PER, EPS, PBR and BPS are calculated in-house from the last 4 quarters (2025Q3–2026Q2) · Dividend yield is based on ₩640 per share · Prices as of the 2026-10-02 close
Telcoware supplies core network software to SK Telecom and KT and has shown margin recovery since 2025, but its failed 2025 voluntary delisting attempt leaves governance uncertainty in place.
2025 revenue fell to KRW 38.35bn from KRW 44.85bn a year earlier, but operating margin rose to 8.6%, the highest in the past four years.
Revenue is heavily concentrated in the fourth quarter, with 2025Q4 revenue of KRW 18.73bn more than double other quarters.
In May-June 2025 the CEO attempted a tender offer at KRW 13,000 per share for voluntary delisting but secured only 41.4% of the target volume and failed.
Treasury shares account for roughly 44% of outstanding shares, and minority shareholders continue to demand clarity on shareholder-return policy including possible cancellation.
Over the trailing four quarters (2025Q3-2026Q2), owner net profit totaled KRW 15.96bn, marking an expanded annual profit scale.
Telcoware, founded in 2000, is a telecom software company whose core business centers on Core Network solutions essential to mobile networks.
The company provides essential core systems on IMS (IP Multimedia Subsystem) networks and has expanded into HLR and HD Voice voice-core solutions, virtualization-based (VNF/CNF) mobile solutions, and video surveillance systems.
Its major customers are domestic mobile carriers, and Telcoware is known as a company that mainly supplies telecom network software to SK Telecom and KT among Korea's mobile carriers.
Based on the most recent breakdown as of Q1 2026, wireless data solutions accounted for an overwhelming 82% of revenue, with voice-core network at 17% and other items around 1%.
Its contracts with SK Telecom largely consist of recurring maintenance and technical-support work such as virtualization equipment technical support, HLR/HD Voice maintenance, and IMS rebuilding services. This business structure ties results closely to carriers' network investment and maintenance cycles.
Competitively, Telcoware is one of a small number of vendors specialized in domestic carrier core-network software, playing a complementary role in specific software segments rather than directly competing with large equipment vendors such as Nokia, Ericsson, or Samsung Electronics.
Financially, the company carries an unusually high treasury-share ratio and ample cash holdings, factors that were part of the backdrop to the 2025 governance event involving a tender offer.
| Quarter | Revenue | Operating profit | Op. margin |
|---|---|---|---|
| 2025Q2 | ₩6.1B | -₩1.4B | −22.7% |
| 2025Q3 | ₩7.1B | -₩29,978,196 | −0.4% |
| 2025Q4 | ₩18.7B | ₩6.5B | 34.8% |
| 2026Q1 | ₩6.8B | -₩1.4B | −19.8% |
| 2026Q2 | ₩10.3B | ₩3.1B | 30.5% |
| Year | Revenue | Operating profit | Net income (parent) | Op. margin | ROE | Debt-to-equity |
|---|---|---|---|---|---|---|
| 2022 | ₩42.6B | ₩2.9B | ₩3.9B | 6.7% | 3.5% | 18.4% |
| 2023 | ₩40.6B | ₩3B | ₩5.3B | 7.5% | 4.7% | 12.6% |
| 2024 | ₩44.9B | ₩3.4B | ₩5B | 7.5% | 4.5% | 13.4% |
| 2025 | ₩38.4B | ₩3.3B | ₩6.2B | 8.6% | 5.5% | 26.5% |
Consolidated basis (financial statements including subsidiaries) · Final figures from DART filings · Net income attributable to owners of the parent · Data as of 2026-08-23
Annual revenue fluctuated from KRW 42.57bn in 2022 to KRW 40.64bn in 2023 and KRW 44.85bn in 2024, before declining again to KRW 38.35bn in 2025.
Operating profit, however, rose steadily from KRW 2.86bn (6.7% margin) in 2022 to KRW 3.04bn (7.5%) in 2023 and KRW 3.38bn (7.5%) in 2024, and even as revenue fell in 2025, operating profit reached KRW 3.29bn with margin improving to 8.6%.
Owner net profit likewise expanded from KRW 3.87bn in 2022 to KRW 6.17bn in 2025, the highest level in the past four years.
Quarterly results show marked volatility: 2025Q2 posted revenue of KRW 6.12bn with an operating loss of KRW 1.39bn and a net loss of KRW 0.38bn, while 2025Q3 revenue rose to KRW 7.14bn with the operating loss narrowing to roughly KRW 0.03bn and net profit turning positive at KRW 0.73bn.
Revenue surged to KRW 18.73bn in 2025Q4, driving operating profit of KRW 6.52bn and net profit of KRW 6.93bn, a pattern consistent with year-end concentration of project and license revenue recognition.
In 2026Q1, despite an operating loss of KRW 1.35bn on revenue of KRW 6.82bn, net profit reached KRW 5.23bn, likely reflecting non-operating items, before the company returned to operationally driven profitability in 2026Q2 with revenue of KRW 10.30bn, operating profit of KRW 3.14bn, and net profit of KRW 3.08bn.
Over the trailing four quarters (2025Q3-2026Q2), cumulative owner net profit reached KRW 15.96bn, well above the full-year 2025 figure of KRW 6.17bn.
The telecom core-network software market that Telcoware operates in is directly tied to mobile carriers' network investment cycles. Following 5G commercialization, virtualization (NFV) of core networks is underway, marking a structural shift from hardware-centric to software-centric architecture.
However, past brokerage analysis noted that this growth potential requires wider penetration of 5G-capable IT devices before it can fully materialize.
The domestic market is an oligopoly dominated by a handful of carriers—SK Telecom, KT, and LG Uplus—so demand for specialized software vendors like Telcoware hinges on carriers' capital-expenditure budgets and maintenance cycles.
Globally, large equipment vendors such as Nokia, Ericsson, and Samsung Electronics provide integrated hardware-software solutions, while Telcoware maintains a stable position in specific software niches based on long-standing relationships with domestic carriers.
The telecom equipment sector has previously experienced carrier investment delays, making cyclical earnings volatility a persistent industry characteristic.
As a result, recurring maintenance and service revenue, along with profitability management, matter more to core-network software companies than absolute revenue scale.
The company's future performance is likely to depend heavily on whether maintenance and technical-support contracts with core clients such as SK Telecom and KT continue to be renewed.
Given that SK Telecom has consistently ordered recurring services such as virtualization equipment technical support, HLR/HD Voice maintenance, and IMS rebuilding, the continuity of these contracts is expected to be a key variable for future revenue stability.
On the governance front, following the failed 2025 tender offer, market observers raised the possibility that the CEO's side could consider alternatives such as a second tender offer or a comprehensive share swap, though the company has stated that no specific plan has been finalized.
Minority shareholders continue to call for stronger shareholder returns, including cancellation of treasury shares, suggesting these issues could resurface at future board or shareholder meetings.
On the growth side, newer technology areas such as 5G core virtualization solutions (e.g., NRF, NSSF) have been mentioned, though the timing of any meaningful revenue contribution remains uncertain.
Given the recurring fourth-quarter revenue concentration pattern, the direction of full-year results is likely to become clearer around the fourth-quarter earnings release. This research did not identify any specific quantitative guidance formally issued by the company.
The price-to-book ratio sits in a range below net asset value, suggesting the market does not fully reflect the company's total net asset base in its share price.
Given that quarterly net profit alternated between losses and gains before showing clear improvement over the trailing four quarters, the durability of this profit recovery is likely to remain central to valuation discussions going forward.
Dividends have been paid annually, though whether the payout level is relatively high or low versus the sector can vary by period, making generalization difficult.
Following the failed 2025 voluntary delisting attempt, market commentary has suggested that non-operating variables—such as the possibility of a renewed governance event or decisions on treasury-share cancellation—are factoring into share price behavior alongside business fundamentals.
These governance-related considerations are distinct from operating fundamentals, and investors may wish to monitor both the trajectory of operating margin improvement and the progress of governance issues.
PER, EPS, PBR and BPS are all calculated in-house (the same method as Naver and Toss) · Dividend yield = cash dividend per share from DART filings (supplemented by KRX) ÷ current price · As of 2026-08-23
Operating margin rose steadily from 6.7% in 2022 to 8.6% in 2025. The margin improvement even as revenue stagnated or declined may be related to cost management or a growing mix of higher-margin maintenance and service revenue.
Cumulative owner net profit over the trailing four quarters reached KRW 15.96bn, an expanded annual scale. Whether this improvement trend continues will need to be confirmed through future quarterly results.
The debt ratio remained low at 26.5% in 2025, and operating cash flow (CFO) rose sharply to KRW 16.93bn in 2025 from KRW 4.44bn a year earlier. This indicates the company operates on a stable financial base. Ample cash holdings could provide room for future shareholder-return policy or business reinvestment.
SK Telecom has been confirmed to continuously order services from Telcoware such as virtualization equipment technical support, HLR/HD Voice maintenance, and IMS rebuilding. Such recurring maintenance contracts can serve as a base-revenue safety net.
Because core telecom network infrastructure is not easily replaced, relationships with incumbent vendors tend to persist.
Annual revenue actually declined from KRW 42.57bn in 2022 to KRW 38.35bn in 2025, showing no clear growth trajectory over the four-year period. Because demand for core-network software depends on carriers' investment cycles, revenue could remain stagnant absent a clear new growth driver.
This suggests recent profit improvement stemmed mainly from cost and margin management rather than revenue expansion.
In May-June 2025, the CEO attempted a tender offer for voluntary delisting but secured only 41.4% of the target volume and failed.
Market commentary attributed the failure to minority shareholders holding out, and observers later suggested the CEO's side might reconsider alternatives such as a second tender offer or a comprehensive share swap.
The possibility of a repeat governance event continues to raise concerns about conflicts of interest between general shareholders and the controlling shareholder.
Operating losses of KRW 1.39bn were recorded in 2025Q2 and KRW 1.35bn in 2026Q1, while revenue and profit have repeatedly surged in the fourth quarter. This pattern makes quarter-by-quarter earnings forecasting less reliable.
The volatility appears tied to the timing of project and license revenue recognition, making it difficult for investors to gauge the annual trend from any single quarter's results.
Following the failed voluntary delisting attempt, the market has floated the possibility of a renewed governance event via a second tender offer or a comprehensive share swap. This process carries risk of conflicts of interest with minority shareholders and cannot rule out related litigation or regulatory intervention. The roughly 44% treasury-share ratio is likely to remain an important variable in future governance decisions.
The company's revenue is understood to be heavily dependent on a small number of carriers, mainly SK Telecom and KT. Any reduction in investment or change in contract terms by a key client could directly affect results.
Specific information on new clients or the proportion of overseas revenue was not confirmed, making it difficult to gauge the degree of customer diversification.
The year-end revenue concentration pattern creates significant quarterly volatility, and annual revenue has shown no clear growth over the past four years. The timing at which newer technology areas such as 5G core virtualization could translate into meaningful revenue remains uncertain. Any reduction or delay in carrier capital expenditure could negatively affect results.
Check the 2026 third-quarter (July-September) earnings release to see whether the typically slower third quarter and the pattern of fourth-quarter revenue concentration repeat this year.
Monitor DART and KIND disclosures for any renewed governance event, such as a second tender offer or comprehensive share swap.
Check for disclosures on the renewal of maintenance and technical-support contracts with core clients such as SK Telecom to assess the continuity of recurring revenue.
Check whether the regular shareholders' meeting for fiscal year 2026 includes agenda items on shareholder returns, such as treasury-share cancellation or dividend policy.
Telcoware is a telecom core-network software company whose main clients are SK Telecom and KT, and it has shown a profit recovery trend, with operating margin improving to 8.6% in 2025 and trailing four-quarter owner net profit reaching KRW 15.96bn.
However, annual revenue has shown no clear growth trend over the past four years, and quarterly results exhibit significant volatility within a fourth-quarter-concentrated pattern.
The May-June 2025 tender offer for voluntary delisting failed after securing only 41.4% of its target, and market commentary has since raised the possibility of a renewed alternative governance event, leaving governance uncertainty as a variable distinct from business fundamentals.
The unusually high treasury-share ratio of around 44% is likely to keep debate alive over the direction of future shareholder-return policy. Financially, the company maintains a low debt ratio and solid cash flow, underpinning a stable financial base.
Investors may wish to monitor the durability of operating-margin improvement, the renewal status of contracts with core clients, and the progress of governance issues together.
Report written 2026-09-05 · Data as of 2026-09-04
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