Henry David Easterbrook

Hydrock Holdings Ltd. is based in Bristol, UK, and has subsidiaries in the United Kingdom. The British company operates in the engineering design, energy, and sustainability consulting services sector. Hydrock Holdings Ltd. is a holding company founded in 2017.

Part of Stantec, Inc., Hydrock Consultants Ltd. is a leading integrated engineering design, energy and sustainability consultancy. The company is based in Almondsbury, UK. The British company brings sustainable solutions to major infrastructure projects and landmark buildings. The company specializes in estate optimization, helping clients reimagine their real estate portfolio to generate greater flexibility and cost-savings, while maximizing income from new, sustainable revenue streams. The company was founded in 1995 by Brian James McConnell, who has been the CEO since 1995. Hydrock Consultants was acquired by Stantec, Inc. on May 01, 2024.

Willoughby 1000 Ltd. engages in the provision of contracting and consulting services. The company was founded by Brian McConnell in 1995 and is headquartered in Bristol, the United Kingdom.