Mark Ridehalgh

Mark Ridehalgh is an experienced finance professional serving as the Finance Director for the UK and Ireland at SigmaRoc plc since June 2025. Prior to this role, Mark held several key positions at Laing O'Rourke from November 2013 to July 2025, including Finance Leader for Group Reporting and Infrastructure & Specialist Trading Business Group. Responsibilities at Laing O'Rourke encompassed global board reporting, team management, and financial oversight for multiple business units with significant revenues. Mark's career began at Deloitte as an Assistant Manager in Audit, following completion of a First Class BA in Accountancy from the University of Liverpool. Additionally, Mark has contributed to Merseyside Young Professionals as a committee member and gained practical experience at American Golf and Bentley Motors Ltd.