Achim Weiß

1&1 Internet SE engages in the provision of hosting and cloud services. It provides free domain name, business website, business domain, website hosting, website application, WordPress blog, eShop builder, and domain tips. The company was founded by Ralph Dommermuth in 1988 and is headquartered in Montabaur, Germany.

Part of 1&1 IONOS SE, 1&1 IONOS, Inc. provides hosting services. The company is based in Chesterbrook, PA. The company was founded in 2003. The CEO is Achim Weiß.

Open-Xchange AG develops e-mail and collaboration software solutions. It specializes in the development of tools for on-premise or on-demand solutions, geared towards fueling clients' businesses. The company designs an application suite, a centralized cloud environment that lets users manage digital lives, emails, tasks, and files from a single interface. Its solutions include e-mail, calendar, address book, document, and task management applications. The company was founded by Rafael Laguna de la Vera, Martin Kauss and Frank Hoberg in 2005 and is headquartered in Nuremberg, Germany.

Fonpit AG engages in the operation of Internet portals and data centres. The firm also provides design and consulting, development, distribution and trading of computer and mobile hardware and software as well as telecommunications services. The company is headquartered in Berlin, Germany.

ProfitBricks GmbH provides cloud web hosting services. Its products include Data Centre Designer, HDD and SDD storage, S3 Object storage, white paper, live vertical scaling and cloud data centres. The firm's serves the e-commerce, financial services, media provider, transport and logistics. The company was founded by Andreas Gaugers and Achim Weiss in 2010 and is headquartered in Berlin, Germany.

1&1 Internet AG provides web hosting services. The private company is based in Montabaur, Germany.

GMX GmbH provides internet and email services. The company is based in Munich, Germany and has subsidiaries in Germany.

GMX AG engages in the business of online shopping and freemail portal. The company is headquartered in Munich, Germany.