Our Leadership

Operating from offices in Manchester, Bath and Glasgow, our team brings together extensive technical expertise and a shared commitment to delivering sustanable, practical, and client-focused solutions that help projects move from concept to completion.

Patrick ‘PJ’ Leyden

Co-Founder and Chairman

Conor Leyden

Conor Leyden

Managing Director

Colin Crompton

Head of Section

Dr Paul Quimby

Dr. Paul Quimby

Technical Director

Nick Riding

Director

Dave Anderson

Director

Sam Neden

Samantha Neden

Business Development & Marketing Manager

Helen Finch

Helen Finch

Group Operations and Compliance Manager

Simon Leat

Regional Director - South West

Bringing more than 36 years of experience in the ground engineering and environment sector, Leat’s expertise includes ground investigation, geotechnical design, remediation, and contamination assessment, as well as project management, procurement, and client liaison.

Leat began his career at the Property Services Agency, where he contributed to landmark projects, including the Windsor Castle Round Tower Stabilisation Project, and later spent several years with Soil Mechanics, where he served as a company regional lecturer on soil and rock description.

His appointment reflects our ongoing commitment to investing in our regional presence and supporting infrastructure and development projects across the South West.