Seine & Yvelines Environnement

What Seine & Yvelines Environnement does

Seine & Yvelines Environnement is a public environmental operator structured as a Groupement d'Intérêt Public (GIP), jointly created in 2018 by the Departments of Yvelines and Hauts-de-Seine in the Île-de-France region. The organization aggregates specialized environmental competencies to serve as a one-stop operator for both public and private project developers (maîtres d'ouvrages), offering services across the full project lifecycle — from regulatory assistance (AMO réglementaire) and land research, through ecological reconquest and ZAN (Zéro Artificialisation Nette) compliance, to delegated project ownership and long-term compensation works management with a stated 60-year stewardship horizon. It positions itself as a unique regional operator aimed at integrating biodiversity considerations into urban planning and reducing net environmental impacts of development.

The service portfolio centers on the Avoidance, Reduction, Compensation (ERC) framework for biodiversity, structured around six primary offerings: regulatory AMO, land search (recherche foncière), ecological reconquest AMO, ZAN AMO, space transformation AMO/MOE, and environmental compensation works and management. The technology stack is limited to standard web technologies for the institutional website, supplemented by analytics integrations (Google Analytics, Hotjar, New Relic, Matomo) and security tooling (reCAPTCHA). No proprietary software, AI capabilities, or platform architecture is disclosed.

Commercially, SYE operates as a non-profit public cooperative with no private equity ownership and revenue derived from contractual arrangements with departmental governments and project-based fees from public and private developers. Headcount is 14 employees based at the Versailles headquarters. Distribution is exclusively direct, with limited marketing activity confined to the institutional website and newsletter. Active projects include the Paris-Saint-Germain Training Center, La Bourde, Terrasses de Poncy, and Aigremont compensation sites.

Name

Seine & Yvelines Environnement

Legal name

Seine & Yvelines Environnement, Groupement d'Intérêt Public du Département des Yvelines et des Hauts-de-Seine

Website

https://seine-yvelines-environnement.fr

Company type

Private

Founded year

2018

Operating status

Operating

Headcount range

11–50 employees

Short description

Seine & Yvelines Environnement is a public environmental operator (Groupement d'Intérêt Public) jointly created by the Departments of Yvelines and Hauts-de-Seine, providing ecological compensation, ZAN compliance, and biodiversity project management services to public and private developers in the Île-de-France region.

Ownership category

akta.pro rank

Product category

Environmental Consulting Services

NAICS

Landscape Architectural Services (54132), Landscaping Services (561730)

SIC

Services-To Dwellings & Other Buildings (7340)

akta.pro primary industry

Grounds, Landscaping & Exterior Services (BPABAAAD)

Keywords

• Environmental consulting services
• Biodiversity preservation
• Ecological compensation management
• Regulatory compliance assistance
• Sustainable urban development

Headquarters

HQ city

Versailles

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations

Revenue model

1. Public Services and Consulting: Service-based revenue from assisting public and private developers with environmental compliance, project management, and ecological compensation services for urban development projects in the Yvelines and Hauts-de-Seine territories.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Seine & Yvelines Environnement is a public environmental operator (Groupement d'Intérêt Public created in 2018 by the Departments of Yvelines and Hauts-de-Seine) that provides environmental and biodiversity services to public and private project developers. It acts as assistant à maîtrise d'ouvrage (AMO), delegated project owner (maître d'ouvrage délégué), or project manager (maître d'oeuvre) to deliver regulatory compliance, land research, ecological reconquest, ZAN (Zero Net Land Take) compliance, space transformation, and environmental compensation works and management.

Product overview

Seine & Yvelines Environnement is a public environmental operator (Groupement d'Intérêt Public created in 2018) that provides environmental services to public and private project developers in the Paris region. The organization offers a unified portfolio of consulting and project management services centered on biodiversity preservation and ecological compensation, including AMO réglementaire (regulatory assistance), AMO ZAN (zero land artificialization), AMO reconquête écologique (ecological reconquest), Recherche foncière (land research), AMO/MOE Transformation des espaces (space transformation), and Travaux/Gestion de compensation environnementale (environmental compensation management). These services support project developers in achieving 0% net loss of biodiversity through the implementation of Avoidance, Reduction, and Compensation (ERC) actions.

Differentiator

Problem solved

Functional benefit

Products and services

• AMO réglementaire
• Recherche foncière
• AMO reconquête écologique
• AMO ZAN (Zéro Artificialisation Nette)
• AMO/MOE Transformation des espaces
• Travaux ou Gestion de compensation environnementale
• Actions de Compensation (Evitement, Réduction, Compensation)

Named customers1 record

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

Partnerships

Two partnerships are on record, tiered core.

• Département des YvelinescoreOthers · 1 January 2018Founding institutional partner and co-creator of the Groupement d'Intérêt Public. The department collaborates in establishing Seine & Yvelines Environnement as the public environmental operator for the territory.
• Département des Hauts-de-SeinecoreOthers · 1 January 2018Founding institutional partner and co-creator of the Groupement d'Intérêt Public. The department collaborates in establishing Seine & Yvelines Environnement as the public environmental operator for the territory.

Scale indicators2 records

Recent moves4 records

Expansion highlights4 records

Direct peers

• CDC Biodiversité: Public entity (subsidiary of Caisse des Dépôts) dedicated to biodiversity restoration and ecological compensation, offering offsetting site management and nature-based solutions. Operates in a structurally similar niche to SYE — institutional, multi-decade compensation stewardship — but at national scale.
• Auddicé: French environmental consultancy offering ecological studies, regulatory assistance, and biodiversity engineering for development projects. Comparable service portfolio to SYE with private-sector agility that competes for the same developer mandates.
• Naturalia Environnement: French environmental consultancy providing biodiversity studies, ecological assessments, and project management for development projects. Closely comparable to SYE in service mix (fauna/flora inventories, regulatory AMO, ecological engineering).
• Rainette: French environmental consultancy delivering ecological inventories, regulatory assistance, and biodiversity engineering for development and infrastructure projects. Closely aligned with SYE's mix of regulatory AMO and ecological project work, with regional presence in northern France.
• Ecosphère: French environmental consultancy specializing in natural environment studies and ecological project management for public and private developers. Overlaps directly with SYE's biodiversity inventory, regulatory assistance, and ecological compensation work.
• Biotope: Largest French private environmental consultancy, delivering biodiversity studies, ecological engineering, and regulatory assistance to developers. Directly comparable to SYE's AMO/regulatory and ecological reconquest service lines, with significantly broader geographic reach.

Others

• Noé: French conservation NGO working on biodiversity restoration and environmental education programs. An ecosystem participant rather than a direct competitor, but engages with corporate and public developers on biodiversity programs overlapping with SYE's territory.
• LPO (Ligue pour la Protection des Oiseaux): Major French conservation NGO focused on bird protection and biodiversity advocacy. Adjacent rather than directly competitive with SYE, but a relevant ecosystem participant — often a partner or stakeholder in ecological compensation projects where SYE is operator.

Broad incumbents

• Office Français de la Biodiversité (OFB): National public agency under the French Ministry of Ecological Transition responsible for biodiversity monitoring, policy, and enforcement. Overlaps with SYE on biodiversity preservation mission but operates as a regulator/funder rather than as a project-level AMO/MOE operator.
• Egis Environnement: Environmental services arm of major French engineering group Egis, providing environmental impact assessments and biodiversity advisory for infrastructure and urban development. Wider portfolio than SYE but competes for the same developer-side environmental mandates.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/seine-yvelines-environnement

Compliance2 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 Seine & Yvelines Environnement