GRETIA

What GRETIA does

GRETIA (GRoupe d'ÉTude des Invertébrés Armoricains) is a French non-profit association (association loi 1901) founded on March 22, 1996, dedicated to the study and conservation of invertebrates across the Armorican Massif in western France. The organization operates as the lead reference ('chef de file') for invertebrate fauna across three French regions — Bretagne, Normandie, and Pays de la Loire — coordinating a network of approximately 200 volunteer members supported by 14 permanent salaried employees distributed across three regional antenna offices in Rennes (headquarters), Hérouville-Saint-Clair (Normandie), and Nort-sur-Erdre (Pays de la Loire). Under the direction of Julie Alléin, GRETIA functions both as a scientific knowledge hub and a community association for amateur naturalists.

Its core technological and intellectual asset is the GeoNature biodiversity data management platform (hosted at outils.gretia.org/geonature), which holds the Invertébrés Armoricains database covering the Armorican Massif and its margins. The association also publishes the aperiodic scientific journal 'Invertébrés Armoricains, les Cahiers du GRETIA' (Issue No. 19 most recently released), a semiannual bulletin, member directories, and operates an online forum (since April 2007) and email newsletter system to facilitate continuous member exchange and knowledge aggregation.

GRETIA's revenue is built on three streams: recurring membership fees (€7–€40 annually across four tiers — student/unemployed, individual, couple, organization), tax-deductible donations (enabled since 2008 via recognition as an organization of general interest, providing donors a 66% tax reduction), and project-based funding from regional councils and public organisms (including FEDER, Contrat Nature, and PNA programs) for conservation, atlas projects, and species inventories. Primary customer segments are amateur naturalists and invertebrate enthusiasts, regional and local authorities, and partner nature conservation associations, with go-to-market executed via a community-led model combining digital presence (website, Facebook), publications, and field-based activities (weekend expeditions, training sessions, atlas projects).

Name

GRETIA

Legal name

GRoupe d'ÉTude des Invertébrés Armoricains (GRETIA - association loi 1901)

Website

https://gretia.org

Company type

Private

Founded year

1996

Operating status

Operating

Headcount range

11–50 employees

Short description

GRETIA is a French non-profit association founded in 1996 that studies and conserves invertebrates across the Armorican Massif in Bretagne, Normandie, and Pays de la Loire. It coordinates a 200-volunteer network with 14 staff and operates the GeoNature data platform, funded by memberships, donations, and regional government grants.

Ownership category

akta.pro rank

Headquarters

HQ city

Rennes

HQ country

France

HQ region

Europe

Offices4 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Membership fees: Annual membership fees from individuals, couples, students, and organizations provide core recurring revenue
2. Donations: Tax-deductible donations from members and supporters; association recognized as being of general interest since 2008, allowing donors to benefit from 66% tax reduction
3. Government and regional funding: Project-based funding from regional councils and public organisms for specific conservation and research programs (FEDER, Contrat Nature, PNA)

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

GRETIA is a French non-profit association that aggregates, studies, and disseminates knowledge on invertebrates in the Armorican Massif (Bretagne, Normandie, Pays de la Loire) through a member-driven model. It produces scientific publications, atlas projects, biodiversity monitoring data, field expeditions, and training, supported by a proprietary GeoNature database. Its funding derives from membership subscriptions, tax-deductible donations, and project-based public grants.

Product overview

GRETIA is a non-profit association (association loi 1901) focused on the study of invertebrates in the Armorican Massif region (Bretagne, Normandie, Pays de la Loire). The organization offers a portfolio of publications including the aperiodic journal 'Invertébrés Armoricains, les Cahiers du GRETIA' and the semiannual 'Le bulletin'. Additional offerings include member directories, community forums, email newsletters, and social media presence. The association also operates GeoNature, a biodiversity data management tool for managing invertebrate databases.

Differentiator

Problem solved

Functional benefit

Products and services

• Invertébrés Armoricains, les Cahiers du GRETIA Aperiodic scientific journal dedicated to invertebrates of the Armorican Massif and its margins, open to all invertebrate ecologists. Contains articles on fauna, hunting notes, inventories, and identification keys.
• Le bulletin A semiannual publication containing activity reports, study summaries, atlas progress updates, and information about invertebrates of the Armorican Massif.
• L'annuaire du GRETIA A directory distributed to members containing contact information, taxa studied, and areas of interest for each member.
• Le forum du GRETIA An online exchange forum initiated in April 2007, allowing daily exchanges among members and creating a useful history for the board and employees.
• Les mails-infos A semi-annual information system sending approximately ten emails per year to members with internal and general information.
• Site internet GRETIA The association's website providing information about activities, resources, publications, and membership, originally created in 2004 and renovated in 2017.
• Adhésion GRETIA (Individual membership) Annual membership subscription for individuals at 20€ per year, providing access to the association's publications, field activities, and community resources.
• Adhésion GRETIA (Couple membership) Annual membership subscription for couples at 27€ per year, providing access to the association's publications, field activities, and community resources.
• Adhésion GRETIA (Reduced rate membership) Annual membership subscription at 7€ per year for students and unemployed persons.
• Adhésion GRETIA (Organization membership) Annual membership subscription at 40€ per year for organizations and legal entities.
• Field activities, weekend expeditions, and citizen science training Weekend expeditions, training sessions, and citizen science programs open to members across the three regional antennae.
• Atlas projects and biodiversity inventories Atlas projects, species inventories, and biodiversity monitoring delivered by GRETIA in collaboration with public-sector and conservation partners across western France.

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Three partnerships are on record, tiered core.

• Pays d'Iroise CommunautécoreStrategic or Co-development PartnerPartnership for organizing field activities and expeditions, specifically supporting multigroup prospection events in the Pays d'Iroise territory
• Biodiversité BretagnecoreStrategic or Co-development PartnerCollaboration on the Observatoire Régional Thématique sur les invertébrés continentaux de Bretagne (Regional Thematic Observatory on Continental Invertebrates of Brittany)
• Regional councils and public organismscoreStrategic or Co-development PartnerWorks in partnership with public organisms and local authorities across Bretagne, Normandie, and Pays de la Loire regions for biodiversity conservation projects

Scale indicators3 records

Recent moves6 records

Expansion highlights3 records

Broad incumbents

• LPO France (Ligue pour la Protection des Oiseaux): Largest French association for biodiversity and species conservation, with a membership-based model and reliance on volunteer naturalists producing atlases and observation data; comparable in mission and community structure, though GRETIA is invertebrate-focused.
• UICN France: French committee of the International Union for Conservation of Nature, focused on species and habitat conservation with a network of experts and member organizations; comparable as a nonprofit reference body for biodiversity in France.
• Muséum national d'Histoire naturelle (MNHN): Major French public institution conducting biodiversity research, maintaining natural history collections, and producing scientific publications on invertebrates; comparable as a reference body for taxonomic knowledge and species data.

Emerging players

• Noé (Noé Conservation): French nonprofit focused on biodiversity conservation and citizen science programs, with overlapping ecosystem of volunteer naturalists, regional offices, and public-funded conservation projects nationwide.

Direct peers

• Bretagne Vivante - SEPNB: Regional natural history association in Brittany operating as a membership-based nonprofit focused on biodiversity surveys, species inventories, and volunteer-driven conservation, with directly overlapping geographic scope and member-driven model to GRETIA.
• Arthropologia: French nonprofit focused on arthropod conservation, citizen science, and public education, with a similar volunteer/membership model and emphasis on invertebrate biodiversity surveys.
• OPIE (Office Pour les Insectes et leur Environnement): National French association dedicated to entomology and insect conservation, with a membership-driven model, publication activities, and a species-focused data mission that directly parallels GRETIA's invertebrate work.

Others

• Inventaire National du Patrimoine Naturel (INPN): National platform for biodiversity data operated by MNHN, where volunteer-powered naturalists including GRETIA contribute observation records; comparable as the institutional data infrastructure that GRETIA's dataset feeds into.

Regional players

• Groupe ornithologique et naturaliste du Nord - Pas-de-Calais (GON): Regional naturalist association in northern France using a volunteer-driven model to produce atlases and biodiversity monitoring datasets, comparable in structure and mission to GRETIA but operating in a different French region.
• Société d'Étude et de Protection de la Nature en Touraine (SEPANT): Regional natural history association in central France with member-based structure, conservation projects, and species inventory activities paralleling GRETIA's regional nonprofit model.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/assogretia
• LinkedInlinkedin.com/company/gretia

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 GRETIA