- Revenue
- $300M
- Customers
- 8K
- Year founded
- 2018
- Funding
- $503M
- Team size
- 1K
- Growth
- -
Top 125 Network Security Software SaaS Companies in July 2026
As of July 2026, there are 125 SaaS companies in Network Security Software. They have combined revenues of $2.2B and employ 12.3K people. They have raised $892.7M and serve 325.6K customers combined.
Network security software is designed to protect computer networks from cyber threats, ensuring the confidentiality, integrity, and availability of data. These solutions are critical for organizations of all sizes as they defend against unauthorized access, data breaches, and various forms of cyber attacks such as malware and ransomware. Typical features include firewalls, intrusion detection systems, virtual private networks (VPNs), and secure access controls, which work together to monitor and shield networks from potential vulnerabilities. The primary use cases for network security software include safeguarding sensitive data, ensuring regulatory compliance, and maintaining operational continuity. Different buyer personas such as IT managers, cybersecurity professionals, and compliance officers usually seek these solutions to mitigate risks and manage network security incidents. Furthermore, effective network security software helps organizations align their security strategies with broader business objectives, ensuring a proactive stance against evolving security threats.
Filters
Sorting: Highest -> Lowest
Top Network Security Software Companies
Showing 10 of 125 companies ranked by annual revenue.

New York, New York, United States
Global technology service provider offering unified communications, data networking, cloud and physical security to enterprise and midsize companies
- Revenue
- $263.3M
- Customers
- -
- Year founded
- 2013
- Funding
- -
- Team size
- 1.8K
- Growth
- -

Herndon, Virginia, United States
Tyto Athene delivers secure, mission-critical solutions that empower agencies to modernize networks, enhance cybersecurity, and achieve information dominance.
- Revenue
- $189M
- Customers
- -
- Year founded
- 2018
- Funding
- -
- Team size
- 905
- Growth
- -

Boston, Massachusetts, United States
Tufin Software Technologies Ltd provides policy-centric approach to security and IT operations. It transform enterprises' security operations by helping them visualize, define and enforce a unified security policy. The solutions offered by the company include Private and Public cloud security, Cyber Security, Next Generation Firewalls, Internet of Things and Software defined networks and SDDC.
- Revenue
- $152.4M
- Customers
- 800
- Year founded
- 2004
- Funding
- $21.3M
- Team size
- 460
- Growth
- -
- Revenue
- $125M
- Customers
- -
- Year founded
- 2015
- Funding
- $8.5M
- Team size
- 205
- Growth
- -

Portsmouth, New Hampshire, United States
Blue Mantis is a security-first, IT solutions and services provider with a 30+ year history of successfully helping clients achieve business modernization through digital technology services and strategic guidance. The company provides systems integration, cloud management, cybersecurity, and networking services.
- Revenue
- $92.3M
- Customers
- -
- Year founded
- -
- Funding
- -
- Team size
- 508
- Growth
- -

Saint Louis, Missouri, United States
Netelligent provides companies with the technologies they need to run their business (security, phone system, servers/virtualization)
- Revenue
- $88.9M
- Customers
- -
- Year founded
- 2003
- Funding
- $25M
- Team size
- 23
- Growth
- -

Toronto, Ontario, Canada
BlueCat provides core services and solutions that help our customers and their teams deliver change-ready networks. With BlueCat, organizations can build reliable, secure, and agile mission-critical networks that can support transformation initiatives such as cloud adoption and automation. BlueCat’s growing portfolio includes services and solutions for automated and unified DDI management, network security, multicloud management, and network observability and health. BlueCat’s DDI management platform was recognized as a market leader and outperformer in GigaOm’s 2022 and 2023 Radar reports. The company is headquartered in Toronto and New York and has additional offices in Germany, Iceland, Japan, Singapore, Serbia, and the United Kingdom.
- Revenue
- $64.7M
- Customers
- -
- Year founded
- 2001
- Funding
- -
- Team size
- 588
- Growth
- -

Lüneburg, NI, Germany
SaaS, Unified Security, UTM, Mobile Security, Network Security, Cyber Security, Antivirus, Archiving, Mobile app
- Revenue
- $63.7M
- Customers
- 80K
- Year founded
- 1997
- Funding
- -
- Team size
- 116
- Growth
- -

San Francisco, California, United States
Nozomi Networks is the leader in OT & IoT security for critical infrastructure. Their platform uniquely combines network and endpoint visibility.
- Revenue
- $63.5M
- Customers
- -
- Year founded
- 2013
- Funding
- -
- Team size
- 369
- Growth
- -
Inclusion Criteria
- Must provide comprehensive protection against various types of cyber threats. - Should include capabilities for real-time monitoring and alerting of suspicious activities. - Must offer features for data encryption and secure access. - Should facilitate compliance with industry regulations and standards. - Not just limited to firewalls; must also include complementary features such as intrusion detection and prevention. - Must support integration with existing IT infrastructure and other security tools.

