Deutsche Telekom AG sustainability score: 51/100
Deutsche Telekom is a German telecoms group headquartered in Bonn. T-Mobile US, which it consolidates, brings 65.6% of its revenue; the rest comes from Germany, other European markets and IT services.
More about Deutsche Telekom AG
Deutsche Telekom AG was registered as a stock corporation in 1995. It had about 198,100 full-time employees and €119.1 billion revenue in 2025.
Founded 1995Head office Bonn, GermanyStaff ~198,079 FTE (end 2025)Revenue ~€119.1B (FY2025)Website ↗
Deutsche Telekom's emissions fell 12% in 2025 to 8.7 MtCO2e, and it has SBTi-validated targets for a 55% cut by 2030 and net zero by 2040. It says it is still 7 percentage points short of its 2030 path, and 51% of its electricity is covered by certificates rather than power purchase agreements or its own generation. It assessed biodiversity and water as not material and sets no quantified targets for them.
Deutsche Telekom AG scores 51/100 (Making progress) on SINK's independent climate assessment, scored from public data only. Scores are free. Companies can never pay for anything about their own score. Last verified October 2026.
That places Deutsche Telekom AG joint 131st of 934 companies scored, and joint 5th of 19 in Telecommunications.
What is Deutsche Telekom AG doing well, and where does it fall short?
Strongest on Carbon Footprint: Operations and Carbon Footprint: Supply Chain (8/10, 8/10). Weakest on Nature & Biodiversity Impact and Water Impact (4/10, 5/10).
Where Deutsche Telekom AG lost points
For each question that lost points, the evidence our public rubric looks for that we didn't find.
- Emissions from its own operations8/10No verified figures published with their method and a falling trend.
- Emissions from its supply chain8/10Its Scope 3 emissions aren't fully verified or falling year on year.
- Whether its emissions are falling7/10No consistent fall over several years across its operations and supply chain.
- How clean its energy is6/10Less than 90% of its energy shown to be renewable.
- Its effect on nature4/10Its effect on nature isn't measured or independently verified.
- How it uses materials and handles waste6/10No verified figures for reuse and recycling across the business.
- Its effect on water5/10No measured water footprint with reduction targets.
- Its climate targets8/10No validated long-term net zero target.
- How openly it reports8/10No mission-locked structure, such as B Corp certification.
- Its record on controversies6/10Points deducted for controversies or its business model. The finding is under question 10.
A score changes when the evidence does. We use new published evidence at the next rescore. Anyone can send us new evidence, free. How to send it.
How is Deutsche Telekom AG's SINK score calculated?
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleHas Deutsche Telekom AG's score changed?
Deutsche Telekom AG's score has moved from 45 to 51 across 2 recorded reviews, up 6 points.
- 45 → 51+629 October 2026
Re-scored under the current methodology (v2.5); owner ruling 2026-10-29
- Scored 458 February 2026
Initial score at platform launch
What evidence is Deutsche Telekom AG's score based on?
12 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
58% of them were published by Deutsche Telekom AG itself; the rest come from independent sources.
“Gross Scope 1 GHG emissions 260,110 236,355 223,790 (5.3)”
“as well as a reasonable assurance engagement exclusively in respect of the two non-financial performance indicators of energy consumption”
“At the end of 2025, we purchased 31.7 % (2024: 36.2 %) of our electricity Group-wide via PPAs and self-generation.”
“have concluded a power purchase agreement for 920 gigawatt hours of wind power”
“Deutsche Telekom emitted about 4.4 million tons of carbon dioxide last year”
“We have identified the greatest impacts in raw material sourcing within our upstream value chain.”
“In 2023, we last analyzed our impact on biodiversity and our dependence on ecosystem services.”
“We are taking back around 10.5 million mobile devices across the Group.”
“By 2040, we aim for net zero emissions along our entire value chain.”
“Deutsche Telekom is a member of the US Chamber of Commerce (through subsidiary T-Mobile US), which both have active, negative engagement on climate policy”
“the headline pledges of Amazon, Deutsche Telekom, Enel, GlaxoSmithKline, Google, Hitachi, IKEA, Vale, Volkswagen, and Walmart to meet climate goals have low integrity”
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How does Deutsche Telekom AG compare with other telecommunications companies?
Where Deutsche Telekom AG sits among telecommunications peers.
Among the 19 major telecommunications brands we've scored, Deutsche Telekom AG is tied =5th of 19, with 4 others.
Who scores higher in Telecommunications?
The 3 companies in the sector scoring nearest above Deutsche Telekom AG.
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