OCLC
OCLC is a nonprofit library cooperative operating the world's largest bibliographic infrastructure (WorldCat, 610M+ records), serving nearly 30,000 member libraries in 100+ countries through cloud-based library management, discovery, resource sharing, and digital content platforms.
- Company typePrivate
- Founded1967
- HeadquartersDublin, United States
- Headcount1,001–5,000
- GTM typeB2B
- OfferingSoftware
What OCLC does
OCLC is a nonprofit membership cooperative founded in 1967 that operates the world's largest library technology infrastructure, serving nearly 30,000 member libraries across 100+ countries spanning academic, public, research, special, school, and consortia segments. The organization is headquartered in Dublin, Ohio, employs 1,001-5,000 people, and processes over 40 million search requests daily. Member libraries participate in cooperative governance through a 24-member Leaders Council and a 14-member Board of Trustees (more than half librarians), and elect six trustees. OCLC is a 501(c)(3) tax-exempt entity under U.S. IRS rules, with for-profit subsidiaries in Europe (Netherlands, UK, Germany, Switzerland, Italy), Canada, Mexico, Australia, and China to manage regional operations.
The core technology platform centers on WorldCat, the world's largest bibliographic database with 610+ million records and 4+ billion accessible items across 3,426+ publisher collections. Built atop WorldCat is WorldShare Management Services (WMS), a fully integrated cloud-based library services platform covering acquisitions, cataloging, circulation, resource sharing, and analytics. Complementary products include WorldCat Discovery for single-search access, WorldShare Interlibrary Loan connecting 10,000+ libraries in 50+ countries, ILLiad for high-volume ILL automation, EZproxy for authentication, Dewey Services for classification, cloudLibrary for digital lending, CONTENTdm for digital collections, VIAF for authority file linking, and emerging linked-data capabilities through OCLC Meridian and WorldCat Entities. OCLC maintains an extensive security and compliance portfolio including FedRAMP, GovRAMP, ISO 27001/27017/27018/27701, SOC 2, and country-specific certifications across Italy, Spain, UK, and Texas.
OCLC generates revenue through subscription-based cost-sharing, where member libraries pay for products and services aligned with usage volumes; pricing is quote-based and annually billed. The organization targets a 2-4% annual surplus on a 4-6% rolling five-year average for long-term financial viability and reinvests in R&D at a $29-38 million annual run rate. Distribution combines direct enterprise sales (Library Services Consultants, web-based demo requests) with international distribution partners for new regional markets. Recent strategic activity includes the 2024 acquisitions of cloudLibrary (digital content platform) and JJH Consulting (higher-education ERP advisory), AI-powered smart fulfillment launched in June 2025, and the Italian Discovery Catalog launched in February 2026. The organization has also implemented workforce reductions in response to broader sector economic headwinds.
OCLC firmographics
Firmographics- Name
- OCLC
- Legal name
- OCLC, Inc.
- Website
- https://oclc.org
- Company type
- Private
- Founded year
- 1967
- Operating status
- Operating
- Headcount range
- 1,001–5,000 employees
- Short description
- OCLC is a nonprofit library cooperative operating the world's largest bibliographic infrastructure (WorldCat, 610M+ records), serving nearly 30,000 member libraries in 100+ countries through cloud-based library management, discovery, resource sharing, and digital content platforms.
- Ownership category
- akta.pro rank
OCLC industry classification
Industry- Product category
- Library Management Software
- NAICS
- Web Search Portals, Libraries, Archives, and Other Information Services (519), Libraries and Archives (51921), Web Search Portals and All Other Information Services (51929)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370)
- akta.pro primary industry
- Enterprise Search, Indexing & Content Discovery (HDAEAGAH)
- akta.pro secondary industries
- Library Collections & Cataloging Services (Acquisitions, Metadata, Circulation) (EDAEAGAE), Digital Library & Electronic Resources Operations (e-Resources, Repositories, Licensing) (EDAEAGAF), Libraries, Archives & Special Collections (BPAGAHAF)
Keywords
Where OCLC is headquartered
LocationHeadquarters
- HQ city
- Dublin
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
OCLC business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Operations, Marketing or Sales, Infrastructure
Revenue model
- Membership Cost-Sharing: OCLC is funded by member libraries' use of shared services and programs. Member libraries share costs through subscriptions to OCLC products and services. The organization strives to generate revenues over expenses of 2-4% annually on a rolling five-year average of 4-6%, maintaining long-term financial viability.
- Product and Service Subscriptions: Libraries and institutions pay for access to various OCLC platforms including WorldShare Management Services, WorldCat Discovery, ILLiad, Dewey Services, and other cataloging/metadata tools. Revenue comes from licensing these services to member institutions.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | WorldShare Management Services - Enterprise library platform |
| Subscription | Annual | WorldCat Discovery - Single search discovery service |
| Subscription | Annual | WorldShare Interlibrary Loan - Resource sharing automation |
| Subscription | Annual | Dewey Services - Classification and linked data |
| Subscription | Annual | ILLiad - Interlibrary loan software |
Go-to-market motion1 record
Distribution channels4 records
Marketing channels8 records
OCLC product offering
Product offeringCore offering
OCLC provides cloud-based library management, metadata, discovery, resource sharing, and digital content platforms to nearly 30,000 member libraries in 100+ countries. Core offerings include the integrated WorldShare Management Services (WMS) platform, WorldCat and WorldCat Discovery for bibliographic search, WorldShare Interlibrary Loan and ILLiad for resource sharing, EZproxy for e-content authentication, Dewey Services for classification, OCLC Meridian for linked data, and the cloudLibrary digital content platform.
Product overview
OCLC provides a comprehensive library technology platform encompassing WorldShare Management Services (WMS) as the core integrated library system, paired with WorldShare Interlibrary Loan for resource sharing. Discovery is handled through WorldCat Discovery and FirstSearch, while cataloging is supported by the Cataloging and Metadata Subscription with tools including WorldShare Collection Manager, WorldShare Record Manager, and Connexion. Supporting products include EZproxy for authentication, Dewey Services for classification, cloudLibrary for digital content, CONTENTdm for digital collections, WebJunction for staff training, and VIAF for authority file linking. The platform is anchored by WorldCat, the world's largest bibliographic database with 610+ million records, and emerging linked data capabilities through WorldCat Entities and OCLC Meridian.
Differentiator
Problem solved
Functional benefit
Brands
- WorldCat: The world's largest library bibliographic database, containing more than 610 million bibliographic records. Foundation for OCLC's cooperative cataloging, discovery, and resource sharing services.
- WorldShare Management Services (WMS)
- WorldCat Discovery
- WorldShare Interlibrary Loan
- EZproxy
- Dewey Services
- ILLiad
- WebJunction
- cloudLibrary
- Hanging Together
- OCLC Next
Products and services
- WorldShare Management Services (WMS) A fully integrated, cloud-based library services platform supporting acquisitions, cataloging, circulation, resource sharing, and analytics in one unified solution for academic, public, research, and special libraries.
- WorldShare Interlibrary Loan A modern, cloud-based interlibrary loan service that automates borrowing and lending across OCLC's network of 10,000+ libraries in 50+ countries, with AI-powered smart fulfillment and e-resource delivery sometimes within 15 minutes.
- WorldCat Discovery A discovery service providing single-search access to WorldCat and 3,426+ publisher collections, connecting users to library resources through a central index of over 4 billion items.
- WorldCat The world's largest library bibliographic database with 610+ million records representing library collections worldwide, serving as the foundation for OCLC's cooperative cataloging, discovery, and resource sharing services.
- ILLiad Windows-based interlibrary loan automation software for high-volume resource-sharing libraries, integrating with WorldShare ILL and third-party systems such as DOCLINE and RapidILL.
- EZproxy Access and authentication software that enables libraries to deliver e-content to users simply, effectively, and securely, no matter where or when they are searching.
- Dewey Services Subscription services based on the Dewey Decimal Classification (DDC) system, including WebDewey for online classification and Dewey linked data with URIs for knowledge graph integration.
- cloudLibrary Digital content platform for public libraries offering ebooks, magazines, newspapers, comics, and streaming media in over 50 languages, serving nearly 500 libraries in 20 countries.
- CONTENTdm Digital collections software for managing and sharing cultural heritage materials, designed for libraries and cultural institutions.
- OCLC Cataloging and Metadata Subscription Subscription service providing unlimited access to WorldCat for cooperative cataloging, with automated MARC record updates and tools including the Connexion client and WorldShare Record Manager.
- Connexion Browser-based and client cataloging tool supporting OCLC cataloging workflows with AI-enhanced capabilities for record creation and enhancement.
- FirstSearch Reference and discovery service providing access to bibliographic databases and research content for library users worldwide.
- VIAF (Virtual International Authority File) Service linking authority files from national libraries worldwide to create a merged file of identity records, supporting consistent authority control.
- OCLC Meridian Linked data platform enabling libraries to create linked data from their catalogs and unlock the power of WorldCat for enhanced discoverability through URI-based entity relationships.
- OCLC Wise Community engagement and patron management system for public libraries with tools for collection management across library branches.
- Tipasa Interlibrary loan management system providing an exceptional experience for library users and simplifying resource sharing complexities for library staff.
- WorldCat.org Public-facing web interface for searching WorldCat, allowing anyone to discover library resources worldwide.
Quantifiable outcome
- Workflows up to four times more efficient than legacy systems or other cloud platforms
- +3 more outcomes
Companies that use OCLC
Customer profileNamed customers9 records
Segments6 records
Ideal customer profiles5 records
OCLC technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration4 records
AI capability7 records
Feature9 records
OCLC partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered core and strategic.
- JJH ConsultingcoreOCLC acquired JJH Consulting, a firm specializing in advising higher education institutions on ERP systems and Workday implementations. The acquisition aims to expand OCLC's services to help universities optimize their enterprise systems, with JJH's founder joining OCLC to lead the new enterprise. Effective immediately upon acquisition.
- cloudLibrary (Digital Solutions Group of Bibliotheca)coreOCLC acquired cloudLibrary, a digital content platform for public libraries, to support digital collections and expand access to digital media. Nearly 500 libraries in 20 countries rely on the platform offering ebooks, magazines, newspapers, comics, and streaming media in over 50 languages. The acquisition involved assets of the Digital Solutions Group of Bibliotheca.
- Taylor & FrancisstrategicTaylor & Francis is a content partner licensing metadata and cataloging records to OCLC for integration into library workflows. As noted by Matthew Kemp, Director, Content & Discovery: 'OCLC are the de facto MARC record and library system experts. Partnering with OCLC means Taylor & Francis can benefit from that expertise and provide library customers with accurate and timely metadata for our hundreds of thousands of e-book titles.'
- Reprints DeskstrategicReprints Desk is an integration partner connecting their document delivery services with OCLC's library network. Tony Landolt, Head of Academic Business Development stated: 'OCLC is one of our valued integration partners. Our partnership brings together the best of both worlds—their footprint and the breadth of our content collection. Together it allows us to serve the research community with streamlined, connected, and efficient on-demand access to literature.'
- Atlas SystemsstrategicAtlas Systems is the primary developer for OCLC ILLiad, having expanded and enhanced the software originally developed by Virginia Tech ILL staff. Atlas Systems continues to be a vital provider to OCLC for support and development of ILLiad.
Scale indicators9 records
Recent moves6 records
Expansion highlights6 records
OCLC competitors and assessment
Company assessmentBroad incumbents
- ProQuest (Clarivate): ProQuest, now part of Clarivate, provides library content, e-books, dissertations, and research tools and overlaps with OCLC's content-sharing and discovery services through a much larger content portfolio.
- EBSCO Information Services: EBSCO is a large private information-services company providing research databases, e-books, and discovery (EBSCO Discovery Service) to libraries; overlaps with OCLC's discovery and content propositions as part of a much broader portfolio.
Direct peers
- SirsiDynix: SirsiDynix is a major provider of integrated library systems (Symphony, BLUEcloud) for public, school, and academic libraries in North America and internationally, directly competing with OCLC's ILS and resource-sharing offerings.
- Innovative Interfaces: Innovative provides Sierra, Polaris, and Vega library services platforms for public and academic libraries and was acquired by Ex Libris/Clarivate, making it a directly competing ILS vendor for the same library segments OCLC targets with WMS and OCLC Wise.
- Ex Libris (Clarivate): Part of Clarivate, Ex Libris is a leading provider of integrated library systems (Aleph, Alma) and discovery (Primo, Summon) used by academic and research libraries worldwide, competing head-to-head with OCLC's WMS and WorldCat Discovery.
- Axiell: Axiell provides library and museum management systems (Axiell Arena, Adlib) used across European public and special libraries, making it a regional direct peer to OCLC's WMS and resource-sharing products.
Emerging players
- ByWater Solutions: ByWater Solutions provides hosting, support, and migration services for the open-source Koha ILS and other library platforms, representing a services-led alternative to OCLC's WMS subscription model, particularly for budget-constrained public and academic libraries.
- Koha (open source): Koha is the most widely deployed open-source integrated library system, used by thousands of libraries worldwide and increasingly adopted by mid-sized libraries as a free alternative to commercial and cooperative ILS platforms like OCLC's WMS.
- Evergreen (Equinox Software): Evergreen is an open-source ILS developed for and used by library consortia, particularly in North America, offering an alternative cataloging and circulation platform that competes with OCLC's cooperative cataloging and resource-sharing services.
Regional players
- Bibliotheca (now part of OCLC's cloudLibrary acquisition): Bibliotheca is a provider of physical and digital library solutions (self-service kiosks, RFID, formerly cloudLibrary) with strong presence in EMEA; comparable to OCLC's cloudLibrary line and its wider physical-digital library stack.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat7 records
Key risks6 records
Key highlights7 records
Customer concentration
OCLC social profiles
Digital presenceOCLC compliance and trust
Trust signalCompliance13 records
OCLC financial estimates
Financial estimateRevenue estimate
Valuation estimate
OCLC leadership team
Management profileNumber of profiles
Profiles13 records
OCLC subsidiaries and ownership
Company hierarchySubsidiaries7 records
OCLC funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
OCLC M&A and investment
M&A and investmentM&A8 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about OCLC
What does OCLC do?
OCLC provides cloud-based library management, metadata, discovery, resource sharing, and digital content platforms to nearly 30,000 member libraries in 100+ countries. Core offerings include the integrated WorldShare Management Services (WMS) platform, WorldCat and WorldCat Discovery for bibliographic search, WorldShare Interlibrary Loan and ILLiad for resource sharing, EZproxy for e-content authentication, Dewey Services for classification, OCLC Meridian for linked data, and the cloudLibrary digital content platform.
Is OCLC a public or private company?
OCLC is a private company. It is classified as nonprofit foundation owned and is currently operating.
When was OCLC founded?
OCLC was founded in 1967. It employs 1,001 to 5,000 people.
Where is OCLC based?
OCLC is headquartered in Dublin, United States, in the North America region.
How does OCLC make money?
Two revenue lines are on record. Membership Cost-Sharing is the primary driver. The others are product and Service Subscriptions.
Who are OCLC's main competitors?
Broad incumbents on record are ProQuest (Clarivate) and EBSCO Information Services. Direct peers are SirsiDynix, Innovative Interfaces, Ex Libris (Clarivate) and Axiell. Emerging players are ByWater Solutions, Koha (open source) and Evergreen (Equinox Software). Bibliotheca (now part of OCLC's cloudLibrary acquisition) is listed as a regional player.
Does OCLC have an API?
Yes. OCLC provides multiple APIs including: WorldCat Metadata API (for accessing and managing bibliographic records), WorldCat Knowledge-base API (for managing knowledge base collections), Dewey APIs (two APIs enabling integration of Dewey linked data into local systems), and Resource Sharing APIs (for customizing ILL workflows). The APIs are documented in the OCLC Developer Network portal. Developer documentation is at www.oclc.org/developer/api/oclc-apis.en.html.
What industry is OCLC in?
OCLC's product category is Library Management Software. Its primary akta.pro industry code is HDAEAGAH, Enterprise Search, Indexing & Content Discovery, with a secondary code of EDAEAGAE, Library Collections & Cataloging Services (Acquisitions, Metadata, Circulation). Its NAICS code is 519 and its SIC code is 7370.