DATA-ONE GmbH is an IT consulting and services company based in Saarbrücken, Germany, with additional offices in Trier, Kaiserslautern, and Karlsruhe. Founded in 1999, the company partners with businesses to digitalize their processes, specializing in Microsoft solutions such as SharePoint, Microsoft 365, Dynamics 365, Power Platform, and Azure, as well as Business Intelligence and SAP integration. With over 130 employees, DATA-ONE focuses on delivering tailored IT solutions to enhance collaboration, optimize workflows, and support digital transformation initiatives. The company is recognized as a 'Great Place to Work®' and a 'Top Consultant'.
Serves as the central hub for management, core development, consulting services, sales, and administrative operations. It's the primary center for strategic decision-making and company-wide coordination.
Located in a modern office building, designed to support collaborative work and technology-driven operations. Specific architectural highlights are not widely publicized, but the facility is expected to be contemporary and conducive to a tech company environment.
DATA-ONE emphasizes a positive and supportive work environment, evidenced by its 'Great Place to Work®' certification and recognition as a 'family-friendly company'. The culture likely promotes collaboration, continuous learning in Microsoft technologies, innovation, and a strong customer-centric approach.
The Saarbrücken headquarters is significant as the founding location and nerve center of DATA-ONE's operations. It drives the company's growth, innovation, and reputation in the German IT consulting market, particularly within the Saar-Lor-Lux Euroregion.
DATA-ONE GmbH primarily operates within Germany, with a strong focus on the DACH (Germany, Austria, Switzerland) region. While its physical offices are in Saarbrücken, Trier, Kaiserslautern, and Karlsruhe, the company supports clients with digital transformation projects that may have international dimensions, particularly through cloud-based Microsoft solutions (Azure, Microsoft 365) and SAP integration expertise. Their services can support businesses with global operations, though direct international office presence beyond Germany is not a primary focus. The emphasis is on providing high-quality IT consulting and solutions from their German base to a predominantly German-speaking market and clients operating from this region.
Heinrich-Böcking-Str. 10-14
Saarbrücken
Saarland
Germany
Address: Wissenschaftspark Trier, Max-Planck-Straße 19, 54296 Trier
To serve clients in the Mosel-Saar region, leveraging its proximity to Luxembourg and strengthening presence in Rhineland-Pfalz. Supports regional businesses in their digital transformation journeys.
Address: PRE-Park, Gebäude 85, Denisstraße 20a, 67663 Kaiserslautern
To cater to businesses and organizations in Kaiserslautern and the surrounding technology-focused area, including those linked to the Technical University and local industry, fostering innovation and digitalization.
Address: Technologiepark Karlsruhe, Haus Solitär, Emmy-Noether-Straße 17, 76131 Karlsruhe
To tap into the innovation ecosystem of Karlsruhe, one of Germany's leading IT and high-tech clusters, and serve clients throughout Baden-Württemberg, expanding DATA-ONE's reach in southern Germany.
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As of April 2025, Data One GmbH' leadership includes:
Data One GmbH has been backed by several prominent investors over the years, including:
No major publicly announced executive hires or exits at the Managing Partner level have been identified for DATA-ONE GmbH in the last 12 months. The company maintains stable leadership with its long-standing Managing Partners, Thomas Gräff and Jörg Müller.
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DATA-ONE GmbH commonly uses an email format consisting of the first initial followed by a dot and the last name. Alternative formats like full first name and last name separated by a dot might also be in use.
[first_initial].[last_name]@data-one.de
Format
t.graeff@data-one.de
Example
85%
Success rate
data-one.de • 14.03.2024
DATA-ONE GmbH announced its official certification as a 'Great Place to Work®', highlighting its commitment to a positive, fair, and supportive company culture. This recognition is based on anonymous employee feedback and an independent analysis of HR practices and culture....more
data-one.de • 22.11.2023
For the third consecutive time, DATA-ONE GmbH received the 'Saarland Seal for Family Friendliness,' recognizing its sustained efforts in promoting family-compatible working conditions, flexible work models, and overall work-life balance for its employees....more
data-one.de • 23.06.2023
DATA-ONE GmbH has been awarded the 'Top Consultant 2023' seal, distinguishing it as one of Germany's leading consulting firms for small and medium-sized enterprises (SMEs). The award acknowledges the company's high level of professionalism, customer satisfaction, and competence in IT consulting and digital transformation....more
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