Keysight Technologies Completes Acquisition of Spirent Communications for £1.16 Billion

In October 2025, Keysight Technologies officially completed its acquisition of Spirent Communications for a total transaction value of approximately £1.16 billion (equivalent to $1.46 billion). Spirent's shares were formally delisted from the London Stock Exchange on October 17. The acquisition was successfully concluded after receiving approval from multiple regulatory authorities, including the U.S. Department of Justice, the UK Competition and Markets Authority, the French Ministry of Economy, the German Federal Ministry for Economic Affairs and Climate Action, and the China National Market Supervision Administration.

1761548205450.jpgSpirent is a UK-based provider of network, cybersecurity, and positioning automation test and assurance solutions. Its products, services, and managed solutions help customers address testing, assurance, and automation challenges in next-generation technologies, including 5G, SD-WAN, cloud computing, and autonomous vehicles. The company reported revenues of approximately $460.2 million last year. Spirent has a strong technical foundation in high-speed Ethernet testing, cybersecurity testing, and RF channel emulation.

Background and Strategic Significance

Keysight Technologies, a global leader in electronic test and measurement, has always been committed to driving industry development through technological innovation. The acquisition of Spirent is aimed at further expanding Keysight's footprint in the communication test field and enhancing its capabilities in network automation, lifecycle management, and GNSS testing. With the rapid development of emerging technologies such as 5G, cloud computing, and autonomous driving, the market demand for high-performance and reliable test solutions is growing. The combination of Spirent's technical strengths and Keysight's industry-leading position will provide customers with more comprehensive, efficient, and reliable test solutions to better meet the challenges brought about by technological upgrades.

Business Integration and Future Outlook

After the acquisition, Spirent's business and financial data will be integrated into Keysight's Communication Solutions Group. Keysight's President and CEO Satish Dhanasekaran said: "By integrating Keysight's leading technologies in design, simulation, and testing with Spirent's core strengths in satellite simulation, navigation and positioning, and network automation testing, we will further expand the coverage of our products and solutions to provide better services to our customers." The acquisition is expected to enhance Keysight's competitiveness in emerging areas such as non-terrestrial networks, low-Earth orbit (LEO) satellite constellations, and 6G development.

In addition, to meet regulatory requirements, Keysight will divest Spirent's high-speed Ethernet testing, cybersecurity testing, and RF channel emulation businesses. This move will help eliminate potential monopoly risks and ensure that the post-acquisition company maintains a healthy competitive market posture in all areas.

In the future, the combination of Keysight and Spirent will bring more innovation and change to the global communication industry. The integration of both parties' technologies will accelerate the testing and deployment of next-generation communication technologies, driving the entire industry towards higher performance standards. As 5G becomes widely commercialized, 6G development progresses, and technologies such as the Internet of Things and autonomous driving mature, the synergies between Keysight and Spirent will be fully realized, contributing to the continuous development of global communication technologies.

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