Hawthorne has appointed Marion Cook as Business Development Manager. Marion joins from Otis Elevator and Johnson Controls, where she worked in account management and service sales across complex building systems. Her appointment comes as Hawthorne continues to build momentum following its acquisition and rebrand from SSY (Security Solutions Yes), and reflects a strategic focus on delivering CCTV, fire detection, and access control systems to commercial and private clients across East Anglia and nationwide. The appointment was covered by PSI Magazine.
Leanne Osborne, who oversees operations at Hawthorne, welcomed the appointment: "Marion understands the environments our clients operate in and the importance of systems that simply have to work. As Hawthorne grows, strengthening our commercial capability is an important step in supporting both our existing customers and new sectors where resilience and security are becoming increasingly important."
Marion's appointment is a further sign of the business's intent as it continues to invest in the team and infrastructure needed to serve a growing client base across the UK.
Coverage in PSI Magazine
The appointment was covered by PSI Magazine, one of the UK's leading trade publications for the professional security and fire safety industry.
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Last updated: April 2026