We deliver exceptional standards of independent advisory services to leading law firms and businesses, providing expert witness, dispute resolution and advisory services related to the natural and built environments, resolving complex, contentious and non-contentious issues that arise over the lifecycle of projects, delivering strategic consulting throughout every phase of complex projects and dispute resolution.
Tribunal Advisory and Expert Services
Delivering exemplary standards of technical advisory and expert witness services to domestic and international tribunals, leading law firms and businesses through every phase of complex issues and dispute resolution.
Expert Witness
Quantum, valuation, time and technical expert witness services for construction and infrastructure disputes. Our expert witness service can make the difference in success by conveying the correct expert opinion reflecting a detailed understanding of industry and factual accuracy.
Learn more →Dispute Resolution
Independent arbitration, expert determination, mediation and adjudication services providing efficient resolution of complex commercial matters. We provide a vital link between the technical and legal aspects of a case.
Learn more →Strategic Advisory
Claims analysis, commercial consultancy and strategic guidance through every phase of dispute resolution. Financial, mitigation and disputes management services help overcome challenges on complex projects.
Learn more →About the Consultancy
We guide clients through risk, disputes, and uncertainty helping to resolve contentious, and non-contentious issues on major contracts and complex projects.
Expert Services International provides exceptional independent advisory services encompassing the natural and built environments. We provide expert witness services in quantum, disruption, delay, and technical matters, expert determination, arbitration, mediation, conciliation and advisory services.
We have decades of experience leveraging multidisciplinary qualifications and expertise to efficiently identify the best solutions to complex, contentious and non-contentious issues that emerge over the lifecycle of projects.
About Our Consultancy →International Reach
Our multidisciplinary expertise, stemming from over three decades of experience, empowers our clients across numerous industries to resolve complex contentious and non-contentious issues relating to all stages of project lifecycles and complex contracts.
With extensive experience working with global law firms, developers, owners, employers, contractors, subcontractors and professional practices, we understand our clients' perspectives. This insight, paired with our determination, enables quick solutions tailored to each business' needs.
Meet Our Director →Our Services
We provide a comprehensive range of multidisciplinary services to the world's top law firms and corporations, major infrastructure organisations, professional practices, resource companies, international contractors and specialist subcontractors.

Our expert witness service embraces quantum, valuation, time and technical matters and can make the difference in success by conveying the correct expert opinion reflecting a detailed understanding of industry and factual accuracy.
Learn more →
Proven ability across complex quantum claims, delay analysis and disruption assessment on major projects throughout Australia, Asia and the United Kingdom.
Learn more →
Experts at identifying, analysing, preparation or rebutting contractual claims, we also provide supporting services including the quantification, presentation, management and assistance with resolution of contractual claims.
Learn more →
Expert Services International provide dispute resolution support associated with various tribunals. This representation for parties can provide a vital link between the technical and legal aspects of a case.
Learn more →
We offer fixed cost and efficient fee arbitration schemes for appropriate disputes with limited complexity, enabling disputants to have an efficient and cost effective means to resolving a dispute.
Learn more →
Because of the unique and technical nature of construction projects and the complex nature of relationships involved, appointing a construction mediator with broad experience and substantial qualifications is essential.
Learn more →
Our consultants can be appointed to act as independent expert determiner to provide an efficient expert determination on technical matters, which may be legally binding or subject to other rules.
Learn more →
We assist various clients in the construction industry with the identification and analysis of correct quantum and valuation under contract across all jurisdictions in Australia.
Learn more →
Inadequate quality, design and defective work are common sources of dispute. We are well placed to provide investigation and analysis into complicated construction defects and problems that arise.
Learn more →Industry Experience