T-Systems International GmbH Due Diligence
Run due diligence on T-Systems International GmbH: check compliance and get alerts when suppliers or ownership change.
Germany · owned by Deutsche Telekom AG (Germany) · www.t-systems.com · 11 vendors
T-Systems International GmbH is a leading European ICT provider and subsidiary of Deutsche Telekom, delivering digitalization projects and offering consulting, cloud services, AI, cybersecurity, and connectivity solutions to businesses and institutions. With more than 25,000 employees across 26 countries, the company serves clients in industries such as automotive, healthcare, manufacturing, public sector, and financial services. T-Systems is headquartered in Frankfurt am Main, Germany, and is known for its focus on digital sovereignty, secure cloud infrastructure, and SAP and network solutions.
Resilience scores
- Digital Sovereignty: 0
- Digital Resilience: 8
- Financial Resilience: 7
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Services catalogue
8 services in catalogue across 4 categories; runs on 11 sub-vendors.
- Port Management System
- IoT offerings
- Data Center Services
Insights
Last updated 2026-08-15 · revision 1
11 direct vendors, 132 subvendors
Direct vendors by controlling owner country (sample)
- United States: 11
Subvendors by controlling owner country (sample)
- United States: 110
- Canada: 5
- United Kingdom: 2
Compliance
10 in-scope frameworks identified; showing 3.
NIS2 (source) — No public evidence
Evidence: https://www.t-systems.com/de/en/company/about-t-systems/t-systems-certificates, https://www.t-systems.com/de/en/security/solutions/cyber-defense, https://www.t-systems.com/de/en/security/solutions/governance-risk-compliance, https://www.t-systems.com/de/en/company/about-t-systems/profile, https://www.telesec.de/en/service/downloads/pki-repository/
GDPR (source) — Evidence found
Evidence: https://www.t-systems.com/de/en/data-privacy, https://www.t-systems.com/de/en/company/about-t-systems/t-systems-certificates, https://www.t-systems.com/de/en/data-privacy/partner-list, https://www.t-systems.com/resource/blob/1174826/5ac7cdd83651025c24c601ada524f2b4/DL-Compliance-Management-Systeme-in-accordance-with-IDW-PS-980-EN-05-2026.pdf
EU AI Act (source) — No public evidence
Evidence: https://www.t-systems.com/de/en/artificial-intelligence/solutions/industrial-ai-cloud, https://www.t-systems.com/de/en/artificial-intelligence/solutions/ai-foundation-services, https://www.t-systems.com/de/en/artificial-intelligence, https://www.t-systems.com/de/en/company/about-t-systems/profile
Financials
Three-year financials
- 2025: revenue €4.1B
- 2024: revenue €3.95B
- 2023: revenue €3.8B
Financial Resilience Score: 7/10
T-Systems International GmbH benefits from strong parent backing as a 100% subsidiary of Deutsche Telekom AG, a DAX 40 company with investment-grade credit ratings. This provides significant financing support, liquidity backstop, and shared services access. The company has returned to profitable growth after years of restructuring, with revenue climbing from approximately €3.7 billion to over €4.1 billion between 2022 and 2025, and order entry consistently exceeding revenue, indicating continued growth momentum. The company holds a strong European market position with over 25,000 employees across 26 countries and maintains sticky, long-term contracts with major enterprises including VW, Shell, DHL, Deutsche Bahn, and Boehringer Ingelheim. Strategic positioning in sovereign cloud, hyperscaler partnerships (AWS, Microsoft, Google), and SAP RISE Premium Supplier status supports the transition from legacy IT-outsourcing to higher-value cloud transformation services. However, resilience is tempered by continued exposure to legacy IT outsourcing with structural price erosion in mainframe and classic managed hosting. The company faces intense competition from larger global players like Accenture, Capgemini, Atos, IBM, TCS, Infosys, Wipro, and Kyndryl. Material intra-group revenue concentration with Deutsche Telekom, European wage inflation pressures, and ongoing restructuring provisions historically depressing earnings add further risk considerations.
Key strengths: 100% subsidiary of Deutsche Telekom AG (DAX 40, investment-grade), Scale: 25,000+ employees across 26 countries, Returned to profitable growth trajectory from 2022 onward, Strong sovereign cloud and hyperscaler partnerships (AWS, Microsoft, Google), SAP RISE Premium Supplier status, Sticky long-term enterprise customer base (VW, Shell, DHL, Deutsche Bahn), Order entry consistently above revenue indicating growth momentum, 119 leading rankings across 29 independent benchmark studies
Risk factors: Legacy IT outsourcing exposure with structural price erosion, Intense competition from Accenture, Capgemini, Atos, IBM, TCS, Infosys, Wipro, Kyndryl, Material intra-group revenue concentration with Deutsche Telekom, European wage inflation pressures on margins, Ongoing restructuring costs depressing reported earnings, Declining mainframe and classic managed hosting business, Cybersecurity and delivery execution risks typical of large IT integrators
Revenue by geography
- Germany: 66%
- Rest of Europe and International: 34%
Revenue by product/service
- Security: 0%
- Cloud Services: 0%
- Advisory / Consulting (Detecon): 0%
- Application Services (SAP, ServiceNow): 0%
- Systems Integration / Digital Solutions: 0%
- Content & Collaboration, Data Intelligence: 0%
Workforce by country
- Hungary: 5000
- India: 0
- Spain: 0
- Brazil: 0
- Poland: 0
- Austria: 0
- Germany: 0
- Romania: 0
- Slovakia: 0
- Netherlands: 0
- Switzerland: 0
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