- London-based Engineering Director with over 15 years of experience in the real estate and built environment sector
- Specialises in Building Optimisation, maintenance-led projects, building forensics, and test and validation. His work focuses on improving asset performance, resolving technical issues, and delivering practical, evidence-based engineering solutions that enhance building reliability and long-term value
- Having worked across contractor, client, and consultancy roles, Jon brings a well-rounded commercial and technical perspective to complex building challenges
- Extensive expertise in technical due diligence, dilapidations, and maintenance management, including investment, acquisition, and vendor surveys. His cross-sector experience enables him to bridge the gap between engineering detail and commercial strategy, supporting clients through the full asset lifecycle
- As a Member of CIBSE, Jon combines technical rigour with pragmatic delivery, ensuring buildings operate efficiently, compliantly, and in line with client objectives.
Case Studies
Technical Due Diligence, MEP Engineering and Measured Surveys and Area Referencing
Border to Coast pension partnership in the UK
Multidisciplinary services supporting a £2bn asset portfolio.
Multidisciplinary services including Project Management
Taylor Wessing Office, Edward Pavilion in Liverpool, UK
A technically complex Cat B fit-out to deliver an exceptional, sustainable BREEAM excellent office space.
News & Insights
Thrive in Construction Podcast: Comfort is Killing Progress ft. Andy Hay
Andy Hay joined the Thrive in Construction podcast, sharing why clarity, capability and courage - not comfort - drive progress in a fast-changing world.
Read storyQ+A: Hollis CEO sets out European blueprint
In a recent interview with Green Street News, Andy Hay, CEO, shared our vision for the next chapter of our journey in continental Europe.
Read storyLooking to Europe in the face of global uncertainty: Andy Hay explains Hollis’s plans for growth
Andy Hay, our CEO, shares his journey, the unique perspective he brings to Hollis, and how we’re expanding across Europe.
Read story“I’m a problem solver, and I love that I get to work on solutions every day in my role. I’ve had the privilege of being a part of a fast-growing operational engineering team, which has been amazing to experience over the years. I look forward to continuing to work closely with my team to deliver more projects for our clients.”