Antoine Leclercq

SII Netherlands BV provides engineering services to the aerospace, transportation, and defense sectors. It also offers consultancy, design, stress, and project management solutions. The company is headquartered in Haarlem, the Netherlands.

Societe Pour L'informatique Industrielle SII, Inc. provides software development services. The private company is based in Montréal, Canada and was founded in 2012.

Part of SII SA, SII Canada, Inc. is a Canadian company that provides information technology services. The company is based in Montréal, Canada.

Société Pour L'Informatique Industrielle SA provides IT consulting and software engineering services. The private company is based in Paris, France and has subsidiaries in Czechia and Poland. The CEOs of the French company are Antoine Leclercq, Charles Mauclair, Didier Bonnet, François M. Goalabré.

SII Technologies GmbH is a German company that operates in various industries including aerospace/defense, telecoms, banking and insurance, energy and utilities, retail, transport, health, and services. The private company is based in Augsburg, Germany and was founded in 1997. The CEOs are Antoine Leclercq and Wolfram Motz.

Part of SII SA, SII Holding GmbH is an IT service provider that offers solutions and specialists to strengthen teams. The company is based in Schwaebisch Hall, Germany. The company is the German member of the international SII Group, one of the most renowned engineering and IT consulting companies worldwide with over 16,000 employees. The company provides software development services and have access to a worldwide portfolio of specialists within the SII Group of companies. The company was founded in 2015, and the CEO is Enrique Geck.