Telecom operatorTier 1
Deutsche Telekom
German operator group with European operations and a majority stake in T-Mobile US; T-Systems is its enterprise IT and cloud arm.
- Headquarters
- Ownership
- Public (listed)2025source ↗
- Revenue
- EUR 119.081bn2025source ↗
- Customers
- 263,600,0002025-12-31source ↗
- Employees
- 198,0792025-12-31source ↗
- Growth
- +2.9%FY2025source ↗
- CAPEX
- EUR 16.9bnFY2025source ↗
- Also
- systems integration · cloud services
- Customers
- ConsumerEnterpriseWholesaleGovernment
- Domains
- MobileFixed & fibreCloudEnterprise connectivityNetwork APIs
- Markets
- Telekom DeutschlandT-Mobile USMagenta TelekomOTE / CosmoteHrvatski TelekomMagyar TelekomSlovak TelekomT-Mobile Czech RepublicT-Mobile PolskaCrnogorski TelekomMakedonski TelekomTelekom Romania Mobile
- Website
- telekom.com ↗
MVNOs on this network2
- — tariffs from 'Telekom,' 'Vodafone,' and 'o2 & Telefonica' as separate offerings
- — Partner von Telekom Deutschland und Vodafone
Brands it runs itself1
- congstar — own-network brand, not an MVNO; Telekom Deutschland is the contracting party since April 2019; run as a separate brand unit on the Telekom network
Technology6
BSS
OSS
Cloud & infrastructure
People2
Leadership as the company names it; dates only where a source states them.
- Timotheus Höttges · Chairman of the Board of Management (CEO)↗since Jan 2014
- Christian P. Illek · Member of the Board of Management, Finance & Product and Technology↗
Chief Financial Officer; took over Product and Technology on an interim basis from April 2026.
Former 1
- Abdurazak Mudesir · Member of the Board of Management, Product and Technology↗until Mar 2026
Relationships13
Owns
Hosted MVNOs
Suppliers
- announced
- 15 May 2013
Partners
- 25 Feb 2026
- Nov 2025
- 2 Mar 2026
- 21 May 2026
- announced
Ventures & programmes
- 29 Jul 2025
Initiatives4
- Active
- Planned
- In production
- Active
Signals15
- 21 Oct 2026
- 5 Oct 2026
- 30 Sept 2026
- 21 Sept 2026
- 17 Sept 2026
- 2 Sept 2026
- 21 May 2026
- 2 Mar 2026
- 1 Mar 2026
- 25 Feb 2026
- 11 Feb 2026
- Nov 2025
Ecosystem
owns
- 52.8% (Feb 2026); no sale planned in 2026; full combination reported under reviewactive · Documented · 52.8%
- Subseaactive · Reported
hosts
- Mobile · tariffs from 'Telekom,' 'Vodafone,' and 'o2 & Telefonica' as separate offeringsactive · Reported
- Mobile · Partner von Telekom Deutschland und Vodafoneactive · Company statement
partners with
- AI · MINDR — agentic network diagnostics and remediation (Gemini on Vertex AI)active · 25 Feb 2026 · Documented
- Active
- Planned
- AI infrastructure · Industrial AI Cloud (Munich)active · Nov 2025 · Documented
- In production
- ITSM · T-Systems as "Sovereign Partner Cloud" provider in Germanyactive · 2 Mar 2026 · Documented
- In production
- AI · German federal government sovereign AI platform (BMDS tender)active · 21 May 2026 · Documented
- Cloud · T-Systems hosts the ServiceNow AI Platform on T Cloud as sovereign partner cloud in Germanyannounced · 1 Mar 2026 · Company statement
- In production
- Seed investor since 2017; 'uses 1NCE technology for its own IoT offerings'active · Company statement
supplied by
- OSS · Telekom Deutschland — Netcracker Network Domain Orchestration for IP and optical backbone discovery, provisioning and multi-vendor orchestrationannounced · 8 Oct 2019 · Documented
- Charging & billing · Telekom Deutschland — long-term support and maintenance of the fixed-network billing solutionactive · 15 May 2013 · Reported
participates in
- adunaNetwork APIs · equity partneractive · 29 Jul 2025 · Documented