Spirent Communications plc
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- Spirent Communications plc Spirent Communications plc provides automated test and assurance solutions for networks, cybersecurity, and positioning technologies; its core offerings include lab-based testing for 5G mobile core networks and Wi-Fi devices through its Lifecycle Service Assurance segment, as well as solutions for virtualized networks, cloud infrastructure, AI-driven networking, and security validation in its Networks & Security segment; additional products encompass Spirent TestCenter for network performance testing, Spirent CyberFlood for cybersecurity assessment, active assurance tools for real-time issue visualization, Wi-Fi performance validation, and precise positioning solutions such as PNT Xe for applications in autonomous vehicles and defense. The company serves over 1,500 customers worldwide, including communications service providers, government agencies, defense and aerospace organizations, financial services, healthcare, and retail sectors, with operations spanning the Americas, Europe, Middle East, Africa, and Asia Pacific regions through offices in key locations including Crawley, United Kingdom; Santa Clara, California; Ottawa, Canada; Munich, Germany; and Wuhan, China. Founded in 1949 and headquartered at Origin One, 108 High Street, Crawley, West Sussex RH10 1BD, United Kingdom, Spirent Communications plc focuses on accelerating time-to-market, reducing complexity, and ensuring performance for next-generation technologies like 5G-Advanced, AI networks, cloud services, and IoT. In recent developments, Keysight Technologies Inc. completed its acquisition of Spirent Communications plc for approximately £1.2 billion in October 2025 following regulatory approvals, with Keysight divesting Spirent's high-speed Ethernet and network security business lines to VIAVI Solutions Inc., which signed a definitive agreement in March 2025 for an expected close in Q2 2025 adding about $180 million in annual revenue.
Viavi: Growth Is Back, Cash Flow Is Real, And Spirent Changes The Game
Spirent and Telescent Announce Global Strategic Partnership to Deliver Enhanced Test Lab Automation
Spirent and Juniper Networks Collaborate to Showcase First Public UET Test
Spirent Launches Scalable Over-the-Air Solution to Enable True End-to-End Network Testing with Real Handsets
Keysight to divest Spirent units to VIAVI as part of US consent agreement
U.S. to require asset divestitures for Keysight purchase of Spirent
Keysight's Spirent Acquisition And Cyclical Recovery To Drive 12% EPS Growth In FY25; JP Morgan Upgrades Stock
Another Spirent bid from Viavi bid not off table, reports Reuters
Viavi considers reviving rival bid for Spirent, say sources
Spirent Announces PNT X – the Next Generation Test Solution for Positioning, Navigation and Timing
Spirent Helps Leading European Fintech Platform Organization Boost Cyber Defenses
Spirent turns back on Viavi in backing Keysight's $1.46 billion takeover bid
Viavi gazumped as Spirent agrees to Keysight takeover bid
Keysight agrees to buy Britain's Spirent for $1.5 bln
Keysight to launch offer for London-listed Spirent, Sky News reports
Spirent Showcases Advanced Ethernet Validation Solutions at OFC 2024
Spirent agrees to takeover bid from Viavi as profits crumble
US-based Viavi to buy UK's Spirent Communications for $1.28 bln