When was Spirent founded?

Spirent was founded in 1936 and raised its 1st funding round 76 years after it was founded.

Where is Spirent located?

Spirent is headquartered in Crawley, United Kingdom. It is registered at Origin One, 108 High Street, Crawley, England, RH10 1BD.

How many employees does Spirent have?

As of May 31, 2026, the latest employee count at Spirent is 1804.

Is Spirent a funded company?

Spirent is a funded company, having raised an undisclosed amount across 2 funding rounds to date. The company's 1st funding round was a $***** Grant (prize money) round, raised on Jul 01, 2012.

How much is Spirent worth?

The last known valuation of Spirent was $***** as of Mar 05, 2024.

When was the latest funding round of Spirent?

Spirent's latest funding was a $***** Grant (prize money) round on Nov 13, 2013, with participation from 1 investor. Its primary sector is Cybersecurity. In United Kingdom, the Cybersecurity sector has seen $413M in funding in 2026 to date.

Where does Spirent rank among its competitors?

Spirent ranks 3rd amongst 212 active competitors, of which 31 are funded. It stands 9th in terms of total funding among its competitors. The most recent competitor to raise funding was Exein, which secured $118M in Dec, 2025.

Who are the top competitors of Spirent?

Spirent's top competitors include Aruba Networks, Allot and Exein. Among them, Exein secured the most recent funding round in December, 2025.

Spirent - 2026 Company Profile, Team, Funding, Competitors & Financials

Company Details

Provider of automated testing and assurance solutions for networks and security. The company delivers solutions addressing complexity and security vulnerabilities of next-generation technologies. It offers services for 5G, Wi-Fi, positioning, and cybersecurity. The company helps clients accelerate development and ensure performance.

Website: www.spirent.com/
Social
Phone Number: +44 **********
Registered Address: Origin One, 108 High Street, Crawley, England, RH10 1BD

Key Metrics

Founded Year

1936

Location

Crawley, United Kingdom

Stage

Acquired

Latest Funding Round

Grant (prize money), Nov 13, 2013, $*****

Last Known Valuation

$***** as on Mar 05, 2024

Investors

Herald Investment Management & 2 more

Ranked

3^rd among 212 active competitors

Employee Count

1,804 as on May 31, 2026

Investment & Acquisitions

Testing Tech & 9 more

Similar Companies

Aruba Networks & 226 more

Exit Details

Acquired by Keysight (Mar 28, 2024)

View Spirent's full profile

Spirent is associated with 6 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
SPIRENT COMMUNICATIONS (INDIA) PRIVATE LIMITED CIN: U64202KA2004PTC034400 , India, Active	Jul 26, 2004	₹50 - ₹100 Cr (As on Mar 31, 2022)	1582 (As on Dec 31, 2021)
Spirent Communications Inc CIN: 113572676 , United States, Active	Oct 30, 2000	-	799 (As on Dec 31, 2024)	-
Spirent Communications Plc CIN: 470893 , Germany, Active	Jul 15, 1949	-	1582 (As on Dec 31, 2021)
Spirent Communications GmbH CIN: HRB161033 , Germany, Active	Feb 15, 2006	-	1582 (As on Dec 31, 2021)
Solutions RAJ s.r.o. CIN: 04657942 , Czech Republic, Active	Dec 18, 2015	-	-
Spirent Communications Inc. CIN: 20031032135 , United States, Active	Jan 29, 2003	-	-	-

Spirent got acquired by Keysight on Mar 28, 2024.

Click here to take a look at Spirent's acquisition in detail

Spirent has raised funding over 2 rounds. Its first funding round was on Jul 01, 2012. Its latest funding round was a Grant (prize money) round on Nov 13, 2013 for $*****. 1 investor participated in its latest round. Spirent has 3 institutional investors.

Here is the list of recent funding rounds of Spirent:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Nov 13, 2013	1459927	Grant (prize money)	5426614	1193080	1060196	6056215
Jul 01, 2012	8975461	Grant (prize money)	7656561	7866397	9866872	National Science Foundation

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View details of Spirent's funding rounds and investors

The founders of Spirent is Jack Bowthorpe. Eric Hutchinson and Eric Updyke are the CEOs of Spirent.

Here are the details of Spirent's key team members:

Jack Bowthorpe: Founder of Spirent.
Contact Info: 1 email address
Eric Hutchinson: CEO of Spirent.

View details of Spirent's Founder profiles and Board Members

Spirent's employee count trend

Spirent has 1,804 employees as of May 26. Here is Spirent's employee count trend over the years:

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Top competitors of Spirent include Aruba Networks, Allot and Exein. Here is the list of Top 10 competitors of Spirent, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Aruba Networks 2002, Sunnyvale (United States), Acquired	Provider of edge-to-cloud solutions including networking, security, and AI operations	$86.5M	Cervin, Artis Ventures & 8 others	69/100
2nd	Allot 1996, Hod Hasharon (Israel), Public	Cloud based platform offering network management software	-	Demtech, Walden Israel & 8 others	65/100
3rd	Spirent 1936, Crawley (United Kingdom), Acquired	Provider of automated testing and assurance solutions for networks and security	-	Herald Investment Management, National Science Foundation ... & 1 others	64/100
4th	Exein 2018, Rome (Italy), Series C	Provider of AI-powered cybersecurity solutions embedded directly into device firmware	$225M	Blue Cloud Ventures, United Ventures & 12 others	59/100
5th	Venustech 1996, Beijing (China), Public	Network security solution for enterprise	$19.2M	Kleiner Perkins, CCV Capital & 2 others	59/100
6th	Secret Network 2020, Chicago (United States), Series C	Provider of privacy-preserving smart contracts and confidential computing layer for Web3 and AI applications	$412M	Alameda Research, Arrington XRP Capital & 18 others	58/100
7th	EclecticIQ 2014, Amsterdam (Netherlands), Series C	Provider of a threat intelligence platform that delivers contextual business insights	$52.2M	Keen Venture Partners, TIIN Capital & 13 others	57/100
8th	Tufin 2004, Ramat Gan (Israel), Acquired	Fire-wall based network security solutions	$8M	ADS Ventures, Vintage Investment Partners ... & 6 others	55/100
9th	Finjan Cybersecurity 1996, New York City (United States), Acquired	Cybersecurity leader, proactively detecting unknown threats with behavior-based intellectual property	$67.5M	HarbourVest Partners, Cisco Investments & 11 others	55/100
10th	EXFO 1984, Quebec City (Canada), Acquired	Provider of network testing, monitoring, and analytics solutions. These solutions encompass field and lab testing equipment, software platforms for service assurance, and operational analytics modules. The offerings cater to various sectors including telecommunications service providers, cable operators, data centers, and government agencies. Specific testing capabilities include 5G, fiber optics, and Ethernet technologies. Support services include calibration, training, and maintenance.	-	-	55/100

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Spirent has made 2 investments in companies including Jolata and Caw Networks. Spirent has also acquired 8 companies including Testing Tech and Epitiro.

Here is the list of investments & acquisitions:

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Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Mar 30, 2016	Acquisition	Testing Tech	2000	Berlin (Germany)
Dec 08, 2015	Acquisition	Epitiro	2000	Cardiff (United Kingdom)
Oct 21, 2015	Investments	Jolata	2012	Los Gatos (United States)