Matthias Hartmann

GfK SE engages in the provision of market research services. Its solutions include consumer insights, consumer panels, distribution and supply chain management, geomarketing, in-store intelligence, media measurement, online pricing intelligence, point of sales analytics, point of sales tracking, printed advertising tracking, product catalogs, shopper, and trends and forecasting. The company was founded in 1984 and is headquartered in Nuremberg, Germany.

Techem GmbH engages in the provision of global energy services and solutions. The firm focuses on energy management and resource protection, as well as healthy living and process efficiency in the real estate sector. Its services include heating bill, operating cost accounting, digital and integrated billing, real estate services, drinking water treatment, smoke alarm, consumption analysis, energy performance certification, smart heating, hydraulic balancing, water and heat consumption, including smoke alarm device and smart systems. The company was founded by Friedrich Ott in 1952 and is headquartered in Eschborn, Germany.

IBM Deutschland GmbH provides information technology, business consulting, Cloud, and software solutions. It also offers IT infrastructures including software and hardware, as well as its financing. Its services include consultation on project deliverables, as well as creation, transformation, and operation of IT infrastructures, applications, and business processes. The company was founded in 1910 and is based in Ehningen, Germany.

visionapp is a leading provider of solutions to optimize core IT infrastructure, simplifying the build, customization and maintenance of centralized environments and the unified delivery of application services to end users across all devices. For more than a decade, visionapp has specialized in scalable products and shared services platforms-enhancing delivery systems and service-oriented infrastructures while maximizing their investments in a strategic, competitively focused IT organization. Their products and solutions are uniquely positioned to help customers and partners improve their service delivery significantly, regardless whether it is delivered on premise or as an outsourced service. visionapp's broad experience in IT service delivery automation solutions, combined with the depth of experience in Microsoft technology platforms, enables their customers to plan, build, deliver and operate a robust and optimized infrastructure, whether it is a local server farm, a completely virtualized environment, or a cloud services platform. No matter what infrastructure the customers need to build and maintain, visionapp tools integrate existing and new capabilities into an optimised IT environment.

Part of GfK Nürnberg eV, GfK Equity Research provides investment research. The company is based in Surrey, UK. Matthias Hartmann has been the CEO of the British company since 2012.

Part of International Business Machines Corp., IBM Central Holding GmbH is a German company that is working towards making a positive impact on the world. IBM Central Holding is based in Ehningen, DE. The company offers a range of software, hardware, and services that can be browsed by technologies, business needs, and services. The company was founded in 2001, and Matthias Hartmann has been the CEO of the company since 2018.

Techem SRL supplies heating and water consumption equipment. The company was founded in 1995 and is headquartered in Rome, Italy.

Techem Energie GmbH operates as a holding company. The firm focuses on the operation and management of owned and leased energy production facilities. The company is headquartered in Eschborn, Germany.