Saisei
Saisei is a Sunnyvale-based private company that develops network performance enforcement solutions using deep packet inspection and policy-based traffic shaping for ISPs, telecommunications carriers, and large enterprises worldwide.
- Company typePrivate
- Founded2013
- HeadquartersSunnyvale, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What Saisei does
Saisei is a private, US-based company founded in 2013 and headquartered in Sunnyvale, California, that develops network performance enforcement solutions for large enterprises and service providers worldwide. The company operates with a small team of 11-50 employees and focuses on enabling network-wide visibility, application-level control, and traffic enforcement for ISPs, telecommunications carriers, and enterprise networks. Its positioning centers on deep packet inspection-driven visibility and policy-based traffic shaping to optimize application quality of experience and reduce transit costs for operators of large-scale networks.
Saisei's commercial history includes the December 2011 acquisition of Anagran, which predates the company's formal incorporation and is consistent with Anagran's technology forming the technical foundation of Saisei's enforcement platform. The company subsequently raised approximately $14.25 million across four funding rounds between October 2013 and October 2015, with Oxygen Ventures identified as the lead investor in the February 2014 Series 2 round ($5.6M). The leadership team comprises co-founder and CTO John Harper, VP of Sales Yossi Kahlon, and CEOs Boris Rozenvasser and Julia van Heerden.
Publicly disclosed information on pricing, customer logos, contract structure, distribution channels, partnerships, and revenue is limited or absent. Pricing is not disclosed, no marketing or distribution channels are documented, and no certifications, awards, patents, or named customers appear in the available sources. Consequently, deeper commercial analysis — including revenue model mechanics, segment mix, and churn exposure — is constrained by these data gaps, and the company appears to operate a direct enterprise sales motion targeting a small number of high-ACV service-provider and large-enterprise accounts.
Saisei firmographics
Firmographics- Name
- Saisei
- Legal name
- Saisei
- Website
- https://saisei.com
- Company type
- Private
- Founded year
- 2013
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Saisei is a Sunnyvale-based private company that develops network performance enforcement solutions using deep packet inspection and policy-based traffic shaping for ISPs, telecommunications carriers, and large enterprises worldwide.
- Ownership category
- akta.pro rank
Saisei industry classification
Industry- Product category
- Network Management Software
- NAICS
- Computer Systems Design and Related Services (5415), Computer Systems Design and Related Services (54151)
- SIC
- Services-Computer Integrated Systems Design (7373)
- akta.pro primary industry
- Service Assurance & SLA/QoS Management (HDAFAMAL)
Keywords
Where Saisei is headquartered
LocationHeadquarters
- HQ city
- Sunnyvale
- HQ country
- United States
- HQ region
- North America
Markets served
Saisei business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Operations
Saisei product offering
Product offeringCore offering
Saisei develops network performance enforcement solutions for ISPs, telecommunications carriers, and enterprises. Its flagship Secure Traffic Manager (STM) provides real-time traffic visibility through deep packet inspection, enabling traffic shaping, policy enforcement, and application quality of experience (QoE) control. The platform is complemented by network management and monitoring tools (NMIS 9, Open-AudIT, opEvents, opConfig) and add-on modules for reporting, visualization, IP address management, and high availability.
Product overview
FirstWave offers a comprehensive network management platform architecture comprising the core Secure Traffic Manager (STM) for real-time traffic visibility and application QoE, complemented by a suite of network operations tools including NMIS 9 for network management, Open-AudIT for network auditing, opEvents for event management, and opConfig for configuration management. The platform also includes visualization and reporting modules (opCharts, opReports), IP address management (opAddress), high availability solutions (opHA, opHA Message Bus), and the CyberCision cybersecurity platform. The products work together to provide end-to-end network visibility, monitoring, and management capabilities for ISPs, telecommunications carriers, and enterprise networks.
Differentiator
Problem solved
Functional benefit
Products and services
- Secure Traffic Manager (STM)
Companies that use Saisei
Customer profileIdeal customer profiles3 records
Saisei technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Saisei partnerships and signals
Strategic signalRecent moves5 records
Expansion highlights4 records
Saisei competitors and assessment
Company assessmentDirect peers
- Allot Communications: Allot sells DPI-driven traffic shaping, application control, and QoE/QoS management for fixed and mobile service providers, directly comparable to STM's application-level visibility, traffic shaping, and subscriber analytics positioning.
- NetScout Systems: NetScout (including the acquired Tektronix Communications and Fluke Networks) provides DPI-based service assurance and network performance management for carriers and large enterprises — overlapping with STM and NMIS in traffic visibility and SLA management.
- Enea (Openwave): Enea (which acquired Openwave Mobility) provides DPI-based traffic intelligence and policy management for mobile operators, directly comparable to STM in mobile network QoE optimization and subscriber analytics.
- Sandvine: Sandvine is the closest direct competitor: a pure-play vendor of DPI-based network intelligence, traffic management, and policy enforcement solutions sold to ISPs, telcos, and mobile operators — directly overlapping with STM's use cases in subscriber management, fair-use, and tiered services.
- Openet: Openet provides real-time BSS, policy and charging solutions for telecom operators, with DPI-based traffic analytics that intersect STM's subscriber traffic management and policy enforcement use cases.
Broad incumbents
- Huawei (SmartCare): Huawei's SmartCare service assurance suite provides DPI-based traffic analysis, QoE monitoring, and customer experience management for telecom carriers, directly overlapping STM in service provider deployments across Asia, Africa, and Latin America.
- Juniper Networks (Paragon Insights): Juniper's Paragon portfolio includes network analytics, SLA management, and service assurance functions overlapping with STM and NMIS, sold to carriers and enterprises as part of Juniper's broader routing and networking stack.
- Cisco (AppDynamics / Cisco Prime): Cisco offers network management, application performance monitoring (AppDynamics), and traffic analytics as part of a broad enterprise networking portfolio — competing with STM and NMIS in enterprise and service provider deployments but with much wider scope and installed base.
Emerging players
- Versa Networks: Versa Networks provides SD-WAN and secure access service edge (SASE) with embedded traffic analytics and application visibility, partially overlapping STM's enterprise network use cases around application prioritization and WAN optimization.
- ManageEngine (Zoho): ManageEngine provides network configuration management, IP address management, and event/log monitoring tools that overlap with Saisei's opConfig, opAddress, and opEvents modules in enterprise IT network operations.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat3 records
Key risks5 records
Key highlights5 records
Customer concentration
Saisei social profiles
Digital presenceSaisei compliance and trust
Trust signalCompliance2 records
Saisei financial estimates
Financial estimateRevenue estimate
Valuation estimate
Saisei leadership team
Management profileNumber of profiles
Profiles4 records
Saisei funding detail
Funding detailFunding overview
Funding rounds4 records
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Saisei M&A and investment
M&A and investmentM&A1 record
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Saisei
What does Saisei do?
Saisei develops network performance enforcement solutions for ISPs, telecommunications carriers, and enterprises. Its flagship Secure Traffic Manager (STM) provides real-time traffic visibility through deep packet inspection, enabling traffic shaping, policy enforcement, and application quality of experience (QoE) control. The platform is complemented by network management and monitoring tools (NMIS 9, Open-AudIT, opEvents, opConfig) and add-on modules for reporting, visualization, IP address management, and high availability.
Is Saisei a public or private company?
Saisei is a private company. It is classified as venture growth investor backed and is currently operating.
When was Saisei founded?
Saisei was founded in 2013. It employs 11 to 50 people.
Where is Saisei based?
Saisei is headquartered in Sunnyvale, United States, in the North America region.
Who are Saisei's main competitors?
Direct peers on record are Allot Communications, NetScout Systems, Enea (Openwave), Sandvine and Openet. Broad incumbents are Huawei (SmartCare), Juniper Networks (Paragon Insights) and Cisco (AppDynamics / Cisco Prime). Emerging players are Versa Networks and ManageEngine (Zoho).
Does Saisei have an API?
No public API is recorded for Saisei.
What industry is Saisei in?
Saisei's product category is Network Management Software. Its primary akta.pro industry code is HDAFAMAL, Service Assurance & SLA/QoS Management. Its NAICS code is 5415 and its SIC code is 7373.