M&A Deal Summary

VIAVI Acquires Spirent Communications - High-Speed Ethernet & Network Security Testing Business

On March 3, 2025, VIAVI acquired communications company Spirent Communications - High-Speed Ethernet & Network Security Testing Business from Spirent Communications for 425M USD

Acquisition Highlights
  • This is VIAVI’s 3rd transaction in the Communications sector.
  • This is VIAVI’s 6th largest (disclosed) transaction.
  • This is VIAVI’s 4th transaction in the United Kingdom.

M&A Deal Summary

Date 2025-03-03
Target Spirent Communications - High-Speed Ethernet & Network Security Testing Business
Sector Communications
Buyer(s) VIAVI
Sellers(s) Spirent Communications
Deal Type Divestiture
Deal Value 425M USD

Target

Spirent Communications - High-Speed Ethernet & Network Security Testing Business

Crawley, United Kingdom
Spirent Communications' High-Speed Ethernet & Network Security Testing Business provides an ethernet testing platform.

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Buyer(S) 1

Buyer

VIAVI

Chandler, Arizona, United States

Category Company
Founded 1923
Sector Technology Hardware
Employees3,600
Revenue 1.0B USD (2024)
DESCRIPTION

VIAVI specializes in the design and manufacture of products for optical communications networks, communications test and measurement equipment, lasers, and optical solutions. Viavi was founded in 1923 and is based in Chandler, Arizona.


DEAL STATS #
Overall 36 of 36
Sector (Communications) 3 of 3
Type (Divestiture) 8 of 8
Country (United Kingdom) 4 of 4
Year (2025) 1 of 1
Size (of disclosed) 6 of 19
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2024-12-13 Inertial Labs

Paeonian Springs, Virginia, United States

Inertial Labs is a developer and supplier of orientation, inertial navigation, and optically enhanced sensor modules. Inertial Labs was founded in 2001 and is based in Paeonian Springs, Virginia.

Buy $150M

Seller(S) 1

SELLER

Spirent Communications

Crawley, United Kingdom

Category Company
Founded 1936
Sector Communications
Revenue 608M GBP (2022)
DESCRIPTION

Spirent Communications operates as a communications test and measurement company in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. Spirent Communications was founded in 1936 and is based in Crawley, the United Kingdom.


DEAL STATS #
Overall 9 of 9
Sector (Communications) 1 of 1
Type (Divestiture) 9 of 9
Country (United Kingdom) 3 of 3
Year (2025) 1 of 1
Size (of disclosed) 1 of 3
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2018-04-05 Mobilethink A/S

Aarhus, Denmark

Mobilethink is a provider of mobile device management, device analytics and intelligence software solutions for mobile operators. Mobilethink is based in Aarhus, Denmark.

Sell -