Sejong Telecom
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Sejong Telecom builds and installs electrical, telecommunications, fire-safety, and civil infrastructure for public and private clients across South Korea and in select overseas markets.
Its customers include public-sector bodies, residential developers, and industrial facility operators. Listed on KOSDAQ, South Korea's tech and small-cap exchange, the company has reorganised around a core of electrical construction and ICT services, spinning off its fixed-line telecoms operations into a separate subsidiary and divesting its commerce business to sharpen focus on those core areas.
Summary is AI-generated and may contain errors · figures from DART filings
The company has carved out its fixed-line national telecoms operations into a separately incorporated subsidiary, Sejong Networks Co., Ltd., and its AI and digital-transformation business into Sejong DX Co., Ltd., each as independent legal entities.
Sejong Telecom in five facts
What does Sejong Telecom do?
Sejong Telecom builds and installs electrical, telecommunications, fire-safety, and civil infrastructure for public and private clients across South Korea and in select overseas markets.
Where is Sejong Telecom listed and in which sector?
Sejong Telecom (Korean name: 세종텔레콤) trades under KRX code 036630 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Construction & Engineering.
How large is Sejong Telecom?
Its market capitalisation was US$74.8M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Sejong Telecom's latest annual revenue and operating profit?
For fiscal year 2025, Sejong Telecom reported revenue of US$214.5M, an operating loss of US$8.1M and net income of US$6M, per its annual report on DART (data retrieved from DART on 2026-09-08). Revenue was down 23.5% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-08
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- Report on large shareholdings (5% rule) (standard)Sep 9
- Report on securities held by executives/major shareholdersSep 9
- Report on large shareholdings (5% rule) (standard)Aug 31
- Report on securities held by executives/major shareholdersAug 31
- Material event report (rights offering)
Sejong Telecom disclosed a private placement (third-party allotment) to raise US$18.3M, about 25.8% of its market value.
Capital raise · Jul 6 - Treasury share disposal: results reportTreasury Shares · Mar 10
- Cash/in-kind dividend decision
Sejong Telecom declared a cash dividend of US$0.20 per share, equal to about 2.7% of the recent share price.
Dividend · Mar 9 - Material event report (treasury share disposal)
Sejong Telecom disclosed a plan to sell treasury shares worth US$34.1K, about 0.0% of its market value.
Treasury Shares · Mar 4 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Sejong Telecom reported consolidated results for FY2025: revenue of US$197M (−23.48% year on year), an operating loss of US$7.47M and net income of US$5.26M (from a loss a year earlier).
Earnings · Feb 25