Our people

Our people

All together different — We're independent, multi-disciplinary real estate technical experts, project managers, and sustainability consultants. We understand how buildings work and how they perform. Meet our team.

Gary Williamson

Director

Gary Williamson

  • 30 years industry experience across a full range of Building Surveying Services
  • Birmingham based Director
  • Proven all-rounder known for leading high performing teams.

Case Studies

Peterhouse Technology Park

Multidisciplinary services

Peterhouse Technology Park in Cambridge, UK

Vendor reports across four buildings.

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Rushden Lakes, Northamptonshire

Multidisciplinary services

Rushden Lakes in Northamptonshire, UK

Investigation and resolution of multiple base-build defects.

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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 23 OCT 2025

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.

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News 08 SEP 2025

Hollis adds pair of directors to Birmingham team

We’re excited to announce the appointment of two new directors to our Birmingham office as part of our ongoing growth strategy in the Midlands

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“With nearly 30 years in the industry, I’ve worked across every sector, from surveying a one-bedroom flat to leading a £1.3m dilapidations claim down to £30k. I’ve built and led teams, mentored graduates to APC success, and thrive on turning my hand to any challenge in Building Surveying, with a calm head and solid results. At Hollis, I’m excited to collaborate with specialists and contribute to a world-class team.”