Westermo

What Westermo does

Westermo, headquartered in Västerås, Sweden, and founded in 1975, is a wholly-owned subsidiary of Ependion that designs and manufactures industrial data communications and networking equipment for mission-critical infrastructure operators. The company serves operators in rail, energy and utilities, water and wastewater, maritime, and defence, with a stated 50+ year track record in environments where network failure is operationally unacceptable. Its customer base includes utility majors such as Energie AG (6,000 substations, 8,000 routers deployed across the Austrian Alps) and Energie Steiermark (3,000+ routers for smart-grid and smart-meter rollouts), rail integrators such as Hitachi Rail, and water utilities such as Anglian Water.

The product stack is a vertically integrated combination of proprietary hardware and software. Hardware spans industrial Ethernet switches (Lynx, Viper, Redfox, Ibex, Wolverine, Oryx, SandCat, CyBox series), the Merlin cellular router family (including 450 MHz LTE variants for utilities), Ethernet routing switches, DSL routers, mmWave nodes, Ethernet extenders, media converters, and the RCP modular computing platform. Software includes WeOS (proprietary network operating system), WeConfig (template-based configuration), WeConnect (SSL/IPsec VPN for remote access), and Activator (zero-touch provisioning and monitoring). Security is embedded at the hardware level via TPM and Secure Boot, and compliance certifications (IEC 62443-4-2 SL2, IEC 62443-4-1 ML-2, EN 50155, IEC 61850-3, EN 50121-4, DNV) constitute a material gating factor in regulated verticals.

Westermo monetises primarily through hardware sales, supplemented by tiered service agreements (Essential/Enhanced/Enterprise for both standard and cellular products), professional services, and Westermo Academy training. Distribution runs through 16 direct sales offices across Europe, the Americas, Asia Pacific, and Oceania, complemented by 50+ channel partners. Recent inorganic moves include the 2019 acquisition of Virtual Access (wireless industrial routers) and the 2025 acquisition of Welotec (LTE 450 MHz antennas), extending both the technology stack and the addressable utility private-LTE opportunity.

Name

Westermo

Legal name

Westermo Network Technologies

Website

https://westermo.com

Company type

Private

Founded year

1975

Operating status

Operating

Headcount range

251–500 employees

Short description

Westermo provides rugged industrial networking hardware, proprietary networking software (WeOS, WeConfig, WeConnect, Activator), and cybersecurity-certified connectivity for mission-critical operators in rail, energy, utilities, water, maritime, and defence.

Ownership category

akta.pro rank

Product category

Industrial Networking Equipment

NAICS

Relay and Industrial Control Manufacturing (335314)

SIC

Computer Communications Equipment (3576)

akta.pro primary industry

Mission-Critical & Public Safety Private Networks (MCX/LMR Interop) (HDAIAGAH)

akta.pro secondary industries

Field Area Network (FAN) & Backhaul for AMI (EUADAFAE), Microwave & Licensed Point-to-Point Backhaul for Grid Operations (EUADAIAE)

Keywords

• Industrial networking equipment
• Industrial ethernet switches
• Cellular routers
• SCADA protocol gateways
• Mission-critical networks

Headquarters

HQ city

Västerås

HQ country

Sweden

HQ region

Europe

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Technology or R&D, Supply Chain, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Hardware Products: Sale of industrial networking hardware including Ethernet switches, cellular routers, wireless devices, media converters, and accessories. Products designed for demanding industrial environments with long service life.
2. Software Solutions: Software offerings including WeOS operating system, WeConfig configuration tool, WeConnect VPN service, and Activator provisioning/monitoring platform. May include subscription or license components.
3. Service Agreements: Tiered service level agreements (Essential, Enhanced, Enterprise) covering software updates, technical support, and maintenance for both standard and cellular network products.
4. Technical Support Services: Professional services including on-site support, commissioning, troubleshooting, network security services, network optimization, and network design services.
5. Westermo Academy Training: Certification and training courses for industrial networks, remote access, switching, routing, and Activator. Course fees are due within 30 days of start date, with cancellation policies ranging from 100% refund (>28 days) to no refund (<14 days).

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels8 records

Core offering

Westermo designs, manufactures, and supplies industrial data communications equipment and software for mission-critical networks in rail, energy, utilities, water, maritime, and defence sectors. The offering spans rugged hardware (industrial Ethernet switches, cellular routers including 4G/LTE and 450 MHz private LTE, Ethernet extenders, DSL routers, WLAN and mmWave wireless devices, modular computing platforms, and media converters) and proprietary software (WeOS operating system, WeConfig, WeConnect VPN, and Activator zero-touch deployment), supported by Westermo Academy training and tiered service agreements.

Product overview

Westermo provides a comprehensive industrial data communications portfolio centered on hardware, software, and services for mission-critical networks. The hardware portfolio includes industrial Ethernet switches (unmanaged, Layer 2 managed, Layer 3 managed, EN 50155 rail-certified, IEC 61850-3 substation, PoE, rackmount), cellular routers (Merlin-4400 series for 4G/LTE, Merlin-3100 series for 450 MHz private networks), DSL routers, Ethernet extenders, wireless products (WLAN access points, mmWave nodes), modular computing platforms (RCP-1000, RCP-5000), and media converters. The software suite includes WeOS (proprietary operating system), WeConfig (network configuration tool), WeConnect (VPN/remote access solution), and Activator (zero-touch deployment and monitoring platform). Services include Westermo Academy training programs and tiered service agreements. Products are organized under sub-brands: CyBox, Ibex, Lynx, Merlin, Oryx, RCP, Redfox, SandCat, Viper, and Wolverine series.

Differentiator

Problem solved

Functional benefit

Brands

• Merlin Series: Industrial cellular routers including 450 MHz capable devices for utilities and smart grid applications
• WeOS
• WeConfig
• WeConnect
• Activator
• Lynx Series
• Viper Series
• Redfox Series
• Wolverine Series
• RCP Series
• CyBox Series
• Ibex Series
• Oryx Series
• SandCat Series
• Merlin Series
• Westermo Academy

Products and services

• WeOS Proprietary industrial network operating system powering Westermo switches and routers, providing Layer 2/Layer 3 functionality, redundancy protocols, VLANs, and cybersecurity features for mission-critical industrial networks.
• WeConfig Network configuration and maintenance tool that simplifies setup and ongoing management of Westermo devices, using templates to make installations more efficient, simple, and reliable.
• WeConnect High-security VPN solution enabling secure remote connections to the network edge, supporting SSL VPN and IPsec VPN technologies for encrypted site-to-site and remote access connectivity.
• Activator Telco-grade automated provisioning and monitoring system designed for deploying and managing thousands of routers, supporting zero-touch deployment, mass configuration, firmware updates, and real-time diagnostics, available as cloud-based or privately installed server.
• Westermo Academy Training and certification program offering courses on industrial networks, switching, routing, remote access, and Activator management, including Introduction, Certified Engineer, and Expert-level courses.
• Merlin-4400 Series industrial cellular routers Versatile industrial 4G LTE cellular routers for utility, industrial, and trackside applications, featuring TPM, Secure Boot, stateful firewall, VPN encryption, IEC 61850-3 Class 1 substation certification, EN 50121-4 trackside approval, and zero-touch deployment via Activator.
• Merlin-3100 Series industrial cellular routers Industrial cellular routers operating in the 450 MHz spectrum (Band 31, 40, 72) for long-range, reliable coverage, in a compact design suited to demanding industrial and smart grid applications.
• Industrial Ethernet Switches Full range of industrial Ethernet switches including unmanaged, managed Layer 2, managed Layer 3, EN 50155 rail-certified, IEC 61850-3 substation, PoE, and 19-inch rackmount variants, for demanding industrial environments.
• Industrial Ethernet Extenders Industrial Ethernet extenders including managed extenders and point-to-point extenders for extending Ethernet connectivity over long distances in industrial environments.
• Ethernet Routing Switches Industrial Layer 3 switches providing enhanced routing functionality in a robust single-unit design for demanding industrial applications.
• Industrial DSL Routers Industrial broadband ADSL/VDSL routers providing secure remote access for industrial connectivity applications.
• Industrial WLAN Access Points Industrial wireless LAN access points, clients, and bridges for wireless network connectivity in industrial environments.
• mmWave Wireless Nodes Millimeter wave wireless nodes for high-bandwidth point-to-point connectivity in industrial applications.
• RCP Series Modular Computing Platform Modular computing platform for industrial computing applications, including the RCP-1000 Series and the high-capacity RCP-5000 Series for demanding industrial computing deployments.
• Industrial Media Converters Serial converters and repeaters, Ethernet media converters, and fibre optic modems for protocol and media conversion in industrial networks.
• Service Agreements Tiered service packages (Essential, Enhanced, Enterprise) covering software updates, technical support, and maintenance for both standard and cellular network products, with separate tiers available for cellular network products.

Quantifiable outcome

• Merlin 4400 series achieves MTBF of 1,600,000 hours indicating exceptional reliability
• +4 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature9 records

Partnerships

Eleven partnerships are on record, tiered core and minor.

• Limes SecuritycoreStrategic or Co-development Partner · 7 April 2026Strategic partnership expanding Westermo Academy cybersecurity training portfolio. Launching two new online courses in April 2026: Secure Networks: Awareness and Secure Networks: Fundamentals. Combines Westermo's industrial networking expertise with Limes Security's OT security knowledge to help organizations strengthen operational technology environments against growing cyber threats.
• 450 MHz AlliancecoreStrategic or Co-development PartnerNon-profit global organization focused on 450 MHz spectrum range (380-512 MHz). Westermo contributes industrial networking expertise to development of 450 MHz broadband solutions for utilities and critical infrastructure. Promotes spectrum harmonization and ecosystem development for private LTE networks.
• UBBA (Utility Broadband Alliance)coreStrategic or Co-development PartnerIndustry alliance advancing private LTE/5G technologies for utility communication networks. Westermo participates to support development of broadband solutions for utility sector.
• EUTC (European Utilities Technology Council)minorStrategic or Co-development PartnerEuropean utilities technology council where Westermo contributes to discussions on telecom evolution in energy sector, focusing on secure and resilient utility communication networks.
• UTC (Utilities Technology Council)minorStrategic or Co-development PartnerUtilities Technology Council where Westermo collaborates to promote secure, reliable communications for modern utility operations.
• 450 MHz VersorgerallianzminorStrategic or Co-development PartnerGerman-speaking utilities alliance focused on 450 MHz spectrum for utility communications. Westermo participates as technology provider for member utilities.
• WeloteccoreTechnology or IntegrationWelotec, acquired by Westermo in 2025, provides LTE 450 MHz antennas for private networks including outdoor-suitable antennas with MIMO technology. Complements Merlin routers for reliable secondary substation connectivity.
• Blu WirelesscoreStrategic or Co-development PartnerPartnership for rail communications providing advanced wireless connectivity solutions for railway applications including FRMCS 5G successor to GSM-R.
• Virtual AccesscoreTechnology or IntegrationIrish technology company specializing in wireless industrial routers, gateways, and managed connectivity services for utility, traffic management, and telecommunications sectors. Acquired by Westermo in October 2019. Virtual Access product line now sold through Westermo sales offices and distributors.
• KapschcoreChannel Partner/ Reseller/ DistributorStrategic partner in Austria for utility deployments. Kapsch works with Energie Steiermark and Virtual Access (now Westermo) on substation router deployments and IPv6 network implementation.
• Throughput TechnologiesminorChannel Partner/ Reseller/ DistributorWestermo distributor in South Africa that introduced Westermo cellular gateways to Specialized RF for remote access solution on Galápagos Islands telecommunications project.

Scale indicators6 records

Expansion highlights6 records

Broad incumbents

• Siemens (Scalance): Siemens offers the Scalance industrial networking portfolio overlapping Westermo's rail, substation, and factory automation segments, with the advantage of broader automation system integration.
• ABB: ABB's substation communication and grid automation portfolios overlap Westermo's IEC 61850-3 substation networking focus for utilities.
• Nokia Private Networks: Nokia provides private LTE/5G networks for utilities and rail (FRMCS), directly overlapping Westermo's 450 MHz utility offering and rail communications roadmap.
• Ericsson Private Networks: Ericsson competes in utility and rail private LTE/5G markets where Westermo supplies Merlin routers and substation connectivity.
• Juniper Networks (Mist / Apstra): Juniper competes in enterprise and service-provider networking with adjacent positioning in industrial and rail sectors, often displacing niche suppliers in larger RFPs.
• Cisco (Industrial IoT / IE series): Cisco's IE-series industrial switches and IoT networking portfolio compete in Westermo's verticals, with the advantage of broader enterprise IT integration and global support.

Direct peers

• Hirschmann (Belden): Hirschmann, a Belden brand, competes head-to-head with Westermo in rail-certified (EN 50155) industrial Ethernet switches and managed networking for power and transportation.
• Phoenix Contact: Phoenix Contact provides industrial Ethernet switches, routers, and security appliances targeting the same critical infrastructure buyers in energy and transportation as Westermo.
• Advantech: Advantech offers industrial Ethernet switches and cellular routers for energy, rail, and transportation markets, directly overlapping Westermo's product set.
• Moxa: Moxa is a direct competitor in industrial Ethernet switches, cellular routers, and network management software for rail, energy, and factory automation — the same mission-critical verticals as Westermo.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xlinkedin.com/company/westermo
• YouTubeyoutube.com/westermoplay
• Facebookfacebook.com/westermo
• LinkedInlinkedin.com/company/westermo
• Instagraminstagram.com/westermo

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Westermo