Expert Witness
SLR is a leading provider of expert witness services across a wide range of technical, environmental and climate-related, engineering, planning, and commercial disciplines.
For over 20 years, SLR has supported legal teams, regulators, developers, and investors with authoritative, impartial, and compelling testimony in courts, tribunals, and arbitration forums worldwide.
Overview
Our independent experts bring insights grounded in real-world industry experience and informed by our ongoing technical and commercial work. Each area of expertise is built around a core of experienced technical staff, many of whom are regarded as leading experts in their field at a national and often international level, with extensive expert witness success.
Get in touch
Our value proposition is built upon the foundations of our purpose – Making Sustainability Happen. What sets SLR apart is our deep understanding of the operational realities behind industry decisions, ensuring our evidence is not only credible but alsocontextually relevant and strategically valuable.
Why Choose SLR?
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Multidisciplinary Expertise
Our team includes specialists in acoustics, ecology, air quality, hydrology, geology, planning, transport, landscape architecture, and more. We offer deep sector knowledge and technical insight across industries including Energy, Mining, Infrastructure, Construction, Climate, and Environmental.
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Global Reach, Local Insight
With offices across Europe, Middle East & Africa, Asia-Pacific, North America and Latin America, our experts understand practical and contextual drivers, offering insights beyond the black and white of contractual language to contextualise and understand the nuances of industry decisions.
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Credible, Independent Testimony
SLR experts are regularly called upon to provide written and oral evidence in high-profile hearings, public inquiries, and arbitration proceedings. Our testimony is grounded in rigorous analysis, clear communication, and professional integrity.
Our Disputes and Arbitration Services Include:
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Climate & Environmental Expertise
- Emissions
- Acoustics
- Air Quality
- Odour
- Ecology
- Biodiversity
- Hydrology
- Hydrogeology
- Toxicology
- Land Quality
- Geotechnics
- Soil Science
- Marine Science
- Social Performance
- ESIA Assessments
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Mining & Minerals Advisory
- Technical Due Diligence
- Quarrying
- Mineral Property Valuation
- Feasibility Study & Cost Review
- Environmental & Social Compliance Review
- Mine Waste Engineering
- Expert Witness
- Independent Technical Reports
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Planning & Development Hearings and Public Enquiries
- Strategic Planning
- Permitting
- Construction
- Masterplanning
- Urban Design
- Archaeology & Cultural Heritage
- Occupational Hygiene & Hazmat
- Landscape Impact Assessments
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Energy Advisory
- Asset Valuation
- Technical Due Diligence
- Unitisation
- Licenses
- Economics
- Regulatory Compliance
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Infrastructure
- Traffic Modelling
- Transport Planning & Modelling
- GIS & Information
- Local Authority Representation
- Civil Engineering
- Structural Engineering
- Sustainable Waste Management
- Land Surveying
- Process Engineering
- Process Safety
Track Record of Success
SLR has supported numerous expert witness assignments and is well-versed in the international dispute process. Our experts have testified in a variety of arbitration seats (PCA, UNCITRAL, ICSID, LCIA, and ICA/ICC) and courts. Our experts have contributed to landmark decisions across sectors, including renewable energy, infrastructure, mineral extractions, industrial emissions, commercial development, and environmental protection.
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$10B+
worth of M&A evaluations
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Top 30 ranking
in GAR's Expert Witness Power Index
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500+
expert witness assignments
Our Key Strengths in Arbitration Include:
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Clear Communication
We translate complex industry concepts into clear, tribunal-friendly reports and presentations.
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Analytical Excellence
Our team quickly gets to the heart of complex arguments with robust analytical support.
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Seamless Integration
SLR experts work seamlessly with third-party advisors within dispute teams.
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Network Access
If we don't have the ideal expert in-house, we leverage our extensive industry networks to find the right person.
A Selection of our Global Team:
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Natalie Kohler
Principal Environmental and Social Advisor
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Trevor Johnson
Technical Director
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Shane Healey
APAC Strategic Growth Director
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Ewan Whyte
Technical Director - Energy Advisory
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Jenny Hazzard
Head of Environmental Planning
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Michelle Dawson
Technical Discipline Manager
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Graham Clow
Mining & Minerals Global Strategy Director
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Ian Weir
Technical Manager, Mining Advisory
Get in Touch
SLR is at the forefront of providing legal disputes expert support to the oil & gas, power and renewables, mining, civil engineering, water, and other industry sectors.
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