CARSO Group
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.
- Company typePrivate
- Founded1992
- HeadquartersVénissieux, France
- Headcount1,001–5,000
- GTM typeB2B
- OfferingServices
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.
CARSO Group firmographics
Firmographics- Name
- CARSO Group
- Legal name
- Groupe Carso SASU
- Website
- https://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
CARSO Group industry classification
Industry- 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
Where CARSO Group is headquartered
LocationHeadquarters
- HQ city
- Vénissieux
- HQ country
- France
- HQ region
- Europe
Offices3 records
Markets served
CARSO Group business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales
Revenue model
- 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.
- 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
CARSO Group product offering
Product offeringCore 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
Companies that use CARSO Group
Customer profileNamed customers8 records
Segments6 records
Ideal customer profiles5 records
CARSO Group technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
CARSO Group partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core, historical and supporting.
- Italian Testing Groups (Acquisitions)coreThree acquisitions including Italian and French testing groups funded by ARCHIMED and partners, contributing to 33% revenue growth.
- Agro.biolab (Italy)coreCARSO acquired Agro.biolab in Italy to expand its food testing presence in the European market.
- CNRShistoricalCNRS co-founded CARSO Group in 1992 with Neptune Technologies for dioxin analysis in high-resolution mass spectrometry.
- COFRACsupportingFrench 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
CARSO Group competitors and assessment
Company assessmentDirect 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
CARSO Group social profiles
Digital presenceCARSO Group compliance and trust
Trust signalCompliance3 records
CARSO Group financial estimates
Financial estimateRevenue estimate
Valuation estimate
CARSO Group leadership team
Management profileNumber of profiles
Profiles1 record
CARSO Group subsidiaries and ownership
Company hierarchySubsidiaries22 records
CARSO Group funding detail
Funding detailFunding overview
Funding rounds1 record
Investors3 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
CARSO Group M&A and investment
M&A and investmentM&A3 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about CARSO Group
What does CARSO Group do?
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).
Is CARSO Group a public or private company?
CARSO Group is a private company. It is classified as private equity controlled and is currently operating.
When was CARSO Group founded?
CARSO Group was founded in 1992. It employs 1,001 to 5,000 people.
Where is CARSO Group based?
CARSO Group is headquartered in Vénissieux, France, in the Europe region.
How does CARSO Group make money?
Two revenue lines are on record. Analytical Testing Services are the primary driver. The others are laboratory Analysis Services.
Who are CARSO Group's main competitors?
Direct peers on record are Eurofins Scientific, SGS SA, Bureau Veritas, ALS Limited, Mérieux NutriSciences and Intertek Group. PharmaLab (Pharlab) is listed as an emerging player. Laboratoire des Eaux de la Ville de Paris (EVP / SAGEP) is listed as a regional player. Eurofins Hydrologie Centre (France) is listed as an others.
Does CARSO Group have an API?
No public API is recorded for CARSO Group.
What industry is CARSO Group in?
CARSO Group's product category is Analytical Laboratory Services. Its primary akta.pro industry code is HLAGADAL, Environmental Monitoring & Cleanroom Testing (GMP), with a secondary code of EUANAJAB, Laboratory Testing & Analytical Services (in-house/contract labs; microbiology, metals, organics). Its NAICS code is 54138 and its SIC code is 8734.