Contao

What Contao does

Contao is an open-source content management system that has been continuously developed since 2006 and is governed by the Contao Association, a non-profit organization based in Lyss, Switzerland that handles project finances, events, and partner program administration. The product is built on the Symfony Full Stack Framework, uses Composer for package management, and ships with a browser-based Contao Manager for installation, extension management, and recovery. It is licensed under LGPL-3.0 and is free to download and use, including for commercial projects; the headline scale metric cited is 175,000+ websites built on the platform.

Functionally, Contao provides multi-domain and multilingual website management, granular user permissions, built-in GDPR compliance, BITV 2.0 and European Accessibility Act conformance, SEO features (schema.org tagging, XML sitemaps, correct HTTP status codes), and performance optimizations (Varnish/HTTP2 compatibility, deferred image resizing, ESI). It supports hundreds of thousands of pages per installation and exposes a hooks-and-events extensibility model with template preservation across updates, alongside access to 11,000+ Symfony bundles. The software targets three primary user personas: agencies and freelancers building client sites, in-house web editors managing content, and web developers requiring Symfony-grade customization.

Commercially, Contao does not license software; it monetizes through a three-tier Partner Program (Official €249/yr companies, Premium €599/yr, Platinum €4,788/yr; reduced rates for freelancers) and Contao Association memberships, with additional revenue-adjacent activity via the Contao Academy training channel and hosting sponsorship from partners such as cyon AG. GTM is community-led and channel-led: self-serve open-source downloads feed a DACH-anchored community (forum, Slack, Contao-Calls, Stammtisch meetups, Contao TV, Contao Summit), which in turn routes commercial demand to certified partners. Contao is privately held with no disclosed venture funding and operates with an 11–50 employee footprint consistent with a community-governed open-source project rather than a venture-backed software company.

Name

Contao

Legal name

Contao Association

Website

https://contao.org

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

11–50 employees

Short description

Contao is an open-source CMS built on the Symfony framework, licensed under LGPL-3.0, serving agencies, freelancers, and in-house editors building professional, GDPR-compliant, accessible websites across DACH and international markets since 2006.

Ownership category

akta.pro rank

Headquarters

HQ city

Wuppertal

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

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

Revenue model

1. Partner Program Fees: Recurring annual/monthly fees from the Contao partner program with Official, Premium, and Platinum tiers for agencies and freelancers offering Contao services.
2. Contao Association Membership: Active membership in the Contao Association for individuals interested in contributing to the project, with the association managing financial aspects of the Contao project.
3. Open Source (Free Distribution): Core CMS is free to download and use under LGPL-3.0 license, even for commercial projects. Revenue comes from ecosystem services rather than software licensing.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels9 records

Core offering

Contao is an open source content management system (CMS) licensed under LGPL-3.0, built on the Symfony Full Stack Framework, that enables users to create professional websites and scalable web applications. It includes built-in features for multi-domain operation, multilingual websites, detailed user permissions, GDPR compliance, SEO optimization, and accessibility (BITV 2.0/EAA). The core software is distributed free of charge, with revenue generated through a tiered Partner Program (Official, Premium, Platinum) and Contao Association memberships supporting the ecosystem.

Product overview

Contao is an open-source CMS built on the Symfony framework, offering a unified core platform with built-in features for multi-domain and multilingual websites, user permissions, SEO, accessibility, and GDPR compliance. The product ecosystem includes Contao Manager as a graphical package management tool, Contao Academy for online video training, Contao TV for community video content, and a three-tier Partner Program (Official, Premium, Platinum) for service providers. The core CMS is licensed under LGPL-3.0 and can be extended via the extensions marketplace.

Differentiator

Problem solved

Functional benefit

Products and services

• Contao Open Source CMS Contao is a powerful, accessible open source CMS that allows users to create professional websites and scalable web applications. It supports multi-domain operation, multilingual websites, detailed user permissions, and is GDPR compliant by default. The CMS serves digital agencies, freelance developers, web editors, and commercial enterprises needing a customizable platform with Symfony-based extensibility.
• Contao Manager The Contao Manager is a graphical interface for Composer that allows users to install and manage Contao as well as additional extensions directly in a browser. It includes recovery functionality for unavailable installations, making the deployment and management of Contao accessible to users without command-line expertise.

Quantifiable outcome

• Over 175,000 websites built with Contao
• +2 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Five partnerships are on record, tiered core and minor.

• SymfonycoreTechnology or Integration · 1 January 2006Contao is based on the Symfony Full Stack Framework. Users familiar with Symfony can quickly find their way around, and can use the over 11,000 available Symfony bundles to customize Contao.
• Contao Partner NetworkcoreChannel Partner/ Reseller/ DistributorThe Contao partner program includes agencies and freelancers offering Contao services including design, implementation, development, hosting, and marketing. Partners are categorized as Official, Premium (with preferred positioning), and Platinum (top positioning with GitHub recognition) tiers.
• Contao AssociationcoreStrategic or Co-development PartnerFounded on May 16, 2012 (originally as Contao Verein Schweiz), the Contao Association is the official promoting association of Contao. It handles financial matters, organizes events, manages the partner program, and finances the development of the Contao Open Source CMS project.
• Contao AcademyminorChannel Partner/ Reseller/ DistributorProvides online video training courses for learning Contao through the Contao Academy platform.
• cyon AGminorOthersCyon AG provides hosting sponsorship for the Contao Association website.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Joomla: Long-established open-source CMS competing for SMB and mid-market website projects. Similar PHP stack and free-core model, with broader international footprint but less DACH-specific gravity than Contao.
• WordPress: The dominant open-source CMS, distributed under GPL with a massive plugin/theme ecosystem. Directly competes with Contao for PHP-based website and content use cases globally, with significantly larger community and commercial backing.
• Drupal: Enterprise-grade open-source CMS favored for complex, high-scale government and higher-education sites. Overlaps Contao in accessibility/GDPR compliance narratives, multi-site, and multilingual capabilities, and competes for the same regulated European buyers.
• TYPO3: Open-source PHP CMS with strongest adoption in German-speaking and European enterprise/public-sector markets. Closely comparable to Contao in target customer (DACH, government, mid-market), stack (Symfony/PHP), and long-term-support positioning.
• Craft CMS: PHP-based content management platform popular with professional agencies and designers for bespoke web projects. Comparable to Contao in agency-led GTM, designer/developer tooling, and a paid-license (commercial) model layered on top of free core.

Emerging players

• Strapi: Leading open-source headless CMS for JavaScript/Node.js stacks. Represents the architectural alternative (API-first, headless) that Contao's monolithic design is positioned against for developers building omnichannel content experiences.
• Bolt CMS: Open-source PHP/Symfony-based CMS aimed at developers building modern content sites. Comparable to Contao in Symfony foundation and developer-first positioning, with a smaller install base.
• Ghost: Open-source publishing platform for professional websites, newsletters, and memberships. Adjacent competitor in the open-source website CMS category with a modern Node.js stack and strong creator-economy positioning.
• Kirby: File-based CMS popular with designers and developers for bespoke, content-rich sites. Competes for the same professional agency segment as Contao, with a strong DACH following and a paid commercial license model.
• October CMS: Open-source PHP/Laravel-based CMS positioned for developers building custom sites. Overlaps Contao in developer-friendly extensibility and PHP stack, with a smaller community footprint.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• GitHubgithub.com/contao/contao
• YouTubeyoutube.com/@contaocms
• Xx.com/contaocms
• Facebookfacebook.com/contao
• LinkedInlinkedin.com/company/contao-cms

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

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 Contao