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Headquartered in the Republic of Korea, KT Corporation, formerly Korea Telecom, is a telecommunication services company founded in 1885 and publicly listed in 1981. KT had 54 million subscribers in the Republic of Korea in 2021. It also operates internationally with a presence in 13 countries across Africa, Asia and the US. 

Ranking position
#67 /200
Total score
40.6 /100
Measurement area Score (0-2) Rank (0-200)


0.8 /2 #53


0.6 /2 #75


0.7 /2 #113


1.0 /2 #69

Core social indicators

1.1 /2 #16
Indicates the score for the top performing company.

Leading practices

Risks and opportunities

Core Social Assessment

The core social indicators assess societal expectations of business conduct that companies should meet if they aspire to be part of a system transformation that leaves no one behind.

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  1. 2021

More about the company

Seongnam, Republic of Korea
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Ownership structure
Mixed (12% Gov., 88% Public)
Fiscal year
Ends 31 December
Group revenue
US$ 21,765 millions (FY2021)
Group employees
21,759 (FY2021)
Emission data
Electricity consumption
2,838,091 MWh (FY2021)
Company filing name
KT Corporation

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

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