Messko GmbH Gewerbegebiet An den Drei Hasen

What Messko GmbH Gewerbegebiet An den Drei Hasen does

Messko GmbH is a German manufacturer of temperature monitoring systems for power and distribution transformers, operating as a wholly-owned subsidiary of Reinhausen GmbH (Maschinenfabrik Reinhausen) and headquartered in the Gewerbegebiet An den Drei Hasen industrial area of Oberursel (Taunus), Germany. The company sells under two registered product brands, MESSKO® and CEDASPE®, with a portfolio of core thermometers including the MESSKO COMPACT series (designed for extreme climate conditions with optional Modbus RTU or 4-20 mA analog output), the modular MESSKO TRASY2 system for medium and large transformers, the MESSKO BETECH (a Modbus-capable bellows thermometer for power transformers), and the CEDASPE VT, BM, and TESS series for distribution transformer applications. Supporting accessories include temperature sensors (ZT-F2), universal power supply devices (Multi-Ballast), panel indicators (PQ96/PQ144, D1272AT), mounting hardware, signal converters (Pt-MU, IgT-MU), and portable calibration baths (MZT1650S). The underlying measurement technologies rely on Bourdon spring systems, bellows technology, bimetallic elements, and Pt100 sensors, with products designed to be maintenance-free over their service life and compliant with standards including EN 50216-4 and DIN 42554.

Messko's revenue model is centered on one-time hardware sales of temperature measurement devices and accessories to a B2B enterprise customer base comprising transformer OEMs, utility companies, and industrial operators including steel plants, data centers, and renewable energy installations. The go-to-market is sales-led, combining direct enterprise field sales for major OEM and utility accounts with the ReinhausenShop e-commerce platform for online purchasing and the myReinhausen customer portal for account-specific ordering and information access. Distribution leverages the Reinhausen group's global footprint, with multi-language digital presence in German, English, Spanish, and Chinese. The company is privately held with 32 employees, and specific revenue, founding date, and financial performance data are not publicly disclosed.

Name

Messko GmbH Gewerbegebiet An den Drei Hasen

Legal name

Messko GmbH Gewerbegebiet An den Drei Hasen

Website

https://messko.de

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Messko GmbH is a German manufacturer of MESSKO and CEDASPE brand temperature monitoring systems for power and distribution transformers, serving transformer OEMs, utilities, and industrial operators globally as a subsidiary of Reinhausen GmbH.

Ownership category

akta.pro rank

Product category

Transformer Temperature Monitoring Equipment

NAICS

Other Measuring and Controlling Device Manufacturing (334519), Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515)

SIC

Instruments For Meas & Testing Of Electricity & Elec Signals (3825)

akta.pro primary industry

Line Monitoring & Sensors (DLR, conductor temperature/sag, fault passage, vibration/icing sensors) (EUADADAL)

Keywords

• Transformer temperature monitoring
• Oil temperature measurement
• Winding temperature sensors
• Distribution transformer thermometers
• Power transformer instrumentation

Headquarters

HQ city

Regensburg

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Temperature Monitoring Hardware Sales: Sale of temperature measurement systems, thermometers, and accessories for power and distribution transformers. Products include MESSKO COMPACT, TRASY2, BETECH series thermometers as well as CEDASPE VT and BM series. Revenue generated through one-time hardware sales via direct sales and e-commerce channels.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Messko GmbH designs, manufactures, and sells mechanical and electromechanical temperature monitoring instruments for power and distribution transformers, marketed under the MESSKO® and CEDASPE® brand families. The portfolio includes Bourdon-tube, bimetallic, and bellows-based thermometers for oil and winding (thermal image) temperature measurement, plus accessories such as Pt100 temperature sensors, CT current ballasts, panel indicators, signal converters, mounting hardware, and portable calibration baths. Products are sold globally to transformer manufacturers, electric utilities, and large industrial operators through direct enterprise sales, the ReinhausenShop e-commerce platform, and the myReinhausen customer portal.

Product overview

Messko GmbH offers temperature monitoring solutions for transformers under the MESSKO® and CEDASPE® product brands. The portfolio comprises two main categories: core temperature measurement products (thermometers for oil and winding temperature) and accessories. Core products include the MESSKO® COMPACT series for extreme climate conditions, the modular MESSKO® TRASY2 system for medium and large transformers, MESSKO® BETECH® with Modbus capability for power transformers, and the CEDASPE® line (VT, BM, TESS) for distribution transformer applications. Supporting accessories include temperature sensors (ZT-F2), power supply devices (Multi-Ballast), panel indicators (PQ96/PQ144, D1272AT), mounting hardware (Einbauhülse, Kombihülse), signal converters (Pt-MU, IgT-MU), and calibration equipment (MZT1650S). The products serve both distribution and power transformer markets with various communication options including RS485 Modbus RTU and 4-20 mA analog outputs.

Differentiator

Problem solved

Functional benefit

Brands

• MESSKO® COMPACT: Temperature monitoring devices showing quality under extreme climate conditions with closed system design
• MESSKO® TRASY2
• MESSKO® BETECH®
• CEDASPE® VT
• CEDASPE® BM
• CEDASPE® TESS

Products and services

• MESSKO COMPACT Temperature measurement device for distribution and power transformers designed to operate under extreme climate conditions. Closed system design with optional RS485 Modbus RTU or 4-20 mA analog output, extremely durable and function-safe without re-adjustment or recalibration. For transformer manufacturers, utilities, and industrial operators.
• MESSKO TRASY2 Modular temperature measurement system for oil or winding temperature (thermal image) measurement in medium or large power transformers. Features Bourdon spring measurement system without additional mechanics, extremely durable and function-safe. Requires ZT-F2 sensor for winding temperature. For power transformer manufacturers and utilities.
• MESSKO BETECH Thermometer for measuring oil and winding temperature (thermal image) in power transformers. New Modbus-capable bellows (Faltenbalg) technology, reliable under high switching loads, maintenance-free without re-adjustment during entire service life. For power transformer OEMs and utility operators.
• CEDASPE VT Bourdon thermometer for oil temperature measurement in distribution transformers. 80mm display available without contacts or with micro switch contacts and capillary. Tube spring measurement system without additional mechanical parts; housing, connection, spindle and capillary in stainless steel. For distribution transformer manufacturers and utilities.
• CEDASPE BM Bimetal, contactless oil level and temperature indicators for distribution transformer applications. Available in BM80 (75mm display) and BM100 (95mm display) variants with temperature sensors F, M, and PK. For distribution transformer OEMs and operators.
• CEDASPE TESS Liquid-filled thermometer for oil temperature measurement in distribution transformers. 100mm nominal diameter, max pointer with external reset, and temperature influence compensation. For distribution transformer manufacturers and utilities.
• MESSKO ZT-F2 Temperature Sensor Temperature sensor required for winding temperature measurement with the MESSKO TRASY2 system. Fast and simple installation, compatible with all standard thermometer pockets per EN 50216-4. For transformer manufacturers and service technicians.
• MESSKO Multi-Ballast Universal pre-device that transforms CT currents of 1A, 1.5A, 3A, 4A, and 5A to the current required for thermal image measurement. Universal device compatible with TRASY2 and COMPACT series. For transformer manufacturers and operators.
• MESSKO PQ96/PQ144 Moving coil indicator for panel mounting, available in 96mm and 144mm formats for switchgear panel installation. For switchgear manufacturers and substation integrators.
• MESSKO D1272AT Digital Indicator Digital indicator for remote display of oil or winding temperature or oil level. Panel installation with freely adjustable limit contacts and various output signals. For switchgear and substation control rooms.
• MESSKO Pt-MU Signal Converter Signal converter that converts the signal from a Pt100 temperature sensor into a temperature-proportional standard unit signal for transmission. For SCADA and asset management integration.
• MESSKO IgT-MU Signal Converter DC signal converter for transforming and galvanically isolating a DC current or voltage into a constant current signal. For signal conditioning in temperature monitoring systems.
• MESSKO MZT1650S Portable Calibration Bath Portable calibration bath for reliable testing of thermometers used in transformers and industrial plants. Robust design with mobile deployment capability. For service technicians, transformer manufacturers, and maintenance crews.
• MESSKO Mounting Sleeve and Kick Protection (Einbauhülse und Tretschutz) Standard mounting sleeve for installing the oil thermometer into the thermometer pocket per DIN 42554, with integrated kick protection against mechanical damage. For transformer manufacturers and service technicians.
• MESSKO Combination Sleeve (Kombihülse) Combination sleeve for mounting the oil thermometer, installable in thermometer pocket per DIN 42554, similar in function to the standard mounting sleeve. For transformer manufacturers and service technicians.

Quantifiable outcome

• Maintenance-free operation without re-adjustment or recalibration during entire service life

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature9 records

Scale indicators1 record

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• ABB: ABB offers a broad portfolio of transformers, switchgear, and grid automation including transformer monitoring instruments. It is a broad incumbent whose monitoring capabilities overlap with Messko but sit alongside a much wider product portfolio serving the same utility/industrial customers.
• Siemens Energy: Siemens Energy manufactures power and distribution transformers and supplies associated monitoring and grid digitalization solutions. As a major transformer OEM with in-house and partner monitoring offerings, it is a broad incumbent that competes with Messko both at OEM and end-customer level.
• GE Vernova: GE Vernova (including the former GE Grid Solutions) provides transformers plus grid monitoring and asset management software such as APM. It is a broad incumbent competing with Messko in transformer monitoring and adjacent digital grid offerings.
• Hitachi Energy: Hitachi Energy is a major transformer OEM offering TXpert digital monitoring ecosystem for power and distribution transformers. It competes with Messko by bundling monitoring into new transformer deliveries and through retrofit programs to the same global utility and industrial customers.
• Eaton: Eaton supplies electrical components, transformers, and power management solutions including monitoring instruments for industrial and utility customers. It is a broad incumbent with overlapping transformer-monitoring capabilities and a far larger portfolio than Messko.

Direct peers

• Dynamic Ratings: Dynamic Ratings specializes in transformer monitoring systems including temperature, dissolved gas analysis, and bushing monitoring. It targets the same utility and industrial customer base as Messko and represents a focused, technologically adjacent competitor in transformer instrumentation.
• Doble Engineering: Doble provides transformer condition monitoring, diagnostics, and testing instruments used by utilities and industrial operators globally. It competes directly with Messko in transformer temperature and asset-health monitoring, with overlapping end customers and similar sales motion.
• Qualitrol: Qualitrol is a leading direct competitor in transformer condition monitoring, offering temperature, pressure, level, and dissolved gas sensors for power and distribution transformers. It is the most head-to-head comparable to Messko's MESSKO and CEDASPE portfolios in product scope and customer base (utilities and transformer OEMs).

Emerging players

• Weidmann Electrical Technology: Weidmann provides electrical insulation, transformer components, and related monitoring/diagnostic solutions to transformer OEMs and utilities. It is an emerging player adjacent to Messko, with overlapping transformer-industry customers and partial product overlap in instrumentation and condition assessment.
• Vaisala: Vaisala is an industrial and environmental measurement company producing humidity, temperature, and condition sensors for demanding industrial environments. Its transformer and energy-sector monitoring offerings overlap with Messko's temperature measurement core and represent an emerging, more digital-native competitor in adjacent sensor categories.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xxing.com/pages/maschinenfabrikreinhausen
• YouTubeyoutube.com/channel/UCv_e_ROw8Zrrcof6su9rH_w
• Facebookfacebook.com/Maschinenfabrik-Reinhausen-MR-100064734634487
• LinkedInlinkedin.com/company/messko-gmbh-gewerbegebiet-an-den-drei-hasen
• Instagraminstagram.com/reinhausenkarriere

Revenue estimate

Valuation estimate

Number of profiles

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 Messko GmbH Gewerbegebiet An den Drei Hasen