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# GWF

> GWF AG is a Swiss family-owned manufacturer of measurement and control technology and digital platforms for water, gas, district heating, and electricity utilities, founded in 1899 and headquartered in Lucerne.

GWF operates as a vertically integrated supplier covering ultrasonic flow meters, encoder-based water and gas meters, an IoT data platform, head-end systems for smart electricity meters, leakage reduction analytics, water quality monitoring, and hydrogen-readiness engineering services. The group has around 350 employees across nine locations, serves customers in more than fifty countries, and holds over 150 patents. Production and R&D are based in Lucerne, with an additional R&D center in Thessaloniki. In addition to its in-house brands (SONICO, GWFcoder, UNICOcoder, MTKcoder, Meistream, Meitwin, DUCTUS, KANALIS, FLUVIUS, Q-Eye, RCM, INFINIO, Symbiot), GWF distributes selected OEM products from Kamstrup (Multical, Ultraflow), Badger Meter (ModMAG), and Krohne (OPTIFLUX) under partnership agreements. Memberships include the OMS Group, LoRa Alliance, AquaEuropa, Swiss Water Partnership, German Water Partnership, AWS, Swissmem, and the UN Global Compact Switzerland and Liechtenstein. Relevant regulatory context spans MID 2014/32/EU, OIML R49, EN 14154, MessEG (Germany), and the Swiss Eichgesetz. The website is primarily in German.

## Digital Platforms

- [UDRIVE](https://gwf-group.com/en/solution/udrive/): Drive-by mobile meter reading software for water, gas, and heat meters with import and export to common ERP billing systems
- [STREAM](https://gwf-group.com/en/solution/stream/): IoT platform for continuous water, gas, and heat consumption data over LoRaWAN and NB-IoT with dashboards, Excel export, and API
- [REALSET](https://gwf-group.com/en/solution/realset/): Meter2Data solution for secure water and energy billing inside multi-tenant buildings
- [BALANCE](https://gwf-group.com/en/solution/balance/): Pressure and flow analytics service that reduces non-revenue water in distribution networks by an average of 35 percent
- [UNIMON](https://gwf-group.com/en/solution/unimon/): Water and wastewater quality monitoring and alerting solution
- [KOPR](https://gwf-group.com/en/solution/kopr/): AI-based digital twin of the electricity distribution grid for distribution network operators
- [SYMBIOT HES](https://gwf-group.com/en/solution/symbiot-hes/): Head-end system for smart electricity meters deployed on premise
- [SYMBIOT SaaS](https://gwf-group.com/en/solution/symbiot-software-as-a-service/): Head-end system for smart electricity meters delivered as software as a service

## Measurement Products

- [SONICO NANO](https://gwf-group.com/en/solution/sonico-nano/): Static ultrasonic domestic water meter for DN15 to DN40, MID rated up to R2000, with NFC and encrypted wireless interfaces
- [SONICO EDGE](https://gwf-group.com/en/solution/sonico-edge/): Ultrasonic flow meter for drinking, industrial, and service water from DN50 to DN300 with hot-swappable communication modules (pulse, 4-20 mA, Modbus RTU/ASCII, ECO)
- [DUCTUS](https://gwf-group.com/en/solution/ductus/): Multi-path acoustic transit-time flow measurement for large diameter pressure pipes, water mains, and hydropower penstocks
- [Q-Eye Radar](https://gwf-group.com/en/solution/q-eye-radar/): Stationary radar level and flow monitoring for open channels and partially filled pipes
- [Q-Eye PSC](https://gwf-group.com/en/solution/q-eye-psc/): Doppler ultrasonic flow measurement for full pipes, partially filled pipes, and open channels
- [FLUVIUS](https://gwf-group.com/en/solution/fluvius/): Water level and discharge measurement for hydrological monitoring stations
- [KANALIS](https://gwf-group.com/en/solution/kanalis/): Stationary time-of-flight ultrasonic flow meter for open channels in sewer networks

## Application Solutions

- [HYDRO^](https://gwf-group.com/en/solution/hydro/): Engineering, installation, and operation of penstock flow measurement systems for hydropower plants, including Winter-Kennedy field testing
- [H2 READY](https://gwf-group.com/en/solution/h2-ready/): Engineering analysis assessing hydrogen compatibility of gas pressure regulating and metering installations
- [GASCARE](https://gwf-group.com/en/solution/gas-measurement-maintenance-package/): Service and maintenance contract for gas pressure regulating and metering installations
- [LoRaWAN Rollout](https://gwf-group.com/en/solution/lorawan/): Planning and rollout of LoRaWAN networks for water, gas, and heat metering deployments
- [All Solutions Index](https://gwf-group.com/en/solutions/): Complete catalogue of digital, application, and product solutions

## Industries Served

- [Water Utilities](https://gwf-group.com/en/customers/water-supplier/): End-to-end metering, leak reduction, and network monitoring for drinking water utilities
- [Wastewater Management](https://gwf-group.com/en/customers/wastewater-management/): Flow and level instrumentation for sewer networks and wastewater treatment plants
- [Gas Utilities](https://gwf-group.com/en/customers/gas-supplier/): Gas and hydrogen flow measurement, pressure regulation, and H2 readiness engineering
- [District Heating](https://gwf-group.com/en/customers/district-heating-supplier/): Heat metering and control equipment for district and local heating networks
- [Building Services](https://gwf-group.com/en/customers/building-technology/): Energy submetering and billing solutions for property management and building automation
- [Electricity Utilities](https://gwf-group.com/en/customers/power-plants/): Smart metering, head-end systems, and grid digital twin solutions
- [Hydropower](https://gwf-group.com/en/customers/hydropower/): Acoustic flow measurement for hydropower plant control, turbine efficiency, and pipe-burst detection
- [Irrigation](https://gwf-group.com/en/customers/irrigation/): Flow and control equipment for agricultural irrigation systems
- [Hydrology](https://gwf-group.com/en/customers/hydrology/): Water level and discharge measurement for hydrological monitoring
- [Industry](https://gwf-group.com/en/customers/industry/): Process flow, gas, and energy measurement equipment for industrial sites
- [All Customer Segments](https://gwf-group.com/en/customers/): Overview of all ten served industry segments

## Documentation and Technical Resources

- [Product Finder](https://productfinder.gwf.ch/en/): Public technical catalogue of all GWF and OEM measurement products with filters for medium, technology, and communication interface (separate domain with its own llms.txt)
- [Downloads](https://gwf-group.com/en/download/): Datasheets, manuals, brochures, and technical documentation library
- [Knowledge](https://gwf-group.com/en/news-events/knowledge/): White papers and reference project descriptions on metering and network management
- [Academy](https://gwf-group.com/en/news-events/knowledge/): Training seminars on metering technology, billing, and network operations

## Locations

- [Switzerland](https://gwf-group.com/en/location/switzerland/): Headquarters at Obergrundstrasse 119, 6005 Lucerne with R&D and production, plus sales and service site in Puidoux
- [Austria](https://gwf-group.com/en/location/austria/): Sales and service subsidiary in Vienna
- [Germany](https://gwf-group.com/en/location/germany/): Sales and service subsidiary in Kaufbeuren
- [United Kingdom and Ireland](https://gwf-group.com/en/location/uk-and-ireland/): Sales and service subsidiary in Bedford
- [Central and Eastern Europe](https://gwf-group.com/en/location/central-and-eastern-europe/): Sales and service subsidiary in Poznań, Poland
- [Greece](https://gwf-group.com/en/location/greece/): Research and development center plus sales site in Thessaloniki
- [North America](https://gwf-group.com/en/location/north-america/): Sales and service subsidiary in Ocala, Florida
- [Central and South America](https://gwf-group.com/en/location/central-and-south-america/): Sales and service representation for Central and South America
- [All Locations](https://gwf-group.com/en/locations/): Overview of all nine GWF locations

## Company

- [About GWF](https://gwf-group.com/en/company/about-us/): Company profile, leadership team (CEO Florian Strasser, COO Marc Sebald, CSO Markus Neuhaus), milestone timeline since 1899, and key facts and figures
- [Innovation](https://gwf-group.com/en/company/innovation/): GWF 4D Technology (Time-Reverse-Acoustics), GWFcoder encoder system, INFINIO cloud ecosystem, and the SONICO test stands LUZ1 and LUZ21 in Lucerne
- [Contact](https://gwf-group.com/en/contact/): Contact form and global locations directory

## Optional

- [News](https://gwf-group.com/en/news-events/news/): Press releases, case studies, and product announcements
- [Events](https://gwf-group.com/en/news-events/events/): Upcoming trade fairs, conferences, and exhibitions
- [Careers](https://gwf-group.com/en/company/career/): Information on working at GWF
- [Legal Notice](https://gwf-group.com/en/imprint/): Imprint and corporate identification
- [Privacy Policy](https://gwf-group.com/en/data-protection/): Privacy policy referencing revDSG and GDPR scope
- [Terms and Conditions](https://gwf-group.com/en/terms-and-conditions/): General terms and conditions