ODIS

What ODIS does

ODIS (Online Database voor Intermediaire Structuren) is a Belgian non-profit association (vzw ODIS) that operates a contextual web database for the study of intermediate structures — specifically civil society organizations — in 19th and 20th century European history. The platform cross-references seven entity types (organizations, persons, families, publications, archives, buildings, and events) using international standards-based thesauri adapted for Western European historical contexts, with a multilingual Dutch/English interface and spatial visualization capabilities. As of 31/12/2025, the database contains 319,422 records, with 51,000+ users consulting 336,047 records in 2025.

The underlying technology is a web-based contextual database that integrates multiple data series into a single technical environment, validated and continuously updated by a consortium of ten Flemish archive and research institutions (four founding partners — ADVN, Amsab-ISG, KADOC-KU Leuven, Liberas — and six additional partners including AMVB, CAVA, PARCUM, and others). ODIS was originally built in 2000-2003 with FWO-Max Wildiers funding, modernized as ODIS-2 in 2009-2014 with Hercules Foundation support, and is currently undergoing a comprehensive transition (2022-2027) funded by FWO Vlaanderen. There is no API, no mobile application, and no AI/ML layer; the platform is accessed directly via odis.be.

ODIS is grant-funded and does not generate commercial revenue. The database is free to use under a Creative Commons CC BY-NC-SA 4.0 license, with commercial use requiring explicit prior permission. The primary customer segments are academic researchers and historians, cultural heritage organizations, and heritage enthusiasts. There is no traditional sales or marketing motion; the organization relies on academic channels (conferences, workshops, annual partner meetings, scholarly publications) and direct web access. Operating costs are covered by research grants, with 25 employees housed at the Leuven headquarters hosted by KADOC-KU Leuven.

Name

ODIS

Legal name

ODIS vzw

Website

https://odis.be

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

11–50 employees

Short description

ODIS is a Belgian non-profit association operating a free, multilingual web database for studying 19th-20th century European civil society organizations, serving academic researchers, cultural heritage institutions, and heritage enthusiasts with a validated 319,422-record corpus maintained by ten partner archives.

Ownership category

akta.pro rank

Product category

Historical Research Database

NAICS

Libraries and Archives (51921), Libraries and Archives (519210), Web Search Portals, Libraries, Archives, and Other Information Services (519)

SIC

Services-Computer Programming, Data Processing, Etc. (7370), Services-Computer Integrated Systems Design (7373)

akta.pro primary industry

Reference Data Management (RDM) (HDAEADAE)

akta.pro secondary industry

Data Virtualization & Federation (HDAEACAH)

Keywords

• Historical research databases
• Civil society archives
• Cultural heritage data
• Contextual data platforms
• Archival information systems

Headquarters

HQ city

Leuven

HQ country

Belgium

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

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

Revenue model

1. Research funding and grants: ODIS vzw is a non-profit association funded through research grants and institutional support. Initial construction (2000-2003) was funded by FWO-Max Wildiers. Major modernization (2009-2014) funded by the Hercules Foundation. Current renewal (2022-2027) funded by FWO Vlaanderen.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

ODIS vzw operates a dynamic contextual web database (ODIS-databank) for studying intermediate structures (civil society organizations) in 19th and 20th century European history. The database integrates cross-referenced data series on organizations, persons, families, publications, archives, buildings, and events, validated and continuously updated by a consortium of Flemish heritage and research institutions. Access is provided through a multilingual (Dutch/English) web platform at odis.be, with content licensed under Creative Commons CC BY-NC-SA 4.0.

Product overview

ODIS is a single unified product - the ODIS-databank (ODIS-webdatabank) - a web-based contextual database for studying civil society history. The database integrates multiple data series (organizations, persons, families, events, buildings, periodicals, and archives) into one technical environment, allowing researchers to cross-reference and analyze historical civil society data with multilingual support and spatial mapping capabilities. Multiple partner organizations contribute data through separate input groups within the shared platform.

Differentiator

Problem solved

Functional benefit

Products and services

• ODIS-databank (ODIS-webdatabank) A dynamic contextual web database for studying intermediate structures (civil society organizations) in 19th and 20th century European history. It integrates cross-referenced data series on organizations, persons, families, events, buildings, periodicals, and archives, with multilingual (Dutch/English) access, spatial analysis capabilities, and content licensed under Creative Commons CC BY-NC-SA 4.0. It is designed for academic researchers, historians, and cultural heritage professionals.

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eleven partnerships are on record, tiered core and secondary.

• ADVN (Archief en Documentatiecentrum voor het Vlaams-Nationalisme)coreStrategic or Co-development Partner · 10 October 2006Founding partner of ODIS vzw. ADVN contributes archival expertise on Flemish nationalism and related civil society movements to the database.
• Amsab-Instituut voor Sociale Geschiedenis (Amsab-ISG)coreStrategic or Co-development Partner · 10 October 2006Founding partner providing expertise on social history and socialist/social democratic movements in Belgium. Contributes to data series on labor movement organizations.
• KADOC-KU LeuvencoreStrategic or Co-development Partner · 10 October 2006Founding partner and host institution of ODIS. Provides expertise on religious and Catholic civil society organizations and houses the ODIS office.
• Liberas (formerly Liberaal Archief)coreStrategic or Co-development Partner · 10 October 2006Founding partner contributing expertise on liberal civil society organizations and archives. Currently hosting the ODIS meeting day 2026.
• Archief en Museum voor het Vlaams Leven te Brussel (AMVB)secondaryStrategic or Co-development PartnerPartner organization contributing to the database with archives related to Flemish life and culture in Brussels.
• Centrum voor Academische en Vrijzinnige Archieven (CAVA)secondaryStrategic or Co-development PartnerPartner contributing archives related to academic and secular/free-thinking civil society.
• Digitaal Archief Vlaanderen (DAV) - Het Facilitair BedrijfsecondaryStrategic or Co-development PartnerPartner from the Flemish government contributing digital archiving expertise and infrastructure.
• PARCUMsecondaryStrategic or Co-development PartnerPartner focused on ecclesiastical heritage and church-related archives.
• Protestants-Evangelisch Archief- en Documentatiecentrum (Evadoc)secondaryStrategic or Co-development PartnerPartner contributing archives related to Protestant and evangelical civil society organizations.
• Provinciaal Archief West-VlaanderensecondaryStrategic or Co-development PartnerRegional partner contributing archives from West Flanders province.
• Universiteitsarchief KU LeuvensecondaryStrategic or Co-development PartnerUniversity archive partner contributing academic and institutional records.

Scale indicators10 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Wikidata: Wikidata is a large-scale, open linked-data knowledge base used widely in digital humanities research. ODIS shares the linked-data philosophy and open-access model but focuses on a curated, expert-validated slice of Flemish civil society history rather than general knowledge.
• Europeana Foundation: Europeana is the EU's flagship digital cultural-heritage platform, aggregating millions of records from European libraries, archives and museums. ODIS is comparable in mission (cross-institutional European cultural heritage data) but operates at a much smaller, more specialized (civil society history) scale.
• Delpher: Delpher is the Dutch national platform for digitized historical books, newspapers and periodicals. Comparable to ODIS in mission (open access to historical Dutch-language content) but much broader in scope and content type.

Others

• Clio-online: Clio-online is a German hub for historical sciences, providing article databases, reviews and links to digital history resources. Comparable to ODIS in serving as a discovery layer and information hub for academic historical research, though at a different national scale.

Direct peers

• Archiefbank Vlaanderen: Archiefbank is a Flemish public archive discovery layer that indexes archival institutions and their collections. ODIS is a direct peer in the Flemish cultural-heritage data space, with overlap on archival and organizational metadata.
• meemoo (Flemish Institute for Archiving): meemoo is a Flemish non-profit that provides digital archiving services and infrastructure to cultural heritage organizations. ODIS is a direct peer as a Flemish heritage data consortium, with overlapping partner institutions and infrastructure funding streams.

Regional players

• BONAS (Belgian Online Available Newspapers): BONAS aggregates digitized Belgian newspapers for academic research. Comparable to ODIS as a Belgian heritage-research platform that links periodicals and organizational references, though with a different primary content type (press vs. civil society).
• RKD (Rijksbureau voor Kunsthistorische Documentatie): The Netherlands Institute for Art History operates standardized web databases (RKDartists, RKDimages) for cultural heritage research. Comparable in being a curated, partner-fed, multilingual linked-data platform for humanities research, though focused on art history rather than civil society.
• Centrum voor Familiegeschiedenis (CBG|Centrum voor familiegeschiedenis): A Dutch/Belgian genealogical and family-history research center with open online databases comparable to ODIS's person- and family-level data series. Peer overlap is on biographical and genealogical use cases in the Low Countries.
• DBNL (Digitale Bibliotheek voor de Nederlandse Letteren): DBNL is a Dutch-language digital library for literary texts and biographical/critical resources. Comparable to ODIS as a curated, academically validated Low Countries humanities database with thematic biographical and organizational metadata.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/odis

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 ODIS