ESEA

What ESEA does

ESEA is a French privately-held environmental and sanitation engineering firm (SARL) founded in October 1993 by Yves CHAPEAU, headquartered in Orléans with a regional agency in Narbonne. The firm specializes in non-collective sanitation (Assainissement Non Collectif, ANC) design studies — combining on-site soil analysis (permeability testing, pedology, geomorphology), topographic assessment, and regulatory-compliant sizing of wastewater treatment systems for individual properties. Over time, the practice has extended into adjacent environmental services including stormwater management (storage and infiltration sizing) and construction-phase inspection of ANC installations.

The company serves three primary segments: private individuals (homeowners requiring regulatory-compliant sanitation for residential properties), local authorities (territorial collectivities requiring environmental dossiers and water management studies), and industrial operators (industrial wastewater and environmental compliance). Its core technology stack consists of specialized field equipment — mechanical and manual augers, percussion core samplers, and permeameters — combined with Mapinfo GIS software for cartographic restitution and multicriteria analysis. All design studies are covered by decennial (10-year) insurance, and the firm explicitly operates independently of manufacturers and installers to preserve objectivity.

ESEA runs a sales-led, project-based commercial model with quote-based custom pricing and direct customer engagement through website contact forms and phone. The firm has prescribed more than 3,000 installations over 25+ years of operation. With approximately 19 employees and no disclosed external funding, M&A activity, or geographic expansion beyond its two existing regional offices, ESEA operates as a stable, contained regional services business rather than a scaling enterprise.

Name

ESEA

Legal name

ESEA

Website

https://esea.fr

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

11–50 employees

Short description

ESEA is a French environmental engineering firm (SARL) specializing in non-collective sanitation design studies, soil analysis, and stormwater management for private homeowners, local authorities, and industrial clients across Centre-Val de Loire and Occitanie.

Ownership category

akta.pro rank

Headquarters

HQ city

Orléans

HQ country

France

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Conception Studies: Design studies for non-collective sanitation systems, including soil analysis, system sizing, and regulatory compliance documentation for property owners and professionals
2. Control Services: Inspection and control of ANC (Assainissement Non Collectif) installations during construction phase
3. Rainwater Management Consulting: Advisory services for rainwater management, storage and infiltration system evaluation and sizing

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

ESEA is a French water and sanitation engineering bureau that performs on-site soil studies (permeability testing, pedology, topography) and produces design studies (Études de conception) recommending non-collective sanitation systems tailored to site conditions. It also delivers stormwater management studies (storage and infiltration sizing), construction-phase inspection of ANC installations, and general consulting on wastewater and rainwater projects for private property owners, local authorities, and industrial clients in France.

Product overview

ESEA is a consulting bureau specializing in water and environmental studies, primarily focused on non-collective sanitation (assainissement non collectif). The company offers a unified set of services centered on soil and environmental studies, including design studies for wastewater treatment systems, stormwater management, and construction-phase inspections. The core offering consists of on-site soil analysis (permeability testing, pedology) combined with sanitation system design and regulatory compliance services. ESEA serves private homeowners, territorial communities, and industrial clients across two locations in Orléans and Narbonne, France.

Differentiator

Problem solved

Functional benefit

Products and services

• Études de conception (assainissement non collectif) — Design Studies for Non-Collective Sanitation Design studies (also called soil studies or parcel-level studies) for non-collective sanitation (ANC) systems. Includes analysis of soil nature, permeability, topography, parcel layout, slope, access constraints, and applicable regulations to recommend the most appropriate wastewater treatment system for each property. Delivered independently of manufacturers and installers for private property owners, professionals, and authorities.
• Gestion des eaux pluviales — Stormwater Management Studies Evaluation and sizing of storage and infiltration structures for stormwater (eaux pluviales) management in construction and development projects. Advises property owners, local authorities, and industries on rainwater management, storage, and infiltration solutions.
• Études de sol (pédologie) — Soil Studies / Pedology On-site soil investigations including permeability testing, pedological analysis, and ground characterization using mechanical augers, manual augers, mechanical percussion core samplers, and permeameters. Provides the technical basis for sanitation and stormwater system recommendations.
• Contrôles en phase travaux — Construction-Phase Inspections Inspection and control of non-collective sanitation (ANC) installations during the construction phase, verifying that systems are built in accordance with the design study and applicable regulations.
• Conception de dispositifs d'assainissement — Sanitation System Design Design of sanitation devices and treatment solutions, including planted reed filters (filtres plantés de roseaux) and other systems tailored to site-specific soil, topography, and usage conditions.
• Conseil en assainissement — Sanitation Consulting

Quantifiable outcome

• 3000+ installations prescribed over 25+ years of operation

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators3 records

Recent moves4 records

Expansion highlights3 records

Broad incumbents

• Egis: Major French engineering group with dedicated water, environment and urban development practices; relevant incumbent peer for ESEA on rainwater, sanitation and territorial authority engagements.
• SAFEGE (Suez Consulting): Engineering consultancy within the Suez group providing water, environment and infrastructure services in France, with overlap on stormwater management and environmental permitting that ESEA also serves.
• Bureau Veritas: Global testing, inspection and certification giant with a French environmental compliance practice; competes for industrial compliance, water and soil testing mandates that overlap with ESEA's industrial segment.
• BURGEAP: Major French environmental engineering consultancy (subsidiary of Artelia group) offering hydrogeology, soil studies and site assessments — a much larger incumbent that competes with ESEA on SPANC-related and industrial water projects.
• Antea Group: International environmental and infrastructure consulting firm with French operations (formerly HydroGéosphère) providing site assessments, hydrogeology and environmental studies directly overlapping ESEA's service lines.
• ARTELIA: Large multi-disciplinary engineering group with strong water, environment and infrastructure practices in France; competes with ESEA on rainwater management and environmental permitting dossiers.
• Ginger CEBTP: French group specialized in geotechnical engineering, soil studies and environmental diagnostics; competes with ESEA for soil/permeability studies and site investigations in the broader ANC and construction markets.

Direct peers

• GEO+ Environnement: Small French environmental and geotechnical studies bureau offering soil investigations, hydrogeology and regulatory dossiers for private and public clients; directly mirrors ESEA's service mix and customer profile.
• HYDROASSISTANCE: Small French bureau d'études specialized in hydrogeology, soil studies and ANC design studies for individuals, communities and industry — the closest direct comparable to ESEA in scope and customer base.

Regional players

• Sol Paysage: Independent French environmental studies firm focused on soil diagnostics, ANC studies and rainwater management — a regional peer with comparable services to ESEA though typically active in different French regions.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/eseafr

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 ESEA