Spirent Communications plc

Headquarters: Crawley, United Kingdom

Founded: 1936

Employees: 1,500

CEO: Mr. Eric Updyke

LSE: SPT -1.82%

Market Cap

£1.03 Billion

GBP as of July 1, 2024

US$1.31 Billion

Market Cap History

Company Description

Spirent Communications plc is a telecommunications multinational. It was founded in 1936 and provides solutions for the development of devices and equipment, as well as the operation of communication networks throughout the world. Spirent is a network and security company that also provides lifecycle service assurance and linked devices for the communication, government, financial services, healthcare, retail, and transportation industries.

Spirent Communications plc market capitalization over time

Evolution of Spirent Communications plc market cap in the past 5 years

Market capitalizations are calculated from the opening stock price at the beginning of each month.

Market Cap History of Spirent Communications plc

Detailed Description

Spirent Communications plc provides automated test and assurance solutions for networks, cybersecurity, and positioning applications worldwide. The company operates through Networks & Security, Lifecycle Service Assurance, and Connected Devices segments. The Networks & Security segment develops performance and security test systems to accelerate the development of new devices, networks, and applications for high-speed Ethernet/IP, mobile, and global satellite navigation systems. The Lifecycle Service Assurance segment provides assurance systems to accelerate the turn up of new services, troubleshooting of customers, and production network problems. The Connected Devices segment develops systems for wireless connectivity. It serves communication, government, financial services, healthcare, retail, and transportation businesses. Spirent Communications plc has a collaboration agreement with Synopsys, Inc. to deliver a networking system-on-chip (SoC) verification solution. The company was formerly known as Spirent plc and changed its name to Spirent Communications plc in May 2006. Spirent Communications plc was founded in 1936 and is headquartered in Crawley, the United Kingdom.

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Stocks & Indices

Spirent Communications plc has the following listings and related stock indices.

Stock: LSE: SPT wb_incandescent

Stock: FSX: BW8 wb_incandescent

Stock: OTC: SPNUF wb_incandescent

Product & Services

Network diagnostics

Key People

Bill Thomas (chairman of​ the board) Eric Updyke (CEO) Paula Bell (CFO)


Revenue: US$576.0 million (2021)

Operating income: US$118.5 million (2021)

Net income: US$89.2 million (2021)



Northwood Park

Gatwick Road

Crawley, RH10 9XN

United Kingdom

Phone: 44 12 9376 7676