SUMO is located in Cologne, Germany. For more than 10 years, we have specialised in search engine optimisation. Using search engine friendly measures, we have successfully positioned our clients web-sites in the top search results of the most important search engines.
SUMO currently employs 32 employees and is proud to be one of the market leaders in web-ranking and search engine optimisation in Germany.
In September 2004, SUMO was certified by BVDW as a trustworthy provider of search engine marketing.