Best Enterprise Networking Companies in San Francisco, United States
The 49 best Enterprise Networking companies in San Francisco, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: CloudFlare.
Ranked: Best Enterprise Networking companies in San Francisco
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | CloudFlare Provider of cloud services for security, performance, and application development | $332M | 59 mo ago | 3,682 3,682 → 8,066 (+119%) | 2009 | Michelle Zatlyn Co-Founder | 602 patents Edge network security, traffic optimization, and distributed identity/authentication services | 1 internship · 1 launch |
| 2 | Fastly Provider of edge cloud platform services for building and delivering applications | $224M | 65 mo ago | 779 779 → 1,415 (+82%) | 2011 | — | 336 patents Edge network security, traffic optimization, bot detection, and chaos testing for CDN services. | 1 launch |
| 3 | Kentik Platform offering network observability solutions | $118M | 58 mo ago | 109 109 → 263 (+141%) | 2014 | Justin Biegel Co-Founder & COO | — | — |
| 4 | Thousand Eyes Cloud monitoring and troubleshooting solution | $111M | 89 mo ago | 231 | 2010 | — | — | — |
| 5 | Airwave Wireless WLAN management provider | $86M | 67 mo ago | 750 | 2000 | Leon Gerard Vandenberg Co-Founder & CTO | — | — |
| 6 | Topspin Communications Server fabric switches for data centers | $67M | 273 mo ago | — | 2000 | — | — | — |
| 7 | Riverbed Provider of a platform for enterprise WAN optimization and application performance monitoring | $57M | 245 mo ago | 833 833 → 1,588 (+91%) | 2002 | David Donatelli CEO | 227 patents Optimizing WAN traffic via application acceleration, deduplication, and dynamic bandwidth management. | 1 launch · 2 awards |
| 8 | Ditto Distributed database platform | $54M | 39 mo ago | 98 | 2018 | Adam Fish Co-Founder | 34 patents Patents concentrated in computing, sensing & instrumentation | 1 launch |
| 9 | OpenDNS Cloud-based web filtering and DNS solutions provider | $51M | 146 mo ago | 236 | 2006 | — | 29 patents Intelligent DNS security and traffic routing using behavior‑based domain classification. | — |
| 10 | Bang Networks Overlay network framework with object oriented routing | $32M | 297 mo ago | — | 1999 | Bob Rosin Founder & President | — | — |
| 11 | Mode SD-WAN, UC and Ultra Low Latency optimizing solution | $31M | 94 mo ago | 13 | 2013 | Paul Dawes CEO | 14 patents Software-defined high‑performance telecom core networking infrastructure | — |
| 12 | Expeto Cloud based platform offering NFV enabled EPC network | $26M | 44 mo ago | 38 | 2015 | Ryley MacKenzie Co-Founder & CEO | — | — |
| 13 | Volta Networks Provider of SDN based network management solutions provider | $22M | 75 mo ago | 57 | 2015 | — | — | — |
| 14 | Cisco Meraki Cloud-managed IT solutions for exceptional experiences through networking and security | $15M | 186 mo ago | 39,213 | 2006 | Mark Harmon CEO | — | — |
| 15 | NKN Decentralized internet infrastructure provider, empowering secure and private network connectivity | $13M | 99 mo ago | 17 | 2017 | Yilun Zhang Co-Founder | — | — |
| 16 | CITTIO Network discovery & management software | $12M | 244 mo ago | — | 2001 | Jamie Lerner ex-CEO & President | — | — |
| 17 | Ditto Provider of a resilient edge device connectivity platform | $9M | 17 mo ago | 43 | 2011 | Adam Fish Co-Founder & CEO | 34 patents Computer vision-based virtual try‑on and image recognition; financial portfolio synchronization and trade automation. | — |
| 18 | Micromuse Free online animation maker for content creators, no design skills needed | $8M | 351 mo ago | 656 | 1989 | — | 7 patents Network fault management with false alarm suppression and paging notifications | — |
| 19 | packetTrap AI-powered data, cybersecurity, and platform modernization solutions provider | $6M | 228 mo ago | — | 2006 | Steve Goodman Co-Founder & CEO | — | — |
| 20 | Backplane Manage services, applications, routing infrastructure and end users at one place | $5M | 105 mo ago | 9 | 2015 | — | — | — |
| 21 | Frequencz Enterprise VPN networking management software provider | $4M | 63 mo ago | 11 | 2019 | — | — | — |
| 22 | Hype Labs Operator of decentralized wireless network providing internet connectivity and access | $3M | 80 mo ago | 39 | 2015 | Andre Francisco Co-Founder & CTO | 8 patents Mixed-reality advertising: contextual ad generation and user interaction analytics | — |
| 23 | 6connect Cloud controlled IPv4 and IPv6 network automation | $3M | 120 mo ago | 9 | 2009 | Aaron Hughes CEO | 4 patents Automated IP address allocation templating and reverse API endpoint generation for network management. | — |
| 24 | Akanda Open source network virtualization platform for cloud services providers | $2M | 129 mo ago | 11 | 2014 | Henrik Rosendahl CEO & Co-Founder | — | — |
| 25 | Shimon Systems Provider of IAM and fingerprint-based authentication solution for wireless access points | $1M | 234 mo ago | 7 | 2003 | Baldev Krishan Co-Founder | — | — |
| 26 | CipherGraph Networks Secure Cloud VPN | $340K | 163 mo ago | 3 | 2011 | Jitender Sharan Founder & CEO | — | — |
| 27 | Netsil Microservices analytics solutions | $180K | 127 mo ago | 11 | 2016 | — | — | — |
| 28 | Piio Provides content delivery intelligence helping websites run faster | $120K | 88 mo ago | 2 | 2017 | Nico Bistolfi Founder & CEO | — | — |
Top 12 Enterprise Networking companies in San Francisco
#1
Acquired · San Francisco, California · founded 2011 · 43 employees$9Mraised▾
Provider of a resilient edge device connectivity platform. This platform offers a real-time mobile database with built-in peer-to-peer and mesh networking capabilities. It enables consistent data synchronization in different network conditions and managing operational bottlenecks. The platform supports various applications, including point-of-sale systems, aviation operations, industrial settings, and restaurants. It facilitates decentralized data management utilizing conflict-free replicated data types for conflict resolution in decentralized environments. It offers cross-platform support and integrates with existing cloud systems for opportunistic synchronization.
- Mar 2025Series B$82M
- Apr 2023Series A$45M
- Nov 2021Seed$9M
- Sep 2020Seed—
#2
Public · San Francisco, California · founded 2009 · 3682 employees$332.1Mraised▾
Provider of cloud services for security, performance, and application development. The company delivers networking, security, and performance services through its connectivity cloud platform. It offers solutions for application security, application performance, and network services. The company's platform supports businesses in modernizing networks, securing workspaces, and optimizing web experiences.
- Aug 2021Post IPO$1.3B
- May 2020Post IPO$575M
- Mar 2019Series E$150M
- Dec 2014Series D$110M
#3
Public · San Francisco, California · founded 2011 · 779 employees$224.1Mraised▾
Provider of edge cloud platform services for building and delivering applications. The platform enables creation of fast, secure, and scalable sites. It offers network services for secure networks with predictable pricing. The platform provides solutions for ecommerce, streaming media, travel, hospitality, and financial services.
- Mar 2021Post IPO$825M
- Jul 2018Series F$40M
- May 2017Series E$50M
- Aug 2015Series D$75M
#4
Series A · San Francisco, California · founded 2018 · 98 employees$54Mraised▾
Developer of a software development kit and application designed to help apps sync with or without connectivity. The company's software development kit directly communicates with other devices, without the need for a server and automatically manages the complexity of using multiple network means of transport, like Bluetooth and wifi, to find and connect to other devices and then synchronize any changes, enabling developers to build applications that sync with each other with and even without internet connectivity.
#5
Series C · San Francisco, California · founded 2014 · 109 employees$118Mraised▾
Platform offering network observability solutions. It provides cloud based multitenant solution for network monitoring. Its focus on observability, real time analytics, and data integration positions it as a vital tool for organizations navigating the complexities of network environments. The unbounded ad hoc analytics and anomaly detection helps to enhance operations, optimize capacity, resolve anomalies, automate DDoS defense, and protect applications and service performance.
- Oct 2021Series C$56.3M
- May 2020Series C$23.5M
- Aug 2016Series B$23M
- Jun 2015Series A$12.1M
#6
Series B · San Francisco, California · founded 2015 · 38 employees$25.9Mraised▾
Cloud based platform offering NFV enabled EPC network. The platform provides an NFV enabled EPC network to wireless operators, MVNOs, IoT operators, and enterprise customers. Its flagship product is a PaaS platform based on NFV or SDN which enables customers to deploy new, revenue generating services in a cost effective and time saving manner. Its solution consists of traditional evolved packet core services, additional NFV functions, and an automation and orchestration engine for control and configuration.
- Dec 2022Conventional Debt$5M
- Dec 2022Series B$12M
- Apr 2021Series A$10M
- Sep 2018Series A$3.9M
#7
Acquired · San Francisco, California · founded 2010 · 231 employees$110.7Mraised▾
ThousandEyes provides IT performance management for the cloud era. Identifies the root cause of performance problems with cloud applications, providing detailed visibility beyond the corporate network perimeter. Enables SaaS providers and enterprise IT Operation teams to collaborate and resove performance issues. Pricing: $99/agent per month. Pricing based on frequency of testing for public clouds. Customers include Equinox, Zynga, Zendesk, Dropbox, Evernote, Okta, Jive Software.
- Feb 2019Series D$50M
- Feb 2016Series C$35M
- May 2014Series B$20M
- Jun 2013Series A$5.5M
#8
Acquired · San Francisco, California · founded 2000 · 750 employees$86.5Mraised▾
Provider of network access services designed to redefine the intelligent edge with mobility and IoT systems for organizations. The company's network access services include access management, network infrastructure and mobility application services, enabling organizations to serve their users who rely on cloud-based business applications for every aspect of their work and personal lives and to harness the power of insights to transform business processes.
#9
Acqui-Hired · San Francisco, California · founded 2013 · 13 employees$31.1Mraised▾
Mode provides a solution to power an SD-WAN, Cloud access, Unified Communications (UC), and Ultra-Low Latency applications. Provides a software-defined core network (SD-CORE) built around real-time network control. It enhances an enterprise WAN by providing reliable QoS connectivity along with cloud elasticity and business-internet pricing. Also offers a carrier-grade cloud private network as a service.
- Oct 2018Series B—
- Jun 2018Grant (prize money)—
- Jun 2018Series B$16M
- 2017Series A$8.3M
#10
Acquired · San Francisco, California · founded 2002 · 833 employees$56.6Mraised▾
Provider of a platform for enterprise WAN optimization and application performance monitoring. The product suite comprises steel central for APM steel fusion for remote and branch office management steelhead for WAN optimization solutions steel script for automated application performance infrastructure solutions through APIs and developer tools.
- Mar 2006Series D$20M
- Jan 2005Series C$20M
- Jan 2004Series B$10M
- Jan 2003Series A$6.6M
#11
Acquired · San Francisco, California · founded 2006 · 236 employees$51.3Mraised▾
OpenDNS is a cloud-based web filtering and DNS solutions provider. The company provides free parental controls (porn filtering), phishing protection, and other advanced services for consumers and network administrators. In 2009, OpenDNS began offering an Enterprise service, which included malware protection, delegated administration, and block page bypass, in addition to reliable DNS and Web content filtering. Cisco acquired OpenDNS in Aug 2015 to complement and Cisco's cloud security.
- May 2014Series C$35M
- Jul 2013Series B$9.3M
- Sep 2010Series A$4.5M
- Jul 2009Series A—
#12
Acquired · San Francisco, California · founded 2015 · 57 employees$22.4Mraised▾
Volta Networks provides SDN based network management solutions to business customers that aim to reduce network control and management complexities. Its SDN and NFV based solution enables cloud architectures by delivering automated, on demand IT application delivery resulting in reducing infrastructure costs and overhead.
- Apr 2020Series B$11M
- Aug 2019Series A$5M
- Dec 2018Series A$5.6M
- Dec 2017Seed$775K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Enterprise Networking coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
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