Molline

What Molline does

Molline (legal entity WDV Molliné GmbH) is a German measurement technology and metering services company headquartered in Stuttgart, founded in 1964 and operating as a privately held GmbH with 51-100 employees. The company supplies utility-grade meters and associated system technology for buildings, spanning heat and cooling meters (WingStar mechanical and Ultramess ultrasonic lines), water meters (Hydromess and Allmess brands, including underfloor, valve, residential, Woltmann, and ultrasonic variants), gas meters (diaphragm, rotary piston, turbine, and industrial calorimetric types), compressed air meters, oil meters, and Sysmess electricity meters. System-technology products include the Sysmess Multi 4 and Modular 4 data loggers and gateways, plus accessories such as optical heads, M-Bus masters, and wireless gateways. Devices support a broad communication stack including wired M-Bus, wireless M-Bus, BACnet, Modbus, LoRaWAN, NB-IoT, KNX/EIB, LonWorks, and Ethernet/IP, and key product lines carry MID certification for legal billing.

The business serves housing companies and property managers (its primary segment), commercial and industrial enterprises, municipalities, installers/tradespeople, and planning/engineering offices. Reference customers include Medical Park, Kraftwerk, Flughafen, W2 Campus, and Milaneo. Revenue is generated through three streams: one-time hardware sales via a B2B e-commerce storefront requiring business-customer registration, recurring device-rental and billing-service contracts (Abrechnungsservice, Geräte-Mietservice, Rauchwarnmelder-Service), and the Molliné 24 self-billing subscription platform. Pricing is on net-price business terms with free shipping and next-business-day fulfillment for orders placed by 15:00. Compliance with Eichgesetz, Heizkostenverordnung, and MID is central to the value proposition, and the portfolio is explicitly positioned for the December 31, 2026 transition to digital metering under the updated heating cost regulation. Geographic reach is Germany-only, with no disclosed international operations.

Name

Molline

Legal name

WDV Molliné GmbH

Website

https://molline.de

Company type

Private

Founded year

1964

Operating status

Operating

Headcount range

51–100 employees

Short description

Molline (WDV Molliné GmbH) is a German B2B supplier of certified heat, water, gas, compressed-air, and electricity meters plus metering services, serving housing companies, property managers, industrial enterprises, municipalities, and installers across Germany via a B2B e-commerce platform, device rentals, and the Molliné 24 self-billing subscription.

Ownership category

akta.pro rank

Headquarters

HQ city

Denzlingen

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Meter Hardware Sales: Sale of heat meters, water meters, gas meters, electricity meters, oil meters, compressed air meters, and system technology products. Products sold at net prices to registered business customers.
2. Metering Services: Billing service (Abrechnungsservice), device rental service (Geräte-Mietservice), smoke detector service, and project planning services.
3. Self-Billing Platform: Molliné 24 self-billing platform allowing customers to manage their own consumption data and billing.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Molline supplies measurement technology, utility meters (heat, cooling, water, gas, electricity, compressed air, oil), and data logging/gateway system technology to business customers in Germany, complemented by metering services including consumption-based billing, self-billing via the Molliné 24 platform, device rental, smoke detector inspection, and energy management consulting. Products are sold exclusively to registered business customers through an e-commerce storefront and direct sales channels, with technical consultation and project planning support for new construction, renovation, and large-scale deployments.

Product overview

Molline is a provider of measurement and consumption data systems for buildings, offering a comprehensive portfolio of utility meters, system technology, accessories, and measurement services. The core product range includes heat/cooling meters (WingStar and Ultramess brands, available as compact, ultrasonic, and split designs), water meters (Hydromess and Allmess brands including underfloor, valve, residential, house, ultrasonic, and Woltmann types), gas meters (diaphragm and industrial types), compressed air meters, oil meters, and electricity meters (Sysmess brand). System technology includes data loggers and gateways (Sysmess Multi 4, Sysmess Modular 4) supporting M-Bus, BACnet, Modbus, LoRaWAN, and other protocols for integration with building automation systems. The portfolio is complemented by accessories (optical heads, M-Bus masters, radio gateways), mounting blocks, and service offerings including billing services, self-billing platform (Molliné 24), device rental, smoke detector service, project planning, and energy management consulting. Products support communication standards including M-Bus, wireless M-Bus, BACnet, Modbus, LoRaWAN, and KNX for smart metering and building automation integration.

Differentiator

Problem solved

Functional benefit

Brands

• Molliné 24: Self-billing service platform for easy consumption data management and billing.
• Sysmess
• WingStar
• Ultramess
• Hydromess
• MIDmess

Products and services

• WingStar C3 S Kompaktwärmezähler Compact heat meter with mechanical volume measurement for residential heating cost allocation, compatible with Metrona and Sensus systems, featuring a rotatable and removable calculator unit.
• Ultramess C3 U Ultraschallzähler Ultrasonic heat meter with high measurement accuracy and wear-free operation, suitable for modern heating systems and heat pumps.
• Allmess UltraMaXX Kompakt-Ultraschallzähler Compact ultrasonic meter combining the proven measuring capsule system with innovative ultrasonic technology for precise energy measurement.
• Ultramess H Ultraschallzähler Ultrasonic heat meter with compact design for measuring energy consumption in various heating applications.
• Ultramess 403 Ultraschallzähler Compact ultrasonic meter for heat and cooling with high measurement accuracy for exact consumption registration.
• Ultramess S3 Split Ultraschallzähler Split-design ultrasonic heat meter with separate calculator unit, suitable for DN 15 to DN 100 pipe dimensions.
• Allmess CF51 Ultraschallzähler Large-area ultrasonic meter for heat and cooling with short response times, ideal for heat exchangers and hot water heaters.
• Ultramess Solar 6M3 Ultraschallzähler Ultrasonic heat meter with glycol measurement capability for solar thermal installations.
• MIDmess MI12 magnetisch-induktiver Wärme-/Kältezähler Magnetically-inductive large-area meter for heat, cooling, and climate with broad flexible deployment range and very low pressure loss.
• Clamp-On Ultraschallzähler External clamp-on ultrasonic meter for flow and energy data acquisition of building technology systems without pipe modification.
• Hydromess H2 Ultraschallwasserzähler Precise and robust ultrasonic water meter for all areas of water supply with BACnet, Ethernet/IP, KNX/EIB, LON, LoRa, M-Bus, Modbus, or wireless M-Bus interfaces.
• Hydromess 2200 Ultraschall-Wasserzähler Ultrasonic water meter for commercial and industrial applications with multiple communication interfaces.
• Woltmannzähler Hydromess ZR WP Precision Woltmann water meter with low pressure loss, wear-resistant, flood-proof (IP68), MID-compliant for legal billing and drinking water supply.
• Verbundwasserzähler Hydromess ZR WPV Compound water meter for capturing fluctuating flows in drinking water distribution and industry with automatic switching between Woltmann and conventional meters.
• Digital UP-Zähler Koax 2" (IST) Digital underfloor water meter compatible with Ista, MID-certified for legal metrology.
• Balgengaszähler Typ N Diaphragm gas meter fulfilling highest demands for measurement accuracy and safety in residential and commercial applications.
• Industriegaszähler IMS-57 & RDE-55 Industrial gas meters using calorimetric measurement principle for precise and fast measurement of demanding gas mixtures, oxygen, natural gas, and more.
• Drehkolbengaszähler Rotary piston gas meter for exact determination of operating volume even with irregular or low gas flow.
• Turbinenradgaszähler Turbine wheel gas meter as a flow meter with broad deployment range for operating volume measurement via magnetic coupling.
• Gasmess 300 Mengenumwerter Digital gas state quantity converter for determining normal volume for large gas meters with high stability and longevity.
• Kompakter Druckluftzähler IMS-25 Compact compressed air meter using calorimetric measurement principle for air balancing and consumption measurement of individual machines or plants.
• Druckluftzähler IMS-52 & Messsonde RDE-50 Compressed air meters using calorimetric measurement for air balancing, consumption measurement, and leak rate determination.
• Sysmess UM96 Universalmessgerät Universal measuring device for 3-phase current and voltage measurement in 6-quadrant operation in class 0.2 accuracy.
• Sysmess Sinus Energiezähler 3-phase alternating and three-phase current meter up to 85A with S0, KNX, M-Bus, Modbus, or wireless M-Bus interface for DIN rail mounting.
• Ölzähler HZ Oil meter enabling exact consumption and inventory control for heating oil, with types HZ-3, HZ-5, and HZ-6 available.
• Sysmess Multi 4 Datenlogger / Gateway Data logger and multi-protocol gateway supporting M-Bus, BACnet, Modbus, LoRaWAN, and other system connections for standardized measurement data acquisition and building automation integration.
• Sysmess Modular 4 Datenlogger / Gateway Data logger and multi-protocol gateway for standardized measurement data acquisition for process control systems, heating cost billing, ISO 50001 energy management systems, smart meters, and smart grids.
• Sysmess S1 Mobil Auslesesystem Mobile walk-by meter reading system via radio for all installation situations without complex cable installation.
• Molliné Easy Funk Gateway Wireless M-Bus gateway for simple and continuous remote reading of meters with wireless M-Bus sensors.
• Sysmess HS1 Heizkostenverteiler Electronic heat cost allocator for determining heat output by measuring radiator temperature.
• Rauchwarnmelder RE1 Smoke detector with OMS wireless technology for remote inspection, providing protection and safety in case of fire.
• Abrechnungsservice Digital consumption data billing service covering measurement, transmission, and invoicing for heating costs and utilities.
• Selbstabrechnung (Molliné 24) Self-billing platform enabling customers to manage their own consumption data and billing independently.
• Geräte-Mietservice Rental service for meters where rental costs can be passed on to tenants as operating costs per German law (§ 2 No. 4a BetrKV).
• Rauchwarnmelder-Service Smoke detector inspection and maintenance service using remote inspection via wireless OMS technology.
• Projektierung Project planning service including individual consulting and dimensioning for new construction, renovation, or large projects.
• Energiemanagement Energy management consulting and solutions for systematic energy efficiency improvement per ISO 50001.
• Energieeffizienzrichtlinie / EED Advisory services for compliance with the EU Energy Efficiency Directive requirements.

Quantifiable outcome

• Transition deadline for digital metering per updated Heizkostenverordnung: December 31, 2026

Named customers5 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration10 records

Feature4 records

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Qundis: Qundis is a German specialist in submetering and heat cost allocation with wireless M-Bus and remote reading solutions for residential buildings — directly competing with Molline's Sysmess gateway and remote reading product lines targeting the same Wohnungsunternehmen segment.
• Diehl Metering: Diehl Metering is a major German and European manufacturer of heat, water, and gas meters including ultrasonic technology — directly competing with Molline's Ultramess ultrasonic line and offering comparable smart metering solutions for utilities and submetering applications.
• Zenner International: Zenner is a German manufacturer of heat meters, water meters, and smart metering solutions — competing directly with Molline's Ultramess and Hydromess brands and explicitly listed as a WingStar C3 compatibility partner, confirming product overlap.
• Minol Messtechnik: Minol is a German manufacturer and service provider of heat, water, and gas meters with full billing services — a direct competitor whose meters are explicitly listed in Molline's WingStar C3 compatibility matrix, indicating overlap on both product and service fronts.
• Engelmann Sensor: Engelmann is a German manufacturer of heat meters, water meters, and heat cost allocators with strong wireless M-Bus remote reading capabilities — competing with Molline's ultrasonic and compact heat meter portfolio, especially for residential and small commercial installations.
• Ista: Ista is the largest German submetering and energy services provider, offering heat cost allocation, water/heat metering, and consumption data services to housing companies and property managers — directly overlapping Molline's primary Wohnungsunternehmen & Hausverwaltungen segment and competing on the same Heizkostenverordnung-compliant billing services.
• Kalo: Kalo is a German metering services company focused on heat cost billing, submetering, and consumption data services for housing industry and property management — directly competing with Molline's Abrechnungsservice and Geräte-Mietservice offerings.
• Brunata-Metzner: Brunata-Metzner is a German metering services company specializing in heat cost allocation, submetering, and consumption data services for property managers and housing companies — competing directly with Molline's primary segment on billing and hardware rental.
• Techem: Techem is a leading German metering services and submetering company providing heat, water, and smoke detector services to residential and commercial real estate — directly competing with Molline's Abrechnungsservice, Geräte-Mietservice, and heat/cooling meter portfolio.
• co.met: co.met is a German metering services provider offering heat, water, and gas submetering solutions for housing companies and municipalities — directly competing with Molline's primary customer segments and product portfolio including billing services and remote reading technology.

Market position

Strengths1 record

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/wdvmolline

Compliance4 records

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 Molline