What SEH Technology does

SEH Technology (legal entity: SEH Computertechnik GmbH) is a privately held German hardware and embedded firmware company founded in 1986 and headquartered in Bielefeld, Germany, where all products are developed and manufactured in-house. The company specializes in network-attached device servers, with a core portfolio spanning USB device servers (utnserver Pro/ProMAX) that enable remote access to USB peripherals over TCP/IP, USB dongle servers (dongleserver Pro/ProMAX) that provide secure network-managed storage for software license dongles, industrial USB device servers (INU-50, INU-100, SU-302, IH-304) for Industry 4.0/IIoT environments, and print servers (printserver ONE, PS105, plus internal NICs for Epson and Citizen printers) with fiber adapter accessories. The underlying technology uses lean embedded Linux-based firmware with no user management, shell, or sudo, deliberately minimizing the attack surface and producing demonstrable immunity to vulnerabilities such as CVE-2025-32463 and Ripple20.

The company's commercial model combines direct sales with extensive global distribution through major IT distributors (CDW, Ingram Micro, Synnex, Also, ComLine) and regional Japanese partners (SoftBank, DIS/Daiwabo, UAC, Synnex Japan), supported by wholly-owned subsidiaries in the United States (Phoenixville, PA), United Kingdom, and Japan. Customer segments are horizontal and span enterprises/corporations, industrial/manufacturing firms, software vendors (via the Technology Alliance Partner program with 30+ certified integrations including Wibu-Systems, Keylok, and Vectorworks), and public authorities/institutions. Revenue streams include one-time hardware sales, recurring Serviceplus Pro and ProMAX extended warranty and advance replacement packages, and warranty extensions via a dedicated portal. The company is led by Managing Director Dipl.-Ing. Rainer Ellerbrake and remains privately held with no external investors or funding rounds disclosed. Recent milestones include the 40th anniversary in 2026 and active product news through 2025-2026 indicating continued operational investment.

Name

SEH Technology

Legal name

SEH Computertechnik GmbH

Website

https://seh-technology.com

Company type

Private

Founded year

1986

Operating status

Operating

Headcount range

11–50 employees

Short description

SEH Technology (SEH Computertechnik GmbH), founded in 1986 in Bielefeld, Germany, manufactures network-attached USB device servers, license dongle servers, print servers, and industrial connectivity solutions for enterprises, software vendors, and industrial customers worldwide.

Ownership category

akta.pro rank

Headquarters

HQ city

Phoenixville

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hardware Product Sales: Sale of network device servers, dongle servers, print servers, and industrial solutions. Products are developed and manufactured at company headquarters in Bielefeld, Germany.
2. Service Packages (Serviceplus Pro/ProMAX): Extended warranty and advance hardware replacement packages for dongle servers.
3. Warranty Extensions: Extended warranty provisions available through guarantee.seh.info portal.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels7 records

Core offering

SEH Technology designs, develops, and manufactures network connectivity hardware at its headquarters in Bielefeld, Germany. Its core products are USB device servers (utnserver Pro/ProMAX) that enable users to access USB peripherals over IP networks, USB dongle servers (dongleserver Pro/ProMAX) that provide secure centralized management of software license dongles, industrial USB device servers (INU-50, INU-100, SU-302, IH-304) for Industry 4.0/IIoT environments, and external/internal print servers for network printing. All products run a proprietary lean embedded Linux-based firmware that eliminates common attack vectors.

Product overview

SEH Technology offers a comprehensive portfolio of network connectivity solutions centered around USB device servers and dongle servers, with additional product lines for industrial applications, print servers, and accessories. The core product lines include: (1) USB Device Servers (utnserver Pro/ProMAX) for network-based USB device sharing; (2) USB Dongle Servers (dongleserver Pro/ProMAX) for secure license dongle management; (3) Industrial Solutions (INU-50, INU-100, SU-302, IH-304) for harsh industrial environments and Industry 4.0/IIoT applications; (4) Print Servers including external solutions (printserver ONE, PS105) and internal NICs (Epson PS107, Citizen PS112); (5) Fiber Adapters (FC126, FC1126, HPFA-226, HPFA-1226); and (6) Rack Mount Kits (RMK4, RMK3). Service packages (Serviceplus Pro/ProMAX) provide warranty extensions and advance hardware replacement. All products are developed and manufactured at the company's headquarters in Bielefeld, Germany, and support integration with Citrix, VMware, and Hyper-V virtualization environments.

Differentiator

Problem solved

Functional benefit

Products and services

• utnserver Pro Network-enabled USB device server that enables users to access USB peripherals such as external disks, dongles, card readers, barcode scanners, medical devices, mobile gauges, output devices and scanners via TCP/IP networks, with SSL encryption and authentication for enterprise and SOHO environments.
• utnserver ProMAX Professional-grade USB device server with enhanced performance and capacity for network-based USB device sharing in demanding enterprise environments.
• dongleserver Pro Network dongle server that provides secure storage and centralized network management of software license dongles, protecting them against loss, damage, wear and tear, or theft, with verified compatibility with major DRM providers such as WIBU-SYSTEMS CodeMeter, KEYLOK and Vectorworks.
• dongleserver ProMAX Professional dongle server with enhanced capacity and features for centralized network management of large populations of license dongles in enterprise environments.
• INU-50 Compact industrial USB device server designed for harsh industrial environments, providing serial and USB connectivity for industrial automation applications.
• INU-100 Industrial USB device server that integrates non-network-ready USB devices into TCP/IP industrial network environments, designed for Industry 4.0 and IIoT deployments in manufacturing and automation.
• SU-302 Industrial serial device server providing network connectivity for serial devices in industrial automation and manufacturing settings.
• IH-304 Industrial hub device server providing multiple USB ports over the network, enabling expansion of USB-connected equipment in industrial environments.
• printserver ONE External network print server enabling professional printer connectivity in any environment, providing a second network interface for printers, encrypted data transmission, and IPSec tunnel support.
• PS105 External print server that connects USB printers to network environments for shared office or enterprise printing.
• Epson PS107 Internal network interface card (NIC) designed for Epson printers to enable network connectivity and shared printing.
• Citizen PS112 Internal network interface card (NIC) designed for Citizen printers to enable network connectivity and shared printing.
• Serviceplus Pro Recurring extended warranty and advance hardware replacement service package for the dongleserver Pro, providing ongoing warranty coverage beyond the standard term.
• Serviceplus ProMAX Recurring extended warranty and advance hardware replacement service package for the dongleserver ProMAX, providing ongoing warranty coverage beyond the standard term.

Quantifiable outcome

• Products unaffected by CVE-2025-32463 (sudo chroot vulnerability) due to lean embedded design with no user management, shell, or sudo
• +1 more outcomes

Named customers1 record

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

15 partnerships are on record, tiered core and minor.

• CDWcoreChannel Partner/ Reseller/ DistributorMajor US technology products distributor serving as authorized reseller for SEH products in the US market.
• Ingram MicrocoreChannel Partner/ Reseller/ DistributorGlobal technology distributor and supply chain solutions provider distributing SEH products worldwide.
• SynnexcoreChannel Partner/ Reseller/ DistributorGlobal IT distributor and services company distributing SEH products through their extensive channel network.
• AlsocoreChannel Partner/ Reseller/ DistributorEuropean IT distributor serving as reseller for SEH products in European markets.
• ComLinecoreChannel Partner/ Reseller/ DistributorGerman IT distributor and solution provider for SEH products.
• systeamminorChannel Partner/ Reseller/ DistributorGerman IT distributor partner for SEH products.
• printecminorChannel Partner/ Reseller/ DistributorGerman printing solutions distributor for SEH print server products.
• UACcoreChannel Partner/ Reseller/ DistributorJapanese technology distributor serving Japanese market with SEH products.
• DIS (Daiwabo)coreChannel Partner/ Reseller/ DistributorJapanese IT product distributor for SEH products in Japan.
• SoftBankcoreChannel Partner/ Reseller/ DistributorJapanese telecommunications and technology company distributing SEH products.
• Synnex JapancoreChannel Partner/ Reseller/ DistributorJapanese subsidiary of global IT distributor Synnex for SEH products.
• SystenaminorChannel Partner/ Reseller/ DistributorJapanese IT solutions provider for SEH products.
• VectorworkscoreTechnology or IntegrationAward-winning design and BIM software provider. Dongleserver Pro successfully tested with Vectorworks CAD software for network dongle management.
• WIBU-SYSTEMS AGcoreTechnology or IntegrationTechnology leader in Digital Rights Management. CodeMeter protection hardware (WibuBox and CmDongle) tested and verified to work perfectly with myUTN-80 Dongleserver.
• KeylokcoreTechnology or IntegrationHardware-based security and licensing provider. All product lines (KEYLOK2, KEYLOK3 and Fortress) tested successfully with SEH Dongleserver for virtual environment support.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Silex Technology: Direct competitor in USB device servers and network print servers, with overlapping myUTN-equivalent product lines targeting enterprise and embedded connectivity. Closest like-for-like niche specialist.
• Lantronix: Public US company offering device servers, IoT gateways, and console servers. Directly competes with SEH's INU/utnserver lines in industrial and enterprise connectivity.
• Digi International: Major provider of device servers, routers, and IIoT gateways. Competes head-on with SEH's industrial INU/SU product line and broader USB-over-IP category.
• Moxa: Industrial networking specialist with serial device servers and IIoT gateways overlapping SEH's INU-50/INU-100/SU-302 positioning for harsh-environment connectivity.
• Perle Systems: Manufacturer of serial-to-Ethernet device servers and console servers; competes with SEH's industrial and enterprise device server portfolio.
• Brainboxes: UK-based serial and USB connectivity hardware vendor offering device servers with overlapping industrial/enterprise use cases to SEH's INU and utnserver lines.

Broad incumbents

• ATEN International: Broader KVM and connectivity incumbent with USB-over-IP and serial device server products. Larger scale and broader portfolio make it an incumbent competitor across SEH's enterprise segment.
• StarTech.com: Broadline connectivity peripherals vendor with USB-over-IP and print server SKUs. Overlaps with SEH on the peripherals/channel side though not as deeply specialized.
• Hewlett Packard Enterprise (Jetdirect / print networking): Original equipment manufacturer of networked printing solutions including internal print servers (e.g., HP Jetdirect). Competes with SEH's printserver ONE and internal NIC product lines as part of a much larger portfolio.

Others

• WIBU-SYSTEMS AG: DRM and software protection vendor whose CodeMeter hardware is verified-compatible with SEH dongleservers. Not a direct competitor but a strategic TAP ecosystem partner — included because the licensing ecosystem is integral to SEH's value proposition.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/seh__Technology
• YouTubeyoutube.com/user/sehdoten
• Facebookfacebook.com/SEH.DE
• LinkedInlinkedin.com/company/seh-technology-inc-usa-

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries2 records

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about SEH Technology