These managed service providers in Hesse are mostly large and mid-sized IT services and consulting firms. Companies like T-Systems International, DB Systel, and SVA System Vertrieb Alexander GmbH offer end-to-end IT solutions, cloud migration, and digital transformation services. MTI Technology GmbH provides storage, backup, and security solutions, while Controlware specializes in IT network management. P&I Personal & Informatik AG focuses on HR software and cloud solutions.
The data shows a strong concentration of these companies in and around Frankfurt am Main and Wiesbaden, which serve as key headquarters cities. Many of these firms were founded between the late 1990s and the early 2000s, indicating a significant period of growth and establishment for IT services in the region.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
T-Systems Internationalt-systems.com
Provides end-to-end IT solutions, cloud migration, and industry-specific digital transformation services with strong security and global presence. |
10,768 | |||
| 2 |
DB Systel GmbHdbsystel.de
The company focuses on digitalizing rail systems through innovative solutions and partnerships, aiming to meet customer needs and IT standards |
4,639 | |||
| 3 |
SVA System Vertrieb Alexander GmbHsva.de
A leading system integrator in Germany, offering IT products and services, data center infrastructure, business continuity, IT service management, SAP solutions, and operational support |
3,101 | |||
| 4 |
MTI Technology GmbHde.mti.com
A reliable partner offering storage, backup, datacenter optimization, security, cloud solutions, and managed services to guide businesses through digital transformation successfully |
1,655 | |||
| 5 |
Controlwarecontrolware.de
Provides consulting, planning, installation, maintenance, and management of IT networks with expertise in security, communications, and data centers. |
748 | |||
| 6 |
Axians Germanyaxians.de
Designing, implementing, maintaining complex IT networks for secure voice, data, video transmission with energy-efficient, future-proof solutions. |
653 | |||
| 7 |
DIGITALLdigitall.com
Provider of digital solutions and services including AI, CRM, cybersecurity, data strategy, software engineering, and cloud services across Europe. |
563 | |||
| 8 |
Quipu GmbHquipu.de
This company empowers banking institutions with custom IT solutions, top-notch support, and self-service capabilities for seamless operations and growth |
561 | |||
| 9 |
operational services GmbH & Co. KGoperational-services.de
A leading ICT service provider in Germany, offering data center, network, and application services, with expertise in various industries and secure cloud solutions |
533 | |||
| 10 |
P&I Personal & Informatik AGpi-ag.com
Offers integrated software and cloud solutions for human resources, payroll, talent management, and HR analytics, empowering organizations to optimize their HR processes. |
501 | |||
| 11 |
NTT Germany AG & Co. KGglobal.ntt
An IT infrastructure and services company, part of NTT DATA, supporting Fortune Global 500 organizations with Edge-to-Cloud networking solutions |
466 | |||
| 12 | 374 | ||||
| 13 |
ekom21 – KGRZ Hessenekom21.de
A full-service IT provider for Hessian municipalities, offering IT solutions, consulting services, and a certified data center since 1970 Making administration easier and more efficient |
338 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 14 |
NTT Global Data Centers EMEAglobal.ntt
A leading provider of data center solutions in the EMEA region, offering customizable infrastructure with extensive experience and continued growth |
334 | |||
| 15 |
PRODYNAprodyna.com
Specializing in customer experience, digitalization, and cloud computing strategies, this company designs, implements, and operates custom software applications for mid- to large-sized enterprises worldwide |
321 | |||
| 16 |
Hyundai AutoEver Europe GmbHhyundai-autoever.com
A subsidiary of Hyundai & KIA Motor Group, providing IT services in Europe to support innovation and competitiveness in sales and manufacturing systems |
314 | |||
| 17 |
HCLTech Germanyhcltech.com
Global technology company offering industry-leading solutions in Digital, Engineering, Cloud, and AI to clients across various sectors Headquarters in Eschborn, Germany |
302 | |||
| 18 | 277 | ||||
| 19 |
Logicalis Germanylogicalis.de
Service-oriented IT solutions and managed services provider specializing in network, datacenter, unified communications, collaboration, and information management, part of global Logicalis Group |
250 | |||
| 20 |
glueckkanja AGglueckkanja.com
A Cloud Managed Service Provider combining two leading IT consulting companies with expertise in Microsoft cloud technologies and services for enterprise customers |
229 | |||
| 21 |
teccle groupteccle-group.de
Providing tailored IT solutions and digital transformation services to Mittelstand companies, combining flexibility with automation and strategic partnership. |
209 | |||
| 22 |
ITSCare - IT-Services für den Gesundheitsmarktitscare.de
Provides IT services including network, hardware, software, telecommunications, and data center operations for healthcare social data management. |
189 | |||
| 23 |
dacoso GmbHdacoso.com
Specialized provider of connectivity and security solutions for Data Center and Carrier segments, offering expert consulting, support, and encryption services Operating in the DACH region |
171 | |||
| 24 |
DICOS GmbH Kommunikationssystemedicos.de
DICOS is an independent software and consulting company focusing on Infrastructure Management, Automation, Software Development, IT consulting, and project management services |
60 | |||
| 25 |
RTS Realtime Systemsbloomberg.com
Realtime Systems delivers high-performance technology products and services for financial institutions and trading houses, specializing in electronic trading software, global connectivity, and hosting solutions |
37 | |||
| 26 |
Sky-E Redskyered.de
An IT consulting company specializing in cloud computing, software development, and indie game development to drive digitization and enhance player experiences |
18 | |||
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
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- Automotive manufacturers and suppliers in Hesse 45