Previously based at Portsmouth Port and in its 60th year, the company directly employs over 130 staff and has a £42m turnover.
Services include demolition and decommissioning, dismantling and asset recovery, decontamination and industrial cleaning, façade retention, site clearance and land remediation.
Clients range from blue chips, developers, main contractors and local authorities to government bodies, health trusts and utility companies.
Sectors are industrial, chemical, oil & gas, nuclear, aerospace, local authority, regeneration, emergency response and education.
Property consultancy Vail Williams acted for the seller Heaton Property Investments Ltd.
The premises, with private parking for 38 cars, electric vehicle charging points, a first-floor board room and meeting rooms, has been extensively refurbished.
Leroux House is the largest self-contained office on the Cams Estate and one of the best located buildings, with views across the golf course.
A spokesperson for Hughes & Salvidge said: “After a record 2023 for us, Leroux House will serve as our new headquarters at an important time of strategic expansion for the business, not only regionally and throughout the UK but internationally as well, with projects in Europe and the Middle East through our ‘demolish – crush – recycle ‘ solutions.