What CESVA does

CESVA instruments s.l.u is a Barcelona-based manufacturer of precision acoustic measurement instruments founded in 1969, operating as a privately-held Sociedad Limitada Unipersonal. The company designs, manufactures, and sells Class 1 and Class 2 sound level meters (SC420, SC250, SC202), noise monitoring sensors (TA120, TA150) with IP65 protection and multi-connectivity (Ethernet, Wi-Fi, 4G, PoE), acoustic limiters (LF010, LP001, LP002, RS-60), calibrators (CB011, CB012), vibrometers (VC431), sound sources (FP122, BP012, AP602, MI006), and transducer accessories. Products are certified to IEC 61672-1, IEC 61260, IEC 60529, ISO 16283, ISO 717, and ISO 140, with CE compliance and ISO 9001 quality management. The technology stack extends beyond hardware into proprietary software: NoisePlatform (cloud-based intelligent noise management with AI-based event tagging and Telegram/App push notifications), LIDACO (cloud limiter management), CIS02 CESVA Insulation Studio (multi-country building acoustics reporting), CESVA Lab, Studio Editor, and Limiter Manager.

The company serves five primary use cases: building acoustics and sound insulation testing, environmental and smart city noise monitoring, industrial noise and vibration measurement, leisure and entertainment venue noise control (via limiters), and vehicle exhaust noise testing. Its customer base spans acoustic consultants, laboratories, municipalities, environmental agencies, industrial hygienists, and venue operators. Revenue is generated through hardware sales (the dominant stream), one-time PC software licenses, recurring cloud subscriptions (LIDACO, NoisePlatform), technical support and repair services, and periodic training courses. Distribution is conducted via direct sales through a multilingual website (Spanish, English, Catalan, French, Portuguese) plus a network of industrial sector representatives, with no disclosed third-party logistics or platform marketplace dependency. Integrations with open-source Smart City platforms (Sentilo, FIWARE, Telefonica, SmartyPlanet) and documented HTTP/HTTPS APIs (UL2.0/JSON) indicate an ecosystem-oriented go-to-market targeting municipal and infrastructure buyers.

CESVA's operating posture is that of a long-tenured specialist: stable private ownership, no disclosed funding rounds, no parent company, and continuous product iteration focused on regulatory-grade precision and IoT-enabled monitoring. Headcount is in the 11-50 range, consistent with a focused mid-sized manufacturer rather than a scale-stage enterprise. Recent strategic emphasis has been on converting the installed hardware base into a recurring cloud and AI-enhanced software platform, exemplified by the TA150 sensor's AI-based event tagging, the NoisePlatform mobile app, Telegram alerts, and ongoing API/IoT integration work.

Name

CESVA

Legal name

CESVA instruments s.l.u

Website

https://cesva.com

Company type

Private

Founded year

1969

Operating status

Operating

Headcount range

11–50 employees

Short description

CESVA instruments s.l.u is a Barcelona-based manufacturer founded in 1969 that designs and sells Class 1 precision acoustic measurement instruments, noise monitoring sensors, limiters, and proprietary cloud and PC software, serving acoustic consultants, municipalities, industrial hygienists, and entertainment venues.

Ownership category

akta.pro rank

Product category

Acoustic Measurement Instruments

NAICS

Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345), Audio and Video Equipment Manufacturing (33431)

SIC

Laboratory Analytical Instruments (3826), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Pro Audio Equipment (Mics, Interfaces, Mixers, Studio Monitors) (MPAIAJAB)

Keywords

• Acoustic measurement instruments
• Sound level meters
• Noise monitoring sensors
• Building acoustics testing
• Environmental noise mapping

Headquarters

HQ city

Barcelona

HQ country

Spain

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hardware Instruments Sales: Sale of precision acoustic measurement instruments including sound level meters (SC420, SC250, SC202), Class 1 and Class 2 calibrators, vibrometers, noise sensors (TA120, TA150), sound sources, and limiter-recorders. One-time hardware purchase model with optional accessories and replacement transducers.
2. PC Software Licenses: Sale of PC software including CESVA Lab (data visualization and analysis), CESVA Insulation Studio (acoustic insulation calculations), Studio Editor (data editing), and Limiter Manager (limiter data management). Software is downloadable from the website and available for Windows.
3. LIDACO Cloud Platform: Online platform for managing noise-generating activities through connected limiter-registers. Provides cloud data storage, automatic incident analysis, and remote programming capabilities for venues and municipalities.
4. Technical Support and Repair Services: Product technical assistance, repair services, and calibration verification. The company provides product support, downloads, info and advice, and repair services for all instrument lines.
5. Training Courses: Training courses and professional jornadas on sound level meter handling, applications, and regulatory compliance (e.g., RD 1367/2007). Courses are offered periodically in Catalan.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

CESVA manufactures precision acoustic measurement instruments (Class 1 and Class 2 sound level meters, spectrum analyzers, calibrators, noise sensors, vibrometers, logger-limiters, sound sources, and transducers) and operates companion cloud/software platforms (NoisePlatform, LIDACO) and PC software (CESVA Lab, Insulation Studio, Studio Editor, Limiter Manager) for professional noise measurement, monitoring, building acoustics compliance, smart city sensing, and entertainment venue noise control.

Product overview

CESVA instruments s.l.u is a Spanish company specializing in noise and vibration measurement instruments since 1969, based in Barcelona. The product portfolio is organized into a modular ecosystem comprising: (1) Sound level meters (SC420, SC250, SC202) for precision acoustic measurements; (2) Noise sensors (TA150, TA120) for continuous 24/7 monitoring with IoT connectivity; (3) NoisePlatform cloud software for intelligent noise management with AI-based event detection; (4) PC software suite including CESVA Lab, Studio Editor, Limiter Manager, and CIS02 Insulation Studio for data analysis and reporting; (5) Logger-limiters (LF010, LP001, LP002, RS-60, LIDACO) for sound level control in venues and entertainment activities; (6) Sound sources (FP122, BP012, AP602, MI006) for acoustic testing and building insulation measurements; (7) Vibrometer (VC431) for vibration measurement; and (8) Supporting accessories including calibrators, preamplifiers, microphones, and triaxial accelerometers. The platform integrates with open-source Smart City systems (Sentilo, FIWARE) and supports multi-channel notifications via Telegram, SMS, and mobile app.

Differentiator

Problem solved

Functional benefit

Brands

• NoisePlatform: Platform for intelligent noise management and real-time monitoring
• LIDACO
• CESVA Lab
• CESVA Insulation Studio
• Limiter Manager

Products and services

• SC420 Sound Level Meter Class 1 integrating sound level meter and real-time spectrum analyzer with octave and third-octave band analysis for precision acoustic measurements.
• SC250 Sound Level Meter Sound level meter and spectrum analyzer combining Class 1 precision with advanced spectral analysis capabilities.
• SC202 Sound Level Meter Integrating sound level meter and real-time spectrum analyzer for comprehensive acoustic measurement and analysis.
• CB011 Class 1 Acoustic Calibrator Class 1 acoustic calibrator for verification and calibration of sound level meters according to IEC 60942.
• CB012 Class 2 Acoustic Calibrator Class 2 acoustic calibrator for routine verification of sound level meters.
• VC431 Triaxial Vibrometer Triaxial vibrometer for measuring whole-body vibrations in interior building spaces.
• TA150 Spectrum Sensor Class 1 precision spectrum sensor with 1/3 octave band analysis (6.3 Hz–20 kHz), continuous 24/7 monitoring, IP65 protection, multi-connectivity (Ethernet, Wi-Fi, 4G, PoE), audio capture and AI-based event tagging.
• TA120 Noise Monitoring Sensor Class 1 noise monitoring sensor for continuous 24/7 measurement with IP65 weather protection, integrating with NoisePlatform and open IoT platforms (Sentilo, FIWARE, SmartyPlanet, Telefonica).
• NoisePlatform Cloud-based platform providing real-time noise monitoring, interactive mapping, advanced spectral analysis, automatic notifications, AI-powered audio tagging, and remote sensor configuration for networks of TA120/TA150 sensors.
• CIS02 CESVA Insulation Studio Acoustic insulation calculation and report generation software compliant with ISO 16283, ISO 717, and ISO 140 standards, supporting building regulations for Spain, Portugal, France, UK, Italy, Finland, Brazil, Switzerland, and USA.
• CESVA Lab Data download, visualization, editing and report generation software for SC420, SC250 and SC202 sound level meters, with audio playback, PDF reports, Excel export and LDEN/TWA modules.
• Studio Editor Editing software for .ccf files from CESVA spectrum analyzers, with dynamic interval selection, spectral value calculations, and Excel/text export.
• Limiter Manager Local software for storing, analyzing and reporting data downloaded from CESVA limiters, with graphical/numerical visualization, PDF report generation, and CSV/CLS export.
• LF010 High-Definition Acoustic Limiter Sound level limiter and analyzer with 1/3 octave spectrum analyzer, up to 4 Class 1 sensors, FullHD HDMI video output, graphic equalizer, programmable schedules, and Wi-Fi/Ethernet telemetry for LIDACO platform.
• LP001 Passive Limiter Passive limiter for low-power equipment (max 40Wrms, 5-16dB attenuation), designed for small-format audio in bars, cafes and restaurants.
• LP002 Passive Limiter Passive limiter for low-power equipment (max 50Wrms, 15-30dB attenuation), two-channel (L+R) design with independent adjustment for small venues.
• RS-60 Sound Level Recorder Sound level recorder with maximum level indication, 60-day permanent memory, sealable design, and optional relay box for acoustic limiting.
• LIDACO Online Limiter Control System Cloud-based online control system for CESVA limiters in music and leisure sectors, with automatic data transmission, incident analysis, PDF report generation, and online schedule programming.
• DL100 External Sound Level Display External sound level display with 100mm LED digits for public monitoring of sound pressure levels in noisy venues.
• FP122 Omnidirectional Sound Source System Complete omnidirectional sound source system combining BP012 dodecahedral speaker (123dB PWL) with AP602 amplifier with pink/white noise generator and 1/3 octave band control.
• BP012 Omnidirectional Loudspeaker Omnidirectional loudspeaker with 12 drivers in dodecahedral baffle producing 123dB PWL, compliant with ISO 16283, ISO 140, ISO 10140, ISO 3382.
• AP602 Amplifier for Omnidirectional Sound Source Amplifier with built-in pink/white noise generator, 1/3 octave graphic equalizer, power amplifier, compact design, remote control and 80m wireless range.
• MI006 Standardized Impact Machine Tapping machine with 5 hammers (500g, 40mm fall) compliant with ISO 16283-2, ISO 10140-5, ISO 140-7 for floor impact sound insulation measurement.

Quantifiable outcome

• Continuous 24/7 noise monitoring capability with real-time alerting
• +1 more outcomes

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

AI capability4 records

Feature6 records

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Cirrus Research plc: UK-based manufacturer of Class 1 and Class 2 sound level meters, noise dosimeters, and acoustic measurement instruments. Closest like-for-like competitor to CESVA in portable sound level meters, environmental noise monitoring, and occupational hygiene instrumentation.
• NTI Audio (NTI AG): Swiss manufacturer of Class 1 sound level meters, spectrum analyzers, and acoustic measurement solutions. Direct competitor to CESVA's SC-series meters and TA-series sensors in pro audio, building acoustics, and environmental monitoring applications.
• Larson Davis (PCB Piezotronics): US-based manufacturer of sound level meters, noise dosimeters, and vibration instrumentation. Comparable to CESVA in industrial hygiene, environmental noise, and vibration measurement offerings for professional and government buyers.
• Casella (IDEAL Industries): UK-based manufacturer of noise and vibration monitoring instruments, including sound level meters, dosimeters, and environmental monitors. Direct overlap with CESVA in occupational hygiene and environmental noise measurement for industrial buyers.
• RION Co., Ltd. Japanese manufacturer of sound level meters, vibration measurement instruments, and acoustic analyzers. Comparable to CESVA's SC-series meters and VC431 vibrometer in occupational hygiene, environmental, and building acoustics applications, with strong APAC presence.
• SVANTEK: Polish manufacturer of sound and vibration measurement instruments, including Class 1 sound level meters, dosimeters, and environmental noise monitors. Competes head-to-head with CESVA in occupational noise, environmental monitoring, and building acoustics segments.
• ACOEM Group (01dB): French-origin manufacturer of sound level meters and environmental noise monitoring solutions under the 01dB brand. Directly comparable in continuous outdoor noise monitoring stations and Class 1 environmental noise instruments for smart-city and industrial deployments.

Emerging players

• Sorama: Netherlands-based developer of acoustic cameras and continuous noise monitoring with AI-based sound source classification. Overlaps with CESVA's NoisePlatform smart-city offering but differentiates with visual sound localization rather than precision sound level meters.
• Datakwip: Emerging provider of acoustic AI monitoring for industrial and process applications. Competes in continuous noise monitoring where CESVA's TA sensors operate, typically targeting simpler-class deployments and predictive maintenance use cases at lower price points.

Broad incumbents

• Brüel & Kjær (HBK): Global leader in acoustic and vibration measurement owned by Spectris/HBK. Operates a much broader portfolio (transducers, analyzers, sound quality, environmental monitoring) than CESVA but directly competes in Class 1 sound level meters and environmental noise monitoring stations.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/cesva
• YouTubeyoutube.com/channel/UCZZIGgajyoRKqFa7nxtw3pg
• LinkedInlinkedin.com/company/cesva-instruments-s-l-u-

Compliance13 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 CESVA