Diagram aboutDiagram Ltd. is a software company focused on the European E-commerce market. Our headquarters are located in Sofia (Bulgaria), but the vast majority of the projects that we work on are located in Benelux and the UK.

Diagram operates with a small-to-mid-size team of professionals, in an agile methodology, thus bringing success and benefit to every project. We have members of our team working on-site and off-site, thus staying close to our partners and clients.

At Diagram we always put the client first and work together with our clients to boost their sales and increase their revenue by following a multichannel approach.

Our areas of expertise include:

  • E-commerce and E-business (both B2B and B2C).
  • Search engines and SEO (both online and offline).
  • Search engine marketing (SEM).
  • User experience optimizations (UEO).
  • Social media optimization (SMO).
  • Mobile commerce.
  • Email campaign optimization (ECO).


  • Phamola Ltd has been established in May 2009. The sole focus of the company was the E-commerce market in Europe.
  • In January 2011 Diagram started it’s first project on cloud computing.
  • In February 2016 Phamola Ltd was renamed to Diagram Ltd.