•The all-share deal would unify Europe's largest carrier with its $210bn US unit
•The move aims to close a gap where the US subsidiary is now worth more than its parent
What happened
Deutsche Telekom is exploring a full combination with T-Mobile US. The group is considering a new holding company that would launch an all-share offer for both firms.
Deutsche Telekom already owns about 53% of T-Mobile. The proposal aims to unify ownership under a single listed structure. The combined entity could trade in both the US and Europe.
The move follows a sharp divergence in valuation. T-Mobile is valued at more than $210 billion, while Deutsche Telekom stands near $160 billion, based on recent market levels. This gap has widened as the US unit delivered stronger revenue growth and subscriber gains.
T-Mobile’s rise stems from its 2020 merger with Sprint and sustained 5G expansion. It has since become the group’s primary earnings driver. By contrast, Deutsche Telekom’s European operations face slower growth and tighter regulation.
The plan remains at an early stage and may not proceed. Any deal would require approval from US regulators and the German government, which retains a significant stake in Deutsche Telekom.
Why it’s important
This is less a traditional merger than a structural reset. T-Mobile now effectively defines Deutsche Telekom’s valuation and growth profile. A full combination would formalise that shift and remove the holding company discount.
The proposal targets a long-standing imbalance. Investors often value T-Mobile more highly than its parent, despite Deutsche Telekom’s controlling stake. A unified structure could close that gap and improve capital allocation across markets.
It also reflects a broader trend in telecoms. Scale, spectrum control and 5G investment now favour operators with strong US exposure. By aligning fully with T-Mobile, Deutsche Telekom could sharpen its strategic focus and funding capacity.
However, risks remain significant. Political oversight in Germany may constrain deal terms, especially around governance and headquarters. US regulators may also examine market concentration and foreign control issues.
If completed, the transaction could set a template for cross-border telecom consolidation. It would show how global operators respond when growth, valuation and capital increasingly concentrate in one market.
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