About Spirent
Spirent is a publicly listed company based in Crawley (United Kingdom) founded in 1936 by Jack Bowthorpe, and was acquired by Keysight in March 2024. It operates as a provider of automated testing and assurance solutions for networks, security, and positioning. Spirent has completed 11 acquisitions, including Caw Networks, DAX Technologies and Epitiro. Its chief executive is Eric Updyke. Its website spirent.com draws about 61 thousand monthly visits. Spirent offers products and services including Automated Testing Solutions, 5G Accelerate, Active Assurance, and High-Speed Ethernet. Its focus areas include Enterprise Infrastructure, Enterprise Networking, Testing Solutions and Cybersecurity. Its legal entity is SPIRENT COMMUNICATIONS PLC. Its competitors include Sauce Labs, Headspin, Tricentis, BrowserStack and Opkey and 2 more; 7 of its 7 listed competitors have raised funding.
Company details
Founded in 1936 and headquartered in Crawley, United Kingdom, Spirent operates in the telecommunications and technology testing sector. Automated testing and assurance solutions are offered for networks, security, and positioning technologies, including 5G and high-speed Ethernet. Support is extended throughout the technology lifecycle, from development to deployment, addressing challenges in next-generation systems. Operations focus on enabling reliable product delivery across global markets.
- Headquarters Crawley, United Kingdom
- Founders Jack Bowthorpe
- Stage Acquired
- SectorsTechnology
- Website category Computers Electronics and Technology · Telecommunications
- Phone•••• ••••
- Website spirent.com
- Social LinkedIn X Facebook Instagram YouTube
- Acquired by Keysight (Mar 2024)
- Legal Name Spirent Communications Plc
- Annual Revenue$451.24 M (USD)-5.61as on Dec 31, 2024
- Net Profit$12.65 M (USD)-50.2as on Dec 31, 2024
- EBITDA$51.28 M (USD)-9.15as on Dec 31, 2024
- Latest Funding Round$32.36K (USD), Grant
Nov 2013
- InvestorsKeysight
& 2 more
- Investments & AcquisitionsCaw Networks
& 10 more
- Acquired byKeysight
(Mar 2024)
Products & Services of Spirent
Spirent offers a comprehensive portfolio of products and services, including Automated Testing Solutions, 5G Accelerate, Active Assurance, and High-Speed Ethernet.
Tools for validating networks and security in real-world conditions
Solutions to speed up 5G development and deployment
Visualization for identifying network issues before impact
Testing for next-generation network infrastructure
Apps and channels of Spirent
its YouTube channel Spirent - Video Hub has 1.64K subscribers and 30 videos.
Videos from Spirent
The most watched videos on Spirent's YouTube channel, Spirent - Video Hub (1.64K subscribers). Click a video to play it here.
More on Spirent - Video Hub.
Funding Insights of Spirent
- Total Rounds 2
- Last Round Grant — $32,364
- First Round $164,998
(Jul 2012)
- Investors Count 2
All 2 funding rounds of Spirent with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Nov 2013 | $32,364 | Grant | – | – | |
| Jul 2012 | $164,998 | Grant | – | – |
3 investors in total: 3 institutional.
Investors in Spirent
Spirent has secured backing from 3 investors, including institutional investors. Prominent investors backing the company include Keysight, European Union and National Science Foundation.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Government entites focused on freedom, democracy, equality and the rule of law, promoting peace and stability | 1958 | europa.eu | Brussels, Belgium | |
A government-backed foundation providing seed-stage investments to support small businesses. | 1950 | nsf.gov | Arlington, United States | |
Electronics test and measurement equipment is manufactured for diverse industries. | 2014 | keysight.com | Santa Rosa, United States |
Investor details for Spirent
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of Spirent
253 people are tracked at Spirent (83 in leadership, 4 in board & advisors, 166 in team).
| Name | Role | Group |
|---|---|---|
Jack Bowthorpe | Founder | Leadership |
Eric Updyke | CEO | Leadership |
Paula Bell | Chief Financial & Operations Officer | Leadership |
Preston Hogue | Account Director - Enterprise And Tier I And II Csps | Leadership |
Tareq Darwish al-Haji | Regional Sales Director - MEA | Leadership |
Stell Hua | Sales Development Director | Leadership |
Zhong Hua | Director Of Business Development | Leadership |
Greg T. | Vice President Sales Americas | Leadership |
Ken O'Grady | Director Of Sales | Leadership |
Mike Peck | Head Of Government, Defence & Space Sales - EMEA | Leadership |
Jeff Johnson | Sr. Director, Business Operations Automated Test & Assurance | Leadership |
Tom Lynch | Director Of Sales, Spirent Communications | Leadership |
Nagaraj M. R. | Head Of HR | Leadership |
Masatoshi Nishihara | Client Partner Executice | Leadership |
Rob H. | Director Of Global Channel & Sales Enablement Operations | Leadership |
Carrie Zeigler | Director Hr, Sales & Services | Leadership |
Vince Pollitto | Finance Director | Leadership |
Jess Howard | Director Of Product Marketing | Leadership |
Richard Taylor | Sales Director EMEA | Leadership |
Kenichi Takahashi | Channel Partner Manager | Leadership |
233 more people are available in the full profile.
Complete people profiles for Spirent
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
IPO & Listings of Spirent
Spirent is a publicly listed company on the LSE with ticker symbol SPT in UK, operating in the Electronic technology sector. As a publicly traded entity, the company provides investors with opportunities to participate in its growth story through equity ownership. The listing enables access to capital markets, enhances corporate visibility, and provides liquidity for shareholders while maintaining transparency through regulatory compliance and regular financial disclosures.
- Listed onLSE: SPT
- Listed entitySpirent Communications plc
- Exchange sectorElectronic technology
- Share price198.40 GBX (+1.64% on the day) · 2025-09-29
- Market capitalisation1,146,600,691.00 GBX
- Price to earnings204.5
- EPS (diluted, trailing year)0.01 GBX
- Dividend yield1.28%
- Volume (last session)141,181
- Analyst consensusNeutral
Financials of Spirent
| Year | Revenue | Net income | EBITDA |
|---|---|---|---|
| 2024 | 360.1M GBP | 10.1M GBP | 40.9M GBP |
| 2023 | 381.6M GBP | 20.3M GBP | 45.0M GBP |
| 2022 | 493.2M GBP | 81.1M GBP | 113.4M GBP |
| 2021 | 418.8M GBP | 64.9M GBP | 98.0M GBP |
| 2020 | 407.4M GBP | 65.8M GBP | 94.7M GBP |
Detailed financial statements for Spirent
Statement rows, ratios, five-year trends and downloadable financials of the group companies require an active premium plan.
- Statement rows
- Financial ratios
- Five-year trends
- Downloads
Verified entity values are shown only after access is granted.
Investments & Acquisitions by Spirent
Spirent has strategically engaged in corporate development activities, having acquired 11 companies. Notable acquisitions include Caw Networks, DAX Technologies and Epitiro.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
Wireless network testing equipment is supplied to telcos and enterprises. | octoscope.com | Littleton, United States | 2006 | Mar 2021 | $55M | |
Test automation products and services are provided for various sectors. | testingtech.com | Berlin, Germany | 2000 | Mar 2016 | •••• | |
Internet performance monitoring and troubleshooting services are provided by Epitiro. | epitiro.com | Cardiff, United Kingdom | 2000 | Dec 2015 | •••• | |
Cloud-based device intelligence solutions provider | tweakker.com | Aarhus, Denmark | 2009 | Sep 2014 | $20M | |
CEM analytics solutions are provided for telecom customer experience management. | daxtechnologies.net | New York, United States | 1996 | Feb 2014 | $37M | |
Mobile device performance analytics services are provided to wireless carriers. | metricowireless.com | Frederick, United States | 2003 | Sep 2012 | $52M | |
Provider of network testing solutions provider | mudynamics.com | Sunnyvale, United States | 2005 | Apr 2012 | $40M | |
Automated testing software for telecom and network equipment is delivered. | fanfaresoftware.com | Mountain View, United States | 2004 | Feb 2011 | $15M | |
Network testing, diagnosis, troubleshooting, and monitoring are provided. | swissqual.com | Zuchwil, Switzerland | 2000 | Jan 2006 | •••• | |
Environmental, educational, and community programs are offered by Caw Networks. | caw.com | San Francisco, United States | 2000 | Jul 2002 | $109M |
Complete acquisition details for Spirent
Acquired stakes, deal sources and the complete acquisition history require an active premium plan.
- Acquired stakes
- Deal sources
- Complete history
- Exports
Verified entity values are shown only after access is granted.
Timeline of Spirent
14 dated milestones of Spirent across 88 years, from founding to its latest funding, stage changes and deals.
- Founded Spirent is founded.
- Acquisition Acquires Caw Networks.
- Acquisition Acquires Swissqual.
- Acquisition Acquires The Fanfare Group.
- Acquisition Acquires Mu Dynamics.
- Funding First funding round of $165K.
- Acquisition Acquires Metrico Wireless.
- Funding Latest funding round, Grant, of $32K.
- Acquisition Acquires DAX Technologies.
- Acquisition Acquires Tweakker.
- Acquisition Acquires Epitiro.
- Acquisition Acquires Testing Tech.
- Acquisition Acquires Spirent.
- Exit Acquired by Keysight.
Competitors of Spirent
Spirent has 7 listed competitors in our database, 7 of them funded. They include Sauce Labs, Headspin, Tricentis, BrowserStack and Opkey, among others.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| saucelabs.com | 2008 | San Francisco, United States | $227.74M | 146 | Cloud based cross browser testing solutions provider | |
| headspin.io | 2014 | Palo Alto, United States | $117M | 80 | Cloud-based IT experience and continuous testing solutions are offered. | |
| tricentis.com | 2007 | Vienna, Austria | $1.5B | 82 | AI powered software testing suite | |
| browserstack.com | 2011 | Mumbai, India | $253.3M | 1,153 | Cloud based suite of software testing solutions | |
| opkey.com | 2013 | Dublin, Ireland | $56.75M | – | AI-powered test automation platform for enterprise resource planning is provided. | |
| lambdatest.com | 2017 | San Francisco, United States | $108.4M | 406 | Cloud-based cross-browser testing services are provided for web applications. | |
| forwardnetworks.com | 2013 | Los Altos, United States | $112.97M | 72 | Network testing platform is utilized for visibility and outage prevention. |
Detailed competitors of Spirent
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
- Operating metrics
- Benchmarks
- Competitive positioning
Verified entity values are shown only after access is granted.
Web traffic of Spirent
The website of Spirent (spirent.com) receives about 60.6K visits a month and ranks #519,725 among all websites worldwide, #2,925 in Telecommunications.
- Monthly visits60.6K
▼ 3.9% vs previous month
- Unique visitors25.3K
per month
- Global rank#519,725
among all websites
- Category rank#2,925
Computers Electronics and Technology · Telecommunications
- Bounce rate43%
- Pages per visit2.4
- Average visit1 min 07 sec
- DevicesDesktop 41% · Mobile 59%
Websites whose visitors overlap most with Spirent. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
ixiacom.com | ixiacom.com | 100% | – | #3,713,006 | – |
jdsu.com | jdsu.com | 100% | – | – | – |
sunrisetelecom.com | sunrisetelecom.com | 91% | – | – | – |
spirent.webex.com | spirent.webex.com | 79% | – | – | – |
spirentfederal.com | spirentfederal.com | 77% | – | #1,509,091 | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 40 similar websites and full traffic analytics for Spirent
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 40 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
Top companies in Enterprise Networking & IT Infrastructure
10 companies that operate in the same segment as Spirent (Enterprise Networking & IT Infrastructure), ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Cloud orchestration solutions are provided for multi-cloud and device applications. | 1998 | Palo Alto, California, United States | USD 595.83 M | USD 812.05 M | 8,861 | |
Cloud based website security solutions | 2009 | San Francisco, California, United States | USD 332.1 M | USD 1.67 B | 7,330 | |
Cybersecurity and zero trust solutions are delivered for secure networks. | 2007 | San Jose, California, United States | USD 148 M | USD 3.35 B | 9,616 | |
Provider of cloud and AI based CDN management software | 1998 | Cambridge, Massachusetts, United States | USD 61.5 M | USD 4.21 B | 10,700 | |
Cloud-based monitoring and tracing of hybrid application performance are provided. | 1999 | Austin, Texas, United States | USD 308.14 M | USD 2.11 K | 153 | |
Cloud networking solutions are delivered via AI and SaaS platforms. | 2004 | Santa Clara, California, United States | USD 1.5 M | USD 7 B | 4,410 | |
Cloud-based network infrastructure for IoT applications is provided. | 2004 | Boise, Idaho, United States | USD 154.85 M | USD 8.52 M | 165 | |
Cloud-based content delivery network solutions are provided globally. | 2001 | Tempe, Arizona, United States | USD 130 M | USD 15.87 M | 18 | |
Cloud security solutions are delivered for enterprise visibility and protection. | 2012 | Santa Clara, California, United States | USD 1.44 B | USD 34.05 M | 3,400 | |
Hybrid cloud integration software is developed for enterprise connectivity. | 2014 | Santa Clara, California, United States | USD 346 M | USD 1.32 M | 419 |
Unlock complete access to The Company Check
Get unrestricted viewing across everything we track — from companies and brands to investors, funding rounds, acquisitions, financials, and more.
- Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
- Full access to every database India & global coverage, advanced filters and rich profile details
- Always-on access from your team account Single premium plan for everything you see on the portal
Related news about Spirent
Complete news archive for Spirent
Full article history, source details, and older brand coverage require an active premium plan.
- Full article archive
- Source and publication date
- Older coverage
- Brand-specific news history
Verified entity values are shown only after access is granted.
Frequently Asked Questions about Spirent
Spirent was founded in 1936 and raised its 1st funding round 76 years after it was founded.
Spirent is headquartered in Crawley, United Kingdom.
Eric Updyke is the current CEO of Spirent.
Annual revenue of Spirent is $451.24M as on Dec 31, 2024.
Founded in 1936 and headquartered in Crawley, United Kingdom, Spirent operates in the telecommunications and technology testing sector. Automated testing and assurance solutions are offered for networks, security, and positioning technologies, including 5G and high-speed Ethernet. Support is extended throughout the technology lifecycle, from development to deployment, addressing challenges in next-generation systems. Operations focus on enabling reliable product delivery across global markets.
Spirent's top competitors include BrowserStack, LambdaTest and Headspin.
Spirent offers Automated Testing Solutions, 5G Accelerate, Active Assurance, and High-Speed Ethernet.
Yes, Spirent is publicly traded on LSE under the ticker symbol SPT.
Spirent has made 11 acquisitions, including Caw Networks, DAX Technologies, and Epitiro.
Spirent has 3 investors. Key investors include Keysight, European Union, and National Science Foundation.
Spirent operates through Spirent Communications Plc.
Yes. Spirent was acquired by Keysight in March 2024.