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
Duoback had been building a turnaround case through revenue growth and narrower operating losses, but a change-of-control triggered by the CEO's passing has put the stock under a listing eligibility review while it remains halted from trading.
First-half 2026 revenue rose 20.9% year on year to KRW 12.04 billion, while the operating loss narrowed 38.7% to KRW 890 million.
An October 2025 real-estate revaluation lifted book value sharply, pushing year-end 2025 total equity to KRW 34.28 billion and cutting the debt ratio to 52.1%.
Duoback was designated an administrative issue stock in June 2026 after KOSDAQ raised its market-cap maintenance threshold, and trading has been halted since August 20 following a change of control tied to the CEO's death.
The company is expanding categories through a gaming-chair lineup (DX2, DX3, T-Five) and its Light Office home-office brand (motion desks, side tables).
The 44.10% stake held by the largest shareholder group is now subject to inheritance proceedings, drawing attention to the next moves of the second-largest shareholder, Alters Investment Advisory, which holds a 22.68% stake.
Founded in 1987, Duoback is an ergonomic chair specialist that holds the exclusive domestic manufacturing and sales rights to the DUOBACK patent licensed from Germany's Grahl.
Its product lineup has diversified beyond office and student ergonomic chairs into gaming chairs, high-end mesh chairs, and the IoT-based smart chair 'Jasealgo.' Distribution runs through unmanned stores, authorized dealers, its own Duoback Store online mall, consignment malls, and home-shopping channels.
As of the first quarter of 2026, domestic sales far outweighed exports, and product sales exceeded merchandise and other sales.
More recently the company has moved beyond chairs into desks and peripheral furniture through its home-office brand Light Office, launching motion desks and side tables in an attempt to enter the home-office market long dominated by Fursys Group's Desker.
Overseas, Duoback sells in Nordic markets including Sweden, Norway, Finland, Denmark, and Estonia, and is pursuing entry into the Czech Republic and the Netherlands. In public procurement (B2G), it is pushing the IoT smart chair Jasealgo as a differentiator.
In ergonomic office chairs Duoback competes domestically with brands such as Sidiz, while in the gaming and home-office categories it faces a broader field of domestic and international competitors.
| Quarter | Revenue | Operating profit | Op. margin |
|---|---|---|---|
| 2025Q2 | ₩4.5B | -₩700M | −15.0% |
| 2025Q3 | ₩4.8B | -₩800M | −16.1% |
| 2025Q4 | ₩5.3B | -₩800M | −15.0% |
| 2026Q1 | ₩6.3B | -₩200M | −3.7% |
| 2026Q2 | ₩5.8B | -₩700M | −11.3% |
| Year | Revenue | Operating profit | Net income (parent) | Op. margin | ROE | Debt-to-equity |
|---|---|---|---|---|---|---|
| 2022 | ₩31.6B | -₩4.2B | -₩3.7B | −13.4% | −17.9% | 31.9% |
| 2023 | ₩23.7B | -₩3.9B | -₩3.8B | −16.6% | −23.1% | 51.0% |
| 2024 | ₩23.1B | -₩3.4B | -₩3.6B | −14.6% | −27.3% | 75.2% |
| 2025 | ₩20.1B | -₩3B | -₩4.6B | −15.0% | −13.4% | 52.1% |
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 contracted for four straight years, from KRW 31.57 billion in 2022 to KRW 23.74 billion in 2023, KRW 23.10 billion in 2024, and KRW 20.09 billion in 2025, while the operating loss ran at KRW -4.22 billion, KRW -3.95 billion, KRW -3.37 billion, and KRW -3.02 billion over the same span, keeping the operating margin between roughly -13% and -15%.
Total equity, however, jumped to KRW 34.28 billion in 2025 from KRW 13.04 billion in 2024, a change that appears largely driven by an October 2025 real-estate revaluation that raised book value from KRW 7.6 billion to KRW 41.1 billion. The debt ratio accordingly fell from 75.2% in 2024 to 52.1% in 2025.
On a quarterly basis, the operating loss actually widened from KRW -680 million in the second quarter of 2025 (on revenue of KRW 4.54 billion) to KRW -779 million in the third quarter (revenue KRW 4.83 billion); in the fourth quarter, revenue rose to KRW 5.31 billion, yet the net loss attributable to owners ballooned to KRW -2.31 billion versus an operating loss of only KRW -796 million, suggesting a non-operating item weighed heavily on the bottom line that quarter.
Momentum reversed into early 2026, with first-quarter revenue of KRW 6.26 billion and an operating loss narrowed sharply to KRW -234 million, before second-quarter revenue slowed to KRW 5.78 billion and the operating loss widened again to KRW -652 million, underscoring considerable quarter-to-quarter volatility.
Management has stated that its first-half 2026 gross margin rose from 21.1% to 30.9%, attributing the improvement to a combination of revenue growth and cost-structure gains.
Over the trailing four quarters from the third quarter of 2025 through the second quarter of 2026, the cumulative net loss attributable to owners totaled roughly KRW -4.05 billion, indicating the company has yet to break free of its loss-making pattern.
South Korea's ergonomic and functional chair market is seen as growing modestly, supported by demand for improved home and office environments amid the spread of remote and hybrid work.
At the same time, the 'resimercial' trend, blending residential comfort into commercial workspaces, is expanding demand from chairs into desks and peripheral furniture.
The global home-office furniture market is projected by market researcher Mordor Intelligence to grow from USD 38.4 billion in 2025 to USD 58.63 billion by 2031.
In Korea's home-office segment, Fursys Group's Desker brand surpassed KRW 100 billion in revenue in 2024, giving it a first-mover advantage that could act as an entry barrier for a later entrant like Duoback.
The gaming-chair category features intense competition among domestic and international brands, and Duoback has responded with a 'fast-track' development system aimed at cutting development time and cost.
Public procurement (B2G) is viewed as an area where technology differentiation, such as IoT-based smart chairs, can matter.
At the same time, tightened KOSDAQ listing-maintenance standards, including higher market-cap thresholds for administrative-issue and delisting designations, are broadly weakening smaller listed companies' access to capital markets, making regulatory shifts as influential as underlying industry demand for supply-and-demand and share-price dynamics at individual companies during this period.
Duoback has said it plans to pursue global market expansion and lineup expansion together starting in the second quarter as it lays the groundwork for a turnaround.
It plans to roll out new gaming chairs including the DX2, DX3, and T-Five in sequence, segmenting target customers from high-end models to value and dedicated gaming chairs.
Its home-office brand Light Office broadened the company's scope from chairs into desks and peripheral furniture with the June 2026 launch of a motion desk and side table.
The high-end Ergoback D300 chair and the newer Bravo Edge model each drew meaningful crowdfunding amounts on Wadiz, an early signal of market response to the premium and high-end lines.
As a new business initiative, the company is developing a 'Duoback Fitting Lounge' that uses data accumulated from online channels to recommend personalized chairs, with plans to extend the service to offline stores after gaining operating experience.
Management has said it will execute a cost-reduction plan starting in the second half of 2026 to improve profitability.
However, execution of all these plans could be affected by the outcome of the ongoing listing eligibility review, the resulting timeline for any resumption of trading, and the process of normalizing management, including the appointment of a new chief executive.
The price-to-book ratio has tended to sit near the lower end of its multi-year trading band, and the sharp increase in total equity from the 2025 asset revaluation is a factor that can affect book value per share going forward.
That said, the company has continued to post operating losses for several consecutive years, so any reading of the share price relative to net assets needs to be considered alongside whether earnings actually recover.
The recent designation as an administrative issue stock under tightened KOSDAQ listing-maintenance standards, and the trading halt triggered by the change of control, suggest that listing eligibility itself is currently a larger variable than conventional valuation comparisons.
On dividends, several consecutive years of net losses have left limited capacity to pay one, so a dividend-yield framing offers limited insight at this stage.
Under these circumstances, non-financial variables, such as the outcome of the listing eligibility review, whether governance is normalized, and the durability of any earnings improvement, warrant as much attention as conventional earnings-based metrics.
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
Revenue grew 15.5% year on year in the first quarter and 20.9% in the first half of 2026, breaking from a four-year decline. Domestic sales led the growth, with product diversification and market expansion at home and abroad cited as drivers. Expansion into gaming chairs and the home-office category could add further momentum to this trend.
The operating loss narrowed 38.7% year on year in the first half of 2026, and management reported gross margin rising from 21.1% to 30.9%. The company has laid out a plan to execute cost reductions from the second half of the year to keep improving profitability. Signs of improvement are emerging from a multi-year loss-making structure.
An October 2025 real-estate revaluation substantially increased total equity and lowered the debt ratio. Observers have noted this could provide capacity for additional borrowing or asset monetization. Separate from the earnings picture, this has created a balance-sheet buffer.
Duoback was designated an administrative issue stock in June 2026, and trading has been halted since August 20 following a change of control triggered by the CEO's death.
Trading remains impossible until the Korea Exchange decides whether the stock is subject to a formal listing eligibility review, and the process could be prolonged depending on the outcome.
The company posted operating losses for four consecutive years from 2022 through 2025, and the loss widened again in the fourth quarter of 2025 and the second quarter of 2026, showing the improvement has not been smooth.
It is still premature to say the structural issue of five straight years of operating losses has been fully resolved.
Following the CEO's death, the 44.10% stake held by the largest shareholder group has entered inheritance proceedings, and a successor CEO has not yet been appointed.
Combined with the second-largest shareholder, an investment advisory firm, having expanded its stake to 22.68%, uncertainty around control of the company could persist.
KOSDAQ's market-cap threshold for listing maintenance was raised to KRW 20 billion starting in July 2026, and a new penny-stock rule (closing price under KRW 1,000 for 30 consecutive trading days) was also introduced; failure to clear the threshold for 45 consecutive days within a 90-trading-day window after an administrative-issue designation can lead to final delisting.
Duoback, already designated an administrative issue stock, now also faces a listing eligibility review triggered by a change of control, compounding the risks.
The fact that the operating loss widened again in the second quarter of 2026 relative to the first quarter makes it difficult to conclude that the recent profitability improvement is yet on a stable trajectory.
Since the cost-reduction plan is scheduled to be implemented in the second half, whether the plan is executed and its actual impact still need to be confirmed.
Following the CEO's death, no successor has been appointed, and the company is currently operating under an acting-executive structure decided by the board.
Multiple uncertainties exist simultaneously, including how the inherited stake held by the largest shareholder will be handled, the timing of a new CEO's appointment, and how this process will affect the listing eligibility review.
Watch for the Korea Exchange's decision on whether Duoback is subject to a formal listing eligibility review, and whether trading resumes as a result. A delayed decision could prolong the trading halt.
Check for a board disclosure naming a new representative director. This would be an early signal of management normalization.
Review third-quarter 2026 revenue and operating-loss figures to see whether the first-half cost-structure improvement and revenue growth continued into the second half.
If trading resumes, track whether the stock continuously meets the market-cap and price thresholds needed to lift the administrative-issue designation.
Duoback showed signs of improvement in 2026 through revenue growth, a narrower operating loss, and a higher gross margin, while continuing efforts to diversify growth drivers via expansion into gaming chairs and the home-office category.
However, the company was designated an administrative issue stock under KOSDAQ's tightened listing-maintenance standards, and a subsequent change of control triggered by the CEO's death has left it awaiting a decision on whether it will face a formal listing eligibility review, with trading currently halted.
On the balance sheet, a 2025 asset revaluation lifted total equity and lowered the debt ratio, but the operating loss itself has persisted for four consecutive years since 2022, making it premature to conclude that a profitability recovery has fully taken hold.
The timeline for normalizing governance, including the appointment of a new CEO and resolution of the inherited stake, along with the exchange's review outcome, are likely to be the key variables going forward.
Investors should weigh the operational improvement signals alongside the institutional variable of listing eligibility. This report is for informational purposes only and does not constitute a buy or sell recommendation.
Report written 2026-09-05 · Data as of 2026-09-04
This content is AI analysis of market data and web search results, provided for information only. It is not a solicitation or recommendation to invest. Investment decisions and their consequences are the investor's own responsibility. Data may be delayed or contain errors.