Network Critical
Network Critical is a UK-based network visibility infrastructure provider founded in 1997, selling hardware TAPs and packet brokers (1G to 400G) to enterprises and governments in financial services, telecom, aerospace, healthcare, and energy, distributed through direct sales and channel partners.
- Company typePrivate
- Founded1997
- HeadquartersReading, United Kingdom
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What Network Critical does
Network Critical is a privately-held UK-based network visibility infrastructure provider founded in 1997, headquartered in Reading with an Americas regional headquarters in Alpharetta, Georgia. The company designs and sells hardware Test Access Points (TAPs) and intelligent packet brokers that capture, filter, aggregate, and distribute network traffic to downstream monitoring, security, and analytics tools. Its product portfolio spans Passive Fiber TAPs, Ethernet TAPs, Bypass TAPs, and the SmartNA family of hybrid TAP/packet broker appliances ranging from 1Gbps to 400Gbps, complemented by the Drag-n-Vu graphical management interface, PacketPro packet processing module, Inviktus zero-trust security, and Data Diodes. Network Critical sells primarily to large enterprises and government organizations in financial services, telecommunications, aerospace and defense, government, healthcare, energy, and entertainment, with named customers including HSBC, Vodafone, BP, Airbus, Verizon, and US Cellular.
The company operates a perpetual hardware licensing model with no per-port fees, positioning itself as offering 40-60% lower 3-year TCO than subscription-based competitors. Go-to-market is a hybrid of direct enterprise field sales with consultative quote-based pricing and a formal Channel Partner program for indirect distribution. The company maintains technology integration partnerships with 19+ major vendors including Cisco, Palo Alto Networks, DarkTrace, Fortinet, IBM, McAfee, and Arista, embedding its products as the visibility layer beneath incumbent security and monitoring stacks. With 51-100 employees, no disclosed funding rounds, and 27 years of continuous operation, Network Critical presents as a stable, profitable, founder-controlled mid-market enterprise infrastructure vendor.
Network Critical firmographics
Firmographics- Name
- Network Critical
- Legal name
- Network Critical Solutions Ltd
- Website
- https://networkcritical.com
- Company type
- Private
- Founded year
- 1997
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Network Critical is a UK-based network visibility infrastructure provider founded in 1997, selling hardware TAPs and packet brokers (1G to 400G) to enterprises and governments in financial services, telecom, aerospace, healthcare, and energy, distributed through direct sales and channel partners.
- Ownership category
- akta.pro rank
Network Critical industry classification
Industry- Product category
- Network Monitoring Infrastructure
- NAICS
- Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182)
- SIC
- Computer Communications Equipment (3576)
- akta.pro primary industry
- Packet Brokers & Network Traffic Visibility (TAPs, NPBs) (HDADABAM)
- akta.pro secondary industry
- Industrial Network Redundancy & Time-Sensitive Networking (TSN/PRP/HSR/ERPS) (HDAFAJAH)
Keywords
Where Network Critical is headquartered
LocationHeadquarters
- HQ city
- Reading
- HQ country
- United Kingdom
- HQ region
- Europe
Offices2 records
Markets served
Network Critical business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Operations, Technology or R&D, Personnel, Marketing or Sales, Infrastructure
Revenue model
- Hardware Sales (Network TAPs and Packet Brokers): Sale of purpose-built hardware appliances including passive fiber TAPs, Ethernet TAPs, bypass TAPs, and network packet brokers. Products are sold as perpetual hardware with no ongoing subscription requirements per the company positioning.
- Software Licensing (Drag-n-Vu Management Interface): Proprietary management software sold alongside hardware platforms. Perpetual licensing model with no per-port fees mentioned as a differentiator versus competitors.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Multi-year contract | Enterprise hardware solutions with quote-based pricing |
Go-to-market motion2 records
Distribution channels2 records
Marketing channels5 records
Network Critical product offering
Product offeringCore offering
Network Critical designs, manufactures, and sells hardware network TAPs (Test Access Points) and packet brokers that provide 100% traffic visibility for enterprise networks. Its portfolio spans passive fiber TAPs, Ethernet copper TAPs, bypass TAPs, and the SmartNA family of hybrid TAP/packet brokers supporting speeds from 1Gbps to 400Gbps, complemented by the Drag-n-Vu management software, PacketPro processing module, Inviktus zero-trust solution, and Data Diodes.
Product overview
Network Critical provides a comprehensive network visibility portfolio centered on hardware TAPs (Test Access Points) and packet brokers. The product line includes Passive Fiber TAPs and Ethernet TAPs for traffic access, ByPass TAPs for inline security tool protection, and the SmartNA hybrid TAP/packet broker family (SmartNA™, SmartNA-XL™, SmartNA-PortPlus™, SmartNA-PortPlus HyperCore™) which combines TAP access with intelligent aggregation, filtering, load balancing, and deduplication. Supporting speeds from 1Gbps to 400Gbps, these products work alongside Drag-n-Vu™ graphical management software, the PacketPro™ packet processing module, and Inviktus zero trust security. Data Diodes complete the security-focused offerings for unidirectional data transfer.
Differentiator
Problem solved
Functional benefit
Brands
- SmartNA: Hybrid TAP and packet broker product line offering network visibility solutions
- SmartNA-XL
- SmartNA-PortPlus
- SmartNA-PortPlus HyperCore
- SmartNA-PortPlus-TA
- Drag-n-Vu
- Inviktus
- PacketPro
Products and services
- SmartNA-PortPlus-TA Purpose-built traffic aggregation packet broker supporting 1G to 100G with zero packet loss for enterprise-scale deployments.
- SmartNA-PortPlus HyperCore High-capacity packet broker delivering visibility at speeds up to 400Gbps with 25.6 Tbps system throughput in a 1RU chassis for hyperscale data centers and telecom environments.
- SmartNA-PortPlus Full-featured packet broker supporting 1G to 100G with 48 to 194 ports and 1.8 Tbps system throughput, featuring filtering, load balancing, and deduplication.
- SmartNA Hybrid TAP and packet broker combining traffic access with aggregation capabilities, supporting up to 1,700Mbps throughput in a 1-2RU chassis with hot-swappable TAP modules.
- SmartNA-XL High-performance hybrid TAP and packet broker supporting network speeds up to 40Gbps with 480Gbps bi-directional visibility, advanced packet manipulation via PacketPro, and zero latency operation.
- Passive Fiber TAPs Passive optical TAPs using light signal splitting to create zero-latency traffic copies without power requirements, available in single-mode and multi-mode variants from 1G to 100G with up to 16 TAPs per 1RU chassis.
- ByPass TAPs Inline bypass TAPs with heartbeat monitoring that automatically reroute traffic around failed security appliances to maintain network continuity, supporting 1G, 10G, 40G, and 100G speeds.
- Ethernet TAPs Copper network TAPs with heartbeat technology and automatic bypass protection for real-time monitoring without risk of downtime on copper connections.
- Drag-n-Vu Drag-and-drop graphical management interface for configuring filters, port mappings, and aggregation pools across SmartNA devices without specialist engineering skills.
- Inviktus Zero trust security solution with no IP or MAC address, making the visibility infrastructure completely invisible and undetectable to the network and attackers.
- Data Diodes Unidirectional data transfer devices enabling secure one-way traffic flow for protecting sensitive networks and ensuring data cannot be exfiltrated.
- PacketPro Self-configuring intelligent packet processor module for the SmartNA-XL chassis providing packet slicing, header stripping, and payload masking for compliance with HIPAA, SOX, and GDPR; processes up to 4x1Gbps or 2x10Gbps streams.
Quantifiable outcome
- Zero packet loss guaranteed on passive fiber TAPs versus unpredictable SPAN port drops
- +3 more outcomes
Companies that use Network Critical
Customer profileNamed customers15 records
Segments7 records
Ideal customer profiles6 records
Network Critical technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Network Critical partnerships and signals
Strategic signalPartnerships
20 partnerships are on record, tiered core.
- DarkTracecoreTechnology partnership for integrated network security solutions. DarkTrace AI-powered threat detection integrated with Network Critical visibility infrastructure.
- Palo Alto NetworkscoreTechnology partnership for next-generation firewall integration with Network Critical TAP and packet broker solutions.
- Check PointcoreTechnology partnership for security tool integration with Network Critical visibility platform.
- RiverbedcoreTechnology partnership for network performance monitoring integration.
- CiscocoreTechnology partnership for network infrastructure integration with Cisco switching and routing platforms.
- FortinetcoreTechnology partnership for Fortinet security fabric integration with Network Critical visibility solutions.
- IBMcoreTechnology partnership for IBM security and monitoring tool integration.
- McAfeecoreTechnology partnership for endpoint and network security integration.
- AristacoreTechnology partnership for Arista data center switching integration.
- RSAcoreTechnology partnership for RSA security analytics integration.
- HP (Hewlett Packard)coreTechnology partnership for HP networking equipment integration.
- LogRythmcoreTechnology partnership for SIEM platform integration.
- WiresharkcoreTechnology partnership for packet analysis tool integration.
- ImpervacoreTechnology partnership for data security and application protection integration.
- BarracudacoreTechnology partnership for network security integration.
- F5 NetworkscoreTechnology partnership for application delivery and security integration.
- RadwarecoreTechnology partnership for load balancing and security integration.
- VCloudTechcoreTechnology partnership for cloud technology integration.
- VoipFuturecoreTechnology partnership for VoIP and telecommunications monitoring integration.
- PolystarcoreTechnology partnership for network monitoring tool integration.
Scale indicators6 records
Recent moves6 records
Expansion highlights5 records
Network Critical competitors and assessment
Company assessmentDirect peers
- Gigamon: The dominant pure-play vendor of network packet brokers and visibility infrastructure. Directly competes with Network Critical across hybrid TAPs, packet brokers, and 400G platforms, and is the primary reference competitor Network Critical positions against on TCO and licensing model.
- Keysight Technologies (Ixia): Through the Ixia acquisition, Keysight sells network TAPs, packet brokers, and visibility fabric alongside its network test portfolio. Competes head-to-head with Network Critical in telco, finance, and government test/visibility deployments.
- Viavi Solutions: Provides network TAPs, packet brokers, and observability fabric under its Network Enablement portfolio. Competes with Network Critical in service provider and large-enterprise visibility deployments, including 100G/400G use cases.
- Garland Technology: US-based specialist in network TAPs, bypass TAPs, and inline visibility solutions targeting financial, healthcare, and government customers — a closely comparable niche vendor with overlapping product categories.
- APCON: Specialist in network packet brokers and visibility aggregation, including high-density chassis platforms. Competes with Network Critical's SmartNA family in enterprise and service-provider visibility deployments.
- Profitap: European vendor of network TAPs, packet capture appliances, and network monitoring solutions. Comparable product portfolio and customer base, particularly across EMEA where Network Critical also has strong presence.
- Datacom Systems: Long-standing US vendor of network TAPs, bypass switches, and packet brokers. Direct competitor in the same product categories with similar enterprise and government customer base.
Broad incumbents
- Cisco Systems: Listed as a Network Critical technology integration partner, but also a broad incumbent that bundles visibility features (e.g., Cisco Nexus Dashboard, Tetration) into its networking portfolio — competing indirectly at the architecture layer.
- Arista Networks: Hyperscale and cloud networking incumbent that partners with Network Critical for data center switching integration, but increasingly competes with visibility/observability capabilities in EOS and CloudVision.
Emerging players
- Big Switch Networks (now part of Broadcom): Pioneered software-defined packet broker and network monitoring (Big Monitoring Fabric); under Broadcom, represents the SDN/visibility overlay trend that competes conceptually with purpose-built TAP/broker hardware like Network Critical's.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Network Critical social profiles
Digital presenceNetwork Critical financial estimates
Financial estimateRevenue estimate
Valuation estimate
Network Critical leadership team
Management profileNumber of profiles
Network Critical funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Network Critical M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Network Critical
What does Network Critical do?
Network Critical designs, manufactures, and sells hardware network TAPs (Test Access Points) and packet brokers that provide 100% traffic visibility for enterprise networks. Its portfolio spans passive fiber TAPs, Ethernet copper TAPs, bypass TAPs, and the SmartNA family of hybrid TAP/packet brokers supporting speeds from 1Gbps to 400Gbps, complemented by the Drag-n-Vu management software, PacketPro processing module, Inviktus zero-trust solution, and Data Diodes.
Is Network Critical a public or private company?
Network Critical is a private company. It is classified as unknown and is currently operating.
When was Network Critical founded?
Network Critical was founded in 1997. It employs 51 to 100 people.
Where is Network Critical based?
Network Critical is headquartered in Reading, United Kingdom, in the Europe region.
How does Network Critical make money?
Two revenue lines are on record. Hardware Sales (Network TAPs and Packet Brokers) is the primary driver. The others are software Licensing (Drag-n-Vu Management Interface).
Who are Network Critical's main competitors?
Direct peers on record are Gigamon, Keysight Technologies (Ixia), Viavi Solutions, Garland Technology, APCON, Profitap and Datacom Systems. Broad incumbents are Cisco Systems and Arista Networks. Big Switch Networks (now part of Broadcom) is listed as an emerging player.
Does Network Critical have an API?
Yes. RESTful API for configuration management and integration with orchestration platforms and automation workflows.
What industry is Network Critical in?
Network Critical's product category is Network Monitoring Infrastructure. Its primary akta.pro industry code is HDADABAM, Packet Brokers & Network Traffic Visibility (TAPs, NPBs), with a secondary code of HDAFAJAH, Industrial Network Redundancy & Time-Sensitive Networking (TSN/PRP/HSR/ERPS). Its NAICS code is 5182 and its SIC code is 3576.