- Amsterdam based Director and Head of The Netherlands office
- Specializes in Cost Management, Development Management and Project Management
- 20+ years industry experience.
Case Studies
News & Insights
News
10 DEC 2025
Hollis Highlights 2025
2025 has been an incredible year at Hollis, packed with achievements, growth and milestones we’re proud of.
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News
04 SEP 2025
Q+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.
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Insights
04 MAY 2025
Looking 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“Throughout my career in the construction industry, I have developed a deep passion for cost management, recognising it as the cornerstone of delivering value. By balancing efficiency of service with quality of information I have proudly support both individual clients and larger organisations to revisit how the deliver, what they focus on and how to improve. I greatly enjoy sharing my passion and experience with clients and colleagues alike and very much looking forward to doing exactly that in my new role at Hollis. Cost management should be everything about creating smart solutions that not only meet today’s needs but also lay the foundation for future growth.”