PER, EPS, PBR and BPS are calculated in-house from the last 4 quarters (2025Q3–2026Q2) · Dividend yield is based on ₩0 per share · Prices as of the 2026-10-02 close
MediaZen posted a sharp year-on-year revenue increase and a brief quarterly profit in late 2025, but swung back to large losses in the first half of 2026, underscoring high earnings volatility.
2025 revenue rose sharply to KRW 22.78 billion from KRW 12.02 billion, but annual operating and net losses continued
Q4 2025 briefly turned profitable (operating profit KRW 0.37bn, net profit KRW 0.05bn) before operating losses widened again to KRW 1.95bn and KRW 2.06bn in Q1-Q2 2026
Debt ratio rose from 111.2% (2024) to 153.5% (2025) while operating cash flow deteriorated to -KRW 4.71 billion
The company is diversifying beyond its core STT/TTS voice technology into edtech (e-Baigle), public-sector AI, and new robotics initiatives
Repeated convertible bond issuances, conversion-price resets, and rights offerings create ongoing share-dilution considerations
MediaZen is an AI voice and language solutions company built on proprietary speech-to-text (STT) and text-to-speech (TTS) technology.
According to company materials, its voice recognition systems are designed to remain robust across varied speaking styles and noise conditions, with proprietary technology covering both server and embedded environments.
Its pronunciation assessment system is used in pronunciation education and therapy, alongside vocabulary evaluation, grammar correction, and listening-assessment engines.
A conversation-summarization engine called CallSum, which automatically summarizes real-time consultations or meetings, is also part of the core product lineup.
The company has a long track record of mass-production voice recognition systems for automakers including Hyundai and Kia, and vehicle-related voice systems are understood to account for a substantial share of revenue.
More recently, MediaZen unveiled its AI English-learning platform E-Baigle, combining NE Neungyule and YBM educational content with its voice-recognition technology, and has been expanding into public education, university, and overseas markets through appearances at Korean education fairs and EDIX Tokyo 2026.
At its 2026 annual general meeting, the company added electrical construction and mechanical installation to its stated business purposes, and its latest quarterly report states that R&D is now centered on a robotics development division and future core research covering key components, robotics platforms, domain solutions, and AI technology, signaling a diversification push.
It has also participated in public-sector AI projects, presenting joint research with the Electronics and Telecommunications Research Institute (ETRI) and the Korea Fair Trade Commission on legal search (RAG) and voice-recognition quality improvement at academic conferences.
| Quarter | Revenue | Operating profit | Op. margin |
|---|---|---|---|
| 2025Q2 | ₩4.9B | -₩1.1B | −23.6% |
| 2025Q3 | ₩2.1B | -₩700M | −35.3% |
| 2025Q4 | ₩7.8B | ₩400M | 4.8% |
| 2026Q1 | ₩3.4B | -₩2B | −58.1% |
| 2026Q2 | ₩2.8B | -₩2.1B | −73.8% |
| Year | Revenue | Operating profit | Net income (parent) | Op. margin | ROE | Debt-to-equity |
|---|---|---|---|---|---|---|
| 2022 | ₩17.4B | -₩2B | -₩1.9B | −11.7% | −11.2% | 85.7% |
| 2023 | ₩12.8B | -₩5.3B | -₩5.5B | −41.3% | −51.0% | 135.4% |
| 2024 | ₩12B | -₩4.7B | -₩4.2B | −38.9% | −23.2% | 111.2% |
| 2025 | ₩22.8B | -₩2.2B | -₩2.7B | −9.8% | −17.2% | 153.5% |
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
MediaZen's 2025 consolidated revenue reached KRW 22.78 billion, up sharply from KRW 12.02 billion in 2024, and also higher than KRW 12.75 billion in 2023 and KRW 17.36 billion in 2022, marking the strongest revenue level of the past four years.
Despite the revenue growth, the operating loss stood at -KRW 2.23 billion, marking a fourth consecutive year of losses, with a net loss of -KRW 2.72 billion. Notably, however, the loss magnitude has been narrowing gradually, from -KRW 5.46 billion in 2023 and -KRW 4.18 billion in 2024.
On a quarterly basis, revenue fell to KRW 2.08 billion in Q3 2025, producing an operating loss of -KRW 0.74 billion and a net loss of -KRW 0.89 billion, but then surged to KRW 7.75 billion in Q4 2025, generating a rare quarterly operating profit of KRW 0.37 billion and net profit of KRW 0.05 billion.
This appears to reflect seasonal revenue recognition concentrated in public-sector and education-related contracts toward year-end, indicating that much of the annual improvement was concentrated in a single quarter.
However, revenue declined again to KRW 3.36 billion and KRW 2.79 billion in Q1 and Q2 2026 respectively, and operating losses widened to -KRW 1.95 billion and -KRW 2.06 billion, larger than the same periods a year earlier.
This quarter-to-quarter volatility reflects a business structure in which revenue recognition tends to cluster in specific periods, and even on a trailing four-quarter basis (Q3 2025 through Q2 2026) the company remains in a net loss position.
Shareholders' equity declined from KRW 18.02 billion in 2024 to KRW 15.76 billion in 2025, the debt ratio jumped from 111.2% to 153.5%, and operating cash flow worsened from -KRW 1.77 billion to -KRW 4.71 billion — indicating that, separate from the revenue growth, pressure on cash generation and balance-sheet health has intensified.
The AI voice recognition (STT) and speech synthesis (TTS) market is increasingly converging with large language model (LLM) and generative AI technology, and MediaZen has presented related research at academic conferences covering legal search (RAG) and voice activity detection (VAD) performance improvements to keep pace with these trends.
In the public sector, government-backed projects are underway with support from the Ministry of Science and ICT and the National IT Industry Promotion Agency (NIPA), including an AI platform for reviewing unfair contract terms and a subcontract-support AI system for the Korea Fair Trade Commission, illustrating growing public-sector AI demand.
In edtech, demand for voice-based AI learning solutions such as pronunciation assessment and conversation practice appears to be expanding both domestically and abroad, and MediaZen has partnered with content providers such as NE Neungyule and YBM to launch its E-Baigle platform while exhibiting at overseas events such as EDIX Tokyo to broaden its market reach.
The automotive voice recognition segment appears highly sensitive to automaker order schedules and new-vehicle project cycles, which likely contributes to the large quarter-to-quarter swings in results.
In terms of competitive positioning, alongside numerous domestic small and mid-sized voice-AI firms, global technology companies such as Google, Amazon, and OpenAI continue to advance their own voice and generative AI capabilities rapidly, pushing Korean specialized voice-solution companies to differentiate through language-specific technical strength and domain expertise in areas such as public administration and education.
Following the initial unveiling of its E-Baigle platform at a Korean education fair, MediaZen has stated plans to expand public and institutional partnership proposals, including local-government AI English pilot programs, public English education platform construction, and university English education innovation models.
In Japan, building on its EDIX Tokyo appearance, the company has stated intentions to continue technical cooperation and business discussions with local education institutions and edtech companies and to expand its global edtech business based on a localization strategy.
Its latest quarterly report states that R&D continues to focus on a robotics development division and future core research spanning key components, robotics platforms, domain solutions, and AI technology, indicating an effort to identify new growth drivers beyond its existing voice-AI business.
In the public sector, the company has said it will continue field-testing LLM applications in legal and administrative domains and voice-recognition quality improvements through collaboration with ETRI and the Korea Fair Trade Commission, and that it will keep pursuing R&D and pilot deployments applying AI to public administration, customer-service response, and voice-based services.
How much these diversification efforts translate into actual revenue will need to be verified through upcoming quarterly results and new contract disclosures.
On the financial side, the rising debt ratio and deteriorating operating cash flow mean that funding needs alongside new business investment will likely remain an ongoing point to monitor.
Because the company has remained in a net loss position even on a trailing four-quarter basis, the price-to-earnings ratio remains in a non-calculable range.
The price-to-book ratio differs slightly depending on the calculation basis, but under both approaches the shares trade at a level above per-share net asset value. The company has not paid dividends in recent years, so dividend-related metrics are not established.
The decline in shareholders' equity and the rise in the debt ratio between 2024 and 2025 suggest that the underlying balance-sheet structure that determines net asset value is itself shifting.
Despite years of operating losses, revenue has shown a recovery trend and the company posted a rare quarterly profit in the fourth quarter, suggesting that market valuation has reflected expectations around business diversification and future growth potential more than past earnings performance.
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
2025 revenue climbed to KRW 22.78 billion from KRW 12.02 billion a year earlier, a marked recovery from the weaker 2024 level. Loss size has also narrowed gradually, from -KRW 5.46 billion in 2023 to -KRW 2.72 billion in 2025.
In Q4 2025, revenue reached KRW 7.75 billion with a rare quarterly operating profit of KRW 0.37 billion and net profit of KRW 0.05 billion, signaling potential for business recovery.
MediaZen is developing an AI platform for unfair-contract-term reviews and a subcontract-support AI system for the Korea Fair Trade Commission, backed by the Ministry of Science and ICT and NIPA.
Collaboration with public research institutions continues, including a generative AI technology transfer agreement with ETRI. Expanding participation in new public-sector AI projects could contribute to revenue diversification.
The company continues to pursue new growth drivers beyond its core voice-AI business, including the E-Baigle edtech platform, overseas expansion via EDIX Tokyo, and the establishment of a new robotics development division.
At its 2026 annual general meeting, it also added electrical construction and mechanical installation to its stated business purposes. If diversification translates into revenue, it has the potential to reduce dependence on any single industry such as automotive voice recognition.
After the brief profit in Q4 2025, operating losses widened again to -KRW 1.95 billion and -KRW 2.06 billion in Q1 and Q2 2026, larger than the same periods a year earlier. Revenue also fell sharply to KRW 3.36 billion and KRW 2.79 billion, down from KRW 7.75 billion in Q4.
The large swing in quarterly results reflects a business structure where revenue recognition concentrates in specific periods, reducing predictability.
The debt ratio has risen steadily from 85.7% in 2022 to 153.5% in 2025, while shareholders' equity declined from KRW 18.02 billion in 2024 to KRW 15.76 billion in 2025. Operating cash flow deteriorated sharply from -KRW 0.56 billion in 2022 to -KRW 4.71 billion in 2025. Continued weakening of cash generation could increase the need for additional external funding.
According to disclosures, the convertible bond conversion price was adjusted downward on multiple occasions due to share price declines, and a rights offering priced below market value was conducted in March 2025.
Such recurring capital raises carry the potential for dilution of existing shareholders as share count increases. If further fundraising is needed to support new business investments, similar dilution issues could recur.
Operating cash flow has been negative for four consecutive years, widening to -KRW 4.71 billion in 2025. Continued cash burn could increase reliance on external funding, and the terms of such funding could affect shareholder value.
Funding needs could grow further if new business investments in areas such as robotics and edtech proceed in parallel.
A substantial portion of revenue is understood to be tied to automotive voice recognition, and quarterly revenue recognition timing appears highly dependent on automakers' new-vehicle project order schedules.
High dependence on specific customers or industries means that shifts in demand or order delays in that sector could directly affect results.
As global technology companies such as Google, Amazon, and OpenAI rapidly advance their own voice and generative AI capabilities, whether domestic specialized voice-solution firms can sustain technical differentiation remains a key question.
If large platform companies strengthen their own voice-AI capabilities, existing client contracts and new order competition could face increased pressure.
The Q3 2026 quarterly report is expected around this time; it will be important to check whether the widened operating losses seen in Q1-Q2 continue or whether a seasonal improvement similar to last year's Q4 recurs.
Watch for disclosures or press releases on whether local governments or public education programs adopt the E-Baigle platform, which would indicate whether the edtech business is translating into revenue.
Following its EDIX Tokyo appearance, check whether concrete partnership contracts with local education institutions or edtech companies are announced, as this would gauge tangible progress in overseas expansion.
Continue monitoring disclosures on share count changes from convertible bond conversions and any additional rights offerings or CB issuances, to track the scale of dilution and shifts in funding methods.
Check for disclosures on concrete contracts or revenue generation tied to the new robotics development division and electrical construction business purpose, to assess whether the diversification strategy is materializing into actual business.
MediaZen showed a recovery trend with sharply higher 2025 revenue and a rare quarterly profit in Q4, but operating losses widened again in H1 2026, reaffirming a business structure with substantial quarter-to-quarter earnings volatility.
On the financial side, the debt ratio has risen over several years and operating cash outflows have grown larger, suggesting that pressure on financial health has been building separately from the revenue recovery.
Beyond its core automotive voice recognition and pronunciation assessment business, the company is pursuing diversification into edtech (E-Baigle), public-sector AI projects, and new robotics initiatives in search of new growth drivers.
However, it will take time for these new businesses to translate into actual revenue and profit, and confirmation will require tracking upcoming quarterly results and new contract disclosures. A history of dilution from repeated convertible bond issuances and rights offerings is another factor worth watching.
On balance, this appears to be a period where positive signals of revenue growth and business diversification coexist with negative signals of earnings volatility and rising financial strain.
Report written 2026-09-05 · Data as of 2026-09-04
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