MAISON DE L'ESTUAIRE

What MAISON DE L'ESTUAIRE does

Maison de l'Estuaire is a French non-profit association (association loi 1901) founded in 1992 and headquartered in Le Havre, Normandie. Its core mandate, delegated by the French State since 1999, is the management of the Réserve naturelle nationale de l'estuaire de la Seine, an 8,528-hectare protected area of wetlands, marshes, mudflats and marine habitat that ranks among France's three largest estuaries alongside the Loire and the Gironde. The association conducts systematic ecological monitoring programmes covering birds (monthly waterbird counts, banding, and specific species follow-up including Butor étoilé, Busard des roseaux, Cigogne blanche and Râle des genêts), amphibians (notably Triton crêté across a network of ~300 ponds), and flora (including invasive species such as Ludwigia grandiflora). It also coordinates Natura 2000 animation for the ZSC and the 18,880-hectare ZPS shared with the Parc naturel régional des Boucles de la Seine Normande, and serves as a multi-stakeholder governance body bringing together HAROPA (Le Havre, Rouen), the CCI Seine-Estuaire, territorial collectivities, environmental associations and reserve users.

Operationally, the association runs a public-facing education and visitor programme through the Maison de la Réserve visitor centre at Pont de Normandie, six marked pedagogical trails, family nature events ('Mercredi Nature'), and boat tours ('La Réserve en Seine') distributed in partnership with Vedettes Baie de Seine. It also leads the European LIFE AWOM project (2025-2029) coordinating Aquatic Warbler conservation across 14 organisations in five countries via Wetlands International. The underlying technology stack is limited to standard nature-reserve management tooling, a content/website platform hosted by Siqual SAS, online ticketing via HelloAsso, and digital outreach channels (Mailchimp newsletter, Facebook, Instagram, YouTube); no proprietary software, API or AI components are disclosed.

The business model is a hybrid non-profit model: the vast majority of resources are public subsidies from the Ministère de la Transition Écologique, Agence de l'Eau Seine-Normandie, HAROPA port authority, Conservatoire du Littoral, territorial collectivities, and EU LIFE funding, complemented by modest earned income from paid public events (typically 8€/adult and 5€/child) and boat tours (25€/adult, 18€/child, 75€/family). Pricing is unit-based and pay-as-you-go, with some events offered free through partner distribution (e.g. Département de l'Eure). The organisation does not operate as a commercial enterprise and does not generate equity returns; its growth is governed by regulatory mandate, public funding cycles and project-based grants rather than market expansion.

Name

MAISON DE L'ESTUAIRE

Legal name

MAISON DE L'ESTUAIRE

Website

https://maisondelestuaire.org

Company type

Private

Founded year

1992

Operating status

Operating

Headcount range

1–10 employees

Short description

Maison de l'Estuaire is a French non-profit association founded in 1992 that manages the 8,528-hectare Réserve naturelle nationale de l'estuaire de la Seine under state delegation, conducting ecological monitoring, habitat restoration, and public environmental education in Normandy.

Ownership category

akta.pro rank

Product category

Nature Conservation Services

NAICS

Nature Parks and Other Similar Institutions (712190), Nature Parks and Other Similar Institutions (71219)

SIC

Services-Amusement & Recreation Services (7900)

akta.pro primary industry

Wildlife Interpretation & Education Centers (Visitor Centers, Museums) (THAAAFAG)

akta.pro secondary industries

Wildlife Sanctuaries & Rescue Centers (Visitor Operations) (THAAAFAA), Terrestrial Ecology & Habitat Surveys (EUAHAHAA)

Keywords

• Nature reserve management
• Ecological monitoring services
• Environmental education programs
• Biodiversity conservation
• Natura 2000 site management

Headquarters

HQ city

Le Havre, Normandie

HQ country

France

HQ region

Europe

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Public subsidies and governmental funding: The association operates primarily through public funding from governmental bodies. Main funders include the Ministère de la Transition Écologique (Ministry of Ecological Transition), l'Agence de l'Eau Seine-Normandie (Seine-Normandy Water Agency), HAROPA (port authority), and le Conservatoire du Littoral (Coastal Protection Agency). This constitutes the core operational funding for managing the nature reserve.
2. Public visitor events and animations: Revenue generated from paid public events including nature walks, boat tours, and family activities. Pricing includes 8€ per adult, 5€ per child for general activities, and boat tours at 25€ for adults and 18€ for children (4-12 years) with family packages available.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels8 records

Core offering

Maison de l'Estuaire is a non-profit association that manages the 8,528-hectare Réserve naturelle nationale de l'estuaire de la Seine on behalf of the French State, conducting scientific monitoring of birds, amphibians, and flora. It delivers public nature animations, family activities, school pedagogical programs, and boat tours, and acts as the official animator for the Natura 2000 ZSC and ZPS sites in the Seine estuary.

Product overview

MAISON DE L'ESTUAIRE is a non-profit association (association loi 1901) established in 1992, not a commercial technology company. Its core mission is the management of the Réserve naturelle nationale de l'estuaire de la Seine (National Nature Reserve of the Seine Estuary), created on December 31, 1997. The organization does not offer commercial technology products or services. Its activities focus on ecological conservation, including managing the 8,528-hectare nature reserve, conducting scientific monitoring of flora and fauna (particularly birds), providing public environmental education and nature animations, managing hiking trails (six pedagogical paths), and administering the Natura 2000 site (Zone de Protection Spéciale and Zone Spéciale de Conservation).

Differentiator

Problem solved

Functional benefit

Brands

• Observatoire Avifaune: Avifauna observatory responsible for monitoring bird populations in the Seine estuary and lower Seine valley

Products and services

• Nature animations and family activities (Mercredi Nature, rallies, discovery walks) Guided nature walks, family rallies, and seasonal discovery activities ('Mercredi Nature') for the general public and families in the Seine estuary reserve. Events include nature rallies, boat tours, and supervised family activities priced at 8€ per adult and 5€ per child with family packages available.
• Boat tour 'La Réserve en Seine' Boat excursion through the Seine estuary reserve departing from Le Havre (and Trouville-sur-Mer), co-organized with Vedettes Baie de Seine and the Pôle métropolitain de l'estuaire de la Seine, with commented tours delivered by Maison de l'Estuaire staff. Priced at 25€ adult, 18€ child (4-12), free under 4, with a family package at 75€.
• School and extracurricular pedagogical programs (animations pédagogiques) Pedagogical nature animations and group visits for primary, secondary schools, and périscolaires (extracurricular groups), supported by the 'Guide des animations pédagogiques' and 'Brochure des visites de groupe'. Programs cover the reserve's habitats, species, and environmental themes.
• Natura 2000 site animation and DOCOB management for the Seine estuary ZSC and ZPS Official animator role for the Zone Spéciale de Conservation (ZSC) of the Seine Estuary and co-management with PNR des Boucles de la Seine Normande of the 18,880-hectare Zone de Protection Spéciale (ZPS) 'Estuaire et marais de la basse Seine', including DOCOB updates and European directive compliance under the Habitat and Birds directives.
• State-delegated management of the Réserve naturelle nationale de l'estuaire de la Seine Operational management of the 8,528-hectare national nature reserve on behalf of the French State, including ecological monitoring (ornithological, amphibian, floristic), habitat restoration (e.g., Jussie eradication), regulatory enforcement within the protected zone, and execution of the approved 4th management plan (2018-2028).
• Habitat restoration and invasive species control services Ecology-driven habitat restoration works in the reserve, including Jussie à grandes fleurs (Ludwigia grandiflora) eradication co-financed by Agence de l'Eau Seine-Normandie at €61,520, and poplar grove restoration in the marais de Cressenval.

Quantifiable outcome

• 14 amphibian species inventoried in the reserve including the protected Triton crêté (Great Crested Newt)
• +1 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

13 partnerships are on record, tiered key, flagship and supporting.

• Vedettes Baie de SeinekeyChannel Partner/ Reseller/ DistributorMaritime tour operator providing boat excursions 'La Réserve en Seine' with commented tours by Maison de l'Estuaire staff. Adults 25€, children 18€.
• Wetlands InternationalflagshipStrategic or Co-development PartnerLead coordinator of the European LIFE AWOM project (2025-2029) for Aquatic Warbler conservation. 14 organizations from Belgium, France, Spain, Portugal, and Senegal collaborating.
• Parc naturel régional des Boucles de la Seine NormandekeyStrategic or Co-development PartnerShared management of the ZPS (Special Protection Zone) with the PNR. Currently coordinating DOCOB update for Natura 2000 sites.
• Pôle métropolitain de l'estuaire de la SeinekeyGTM or Marketing PartnerMetropolitan authority co-organizing boat tours and promoting nature tourism in the Seine estuary region.
• Réserves Naturelles de France (RNF)keyStrategic or Co-development PartnerNational federation of nature reserves providing network support, best practices, and collective advocacy for French nature reserves.
• Agence Régionale de l'Environnement de Normandie (ARE)supportingStrategic or Co-development PartnerRegional environmental agency co-publishing the 'Dossiers de la Maison de l'Estuaire' documentation series.
• Groupe ornithologique normand (GONm)supportingStrategic or Co-development PartnerNormandy ornithological group providing bird observation data validation and species verification (e.g., Faucon d'Eléonore identification).
• Siqual SASsupportingTechnology or IntegrationWebsite developer and host for maisondelestuaire.org. SIRET: 813 392 446 00015. Located at 72 Rue de la République, Le-Petit-Quevilly.
• Cellule de Suivi du Littoral Normand (CSLN)supportingStrategic or Co-development PartnerCoastal monitoring organization providing aerial photography and surveillance data for the estuary.
• HAROPA Port du HavrekeyStrategic or Co-development PartnerOne of the founding members of the association. Port authority and industrial stakeholder in the estuary management.
• HAROPA Port de RouenkeyStrategic or Co-development PartnerOne of the founding members of the association. Port authority stakeholder in the estuary management.
• Chambre de Commerce et d'Industrie Seine-EstuairesupportingStrategic or Co-development PartnerFounding member representing business and commerce interests in the estuary stakeholder governance.
• Pays d'art et d'histoire / Le Havre Seine MétropolesupportingGTM or Marketing PartnerLocal tourism authority co-organizing discovery events and promoting heritage tourism in the estuary area.

Scale indicators6 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Agence Régionale de l'Environnement de Normandie (ARE): Regional environmental agency co-publishing documentation series with Maison de l'Estuaire. Directly comparable in coordinating environmental programs, publishing scientific and educational material, and supporting conservation stakeholders in Normandy.
• Conservatoire du Littoral: French coastal protection agency that is both a funder of Maison de l'Estuaire and a direct peer in coastal land acquisition and conservation management. They share overlapping mandates on the Seine estuary (marais de Cressenval since 1997).
• Réserves Naturelles de France (RNF): National federation of French nature reserves of which Maison de l'Estuaire is a member. RNF operates the same model of delegated reserve management, advocacy, and network coordination, and provides best-practice support that directly shapes Maison de l'Estuaire's operations.
• Parc naturel régional des Boucles de la Seine Normande: Regional natural park sharing co-management of the 18,880-hectare ZPS with Maison de l'Estuaire. Directly comparable in operating a protected area, providing public education, and coordinating with territorial authorities in Normandy.
• Normandie Nature: Regional federation of Normandy nature conservation associations. Direct peer in coordinating environmental NGOs, advocating for protected areas, and supporting ecological monitoring within the Normandy region.
• Groupe Ornithologique Normand (GONm): Normandy ornithological society providing bird observation data and species verification for the Seine estuary reserve. Direct peer on ornithological monitoring methodology, citizen-science coordination, and protected species follow-up.

Broad incumbents

• Office National des Forêts (ONF): French national forestry office managing public forests and protected natural areas on behalf of the State. ONF shares the delegated public-land management model and ecological monitoring mandate, though focused primarily on forest ecosystems rather than estuarine wetlands.
• Wetlands International: Global NGO dedicated to wetland conservation and lead coordinator of the LIFE AWOM project of which Maison de l'Estuaire is a key partner. Comparable in mission focus on estuarine and wetland ecosystems, international project coordination, and policy advocacy.
• Ligue pour la Protection des Oiseaux (LPO): France's largest bird conservation NGO, conducting ornithological monitoring programs across the country including in the Seine estuary region. LPO overlaps with Maison de l'Estuaire on bird monitoring, public engagement, and policy advocacy for protected species.

Regional players

• Bretagne Vivante: Brittany-based conservation association operating nature reserves and ecological monitoring programs. Comparable in operating regional nature reserves with volunteer-based monitoring and public engagement, but geographically focused on Brittany rather than Normandy.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UCaPqqKTqHbrnd2qJiwZVc3Q
• Facebookfacebook.com/pages/R%C3%A9serve-naturelle-Estuaire-de-la-Seine/257202941134601
• Instagraminstagram.com/estuaireseinenature
• LinkedInlinkedin.com/company/maison-de-l'estuaire

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 MAISON DE L'ESTUAIRE