Creating a modern wiki experience on top of the software that powers Wikipedia.
MediaWiki is a powerful open-source software platform that powers hundreds of thousands of wikis. Professional Wiki provides professional MediaWiki consulting services and MediaWiki hosting. We make MediaWiki more useful for businesses and organizations.
With ProWiki we provided the first truly modern MediaWiki experience. Gone are the days of needing to assign your IT staff to maintain a new software stack. You can now create and configure your wiki with a few clicks.
years of experience
Professional Wiki GmbH is a Berlin-based company with an international team that serves international clients.
We are MediaWiki veterans with expertise that includes MediaWiki hosting and MediaWiki software development.
Professional Wiki has made significant contributions to MediaWiki, Semantic MediaWiki and Wikibase. Our MediaWiki developers created over 40 MediaWiki extensions and our Wikibase developers created over 8 Wikibase extensions.
We are a customer-focused agile company. We value professionalism, quality and sustainability. Join our team.
Our founders attend their first SMWCon. Jeroen creates the Maps extension.
We become maintainers of Semantic MediaWiki. Jeroen creates Wikibase and Wikidata, and is promoted to Software Architect at Wikimedia Deutschland. Karsten launches WikiHoster.
We start collaborating formally to deliver next-level MediaWiki services.
We launch ProWiki, the most modern and user-friendly MediaWiki hosting platform.
Jeroen is our CTO. He created Wikibase, maintains Semantic MediaWiki and is credited as one of MediaWiki's creators.
Jeroen is a software craftsman with deep expertise in software architecture, testing and quality. He occasionally posts on his developer blog.
Jeroen started working with MediaWiki in 2009 and has since assisted companies across the globe, including Google and the Wikimedia Foundation.
In his spare time Jeroen enjoys beach volleyball, boardgames and reading.
Besides being our CFO, Karsten is a MediaWiki veteran with deep and broad MediaWiki usage expertise.
Karsten has set up 100s of wikis and is one of the most active editors on MediaWiki.org and Semantic-MediaWiki.org.
Karsten got involved with MediaWiki in 2009. In 2011 he launched WikiHoster.net. Karsten has spoken at several MediaWiki conferences.
In his free time Karsten enjoys caring for plants, talking walks and editing wikis.
Tobias is a well rounded MediaWiki expert. He is an experienced wiki administrator, has set up multiple wikis and has created his own MediaWiki extensions. He has been involved in the Semantic MediaWiki community for many years.
Iván is specialized in cultural heritage and digital humanities. He has been providing both MediaWiki and Semantic MediaWiki services for multiple years. He is active in the community and is familiar with Wikidata.
Stephan is a veteran MediaWiki developer. He created several MediaWiki extensions and is the author of the popular Chameleon skin. Stephan has been involved with the MediaWiki and Semantic MediaWiki communities for over a decade.
Morne has been doing web development for over a decade and is currently maintaining the popular Chameleon skin. He has a passion for automation, testing and well designed and sustainable solutions.
Wouter has been working with MediaWiki for over 15 years. His experience includes constructing and maintaining wiki farms, among which an integrated multi-language farm, system administration and Semantic MediaWiki.
Are you an open-minded and driven developer that likes working in a small Agile team of skilled developers? Join Professional Wiki!
View our MediaWiki opportunities.
Professional Wiki is able to satisfy all your needs as single provider serving high quality holistic customer-focused solutions. Just get in touch with us!