KT (Korea Telecom)

KT (Korea Telecom)

https://corp.kt.com/
https://www.linkedin.com/company/kt/

KT, also known as Korea Telecom, is a publicly owned company headquartered in South Korea. Founded in 1981, the company employs approximately 6,580 individuals and reported $20.2B in revenue as of 2025. The company operates primarily in telecoms, functioning as a South Korean telecommunications company and is recognized as the second-largest wireless carrier in South Korea.

2025 Revenue

Founded

1981

Headcount

6,577

Headquarters

South Korea

Primary Segment

Telecoms

Ownership

Publicly Owned

News Summary:

On February 20, 2026, KT completed performance verification of a 7 GHz high-density multi-antenna technology, developed jointly with Samsung Electronics. This technology integrates multiple antennas into a single system to increase signal efficiency and boost data throughput, with verification conducted in the 7 GHz band, a core frequency range under consideration for 6G. Previously, on February 16, SK Telecom (SKT) added over 340,000 subscribers through mobile number portability in January, following KT's temporary waiver of early termination fees after a major data breach. Earlier, on February 10, KT reported its 2025 net profit rose 340.4 percent to 1.83 trillion won (US$1.3 billion), with operating profit reaching 2.46 trillion won. The wireless carrier swung to a net profit in the fourth quarter of 2025 from a year earlier, benefiting from a base effect after booking one-off costs in the previous year.

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KT (Korea Telecom) offers 10 products in the telecoms tech, media and telecoms services, ad tech and services and connectivity and cloud industries. KT (Korea Telecom)'s product portfolio comprises of telecoms, enterprise connectivity services, advertising, marketing, media agencies, media and TV services, consumer electronics and enterprise and telecoms software.

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KT (Korea Telecom)'s revenues were $20.2B in 2025. Caretta Research has split KT (Korea Telecom)'s revenue into 9 different product categories, the largest of which is mobile services, which represents 30% of KT (Korea Telecom)'s revenue.

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Feb

23rd

2026

06:08

Events, Artificial Intelligence, B2B Tag

S. Korean telecom firms to showcase AI-based mobile tech at upcoming MWC 2026

SEOUL, Feb. 23 (Yonhap) -- South Korea's three major mobile carriers are set to showcase their latest artificial intelligence (AI) technologies at the Mobile World Congress (MWC) 2026 in Spain next month, the companies said Monday.

Feb

22nd

2026

18:30

Events, Artificial Intelligence, B2B Tag

Korean telcos to unveil AI monetization plans at MWC 2026

South Korea’s three major mobile carriers are set to unveil concrete blueprints for monetizing artificial intelligence (AI) at Mobile World Congress (MWC) 2026, the world’s largest telecommunications exhibition. According to the telecom industry on Sunday, the three carriers – SK telecom Co., KT Corp., and LG Uplus Corp., will each operate large standalone exhibition halls at MWC, which will be held for four days starting March 2, local time, in Barcelona, Spain.

Pulse by Maeil Business News Korea

Feb

20th

2026

00:29

Emerging Tech, B2B Tag

KT and Samsung verify 7 GHz high-density antenna technology for 6G

Korea Telecom (KT) has completed performance verification of a 7 GHz high-density multi-antenna technology developed jointly with Samsung Electronics. The technology integrates multiple antennas into a single system to increase signal efficiency and boost data throughput. The verification was conducted in the 7 GHz band, identified as one of the core frequency ranges under consideration for 6G.

Feb

19th

2026

18:30

Emerging Tech, B2B Tag

Industry leaders turn to heritage marketing in AI era

South Korea’s long-established industry leaders are turning to heritage-based branding campaigns, highlighting their role in building markets as artificial intelligence and robotics reshape the technology landscape. According to industry sources on Thursday, Samsung Electronics Co. released an online advertisement earlier this year spotlighting its technological heritage in televisions and home appliances.

Pulse by Maeil Business News Korea

Feb

16th

2026

01:21

SKT gains over 340,000 users after KT waives exit fees

SK Telecom (SKT) added more than 340,000 subscribers via mobile number portability (MNP) in January, as rival Korea Telecom (KT) temporarily waived early termination fees following a major data breach, according to Yonhap citing industry data.

Feb

10th

2026

09:35

Financial Results, Capital Investment, Emerging Tech, B2B Tag

(LEAD) KT swings to net profit in Q4 on base effect

(ATTN: RECASTS headline, lead; UPDATES with more info; ADDS photo; COMBINES with earlier story slugged KT-2025 earnings) SEOUL, Feb. 10 (Yonhap) -- KT Corp., South Korea's second-largest wireless carrier, said Tuesday it swung to a net profit in the fourth quarter from a year earlier, benefiting from a base effect following one-off costs booked a year ago.

Feb

10th

2026

08:30

Financial Results, B2B Tag

KT's 2025 net income up 340.4 pct to 1.83 tln won

SEOUL, Feb. 10 (Yonhap) -- KT Corp., South Korea's No. 2 mobile carrier, on Tuesday reported its 2025 net profit of 1.83 trillion won (US$1.3 billion), up 340.4 percent from a year earlier. The company said in a regulatory filing that it posted 2.46 trillion won in operating profit for the year, compared with 809.5 billion from the previous year.

Feb

10th

2026

08:08

Financial Results, B2B Tag

KT back to black as it recovers from network breaches

KT Corp has swung back into the black after putting the worst of last year’s security failures behind it. It posted Q4 earnings of 91.5 billion Korean won (US$62.6 million), up from a one-off KRW455 billion ($311 million) loss last year, with revenue up 4%, service revenue 3% higher and opex dropping 9%.

Feb

9th

2026

18:30

Financial Results, B2B Tag

KT Corp Q4 operating profit 227.3 billion won, swings to profit from year earlier

KT Corp: KT Corp: Q4 operating profit 227.3 billion won, swings to profit from year earlier ...

Feb

9th

2026

08:53

Advanced Manufacturing, B2B Tag

KT claims major advance in QKD

South Korean telco KT Corp says its scientists have independently developed the country’s fastest quantum key distribution (QKD) system. KT says the home-grown new system can generate 300,000 encryption keys per second, twice its previous rate, and is a major step forward in quantum communication technology.

Feb

5th

2026

18:42

Management Changes, B2B Tag

KT BoD Confirms Yoon-Young Park as Final CEO Candidate

KT BoD Confirms Yoon-Young Park as Final CEO Candidate

Feb

4th

2026

00:15

Emerging Tech, B2B Tag

KT develops higher-speed quantum key distribution system

Korea Telecom (KT) has developed a quantum key distribution (QKD) system capable of generating up to 300,000 encryption keys per second, more than doubling the performance of its previous system introduced in early 2024. KT said the system is based on proprietary technology and uses quantum mechanical principles to prevent duplication of encryption keys and detect eavesdropping on physical communication lines.

Examples of KT (Korea Telecom)'s suppliers include Google, Amdocs and Samsung Device eXperience.

Example Suppliers

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Example Partners

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KT (Korea Telecom) currently holds broadcasting rights for sports competitions including baseball.

Example Sports Rights Suppliers

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