Rotek Gmbh & Co. Kg

What Rotek Gmbh & Co. Kg does

Rotek GmbH & Co. KG is a privately held, family-managed German manufacturer of customised small electric motors and gearmotor combinations for industrial B2B customers, headquartered in Bremerhaven and operating globally through a network of country-specific distribution partners. The company was founded on 14 February 2000 by the Treusch family (Rolf, Klaus and Wilfried Treusch) when it acquired Hasselbach & Kausch Elektrokleinmotoren GmbH, and has since built a modular "Baukasten" drive platform combining synchronous, BLDC and stainless-steel motors with spur, planetary and worm gearboxes into millions of configurable variants, exposed via a ~5,000-variant online configurator and a quote-based inside-sales process.

The product family comprises five proprietary series — ROBASE (base synchronous), ROSYNC (energy-saving with patented GreenDrive Technology, >90% efficiency), ROSLYDE (low-noise SmoothDrive), ROMOTION (BLDC with integrated SmartDrive control electronics and a Windows MotorManager parameterisation tool) and ROTECT (IP69K stainless-steel hygienic) — covering applications from industrial OEM equipment, intralogistics and conveyor systems to pellet heating, food processing and rail panorama windows, with nameplate constraints of up to 200 W motor output and 50 Nm gearbox torque.

Rotek monetises primarily through quote-based sale of custom-engineered drive solutions and after-sales replacement-motor service to commercial customers only, supplemented by distribution margin from being the general agent for SPG Korea standard AC/DC micromotors in Germany and Austria since 2003. The go-to-market combines direct inside-sales from Bremerhaven, a global reseller network across 22+ countries in Europe, Asia and Africa, the self-service configurator funnel, and targeted trade-fair participation (Hanover Messe, SPS Nuremberg). The company appears bootstrapped with no disclosed external funding rounds, and is currently expanding its Bremerhaven site and reorganising internal structures following a workforce doubling within the last 2-3 years.

Name

Rotek Gmbh & Co. Kg

Legal name

ROTEK GMBH & CO. KG

Website

https://rotek-motoren.de

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

11–50 employees

Short description

Rotek GmbH & Co. KG is a German family-owned manufacturer of customised small electric motors (up to 200 W) and gearboxes (up to 50 Nm), serving industrial B2B OEMs worldwide through a modular Baukasten platform and quote-based direct and distributor sales.

Ownership category

akta.pro rank

Headquarters

HQ city

Bremerhaven

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom-engineered drive solution sales: Sale of customised small electric motors and gearmotor combinations to commercial/industrial customers; configurator-driven and consultative selling from a modular platform; pricing is quote-based per configuration. Drives revenue via one-off engineered sales plus repeat series production.
2. After-sales replacement motor and spare-parts service: Commercial (B2B) replacement-motor service — customers submit type-plate data and photos via a dedicated form, Rotek checks and returns a quote; replacement/support services exclusively for commercial customers.
3. General agency distribution of SPG standard AC/DC micromotors: Since 2003, Rotek acts as general agent for SPG Korea's standard AC and DC micromotors in Germany and Austria, generating distribution/reseller margin on third-party motor products.

Pricing tiers

Go-to-market motion4 records

Distribution channels5 records

Marketing channels8 records

Core offering

Rotek develops and manufactures customised small electric motors (synchronous, BLDC, energy-saving, low-noise and stainless-steel designs) up to 200 W, combined with spur, planetary and worm gearboxes up to 50 Nm, delivered to industrial OEM customers as engineered drive solutions built from a modular Baukastensystem with millions of variants. The company also distributes SPG Korea standard AC and DC micromotors in Germany and Austria, and provides a B2B replacement-motor and parameterisation service via its Windows-based MotorManager tool and online configurator.

Differentiator

Problem solved

Functional benefit

Brands

• ROMOTION: Brushless DC (BLDC) motor series with integrated control electronics and SmartDrive Technology for networked, sensorless intelligent drive solutions.
• ROSYNC
• ROSLYDE
• ROBASE
• ROTECT

Products and services

• ROMOTION BLDC Motors Brushless DC (BLDC) motor series with integrated control electronics and proprietary SmartDrive Technology. Delivers sensorless operation, networkability, autonomous reaction to sensor signals, and integrated modern safety functions — making external PLCs and motor-mounted sensors unnecessary. Used for networked manufacturing, intralogistics and rail applications (e.g. Rhätische Bahn panoramic train windows).
• ROSYNC Energy-Saving Synchronous Motors Energy-saving synchronous small-motor series with proprietary GreenDrive Technology (patented stator construction, optimised rotor and modern magnetic materials). Achieves efficiencies above 90% (IE4) versus 20-60% for commercially available small drives; deployed in conveyor systems, pellet heaters and other efficiency-driven OEM applications.
• ROSLYDE Low-Noise Synchronous Motors Low-noise, low-vibration synchronous motor series with proprietary SmoothDrive Technology. Minimised cogging torque and reduced noise/vibration for laboratory, residential and thermally critical zones, and for applications such as pellet kitchen stoves.
• ROBASE Synchronous Motors Base synchronous motor series forming the foundation of Rotek's modular system. Long-life, maintenance-free operation with constant speed independent of load; customisable with individual windings, flanges, shafts and protection classes up to IP55. Used as the basis for integration into high-quality, durable actuator and control-valve products.
• ROTECT Stainless Steel Hygienic Motors Stainless-steel motor family in hygienic design with IP69K protection, designed for highly corrosive and harsh environments. Withstands daily high-pressure cleaning and aggressive agents; delivers up to 75 Nm peak torque with 90° rotation in milliseconds; used in food/meat processing (e.g. X-ray sorting).
• Industrial Gearboxes (Spur, Planetary, Worm) Modular gearboxes — stirnrad (spur), planeten (planetary) and schnecken (worm) gearboxes — offered for torques up to 50 Nm. Available in low-noise versions, with custom gear ratios, special lubricants and housing adaptations, combinable with all Rotek motor families as part of the modular Baukasten system.
• SPG Korea AC and DC Micromotors (Distribution) General agency distribution of SPG Korea's standard AC and DC micromotors in Germany and Austria. Adds a third-party standard-motor line to Rotek's own modular portfolio, generating distribution/reseller margin on top of Rotek's own products.
• Replacement Motor and Spare-Parts Service Commercial (B2B) replacement-motor service — customers submit type-plate data and photos via a dedicated form, Rotek checks and returns a quote for an equivalent replacement or spare motor. Replacement and support services are exclusively for commercial customers, creating an aftermarket revenue stream around the installed base.
• MotorManager PC Parameterisation Software Windows-based parameterisation and live-monitoring software for the ROMOTION BLDC motor series. Lets customers set speed limits, ramps, current limits and other operating parameters, and read live data over a serial interface; distributed as a downloadable setup with an operation manual.
• Online Motor Configurator Web-based self-service tool exposing ~5,000 of the most important variants from the millions of modular Baukasten combinations. Engineers filter by torque, speed, output, voltage, motor series and gearbox type; non-standard requirements are handed off to inside sales for a customised quote.

Quantifiable outcome

• ROSYNC achieves >90% efficiency versus 20-60% for typical small drives; up to 150 kg CO2 avoided per motor per year
• +4 more outcomes

Named customers4 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• 1&1 IONOS (1und1)coreTechnology or Integration · 1 January 2026Data-processing-on-behalf-of arrangement under Art. 28 GDPR: 1&1 IONOS is Rotek's hosting service provider, strictly instruction-bound and contractually obligated, supporting operation of rotek-motoren.de and related processes.
• BUND Bremen (Naturschutzbund)minorOthers · 1 January 2020Cooperation with BUND Bremen to redesign the company grounds as animal- and insect-friendly habitat (wildflower meadow, native shrubs, beehives on the hall roof), leading to the 2020 'Orte der biologischen Vielfalt' award.
• Fimatech Förderanlagen GmbHcoreStrategic or Co-development Partner · 1 January 201015+ year integration partnership using ROSYNC motors with GreenDrive Technology in Fimatech's conveyor systems; cited case study of 90% efficiency (IE4), 240 kWh/year energy savings per drive, and protection of heat-sensitive goods.
• Partnerschaft Umwelt Unternehmen (PUU Bremen)coreOthers · 1 May 2008Rotek has been a member of this Bremen environmental business network since May 2008. The network was founded in 2003 by Bremen's environmental department and now has over 220 active members; Rotek participates in joint sustainability actions such as the 2023 20-year-anniversary tree-planting campaign.
• SPG KoreacoreChannel Partner/ Reseller/ Distributor · 1 January 2003Partnership sealed at the Hanover Trade Fair in 2003. SPG Korea appointed Rotek as its general agent for SPG standard AC and DC micromotors in Germany and Austria, adding a third-party standard-motor line to Rotek's own modular portfolio.
• Agromatic Regelarmaturen GmbHcoreStrategic or Co-development Partner · 1 January 200025+ year integration partnership: Rotek develops customised ROBASE synchronous motors (special flange milling, individual winding for every voltage, high self-holding torque) for Agromatic's high-quality and durable actuators and control valves.
• Global distributor network (H und M Antriebstechnik, Compower, Powermotion Oy, BOHEZ, OEM Automatic group, Omega Fusibili, AXIS & Stuifmeel, ebeTEC, Powergate, Safer Instrumentacion, OEM Motor AB, Geoelectric AG, MBM Technik, Contradex, BirCraft, OEM Automatic Shanghai, Escap Motion Control, Dunker Tech, Ark Power controls, Drive Automation & Solutions, Lewenstein Technologies, S-Mikron Electronics)coreChannel Partner/ Reseller/ DistributorMulti-country distribution and sales-partner network across Germany (NRW/Lower Saxony/Rhineland-Palatinate via H und M Antriebstechnik), Europe (DK, EE, FI, FR, GB, IT, NL, NO, AT, PL, ES, SE, CH, CZ, SK, HU), Asia (CN, HK, IN, IL, TR) and Africa (ZA). Partners provide local expert advice, application support, and stocking of Rotek small motors and gearboxes.
• Gerhild Hustädt (Journalismus und Public Relations, Bremen)minorGTM or Marketing PartnerExternal press and online-editorial partner: maintains the ROTEK press section, prepares press releases, manages the press distribution list, and is credited for online editorial implementation of the website.

Scale indicators10 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Bühler Motor: German family-owned manufacturer of customized small DC, BLDC and gear motors for automotive and industrial applications — comparable family-business DNA, customization model, and small-motor product portfolio similar to Rotek's Baukastensystem.
• Faulhaber: Specialist in miniaturized and small precision drive systems (DC, BLDC, linear, stepper motors with gearboxes) for industrial OEMs; competes head-on with Rotek in the low-power, high-customization niche with similar modular catalog and direct B2B sales motion.
• Wittenstein: German specialist in precision gearboxes, mechatronic drive systems and small servo motors for robotics, machine tools and intralogistics — directly comparable on the gearbox side (planetary/worm) and on premium-priced, customized industrial drive solutions.
• Dunkermotoren: German manufacturer of small BLDC and brushed DC motors with integrated electronics and gearboxes, serving industrial OEM customers in intralogistics, medical, and factory automation — directly comparable to Rotek's modular motor+gearbox approach and integrated-control philosophy (SmartDrive/ROMOTION equivalent).
• Maxon Motor: Swiss-based manufacturer of high-precision small DC and BLDC motors, gearheads, and encoders for industrial, medical, robotics and automation OEMs — overlaps directly with Rotek's customer profile and modular small-drive value proposition.

Broad incumbents

• SEW-Eurodrive: Global broad-line drive technology incumbent offering gearmotors, drive electronics and mechatronic systems across all power ranges — overlaps with Rotek in small/medium gearmotors and intralogistics customers but at much larger scale and broader portfolio.
• Bonfiglioli: Italian broad-line manufacturer of gearmotors, drive systems and inverters for industrial automation, intralogistics and renewable energy — overlaps with Rotek in planetary/worm gearboxes and conveyor/intralogistics applications but at significantly larger scale and broader portfolio.
• Nidec: Global Japanese motor and drive giant with a broad small-motor portfolio through acquisitions (e.g., Control Techniques, Leroy-Somer); competes with Rotek in small industrial drives while also serving appliance, automotive and high-power segments.
• ebm-papst: Large German manufacturer of motors and fans with strong energy-efficiency positioning (IE4/IE5 EC motors); competes with Rotek's ROSYNC efficiency story in the small industrial motor segment but operates at vastly greater scale across HVAC, automotive and drive technology.

Emerging players

• SPG Co., Ltd. (SPG Korea): Korean manufacturer of small AC and DC micromotors; since 2003 Rotek acts as SPG's general agent for Germany and Austria, so SPG is both a product-line source and a product peer in the standard small motor segment adjacent to Rotek's customized ROMOTION/ROBASE range.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/rotek-motoren

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries1 record

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 Rotek Gmbh & Co. Kg