Ramon Zanders

Total Specific Solutions (TSS) BV develops vertical market software solutions. The firm offers integral solutions for first and second line healthcare, software development, application management and outsourcing and legacy software migration services. It serves financial, local and government sectors. The company was founded by Robin van Poelje in 2006 and is headquartered in Nieuwegein, the Netherlands.

Simple SA engages in the provision of information technology solutions and services. It offers implementation, information technology related infrastructure consulting, training, installation, and warranty services. The company's products include mobile applications, other applications, document workflows, and custom products. Simple was founded by Michal Jan Siedlecki and Zbigniew Marian Strojnowski in 1988 and is headquartered in Warsaw, Poland.

Part of Topicus.com, Inc., Topicus.com BV provides vertical market software and platforms. The company is based in Deventer, Netherlands. Robin van Poelje has been the CEO of the Dutch company since 2021.

Part of Constellation Software, Inc., TSS Europe BV is an investment holding Dutch company. The company is based in Nieuwegein, Netherlands. Edwin Manten has been the CEO of the company since 2018.