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OTE, or Hellenic Telecommunications Organization, was incorporated in 1949 and is the largest technology company in Greece. The company offers fixed and mobile telephony, broadband services and subscription-based TV. The group also operates in the telecommunications market in Romania. The company served 11.8 million mobile subscribers at the end of 2021.

Ranking position
#59 /200
Total score
42.1 /100
Measurement area Score (0-2) Rank (0-200)


0.6 /2 #83


0.8 /2 #45


1.3 /2 #19


0.7 /2 #109

Core social indicators

0.8 /2 #51
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Core Social Assessment

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  1. 2021

More about the company

Athens, Greece
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Ownership structure
Mixed (6% Gov., 49% Private, 45% Public)
Fiscal year
Ends 31 December
Group revenue
US$ 3,963 millions (FY2021)
Group employees
11,038 (FY2021)
Emission data
277,098 tCO2 (S1+S2 LB)
Electricity consumption
Company filing name
Hellenic Telecommunications Organization S.A.

This company is part of the SDG2000, the 2,000 most influential companies

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