Exceptional independent advisory services delivering expert witness, dispute resolution and strategic consulting.
Who We Are
Expert Services International is an independent consultancy providing expert witness, dispute resolution and strategic advisory services to the construction, infrastructure, resources and engineering industries. We serve leading law firms, insurers, developers, contractors and government bodies across Australia, the Asia-Pacific region and the United Kingdom.
Founded on the principle that complex disputes demand both technical depth and practical commercial understanding, our consultancy brings experience from both sides of the industry. We have acted for claimants and respondents, for principals and contractors, and in both common law and civil law jurisdictions. This 360-degree perspective enables us to anticipate challenges, identify vulnerabilities, and deliver advice that withstands scrutiny.
Our Approach
We operate as a specialist consultancy, not a volume practice. Each engagement receives direct principal involvement from instruction through to delivery. Our size is deliberate — it ensures consistency of quality, confidentiality, and the level of personal attention that complex disputes demand.
Our independence is fundamental. We are not affiliated with any law firm, contractor, insurer or developer. This allows us to provide advice that is objective, commercially informed, and capable of withstanding challenge in adversarial proceedings. Whether retained as expert witness, appointed as arbitrator, or engaged as strategic advisor, we bring the same rigour and impartiality to every matter.
International Reach
With established practice across Australia, the Asia-Pacific region and the United Kingdom, we bring direct experience of the contractual frameworks, legislative regimes and dispute resolution procedures applicable in each jurisdiction. Our clients benefit from a consultancy that understands local nuance while maintaining the rigour expected of international proceedings.
What We Deliver

Independent expert reports and testimony in quantum, delay, disruption and technical matters for court proceedings and international arbitrations.
Learn more →
Appointments as arbitrator, adjudicator, expert determiner and mediator across construction and engineering disputes.
Learn more →
Comprehensive analysis of loss and expense claims, variations, extensions of time, liquidated damages and disruption.
Learn more →
Claims preparation and assessment, quantification, presentation and assistance with resolution of contractual claims.
Learn more →
Efficient arbitration services for construction and engineering disputes under institutional and ad hoc rules.
Learn more →
Adjudication and advisory services under security of payment legislation across Australian states and territories.
Learn more →Our Clients
We are retained by and accept appointments from a broad range of stakeholders across the construction, infrastructure and engineering industries throughout Australia, Asia and the United Kingdom.
Industry Sectors
Our experience extends across the full spectrum of construction and infrastructure sectors, enabling us to provide informed, industry-specific advice regardless of the technical domain in question.