Grosvenor Technology

Computers and Electronics ManufacturingEngland, United Kingdom51-200 Employees

Grosvenor Technology, a division of Newmark Security PLC, develops and manufactures workforce management and access control solutions for organizations worldwide. Its history includes a timeclock lineage dating back to 1971, and since 1989 it has combined engineering heritage with modern hardware and software to deliver scalable systems.

Based in Poole, England, the company serves organizations through its access control and workforce management offerings. Its JanusC4 access control platform supports everything from single-door installations to multi-site enterprises and integrates with related systems such as fire safety, CCTV and building management, with multilingual software. In workforce management, the company offers edge-capable timekeeping hardware and a cloud-based GT Time platform that links time data with HCM systems like Oracle and Workday through middleware. A notable recent development is the 2025 launch of GT Time, now available via the Oracle Cloud Marketplace, reflecting ongoing expansion of its cloud integrations.

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