Entente Oise-Aisne
Entente Oise-Aisne is a French public territorial basin establishment (EPTB) coordinating flood prevention and aquatic environment management across the 16,934 km² Oise-Aisne watershed for 36 member collectivities, operating hydraulic infrastructure, real-time monitoring networks, and the Inond'action 80% subsidy program.
- Company typePrivate
- Founded1968
- HeadquartersCompiègne, France
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Entente Oise-Aisne does
Entente Oise-Aisne is a French public territorial basin establishment (Établissement public territorial de bassin, or EPTB) operating as a syndicat mixte ouvert since its 2018 statutory reform. Founded in 1968 as an inter-departmental institution and recognized as an EPTB by inter-prefectural decree n° 2010-407 on April 15, 2010, the organization is mandated to coordinate flood risk prevention and aquatic environment management across the 16,934 km² watershed of the Oise, the Aisne, and their tributaries. It exercises 'à la carte' competencies on natural risks (river flooding, runoff, mudslides) and aquatic environment quality on behalf of 36 member collectivities — communes, EPCI, departments, and regions.
The entity manages 47 hydraulic structures (30 embankment systems, 7 dams, 8 flood retention basins, plus culvert and river reopening works), operates a real-time water-level and flow measurement network, an SMS-based population alert system, and an Inond'action subsidy program covering up to 80% of individual flood-protection works. Other core offerings include the PAPI de la vallée de l'Oise flood prevention action program, Gestion des milieux aquatiques (GEMA) services in the Oise-moyenne Noyonnaise basin, customized runoff management installations with 20-year conventions on agricultural land, risk-sensitization programs (including an educational board game for schools that reached 280 students in 2025), and a documentation/publication suite. Operations are delivered from headquarters in Compiègne and a GEMA service office in Noyon staffed by three agents.
Entente Oise-Aisne does not earn commercial revenue. It is funded through annual cotisations from member collectivities (calculated on population and watershed area), the GEMAPI tax levied by member EPCI, and project-based subsidies from Agence de l'eau Seine Normandie (including 100% financing for the Seuil Pasteur project at €2.2M HT), Région Hauts-de-France, Région Île-de-France, and the Fonds Barnier. Governance rests with a Comité Syndical of elected representatives from the 36 members, with Gérard Seimbille serving as President since 2002 and re-elected on June 24, 2026.
Entente Oise-Aisne firmographics
Firmographics- Name
- Entente Oise-Aisne
- Legal name
- Entente Oise Aisne
- Website
- https://oise-aisne.net
- Company type
- Private
- Founded year
- 1968
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Entente Oise-Aisne is a French public territorial basin establishment (EPTB) coordinating flood prevention and aquatic environment management across the 16,934 km² Oise-Aisne watershed for 36 member collectivities, operating hydraulic infrastructure, real-time monitoring networks, and the Inond'action 80% subsidy program.
- Ownership category
- akta.pro rank
Entente Oise-Aisne industry classification
Industry- Product category
- Flood Prevention and Watershed Management Services
- NAICS
- Administration of Air and Water Resource and Solid Waste Management Programs (924110)
- SIC
- Services-Facilities Support Management Services (8744)
- akta.pro primary industry
- Water Resources Administration (Watersheds, Rivers, Groundwater) (BPAIAMAE)
- akta.pro secondary industry
- Water & Wastewater Infrastructure Asset Management (EUAEAMAH)
Keywords
Where Entente Oise-Aisne is headquartered
LocationHeadquarters
- HQ city
- Compiègne
- HQ country
- France
- HQ region
- Europe
Offices2 records
Markets served
Entente Oise-Aisne business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Infrastructure, Operations, Others
Revenue model
- Cotisations des membres: Annual contributions from member collectivities based on population and watershed area for runoff services. The organization exercises 'à la carte' competencies on natural risks and aquatic environment quality.
- Taxe GEMAPI: As a public establishment, Entente Oise-Aisne benefits from the GEMAPI (Gestion des Milieux Aquatiques et Prévention des Inondations) tax levied by member EPCI to fund water management and flood prevention activities.
- Subventions d'investissement: Project-based funding from the Agence de l'eau Seine Normandie (100% financing for projects like the Seuil Pasteur), regional councils (Hauts-de-France, Île-de-France), and the Fonds Barnier for flood risk prevention works.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Cotisation based on population and watershed area |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels7 records
Entente Oise-Aisne product offering
Product offeringCore offering
Entente Oise-Aisne is a French public territorial basin establishment (EPTB, syndicat mixte ouvert) that manages flood prevention and aquatic environment protection across the 16,934 km² Oise and Aisne river basin. It operates and maintains 47 hydraulic structures (30 dike systems, 7 dams, 8 flood retention basins), delivers aquatic environment restoration, rural runoff management, real-time hydrometric monitoring, the PAPI flood prevention program, and the Inond'action financing program that subsidizes 80% of individual flood protection works for member collectivities and residents.
Product overview
Entente Oise-Aisne is a public territorial basin establishment (syndicat mixte ouvert, Établissement public territorial de bassin) managing flood prevention and aquatic environment protection across the 16,934 km² Oise and Aisne river basin. The organization operates a portfolio of infrastructure management services centered on hydraulic structures (47 dams, dikes, and flood regulation sites), aquatic environment restoration, and rural runoff management. Key offerings include the Inond'action financing program (covering 80% of protection work costs), real-time hydrological monitoring networks, the PAPI flood prevention program, and community education initiatives. Services are delivered through an 'à la carte' competence model to 36 member collectives, with teams based in Compiègne and a GEMA service office in Noyon.
Differentiator
Problem solved
Functional benefit
Products and services
- Dispositif Inond'action A financing program providing up to 80% funding for flood protection works, offering financial assistance to homeowners and municipalities for implementing individual protection measures against flooding.
- Gestion des ouvrages hydrauliques
- Gestion des milieux aquatiques (GEMA)
- Gestion du ruissellement
- Réseau de mesures
- PAPI de la vallée de l'Oise
Quantifiable outcome
- 47 hydraulic structures managed including 30 embankment systems, 7 dams, 8 flood retention basins
- +3 more outcomes
Companies that use Entente Oise-Aisne
Customer profileNamed customers6 records
Segments4 records
Ideal customer profiles3 records
Entente Oise-Aisne technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Entente Oise-Aisne partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered core and minor.
- Communauté d'agglomération de la Région de Château ThierrycoreNew EPCI member that joined the Entente in September 2025, transferring competencies for flood prevention and water management.
- Région Île-de-FrancecoreThe Île-de-France Region joined Entente Oise-Aisne in October 2023, expanding the organization's regional coverage and demonstrating cross-regional cooperation on water management issues.
- Société du Canal Seine-Nord EuropeminorPartnership for environmental considerations in the development of the Canal Seine-Nord Europe project, signed in June 2022.
- VNF (Voies Navigables de France)coreRegular coordination meetings between Entente Oise-Aisne and VNF for projects including the Canal Seine-Nord Europe development and shared water resource management.
- Seine Grands LacsminorKnowledge sharing and collaboration with the Seine basin water management authority.
- SDEA Alsace-MoselleminorPartnership for sharing the Inond'action information system and prevention tools with SDEA Alsace-Moselle territories.
- Chambre d'agriculture de l'OiseminorCollaboration with agricultural chamber for addressing flooding impacts on farmland and developing runoff management solutions with farmers.
- Conservatoire d'espaces naturels des Hauts-de-FranceminorCollaboration on Appilly flood risk management projects and environmental preservation.
Scale indicators5 records
Recent moves8 records
Expansion highlights5 records
Entente Oise-Aisne competitors and assessment
Company assessmentOthers
- Bureau de Recherches Géologiques et Minières (BRGM): French public geological survey providing hydrogeological data, flood studies, and groundwater modeling used by basin authorities. Comparable as an adjacent public-sector technical resource that supports flood risk modeling of the type Entente Oise-Aisne performs.
- Office Français de la Biodiversité (OFB): French public agency supporting biodiversity and water environment policy. Comparable as a broader public-sector actor with overlapping aquatic environment management interests relevant to Entente Oise-Aisne's GEMA competency.
- Agence de l'eau Seine-Normandie: French water agency providing subsidies and coordinating water policy across the Seine-Normandie basin. Comparable as the principal financial partner providing 100% project financing, and a key institutional actor in the same basin governance ecosystem.
Direct peers
- EPTB Rhône: Another major French EPTB managing water resources and flood risk along the Rhône basin. Directly comparable in statutory form (EPTB), scope (large watershed coordination), and reliance on member cotisations and water-agency co-funding.
- EPTB Loire: Établissement public Loire, an EPTB coordinating flood prevention and water management across the Loire river basin. Directly comparable as a national peer EPTB with basin-wide coordination mandate, hydraulic infrastructure, and member collectivities funding model.
- SDEA Alsace-Moselle: Syndicat des Eaux et de l'Assainissement Alsace-Moselle, a mixed syndicate providing water and flood prevention services in eastern France. Directly comparable given its existing partnership to license Entente's Inond'action information system and similar flood/runoff management mandate.
- EPTB Dordogne (EPIDOR): Public establishment managing integrated water resources along the Dordogne basin. Comparable as a peer EPTB with similar flood prevention, hydraulic structure management, and member collectivities governance model.
- Seine Grands Lacs (EPTB Seine Grands Lacs): Another French Établissement public territorial de bassin managing flood prevention and water resource coordination across the upstream Seine basin. Directly comparable as a peer EPTB with similar statutory mandate, member-based funding model, and hydraulic infrastructure management responsibilities.
- EPTB Garonne (SMEAG): Syndicat Mixte d'Études et d'Aménagement de la Garonne, an EPTB for the Garonne basin. Comparable as a directly analogous French basin authority coordinating flood prevention, water quality, and member-funded hydraulic infrastructure.
Broad incumbents
- Voies Navigables de France (VNF): French public operator of navigable waterways and inland waterway infrastructure. Comparable as a broader public-sector water infrastructure actor with overlapping interest in basin-level coordination; existing strategic partner of Entente Oise-Aisne on Canal Seine-Nord Europe.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights7 records
Customer concentration
Entente Oise-Aisne social profiles
Digital presenceEntente Oise-Aisne financial estimates
Financial estimateRevenue estimate
Valuation estimate
Entente Oise-Aisne leadership team
Management profileNumber of profiles
Profiles1 record
Entente Oise-Aisne funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Entente Oise-Aisne M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Entente Oise-Aisne
What does Entente Oise-Aisne do?
Entente Oise-Aisne is a French public territorial basin establishment (EPTB, syndicat mixte ouvert) that manages flood prevention and aquatic environment protection across the 16,934 km² Oise and Aisne river basin. It operates and maintains 47 hydraulic structures (30 dike systems, 7 dams, 8 flood retention basins), delivers aquatic environment restoration, rural runoff management, real-time hydrometric monitoring, the PAPI flood prevention program, and the Inond'action financing program that subsidizes 80% of individual flood protection works for member collectivities and residents.
Is Entente Oise-Aisne a public or private company?
Entente Oise-Aisne is a private company. It is classified as state government owned and is currently operating.
When was Entente Oise-Aisne founded?
Entente Oise-Aisne was founded in 1968. It employs 11 to 50 people.
Where is Entente Oise-Aisne based?
Entente Oise-Aisne is headquartered in Compiègne, France, in the Europe region.
How does Entente Oise-Aisne make money?
Three revenue lines are on record. Cotisations des membres are the primary driver. The others are taxe GEMAPI and subventions d'investissement.
Who are Entente Oise-Aisne's main competitors?
Others on record are Bureau de Recherches Géologiques et Minières (BRGM), Office Français de la Biodiversité (OFB) and Agence de l'eau Seine-Normandie. Direct peers are EPTB Rhône, EPTB Loire, SDEA Alsace-Moselle, EPTB Dordogne (EPIDOR), Seine Grands Lacs (EPTB Seine Grands Lacs) and EPTB Garonne (SMEAG). Voies Navigables de France (VNF) is listed as a broad incumbent.
Does Entente Oise-Aisne have an API?
No public API is recorded for Entente Oise-Aisne.
What industry is Entente Oise-Aisne in?
Entente Oise-Aisne's product category is Flood Prevention and Watershed Management Services. Its primary akta.pro industry code is BPAIAMAE, Water Resources Administration (Watersheds, Rivers, Groundwater), with a secondary code of EUAEAMAH, Water & Wastewater Infrastructure Asset Management. Its NAICS code is 924110 and its SIC code is 8744.