TMN

TMN was a prominent Portuguese mobile telecommunications brand formerly owned by Portugal Telecom. It was rebranded as MEO in 2014, with its operations now integrated under the Altice Portugal group.

Brand Identity Data

HQ Country

Portugal

EU Headquartered

Yes

EU Manufactured

Ownership Type

private

Stock Exchange

Private

Tax Domicile

Ultimate Parent

Altice International

Data Hosting

GDPR Status

compliant

B Corp Certified

Repair / Recycling

Yes ✓

Ethical Certifications

None verified

Verified on October 15, 2026

Corporate Lineage

1991

Launch

TMN was launched as the first mobile telecommunications operator in Portugal.

2014

Rebranding

TMN was rebranded as MEO as part of the Portugal Telecom brand consolidation strategy.

2015

Acquisition

Portugal Telecom, including the MEO brand, was acquired by the Altice Group.

Verification Sources

[1]TMN on Wikidata
[2]TMN LEI