Sontex
Sontex SA is a privately-held Swiss manufacturer of thermal energy meters, ultrasonic water meters, heat cost allocators, and radio readout infrastructure, sold via a 30+ country partner network to energy suppliers, building automation integrators, and property managers.
- Company typePrivate
- Founded1989
- HeadquartersSonceboz, Switzerland
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
What Sontex does
Sontex SA is a Swiss privately-held manufacturer of measurement systems for thermal energy, water, and consumption data, headquartered in Sonceboz, Switzerland. The company was established in 1989 through a management buy-out of the calorimetry division of Sonceboz S.A. and has operated with substantially unchanged ownership and Swiss Made manufacturing ever since, running development, production, and final inspection at a single 4,000 m2 facility.
The product portfolio centers on thermal energy meters (Supercal and Superstatic families using a fluidic oscillation measurement principle with piezoelectric sensors, originally a NASA technology brought to market maturity by Sontex), ultrasonic water meters (Superaqua series using a mirror-free architecture), electronic heat cost allocators (Sontex 565/566/868/878), and a Supercom radio module family that supports proprietary 433 MHz bidirectional radio, wM-Bus/OMS, and LoRaWAN protocols. Readout is delivered through walk-by devices (Supercom 636/637), the Superlink C gateway, and the Sonexa web platform for consumption data and AES-128 key management, with integration into building management and billing systems via BACnet, Modbus, and M-Bus. The portfolio is backed by MID 2014/32/EU type approval, EN 1434, PTB cooling approval, ISO 9001:2015, ISO 14001:2024, and an ISO/IEC 17025-accredited in-house calibration laboratory (SCS 0071) since 1996.
Sontex sells exclusively through a partner network of more than 30 country-specific distributors and original equipment manufacturers across Europe, the Middle East, and Asia-Pacific, layering regional sales managers and key account managers on top for strategic accounts. The customer base spans energy suppliers and district heating operators, building automation integrators, and property managers across residential, commercial, and infrastructure deployments. Revenue is generated primarily through hardware sales of meters and radio modules with a smaller recurring layer from the Sonexa platform, while pricing is not publicly disclosed and customer engagement is handled via the partner channel.
Sontex firmographics
Firmographics- Name
- Sontex
- Legal name
- Sontex SA
- Website
- https://sontex.ch
- Company type
- Private
- Founded year
- 1989
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Sontex SA is a privately-held Swiss manufacturer of thermal energy meters, ultrasonic water meters, heat cost allocators, and radio readout infrastructure, sold via a 30+ country partner network to energy suppliers, building automation integrators, and property managers.
- Ownership category
- akta.pro rank
Sontex industry classification
Industry- Product category
- Energy Metering Equipment
- NAICS
- Totalizing Fluid Meter and Counting Device Manufacturing (334514), Other Measuring and Controlling Device Manufacturing (334519)
- SIC
- Industrial Instruments For Measurement, Display, And Control (3823), Services-Testing Laboratories (8734)
- akta.pro primary industry
- Customer Premise Equipment Interfaces (Regulators, ERTs/Modules & Indoor/Outdoor Meter Sets) (EUAJACAE)
- akta.pro secondary industries
- Asset & Maintenance Management (EAM/CMMS) Platforms (HDAEAEAM), Water Testing Kits & Monitoring (Household) (CRAJAJAL)
Keywords
Where Sontex is headquartered
LocationHeadquarters
- HQ city
- Sonceboz
- HQ country
- Switzerland
- HQ region
- Europe
Offices1 record
Markets served
Sontex business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales
Revenue model
- Heat Meters and Thermal Energy Meters: Sale of thermal energy meters (Supercal, Superstatic series) for heating and cooling applications in building technology, automation, and heating networks. Products meet MID 2014/32/EU and EN 1434 standards.
- Heat Cost Allocators: Sale of electronic heat cost allocators (565, 566, 868, 878 series) for fair cost allocation in residential and commercial properties. Includes radio-enabled versions for remote reading.
- Electronic Water Meters: Sale of Superaqua ultrasonic water meters (Superaqua 1, 3, 5) with wireless connectivity for commercial and utility deployments.
- Radio Modules and Communication Equipment: Sale of radio modules (Supercom series) for retrofitting existing water meters and smoke detectors, enabling remote reading capability. Includes concentrators and repeaters.
- Sonexa Platform Subscription: Web-based platform service for consumption data management and AES key administration with 24/7 accessibility. Likely subscription-based for data management and key management services.
Go-to-market motion2 records
Distribution channels1 record
Marketing channels5 records
Sontex product offering
Product offeringCore offering
Sontex develops and manufactures measurement systems for energy consumption data, including thermal energy meters, ultrasonic water meters, heat cost allocators, and radio communication modules. The company's products enable accurate billing, monitoring, and allocation of heating and water usage in residential and commercial buildings. A companion software platform (Sonexa) supports data management, analysis, and integration with energy supplier and building management systems.
Product overview
Sontex offers a comprehensive metering product portfolio centered on thermal energy meters (Supercal, Superstatic families), ultrasonic water meters (Superaqua series), and heat cost allocators (Sontex 565/566/868/878). These hardware products integrate through a range of radio modules (Supercom family supporting Sontex Radio, wM-Bus/OMS, and LoRaWAN protocols) and are managed via the Sonexa cloud platform for automated data readout. The ecosystem includes walk-by readout solutions (Supercom 636/637), gateway solutions (Superlink C), and software tools (Tools Supercom) for configuration and billing integration. Products support BACnet and Modbus for building automation integration, with communication options spanning wireless (LoRaWAN, wM-Bus, Sontex proprietary radio) and wired (M-Bus) protocols.
Differentiator
Problem solved
Functional benefit
Brands
- Supercal: Thermal energy meter product family for various flow rates, including Supercal 5, Supercal 5S, Supercal 739, and Supercal 531 (end of life).
- Superstatic
- Superaqua
- Supercom
- Superlink C
- Sonexa Platform
- Sontex 565/566/868/878
Products and services
- Supercal Thermal Energy Meters Thermal energy meters for accurate measurement of heat and cooling consumption in residential, commercial, and district heating systems. Used by energy suppliers, facility managers, and building operators for billing and monitoring.
- Superstatic Thermal Energy Meters Static (no moving parts) thermal energy meters designed for long-term reliability and measurement accuracy in heating/cooling applications.
- Superaqua Ultrasonic Water Meters Ultrasonic water meters for cold and hot water consumption measurement, with no moving mechanical parts, targeted at utilities and building owners for billing and consumption monitoring.
- Heat Cost Allocators (565/566/868/878 series) Electronic heat cost allocators used to apportion heating costs in multi-apartment buildings based on individual radiator usage.
- Supercom Radio Modules Wireless radio communication modules that enable remote and automated reading of Sontex meters and allocators across building and district networks.
- Sonexa Software Platform Software platform for configuring, reading, and analyzing data from Sontex metering devices, supporting billing, energy monitoring, and integration with utility and building management systems.
Quantifiable outcome
- No recalibration required for over 10 years due to static measurement principle with no moving parts
- +2 more outcomes
Companies that use Sontex
Customer profileNamed customers10 records
Segments3 records
Ideal customer profiles2 records
Sontex technology and API
TechnologyTechnology focussed No
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration9 records
Feature7 records
Sontex partnerships and signals
Strategic signalPartnerships
15 partnerships are on record, tiered core and regional.
- AquacoreEuropean association of water and heat meter manufacturers. Sontex is a member, enabling industry collaboration, standards influence, and market intelligence sharing.
- BACnet InternationalcoreBACnet Testing Laboratories member. Ensures interoperability of Sontex products (Supercal 5) with BACnet building automation networks. Products carry BTL certification and listing.
- HLK StuttgartcoreTesting institute and approval office for heat cost allocators. Provides certification and testing services for Sontex heat cost allocator products.
- LoRa AlliancecoreLoRa Alliance member. Enables integration of LoRaWAN technology in Sontex devices (Sontex 878, Supercom W1-L, Supercom W2-L, Supercom P) for long-range, low-power IoT communication.
- OMS (Open Metering System)coreInterest group member for Open Metering System Specification. Sontex products (Supercom 637, Sontex 868) support OMS standard for interoperability in metering applications.
- Armatec (Sweden)regionalRegional distribution partner for Sontex products in Sweden.
- ANTAP (Poland)regionalRegional distribution partner for Sontex products in Poland.
- Aquaflow (Norway)regionalRegional distribution partner for Sontex products in Norway.
- Belimo (Asia-Pacific)regionalRegional distribution partner covering Australia, China, India, Indonesia, Japan, Korea, Malaysia, and Singapore.
- Elster (France, Netherlands)regionalRegional distribution partner for Sontex products in France and Netherlands.
- DMS (UK, Ireland)regionalRegional distribution partner for Sontex products in United Kingdom and Ireland.
- Enbra (Czech Republic, Poland, Slovakia)regionalRegional distribution partner covering Czech Republic, Poland, and Slovakia.
- Saif International (Middle East)regionalRegional distribution partner covering Egypt, Iraq, Jordan, Saudi Arabia, Turkey, and United Arab Emirates.
- Sontex EU (Germany)regionalRegional subsidiary partner for Sontex products in Germany.
- Sontex ItalyregionalRegional subsidiary partner for Sontex products in Italy.
Scale indicators4 records
Recent moves7 records
Expansion highlights6 records
Sontex competitors and assessment
Company assessmentBroad incumbents
- Itron: Global smart-infrastructure incumbent with broad electricity, gas, water and heat metering plus AMI/head-end systems; competes with Sontex primarily in large utility tenders and through thermal energy metering for district heating.
- Landis+Gyr: Swiss-headquartered metering and grid intelligence giant (electricity primary, expanding into water and heat); overlaps with Sontex in buildings and district heating use cases but at much larger scale and broader portfolio.
Direct peers
- Badger Meter: US-headquartered flow measurement and control specialist focused on ultrasonic and electromagnetic water meters; a direct competitive reference for Sontex's Superaqua ultrasonic line in commercial and utility deployments.
- Kamstrup: Danish manufacturer of ultrasonic heat meters, cooling meters and smart water meters with matching multi-protocol radio and cloud data management, serving the same energy supplier, district heating and building automation customers as Sontex.
- Zenner: German manufacturer of heat meters, HCA and (ultrasonic) water meters, with strong German and Eastern European distribution; closest mid-sized direct competitor to Sontex on hardware range, IoT integration and channel go-to-market.
- Diehl Metering: German headquartered manufacturer of heat meters (including fluidic-oscillation products), water meters, HCA and AMI/radio systems; competes head-to-head with Sontex in district heating, property and utility tenders across Europe.
- Apator Metrix: Polish manufacturer of heat meters, water meters and HCA distributed across Central and Eastern Europe; competes with Sontex's channel-partner lines (ANTAP, Enbra, Ciesla) in overlapping CEE tenders.
- Engelmann Sensor / Qundis: Manufacturer of electronic heat cost allocators, heat and water meters with wM-Bus/OMS and LoRaWAN radio; directly overlaps Sontex's HCA (Sontex 565/566/868/878) and Superaqua portfolios for property and building automation use cases.
Emerging players
- Axioma Metering: Lithuanian ultrasonic water and heat meter maker with LoRaWAN/wM-Bus connectivity; comparable product architecture to Sontex Superaqua/Superstatic but at smaller scale and primarily regional reach.
- Wecan Meter: Chinese manufacturer of ultrasonic cold/hot water and heat meters with multi-protocol radio; cost-competitive emerging player increasingly relevant to Sontex's APAC and Eastern European expansion via Belimo and partner channels.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Sontex social profiles
Digital presenceSontex compliance and trust
Trust signalCompliance6 records
Sontex financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sontex leadership team
Management profileNumber of profiles
Sontex funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sontex M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sontex
What does Sontex do?
Sontex develops and manufactures measurement systems for energy consumption data, including thermal energy meters, ultrasonic water meters, heat cost allocators, and radio communication modules. The company's products enable accurate billing, monitoring, and allocation of heating and water usage in residential and commercial buildings. A companion software platform (Sonexa) supports data management, analysis, and integration with energy supplier and building management systems.
Is Sontex a public or private company?
Sontex is a private company. It is classified as management employee owned and is currently operating.
When was Sontex founded?
Sontex was founded in 1989. It employs 101 to 250 people.
Where is Sontex based?
Sontex is headquartered in Sonceboz, Switzerland, in the Europe region.
How does Sontex make money?
Five revenue lines are on record. Heat Meters and Thermal Energy Meters are the primary driver. The others are heat Cost Allocators, electronic Water Meters, radio Modules and Communication Equipment and sonexa Platform Subscription.
Who are Sontex's main competitors?
Broad incumbents on record are Itron and Landis+Gyr. Direct peers are Badger Meter, Kamstrup, Zenner, Diehl Metering, Apator Metrix and Engelmann Sensor / Qundis. Emerging players are Axioma Metering and Wecan Meter.
Does Sontex have an API?
Yes. The Sonexa Platform provides access to metering data via modern interfaces including API and message queue for flexible system integration and further processing.
What industry is Sontex in?
Sontex's product category is Energy Metering Equipment. Its primary akta.pro industry code is EUAJACAE, Customer Premise Equipment Interfaces (Regulators, ERTs/Modules & Indoor/Outdoor Meter Sets), with a secondary code of HDAEAEAM, Asset & Maintenance Management (EAM/CMMS) Platforms. Its NAICS code is 334514 and its SIC code is 3823.