M&A Deal Summary

Proofpoint Acquires Hornetsecurity

On May 15, 2025, Proofpoint acquired internet software and services company Hornetsecurity from PSG, Verdane and TA Associates

Acquisition Highlights
  • This is Proofpoint’s 8th transaction in the Internet Software and Services sector.
  • This is Proofpoint’s 1st transaction in Germany.

M&A Deal Summary

Date 2025-05-15
Target Hornetsecurity
Sector Internet Software and Services
Buyer(s) Proofpoint
Sellers(s) PSG
Verdane
TA Associates
Deal Type Add-on Acquisition

Target

Hornetsecurity

Hannover, Germany
Hornetsecurity is a cloud security provider and secures the IT infrastructure, digital communications, and data of companies and organizations of all sizes. Hornetsecurity was founded in 2007 and is based in Hannover, Germany.

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Buyer(S) 1

Buyer

Proofpoint

Sunnyvale, California, United States

Category Company
Founded 2002
Sector Internet Software and Services
Employees3,658
Revenue 1.1B USD (2020)
DESCRIPTION

Proofpoint is a security-as-a-service provider that focuses on cloud-based solutions for threat protection, compliance, archiving & governance, and secure communications. Proofpoint was founded in 2002 and is based in Sunnyvale, California.


DEAL STATS #
Overall 24 of 25
Sector: Internet Software and Services M&A 8 of 8
Type: Add-on Acquisition M&A Deals 23 of 24
Country: Germany M&A 1 of 1
Year: 2025 M&A 1 of 2
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2024-10-29 Normalyze

Los Altos, California, United States

Normalyze is a provider of Data Security Posture Management (DSPM). The Company fills the security gaps created by complex data landscapes, data lakes, shadow data and Generative AI by accurately and quickly discovering, classifying and visualizing the total data attack surface. With Normalyze, data and security teams can quantify risks and prioritize remediation plans to prevent data breaches, enforce least privilege access to sensitive data, optimize data storage and leverage AI for business. Normalyze was founded in 2021 and is based in Los Altos, California.

Buy -
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2025-05-21 Nuclei

Holmdel, New Jersey, United States

Nuclei is a technology company specializing in compliance archiving and AI-driven data enrichment for modern workplace communications. Nuclei was formed in 2019 and is headquartered in Holmdel, New Jersey.

Buy -

Seller(S) 3

SELLER

PSG

Investor Investor Investor Investor Investor


Category Growth Capital Firm
Founded 2014
PE ASSETS 14.0B USD
Size Mega
Type Sector Focused
DESCRIPTION

PSG is a growth equity investment firm focused on the software sector. The Firm looks to partner with software and technology-enabled service companies to capitalize on opportunities and accelerate growth. PSG looks to leverage its network and best practice knowledge developed from its history of investing, to implement and execute strategies on guiding companies to the next level. PSG was established in 2014 and is based in Boston, Massachusetts.


DEAL STATS #
Overall 14 of 15
Sector: Internet Software and Services M&A 6 of 6
Type: Add-on Acquisition M&A Deals 8 of 9
Country: Germany M&A 1 of 1
Year: 2025 M&A 4 of 5
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-05-06 SevenRooms

New York, New York, United States

SevenRooms is a fully-integrated, data-driven guest experience platform that helps hospitality operators unlock the full revenue potential of their data. SevenRooms was founded in 2011 and is based in New York, New York.

Sell $1.2B
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2025-06-13 Tentacle

Plano, Texas, United States

Tentacle is an information security platform. The company has developed a configurable data management tool that helps organizations to improve their information security programs and overall security posture. Tentacle was founded in 2020 and is based in Plano, Texas.

Sell -
SELLER

Verdane

Oslo, Norway

Investor Investor Investor Investor Investor


Category Growth Capital Firm
Founded 1985
PE ASSETS 1.2B EUR
Size Large
Type Sector Agnostic
DESCRIPTION

Verdane is a Norwegian private investment focused on acquiring portfolios of investments. In addition to secondary investing, Verdane also invests in co-investment pools as well as makes direct investments in individual growth companies. Sectors of interest include consumer products/services, software, energy, technology, and communications. Verdane provides support to portfolio owners to reduce exposure to private equity risk, achieve liquidity and free owners from the burden of managing direct investments. The majority of Verdane's investments are growth stage, however, the Firm can invest at any stage of development. Verdane was formerly known as Four Seasons Venture AS and was established in 1985. Verdane is based in Oslo, with additional offices in Helsinki and Stockholm.


DEAL STATS #
Overall 48 of 48
Sector: Internet Software and Services M&A 4 of 4
Type: Add-on Acquisition M&A Deals 34 of 34
Country: Germany M&A 3 of 3
Year: 2025 M&A 2 of 2
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-05-05 Danelec

Farum, Denmark

Danelec provides maritime hardware and software for data collection and safety. Danelec’s products enable meaningful operational efficiency improvements to large seafaring vessels, contributing to global resource efficiency and sustainability targets in the maritime sector. Danelec was founded in 1981 and is based in Farum, Denmark.

Sell -
SELLER

TA Associates

Boston, Massachusetts, United States

Investor Investor Investor Investor Investor


Category Private Equity Firm
Founded 1968
PE ASSETS 65.0B USD
Size Mega
Type Sector Agnostic
DESCRIPTION

TA Associates is a private equity firm that targets investments in middle-market and large companies around the world. TA will consider control or minority investments in profitable companies and looks to commit between $70 and $500 million per transaction. TA proactively reaches out to companies directly in sourcing potential investment opportunities. Prospective businesses are generally valued between $100 million and $3 billion. Areas of interest include technology, software, communications, financial services, healthcare, business services, semiconductors/electronics, and consumer products/services. In addition to investing equity capital, TA also makes subordinated debt investments. TA's geographic preference is North America, Asia/Pacific, and Europe. TA Associates was formed in 1968 and is based in Boston, Massachusetts.


DEAL STATS #
Overall 259 of 259
Sector: Internet Software and Services M&A 15 of 15
Type: Add-on Acquisition M&A Deals 132 of 132
Country: Germany M&A 6 of 6
Year: 2025 M&A 3 of 3
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-05-07 Solabia Group

Paris, France

Solabia Group is a manufacturer of natural active ingredients for the cosmetic, pharmaceutical, nutraceutical and microbiology industries. Solabia also produces culture media, supplements, detection kits and peptones for the food testing and pharmaceutical industries. Solabia Group was founded in 1972 and is based in Paris, France.

Sell -