Ready to improve the commercial outcome of your construction projects?
We can help.

Ready to improve the commercial outcome of your construction projects?
We can help.

What We Do

We work for Contractors, Sub-Contractors & Employers to successfully manage post-contract contractual and commercial risks with a focus on contentious variations, claims and dispute resolution.

We are engaged on an ad-hoc basis, on a retainer basis for larger projects/portfolios and on an interim management basis to assist in project turnaround scenarios.

Contractual claims

Our expertise is in extension of time claims, disruption claims, acceleration claims & other contractual claims. We provide expert assessment of the merits of a claim. We prepare, negotiate and/or defend claims through to final resolution.

Adjudication, Conciliation & Arbitration

Expert advice through dispute processes including initial assessment, claim preparation and defence, selection of Adjudicator/Conciliator, advocacy and settlement advice. Expert technical support for adjudication, conciliation and Arbitration including comprehensive Expert Witness services and experience of working with leading lawyers.

Independent oversight and reporting

Independent project oversight and reporting at Board level. Timely reporting of current project risk profiles including delay and extension of time claims, project management processes, estimates to completion.

Project Management Services (post-contract)

Commercial management support for commercial directors and project surveyors. Contemporaneous identification and management of contractual claims and delays as they arise. Support that ensures management processes comply with contractual notice provisions for claims.

John Collins,

John Collins

A Quick Bio

BSc, MSc, MBA, DipArb, DipICArb, FCIArb, FACostE, Listed Expert DIAC, Accredited Commercial Mediator.

John founded Proposition One in 2003, and is based in Dublin, Ireland.

He has been appointed as expert contracts/commercial specialist on construction projects with a cumulative value more than €2bn. With an extensive network of international claims specialists John can assemble and lead teams for any project no matter how large.


Proposition One has successfully completed assignments in Ireland, UK, Romania, Abu Dhabi, Dubai, Taiwan, Hong Kong with cumulative project values more than €2bn

Contact Us

We invite you to reach us on Whatsapp, Telegram, by telephone, or by using our Contact Form below and discuss how we may meet your needs.

We can start with a limited initial exercise to determine key commercial risks and potential recovery/liabilities in advance of undertaking any forensic claims exercise.