CARSO Group

What CARSO Group does

CARSO Group is a French analytical testing services provider founded in 1992 in partnership with the CNRS, headquartered in Vénissieux in the Lyon metropolitan area. The company operates a network of 50 laboratories across 94 sites, with more than 80 implantations in France and over 10 international locations primarily in Italy and Spain. Its service portfolio spans eight domains: environmental testing (water, soil, air, waste, radioactivity), agri-food safety, pharmaceutical and cosmetic testing, industrial hygiene and building health, forensics and medico-legal expertise, hospital hygiene, energy and transition analysis, and materials testing for objects in contact with drinking water.

The underlying technology stack is built on physical analytical chemistry methods rather than software platforms, including high-resolution mass spectrometry (originating from dioxin analysis), chromatography, molecular biology/DNA sequencing, radiochemistry, physico-chemical analysis, and Raman spectroscopy for microplastic detection. CARSO holds COFRAC accreditations across multiple subsidiaries and French Ministry of Health habilitation for sanitary certifications (ACS, CLP, CAS), processing more than 70 million analytical parameters annually. The workforce of 3,300+ includes over 400 engineers and PhDs, over 1,300 specialized technicians, and more than 100 client managers.

The business model is B2B professional services sold via direct enterprise field sales and client management relationships to government agencies (regional health agencies, water agencies, regional authorities), regulated industries (water utilities including Suez, Saur, Vey Sol), and private sector clients across food production, pharmaceuticals, cosmetics, energy, and construction. Pricing is custom-quoted and not publicly disclosed. Revenue stands at approximately €300 million in fiscal year 2025, with 33% growth reported in the prior fiscal year driven by acquisitions. Since ARCHIMED became majority shareholder in 2021, CARSO has pursued an aggressive buy-and-build strategy, completing 16 acquisitions over three years to consolidate the European analytical testing market.

Name

CARSO Group

Legal name

Groupe Carso SASU

Website

http://www.groupecarso.com

Company type

Private

Founded year

1992

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

CARSO Group is a French analytical testing services provider operating 50+ laboratories across 94 sites in France and Europe, serving government, water utility, agri-food, pharmaceutical, and industrial clients with approximately €300 million in 2025 revenue.

Ownership category

akta.pro rank

Product category

Analytical Laboratory Services

NAICS

Testing Laboratories and Services (54138), Testing Laboratories and Services (541380)

SIC

Services-Testing Laboratories (8734)

akta.pro primary industry

Environmental Monitoring & Cleanroom Testing (GMP) (HLAGADAL)

akta.pro secondary industries

Laboratory Testing & Analytical Services (in-house/contract labs; microbiology, metals, organics) (EUANAJAB), Sanitation & Hygienic Design Compliance (SSOPs, GMPs) (AFALADAJ), Manufacturing Quality Assurance & GMP Compliance (batch release, deviation/CAPA, tech transfer QA) (HLAGAKAJ), Laboratory Quality Systems, Accreditation & Proficiency Testing Programs (HLAJAIAM), Regulatory Compliance Audit Support & Documentation (Emissions/Safety/Environmental) (TLAKANAO)

Keywords

• Analytical testing services
• Environmental laboratory testing
• Food safety analysis
• Pharmaceutical testing services
• Industrial hygiene testing

Headquarters

HQ city

Vénissieux

HQ country

France

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Analytical Testing Services: Core revenue from providing analytical testing and laboratory services across water, environment, food safety, pharmaceutical, industrial hygiene, energy, and forensic sectors. Services include sampling, testing, consulting, and certification (ACS, CLP, CAS certifications for sanitary compliance). Revenue expected at €255 million in current fiscal year with 33% growth.
2. Laboratory Analysis Services: More than 70 million parameters analyzed annually generating approximately €300 million in revenue (2025).

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

CARSO Group provides fee-based analytical laboratory testing services across water quality, environmental monitoring, food safety, pharmaceutical and cosmetic compliance, industrial hygiene, building health, energy, forensics, and hospital hygiene. Operating 50+ COFRAC-accredited laboratories and 94 sites, the group delivers sampling, testing, consulting, and certification services (including ACS, CLP, CAS sanitary certifications) to enterprise clients and government agencies. The group processes more than 70 million analytical parameters annually and generated approximately €300 million in revenue (2025).

Product overview

CARSO Group is a European leader in analytical testing services, operating as a multi-brand portfolio of specialized laboratory subsidiaries rather than a single unified software product. The group offers comprehensive analytical services across eight core domains: Environment (water, soil, air, radioactivity), Industrial Hygiene and Building Health, Pharma-Cosmetics, Agri-Food, Energy and Transition, Forensics, Hospital Hygiene, and Materials Testing for water contact applications. Key subsidiary brands include LABEXIA (COFRAC-accredited agri-food testing), ALGADE (radioactivity and instrumentation), IGNA (forensic expertise), ITGA (industrial hygiene), CARSO LSEHL (pharmaceutical/Ministry of Health habilitated), and numerous regional environmental and agri-food laboratories across France and Italy. The company processes over 70 million parameters annually through 94 locations including 50 laboratories, generating approximately €300 million in revenue (2025).

Differentiator

Problem solved

Functional benefit

Brands

• CARSO LSEHL: Pharmaceutical and environmental analysis laboratory specializing in water, materials in contact with water, and pharmaceutical testing.
• LABEXIA

Products and services

• Environmental Testing Services

Quantifiable outcome

• Expected €255 million revenue with 33% growth from recent acquisitions
• +2 more outcomes

Named customers8 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Four partnerships are on record, tiered core, historical and supporting.

• Italian Testing Groups (Acquisitions)coreOthers · 1 January 2024Three acquisitions including Italian and French testing groups funded by ARCHIMED and partners, contributing to 33% revenue growth.
• Agro.biolab (Italy)coreOthers · 16 March 2023CARSO acquired Agro.biolab in Italy to expand its food testing presence in the European market.
• CNRShistoricalStrategic or Co-development Partner · 1 January 1992CNRS co-founded CARSO Group in 1992 with Neptune Technologies for dioxin analysis in high-resolution mass spectrometry.
• COFRACsupportingOthersFrench accreditation body providing COFRAC accreditation for CARSO laboratories for testing methods including IBGN, IBG-DCE, IBD, and various environmental tests.

Scale indicators8 records

Recent moves10 records

Expansion highlights5 records

Direct peers

• Eurofins Scientific: Global leader in food, environmental, pharmaceutical, and clinical testing services operating 1,000+ labs across 60+ countries. Eurofins is the most direct comparison to CARSO: overlapping water, environment, agrifood, and pharma/cosmetics test menus, similar B2B laboratory services model, and a sustained pan-European acquisition strategy.
• SGS SA: Swiss-listed global testing, inspection and certification (TIC) leader with extensive environmental, agri-food, and life sciences testing operations across Europe. SGS competes with CARSO for enterprise water/environmental and food testing clients and is a comparable multi-vertical lab services platform.
• Bureau Veritas: Paris-based global TIC group with major Agri-Food and Environmental testing lines across Europe, including a French presence. Bureau Veritas shares CARSO's enterprise/government client mix in commodity testing and pursues a comparable M&A-driven consolidation playbook.
• ALS Limited: Australia-listed environmental, food, and life-sciences testing group with significant European operations. ALS is closely comparable on water, environmental, and food testing capabilities and end-customers (utilities, governments, agri-food), competing head-to-head in some European markets.
• Mérieux NutriSciences: Food safety and nutrition testing specialist operating across Europe and the Americas. Closely overlapping with CARSO's LABEXIA-style agri-food testing franchise, including microbiology, contaminants, and regulatory testing for food producers and retailers.
• Intertek Group: Global TIC operator covering environmental, food, and pharmaceutical testing. While more diversified than CARSO, Intertek directly competes for the same analytical testing RFPs from industrial, energy, and consumer-products clients in Europe.

Emerging players

• PharmaLab (Pharlab): European analytical services provider focused on pharmaceutical and cosmetic testing, overlapping with CARSO LSEHL's specialty. Smaller in scale than CARSO but directly competes for pharma release and water-contact materials testing contracts.

Regional players

• Laboratoire des Eaux de la Ville de Paris (EVP / SAGEP): Public-sector French water utility laboratory performing environmental and potability testing for the Paris region. Operates in the same water quality testing category as CARSO's water agencies and Suez/Saur work but is a municipal, not commercial, lab — a structural alternative for some French clients.

Others

• Eurofins Hydrologie Centre (France): The French arm of Eurofins' water and environmental testing network. Functions as a direct competitor to CARSO's WATERLIFELAB/INDAM-class subsidiaries in the same French water utility and aquatic toxicology testing market.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/GroupeCarso
• Facebookfacebook.com/groupecarso
• LinkedInlinkedin.com/company/groupe-carso

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries22 records

Funding overview

Funding rounds1 record

Investors3 records

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

M&A3 records

Investments

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

Frequently asked questions about CARSO Group