What Acoem Group does

Acoem Group is a privately held French-headquartered technology company that designs, manufactures, and services AI-powered sensors, instruments, and software platforms for environmental monitoring, industrial reliability, and acoustic threat detection. Its product portfolio spans continuous emissions monitoring systems (Serinus gas analysers, Aurora nephelometers, HiVol samplers, DSL dust and particulate monitors, Spectronus FTIR greenhouse gas analyser), tunnel atmosphere sensors (VICONOX, AIRFLOW MkII, CROSSFLOW, LUMIOS MkIII), and condition-monitoring hardware (Falcon portable analyser, Eagle and Sparrow wireless sensors, MV-x real-time monitoring, Fixturlaser and VibrAlign shaft alignment tools). The proprietary Accurex AI engine, embedded across these products and unified through the NESTi4.0 predictive maintenance software platform with OPC UA connectivity, provides automatic fault diagnosis, bearing defect detection, and predictive maintenance recommendations. Acoem operates 28 offices, 8 manufacturing facilities, and 5 R&D centres in 11 countries, supported by a network of 200+ distributors, serving enterprise customers in cement, mining, steel, refining, nuclear, automotive, paper, energy, and government environmental agencies, with NATA/ISO 17025 accredited calibration, managed monitoring services, and multi-year quote-based contracts forming the commercial backbone.

Name

Acoem Group

Legal name

ACOEM France

Website

https://acoem.com

Company type

Private

Founded year

2011

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Acoem Group is a France-based provider of AI-powered sensors, instruments, and software for environmental monitoring, industrial condition monitoring, and acoustic threat detection, serving industrial enterprises, government agencies, and infrastructure operators across 80+ countries via 28 offices and 200+ distributors.

Ownership category

akta.pro rank

Headquarters

HQ city

Limonest

HQ country

France

HQ region

Europe

Offices9 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Environmental Monitoring Equipment: Sale of monitoring hardware including air quality analysers (Serinus suite), particulate monitors, nephelometers, gas analysers, dust monitors, opacity monitors, noise and vibration monitoring stations, tunnel sensors, and continuous emission monitoring systems
2. Industrial Reliability Hardware & Software: Sale of condition monitoring equipment including portable analysers (Falcon), online monitoring systems (MV-x, Eagle), wireless sensors (Sparrow), shaft alignment tools (Fixturlaser), machine tool measurement (MEAX), and associated NESTi4.0 software platform licences
3. Services & Maintenance: Recurring revenue from calibration services, NATA/ISO 17025 accredited maintenance and reporting, reliability consulting, reliability training, and installation/commissioning services
4. Managed Services: Fully managed monitoring services where Acoem operates and maintains monitoring stations on behalf of customers including government agencies and industrial facilities, providing ongoing data reporting and compliance documentation
5. Acoustic Threat Detection Systems: Sale of ATD (Acoustic Threat Detection) systems for gunshot detection and urban noise monitoring, positioned within the security solutions portfolio and competing in the global gunshot detection market alongside ShotSpotter and Raytheon

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels8 records

Core offering

Acoem Group designs, manufactures, and services AI-powered sensors, monitoring instruments, and integrated ecosystems for environmental monitoring (air quality, continuous emissions, tunnel atmosphere, noise), industrial reliability (vibration monitoring, predictive maintenance, shaft alignment, machine tool measurement), and acoustic threat detection (gunshot detection, urban noise radar). Products are sold as hardware systems, licensed software (NESTi4.0 platform, Accurex™ AI), and recurring services including NATA/ISO 17025 accredited calibration and managed monitoring. The company operates 8 manufacturing facilities and serves customers in 80+ countries through 28 offices and 200+ distributors.

Product overview

Acoem Group is a global technology company offering AI-powered sensors and ecosystems for environmental monitoring, industrial reliability, and security solutions. Headquartered in Limonest, France with 900+ employees across 28 offices, 8 manufacturing facilities, and 5 R&D centres in 11 countries. The company operates a platform-plus-modules architecture consisting of Accurex™ AI as the core AI engine powering condition monitoring and predictive maintenance solutions, with 14 acquired legacy brands (Metravib, 01dB, Ecotech, Dynoptic Systems, VibrAlign, Fixturlaser, Meax, Met One Instruments, Air Monitors, Tunnel Sensors, OneProd, JCTM, Benchmark Reliability Services, Reliability Point) each contributing specialized product lines. The environmental monitoring portfolio includes Serinus™ gas analysers, HiVol 3000 samplers, Spectronus™ greenhouse gas analysers, Aurora™ nephelometers, Congrego® data loggers, continuous emission monitors (DSL-800, DSL-340), and tunnel sensors (VICONOX, AIRFLOW MkII, CROSSFLOW, LUMIOS MkIII). Industrial reliability products include FALCON portable analyser, EAGLE wireless sensor, MV-x real-time monitor, Sparrow wireless sensor, NESTi4.0 predictive maintenance platform, Cadence™ environmental software, and the Acoem Wireless Ecosystem. Security solutions include ATD acoustic threat detection systems and Noise Radar for urban monitoring. The company formed in 2011 and unified under the Acoem brand in 2012.

Differentiator

Problem solved

Functional benefit

Brands

• Metravib: Acoustic & vibration engineering for defence, aerospace, automotive industries. Founded 1969 in France.
• 01dB
• Ecotech
• Dynoptic Systems
• Reliability Point
• VibrAlign
• Fixturlaser
• MEAX
• Met One Instruments
• Air Monitors Ltd
• Tunnel Sensors
• OneProd
• JCTM
• Benchmark Reliability Services

Products and services

• FALCON portable vibration analyser Portable, lightweight all-in-one vibration monitoring tool with embedded Accurex™ AI automatic diagnostics, 3-axis wireless sensor, built-in strobe, laser pyrometer, camera, and 4 analogue channels; used by reliability engineers and condition monitoring technicians for early fault detection on rotating machinery.
• EAGLE wireless IIoT vibration sensor Smart wireless automatic remote diagnostic solution eliminating cables and manual inspections; sensors and expanders certified for explosive Zone 0 environments and resistant to corrosive atmospheres, with AI-powered analysis through NEST i4.0.
• MV-x real-time online vibration monitoring system Top-of-the-line AI-enabled vibration analysis tool with real-time edge computing that pinpoints source, direction, and intensity of machinery vibration; designed for complex critical applications with Industry 4.0 and cybersecurity compliance.
• SPARROW wireless sensor for balance-of-plant assets Innovative, cost-effective wireless sensor for effective monitoring of balance-of-plant (BoP) assets, powered by standard replaceable battery and integrated with NESTi4.0 for real-time insights and proactive decision-making.
• Bearing Defender mobile app Mobile app maximising bearing life and optimising machine performance with fast, simple first-level bearing health assessment; suitable for early detection on electric motors, pumps, fans, gearboxes, and compressors.
• Machine Defender tablet app Tablet-based instant machinery diagnostics tool with precise wireless measurement, AI diagnostics, QR code machine identification, 3D graphics, and high-definition photography for detailed reporting.
• NESTi4.0 predictive maintenance software platform AI-powered predictive maintenance software platform connecting digital factory with the Accurex™ AI ecosystem; works with FALCON, Machine Defender, EAGLE, and MV-x solutions and features Accurex™ Matrix, Machine Health Matrix, Shock Finder™ Index, Bearing Defect™ Factor, HarmoniX™ Index, and OPC UA data connectivity; cybersecurity compliant.
• VICONOX tunnel atmosphere monitor All-in-one tunnel atmosphere monitor measuring NO2, NO (NOx), CO, visibility, and temperature for road traffic tunnels, rail tunnels, or confined spaces; supports ventilation control and secondary smoke detection.
• AIRFLOW MkII ultrasonic airflow monitor Ultrasonic time-of-flight airflow monitor for air quality management in tunnels, rail/cable tunnels, and mining applications; no moving parts, self-contained intelligent analyser with SCADA/PLC interfaces.
• CROSSFLOW airflow monitor for bidirectional tunnels Airflow monitor for measuring speed and direction in multi-lane and bidirectional tunnels using ultrasonic transit time measurements between transceivers.
• LUMIOS MkIII tunnel luminance photometer Luminance photometer measuring brightness at tunnel entrances and exits to maintain driver visual perception, integrating with tunnel lighting systems with viewing angles from 10° to 40°.
• Serinus™ gas analyser suite Gas analyser suite covering hydrogen sulfide (H2S), sulfur dioxide (SO2), oxides of nitrogen (NO, NO2, NOx), and carbon monoxide (CO) for ambient air quality monitoring; deployed in government ambient air monitoring networks.
• HiVol 3000 high-volume air sampler High volume air sampler for continuous, real-time, and remote sampling of PM2.5, PM10, or TSP particulate matter across urban air quality networks with advanced flow control and data logging; US EPA approved.
• Spectronus™ FTIR greenhouse gas analyser Multispecies greenhouse and atmospheric trace gas and isotope analyser based on Fourier Transform Infrared (FTIR) spectroscopy, ICOS-approved for measuring greenhouse gases; co-developed with University of Wollongong.
• Aurora™ integrating nephelometers Integrating nephelometers certified as accredited instruments for use across Europe's Aerosol, Clouds & Trace Gases Research Infrastructure (ACTRIS) facilities.
• Congrego® environmental data logger Data logger designed specifically for environmental monitoring, integrating with Ecotech monitoring instruments to capture and store data for precise reporting with ISO 17025 traceability.
• DSL-800 dust monitor Dust monitor for continuous, reliable performance in industrial environments; part of Dynoptic's particulate monitoring devices for continuous emission monitoring.
• DSL-340 particulate monitor Particulate monitor for continuous emission monitoring applications, providing reliable performance in various industrial environments.
• ATD acoustic threat detection system Acoustic Threat Detection system for gunshot and explosion detection in security applications, utilising advanced acoustic sensor technology with a 42.1% market share in the gunshot detection systems market.
• ATD Portable acoustic threat detection system Portable acoustic threat detection system for mobile gunshot and explosion detection applications.
• Noise Radar urban noise monitoring system Urban noise monitoring system for city noise management and enforcement applications.
• Cadence™ environmental monitoring software platform Environmental monitoring software platform providing holistic overview of monitoring data across multiple sites worldwide.
• Aerovision environmental visualization platform Environmental monitoring visualization platform for air quality and environmental data display.
• Acoem Wireless Ecosystem IIoT platform Scalable IIoT wireless sensor ecosystem for industrial reliability monitoring, enabling wireless vibration monitoring across plant operations.
• Accurex™ AI diagnostic ecosystem AI ecosystem powering automatic diagnostics across FALCON, EAGLE, MV-x, Sparrow, and NESTi4.0 products; provides instantaneous diagnostic results including problem location, affected machines, and fault identification in real time.
• OPX 1025 optical PM mass monitor Optical particulate matter mass monitor for ambient air quality monitoring, providing continuous, real-time measurement of PM concentrations.
• Metravib acoustic and vibration engineering solutions Acoustic and vibration engineering brand specialising in industrial acoustics, vibration, material testing, and durability; developed Dynamic Mechanical Analysis instruments for polymer and rubber industries and gunshot detection technology for defence applications.
• Acoem calibration and accredited maintenance services NATA/ISO 17025 accredited calibration services, maintenance, reliability consulting, reliability training, and installation/commissioning services for environmental and industrial monitoring equipment.
• Acoem managed environmental monitoring services Fully managed monitoring services where Acoem operates and maintains monitoring stations on behalf of customers including government agencies and industrial facilities, providing ongoing data reporting and compliance documentation.

Quantifiable outcome

• EUR 900,000 production losses avoided at ArcelorMittal steel facility through predictive vibration analysis
• +9 more outcomes

Named customers23 records

Segments8 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability5 records

Feature6 records

Partnerships

Three partnerships are on record, tiered minor and core.

• Hebei SailherominorStrategic or Co-development Partner · 1 January 2011Manufacturing partnership established in 2008 between Ecotech and Hebei Sailhero to manufacture gas analysers in China. This partnership enabled Ecotech to expand production capacity and localise products for the Chinese market while maintaining technology leadership in air quality monitoring.
• University of Wollongong / Prof. David GriffithcoreStrategic or Co-development Partner · 1 January 2011Strategic partnership with Professor David Griffith and the University of Wollongong to co-develop the Spectronus greenhouse gas and isotope analyser. This collaboration brought together academic expertise in atmospheric science with Ecotech's engineering capabilities, resulting in the only multispecies FTIR-based greenhouse gas analyser, ICOS-approved for compliant greenhouse gas measurements worldwide.
• SI Analytics (Pty) LtdminorChannel Partner/ Reseller/ DistributorSouth African distributor of Acoem products and services, responsible for installing and maintaining ambient air monitoring stations on behalf of Acoem. Installed two background monitoring stations for the South African Weather Service in the Karoo and Waterberg regions.

Scale indicators10 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• AMETEK (Process & Analytical Instruments): Process and analytical instrumentation group covering gas analysis, emissions monitoring, and laboratory instruments — broader portfolio competing with Acoem's environmental monitoring stack including FTIR-based Spectronus analyzers.
• Honeywell Process Solutions: Broad industrial automation incumbent offering emissions monitoring, gas detection, and asset reliability software — competes with Acoem at the enterprise level across refining, petrochemicals, and heavy industry.
• Endress+Hauser: Much larger process measurement specialist selling gas analyzers, flow and environmental instrumentation globally — a broad incumbent that overlaps with Acoem's Serinus, Spectronus, and Dynoptic emissions-monitoring product lines.
• Emerson (Rosemount / NI): Global automation incumbent with overlapping measurement and analytical instrumentation portfolios (Rosemount gas analysis, AMS reliability suite) — competes with Acoem's CEMS and reliability offerings for the same heavy-industrial accounts.
• Siemens (Process Automation / Sitrans): Major automation vendor with overlapping CEMS, gas analytics, and industrial condition monitoring offerings — competes with Acoem in large integrated plant opportunities and digital factory roadmaps.

Direct peers

• SKF (Condition Monitoring): Direct competitor in industrial condition monitoring and predictive maintenance — overlapping with Acoem's Falcon, MV-x, Eagle, and NESTi4.0 solutions for rotating machinery reliability across manufacturing, mining, and energy.
• Banner Engineering: Industrial wireless sensor and IIoT monitoring specialist — competing with Acoem's wireless vibration and IIoT product family in factory and process automation applications.
• Schaeffler Group (FAG / OPTIME): Condition monitoring and bearing diagnostics player — competing with Acoem's wireless sensor portfolio (Eagle, Sparrow) and Accurex AI bearing-defect diagnostics across industrial manufacturing customers.
• ShotSpotter (SoundThinking): Direct competitor in acoustic gunshot detection and urban noise monitoring — explicitly listed alongside Acoem as a named player in the global gunshot detection system market.
• HBK (Brüel & Kjær): Direct competitor in vibration, noise and acoustic measurement instrumentation for industrial, environmental, and aerospace applications — overlap with Acoem's 01dB/Metravib portfolio of sound level meters, vibration monitoring stations, and acoustic threat detection.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/acoemgroup
• Facebookfacebook.com/profile.php
• LinkedInlinkedin.com/company/acoemgroup

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries14 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Acoem Group