InterXion Holding N.V. provides carrier and cloud-neutral colocation data center services in France, Germany, the Netherlands, the United Kingdom, Austria, Belgium, Denmark, Ireland, Spain, Sweden, and Switzerland. The company enables its customers to connect to a range of telecommunications carriers, cloud platforms, Internet service providers, and other customers. Its data centers acts as content, cloud, and connectivity hubs that facilitate the processing, storage, sharing, and distribution of data between its customers. The company offers colocation services, including space and power to deploy IT infrastructure in its data centers; a range of output voltages and currents; connectivity services that enable its customers to connect their IT infrastructure to exchange traffic and access cloud platforms; and systems monitoring, systems management, engineering support, and data backup and storage services, as well as installs and manages physical connections running from its customers' equipment to the equipment of its telecommunications carriers, Internet service providers, Internet exchange customers, and other customers. It provides its services to telecom operators, Internet service providers, and content delivery networks; content and cloud providers; and enterprises through direct sales forces, as well as through tradeshows, networking events, and industry seminars. As of December 31, 2018, it operated 51 carrier and cloud neutral colocation data centers in 13 metropolitan areas in 11 countries. The company is also involved in real estate management/holding businesses. InterXion Holding N.V. was incorporated in 1998 and is headquartered in Hoofddorp, the Netherlands.