks and protect commercial outcomes in highly regulated environments.
Masin supports shareholder and treaty arbitrations with independent quantum, delay, and financial expertise. From joint venture conflicts to investment treaty claims, we help unravel complex causation and quantify damages with accuracy and authority.
How We Do It
Structured. Strategic. Always Client-Centric.
Assess
We review your contracts and project performance to identify risks, entitlements, and missed opportunities.
Prepare
Our experts develop claims, EoT submissions, and contract advice backed by industry protocols and forensic tools.
Support
We support you throughout negotiations, hearings, or disputes—acting as your strategic partner.
Understanding the Role of a Dispute Expert Witness
A dispute expert witness is responsible for the clear communication of complex issues to decision makers. They help judges and arbitrators understand complicated topics. Their role involves explaining technical matters in simple and clear language.
- We draft evidence-based reports that are free from bias. The reports are fair and based only on facts. Thus, providing a trustworthy record for the tribunal.
- We make complex details easier to follow and explain technical or financial matters to judges and arbitrators. Their guidance helps the tribunal understand the case more efficiently.
- Masin provides reliable and justifiable evidence under scrutiny while maintaining a confident, professional demeanour. This ensures their evidence stands strong during cross-examination.
0 + yrs
Experience resolving high-stakes engineering and construction disputes.
$ 0 B+
Dispute value managed across global projects and complex claims.
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Cases handled across arbitration, litigation, adjudication, and mediation.
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Clients including contractors, developers, law firms, and Fortune 500s.
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Frequently Asked Questions
Get answers to frequently asked questions about everything we do.
What is an expert witness?
An expert witness is an independent professional appointed to provide impartial opinions on technical, financial, or specialist matters in legal or arbitration proceedings.
What is the difference between an expert witness and a technical consultant?
What qualifications should a dispute expert witness hold?
How early should I appoint an expert witness?
What forums recognise Masin’s expert witness services?
What is a single joint expert (SJE)?
Can an expert witness be tribunal-appointed?
Ready to strengthen your case with expert evidence?
Let’s work together to prepare clear, structured, and defensible expert testimony tailored to your dispute.
Talk to our Experts
Have a project challenge or need clarity on a dispute? Our experts are here to help. Reach out for personalized insights and reliable guidance tailored to your sector and situation.