Adesus

What Adesus does

ADESUS, LDA is a privately held Portuguese environmental services firm headquartered in Valongo and founded in 1990. The company delivers consulting, measurement, verification, testing, and certification services spanning environmental compliance, occupational health and safety, energy efficiency, and indoor environmental quality. Its core technology is Labdesus, an IPAC-accredited testing laboratory operating under NP EN ISO/IEC 17025, with accreditations across noise, thermal comfort, building acoustics, vibrations, air quality, Legionella sampling, and asbestos fiber sampling; the firm is also authorized by APA for radon measurements and was the first Portuguese entity accredited for microbiological sampling of bacteria and fungi under EN 13098:2000.

The service catalogue spans 20+ distinct lines, including Legionella prevention and control plans, acoustic evaluation and noise mapping, energy certification (REH/RECS), indoor air quality assessment, radon measurement, asbestos quantification, chemical and biological agent exposure assessment, electromagnetic field evaluation, ADR safety advisory, CMR chemical consulting, DNSH compliance assessments, and industrial licensing support. ADESUS serves five primary verticals — industry, public sector, construction, real estate, and healthcare facilities — through direct sales (phone and email) on a fee-for-service professional engagement basis, with all services delivered domestically in Portugal. The firm has 11–50 employees, no disclosed external funding, and operates as a flat professional services practice anchored on regulatory credentials rather than proprietary technology.

ADESUS was independently ranked as the best-performing energy certification company among 66 firms evaluated in the DECO/PROTESTE 2017 national study, and has been featured in major Portuguese media including SIC television, Público, and JN. Its competitive position rests on accumulated regulatory accreditations, qualified expert personnel, and brand credibility built over more than three decades, with no current evidence of AI/ML capabilities, geographic expansion outside Portugal, or external institutional investment.

Name

Adesus

Legal name

ADESUS, LDA

Website

https://adesus.pt

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

11–50 employees

Short description

ADESUS is a privately held Portuguese environmental services firm operating an IPAC-accredited laboratory (Labdesus) that delivers accredited testing, consulting, and certification in noise, air quality, Legionella, radon, energy efficiency, and occupational safety for industry, construction, public-sector, real estate, and healthcare clients.

Ownership category

akta.pro rank

Product category

Environmental Testing and Certification Services

NAICS

Testing Laboratories and Services (54138)

SIC

Services-Testing Laboratories (8734), Services-Commercial Physical & Biological Research (8731)

akta.pro primary industry

Water Sampling, Testing & Laboratory Analysis (Legionella/Microbiology) (BPABAJAB)

akta.pro secondary industry

Legionella Risk Assessment & Compliance Audits (BPABAJAA)

Keywords

• Environmental testing services
• Acoustic measurement services
• Energy certification services
• Indoor air quality testing
• Occupational health consulting

Headquarters

HQ city

Alfena

HQ country

Portugal

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Laboratory Testing and Analysis Services: ADESUS generates revenue through providing accredited laboratory testing services for environmental and occupational health measurements including noise, air quality, thermal comfort, vibrations, asbestos, biological agents, and chemical agents. These are fee-for-service professional consulting engagements.
2. Consulting and Management Services: Revenue is generated through consultancy engagements for Legionella prevention plans, environmental risk management, occupational safety, energy certification, acoustic projects, and industrial licensing.
3. Energy Certification Services: ADESUS issues energy performance certificates for buildings (REH and RECS) through qualified experts, providing post-certification support and advisory services for thermal and energy performance improvements.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

ADESUS provides environmental, occupational health and safety, and energy efficiency consulting, measurement, verification, testing, and certification services through its IPAC-accredited laboratory (Labdesus). Its core offerings include Legionella prevention and control plans, acoustic evaluation and noise mapping, energy certification (REH/RECS), indoor air quality assessment, radon measurement (APA-authorized), asbestos fiber quantification, chemical and biological agent exposure assessments, electromagnetic field evaluations, acoustic conditioning project design, industrial licensing support, ADR safety advisory services, CMR chemical consulting, and DNSH environmental compliance assessments for EU-funded projects.

Product overview

Adesus provides integrated consultancy, measurement, verification, testing, and certification services focused on environmental protection, workplace safety, and energy efficiency. The company operates through its accredited laboratory (Labdesus) and offers a portfolio of distinct service lines: Legionella prevention and control plans, acoustic evaluation and noise mapping, energy certification, indoor air quality assessment, radon measurement, asbestos analysis, chemical and biological agent exposure assessment, electromagnetic field evaluation, workplace lighting assessment, acoustic conditioning project design, industrial licensing, ADR safety advisory services, CMR chemical consulting, and DNSH environmental compliance assessments. The company is IPAC-accredited for multiple testing areas including noise, thermal comfort, building acoustics, vibrations, air quality, and Legionella sampling.

Differentiator

Problem solved

Functional benefit

Products and services

• Legionella Prevention and Control Plan (Plano de Prevenção e Controlo de Legionella) Development of Legionella prevention and control plans with monitoring and analytical sampling through an IPAC-accredited laboratory. Targeted at healthcare facilities, public buildings, and industrial operators required to comply with Portuguese Legionella regulations.
• Environmental Risk Management (Ambiente)

Quantifiable outcome

• ADESUS was ranked as the best-performing energy certification company out of 66 companies evaluated in a DECO/PROTESTE national study
• +1 more outcomes

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Four partnerships are on record, tiered core.

• IPAC (Instituto Português de Acreditação)coreTechnology or IntegrationADESUS maintains laboratory accreditation from IPAC (Instituto Português de Acreditação) for areas including noise, thermal comfort, building acoustics, vibrations, air quality, and asbestos sampling. This accreditation is a regulatory requirement for performing certain environmental measurements under Portuguese law. ADESUS continuously seeks to expand its accreditation scope to additional tests.
• APA (Agência Portuguesa do Ambiente)coreStrategic or Co-development PartnerADESUS is an entity authorized by APA (Agência Portuguesa do Ambiente) to perform radon measurements. APA is the Portuguese Environment Agency that oversees the National Radon Plan (PNRn) and related regulatory requirements. This authorization is essential for ADESUS to provide radon measurement services under national legislation.
• ERS (Entidade Reguladora de Saúde)coreStrategic or Co-development PartnerADESUS supports healthcare facilities in obtaining licensing from ERS (Entidade Reguladora de Saúde) by providing indoor air quality assessments and differential pressure measurements required for licensing of various healthcare facility types including dental clinics, obstetrics units, nursing centers, and medical clinics.
• ASAE (Autoridade de Segurança Alimentar e Económica)coreStrategic or Co-development PartnerADESUS supports building owners and operators in submitting indoor air quality assessment reports to ASAE for annual simplified evaluation compliance. ASAE conducts enforcement of indoor air quality regulations, and ADESUS prepares and submits required reports on behalf of clients.

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• SGS: Global leader in inspection, verification, testing, and certification. Directly comparable as a multi-discipline testing/certification firm serving regulated industries, though at vastly larger scale and broader geographic footprint than Adesus.
• Applus+ Services: Iberian-origin testing, inspection, and certification firm with environmental, energy, and industrial compliance services. Particularly comparable given Iberian Peninsula geographic proximity and overlap in construction/environmental testing categories with Adesus.
• Eurofins Scientific: International group of laboratories providing environmental, food, pharma, and clinical testing. Highly comparable to Adesus on the laboratory analytical side — air quality, microbiological sampling, chemical agent exposure, and Legionella/water testing.
• ALS Limited: Global testing services provider with strong environmental division covering water, air, soil, and occupational hygiene testing. Directly comparable to Adesus's Labdesus accredited laboratory offering.
• TÜV Rheinland: German-based global testing/certification body covering environmental services, building acoustics, occupational safety, and energy certification. Comparable to Adesus in regulated testing service portfolio and accreditation-driven model.
• Intertek: Total Quality Assurance provider operating environmental, building, and occupational testing laboratories worldwide. Overlaps with Adesus on indoor air quality, acoustics, energy performance verification, and industrial compliance testing.
• Kiwa: European testing, inspection, and certification (TIC) firm headquartered in the Netherlands, operating across water, energy, building, and environmental testing. Directly comparable accreditation-driven testing model and Iberian/European presence.
• Bureau Veritas: Global testing, inspection, and certification firm with deep presence in environmental, occupational health, building, and energy services — directly comparable in service mix (air, water, asbestos, energy certification) though at much larger scale than Adesus.

Regional players

• IDEXX Laboratories: Water testing specialist with environmental microbiology capabilities (including Legionella). Comparable to Adesus on water/Legionella sampling and accredited laboratory analysis, though primarily focused on North American/European water markets rather than full-service environmental testing.

Emerging players

• Mérieux NutriSciences: Testing, inspection, and certification provider focused on food, environmental, and consumer product safety. Comparable to Adesus on environmental sampling, microbiological analysis, and indoor air quality assessment for regulated industries.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/adesus

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 Adesus