Gerry Brannigan


Construction 2019
Arbitration 2019
Consulting Experts 2018
Arbitration 2018
Consulting Experts 2017
Expert Information
Qualifications BEng (Hons) Environmental Engineering
Professional Memberships CEng, FCIBSE, MASHRAE, MSoPHE, MAE, ACIArb, SCL
Services Technical
Sectors Buildings
Expert Highlights
  • Over 45 international expert witness appointments.
  • Proven as a credible expert witness under cross-examination.
  • Successfully advises clients regarding feasibility and project scoping.
  • Delivers decisive and clear explanations of key facts and accountability.
  • Significant building services design experience.
  • Multi-disciplinary engineering project management and design management background.

Gerry Brannigan is Head of Buildings and Infrastructure for HKA’s Engineering services and a member of the HKA’s engineering management group. Since 2012, he has been appointed more than 45 times as an expert witness in building services engineering (MEP), and has acted as lead expert in multi-disciplinary construction disputes. He has given oral evidence at arbitrations, adjudications and dispute adjudication boards. In addition, he has assisted at mediations and provided a deposition in the USA.

Gerry’s appointments have concerned disputes in different jurisdictions including: Scotland, England, Ireland, Norway, UAE, Qatar, Australia and USA Federal Court. As well as undertaking individual building services/MEP expert witness appointments, Gerry has experience of managing and co-ordinating multi-disciplinary expert teams on complex construction disputes. He has opined on liability, design responsibility, client scope, performance issues, risk, professional responsibility, design duties, contractor duties, systems failures and contributed to the assessment of delay factors.

Gerry is listed in Who’s Who Legal as an expert witness in Construction, Consulting and Arbitration. WWL says: “Gerry Brannigan is a well-respected figure in the arbitration space, and is highlighted for his “ability to explain his points well, even when being cross-examined”… [he] is described by interviewees as “a thorough, reliable, hard-working expert” who “gives evidence well and provides excellent support during hearing preparation”. … [and] is considered as being “very well known” in the international construction space, most notably for his exceptional and impressive testifying work in arbitration and adjudication proceedings.”.

With a background in design engineering and project management, Gerry has experience in almost all types of buildings including residential, universities, healthcare, high-rise, multi-use developments, data centres, industrial facilities, commercial office developments, museums, galleries and airports. Gerry has extensive skills, knowledge and expertise in building services engineering with a focus on heating, cooling, ventilation, air conditioning, controls, public health engineering, sustainability and project planning. He has detailed knowledge of building physics, energy efficiency & sustainability, building regulations and the interaction of users on the performance of buildings. He has significant experience in project and design management, problem solving, design quality, client briefing and scope development, site inspection, project financial management, project programming and the coordination between disciplines on complex construction projects.

Contact Gerry
Location London, UK, Glasgow, UK
"Gerry Brannigan is a well-respected figure in the arbitration space, and is highlighted for his 'ability to explain his points well, even when being cross-examined'."
Who's Who Legal Arbitration: Expert Witnesses Who's Who Legal

Contact Gerry