L&K Engineering Co., Ltd.

TWSE:6139 Stock Report

Market Cap: NT$191.1b

L&K Engineering Past Earnings Performance

Past criteria checks 6/6

L&K Engineering has been growing earnings at an average annual rate of 53.3%, while the Commercial Services industry saw earnings growing at 4.3% annually. Revenues have been growing at an average rate of 27.7% per year. L&K Engineering's return on equity is 37.1%, and it has net margins of 9.9%.

Key information

53.35%

Earnings growth rate

52.63%

EPS growth rate

Commercial Services Industry Growth7.69%
Revenue growth rate27.69%
Return on equity37.15%
Net Margin9.90%
Last Earnings Update31 Mar 2026

Recent past performance updates

Recent updates

Revenue & Expenses Breakdown

How L&K Engineering makes and spends money. Based on latest reported earnings, on an LTM basis.

Earnings and Revenue History

TWSE:6139 Revenue, expenses and earnings (TWD Millions)
DateRevenueEarningsG+A ExpensesR&D Expenses
31 Mar 2685,7568,4872,203262
31 Dec 2577,4857,1452,078240
30 Sep 2562,3425,3751,633181
30 Jun 2554,2383,8871,106194
31 Mar 2557,9984,2891,180206
31 Dec 2465,0904,3361,297201
30 Sep 2478,4584,1321,037209
30 Jun 2476,6164,1071,058199
31 Mar 2467,8353,501968177
31 Dec 2356,9052,889958185
30 Sep 2343,7872,0821,200151
30 Jun 2338,8521,3641,326143
31 Mar 2336,4461,0721,125140
31 Dec 2235,739999983137
30 Sep 2233,274859824132
30 Jun 2228,779631869121
31 Mar 2227,0935321,020120
31 Dec 2123,7533211,000118
30 Sep 2119,7812191,053108
30 Jun 2117,829291956103
31 Mar 2115,26241891798
31 Dec 2013,91734385484
30 Sep 2014,652332732101
30 Jun 2014,520576634102
31 Mar 2014,74540962795
31 Dec 1916,59249965892
30 Sep 1915,80259770891
30 Jun 1917,73736374095
31 Mar 1920,91848667699
31 Dec 1822,235543648105
30 Sep 1823,11159063899
30 Jun 1822,81651468491
31 Mar 1821,88757075684
31 Dec 1721,18760981476
30 Sep 1720,99559379767
30 Jun 1720,25864181368
31 Mar 1719,77859873570
31 Dec 1623,47361673874
30 Sep 1624,44843263869
30 Jun 1625,18048967262
31 Mar 1623,85134765756
31 Dec 1517,49519260347
30 Sep 1516,34327468351
30 Jun 1515,01114959951

Quality Earnings: 6139 has high quality earnings.

Growing Profit Margin: 6139's current net profit margins (9.9%) are higher than last year (7.4%).

Free Cash Flow vs Earnings Analysis

Past Earnings Growth Analysis

Earnings Trend: 6139's earnings have grown significantly by 53.3% per year over the past 5 years.

Accelerating Growth: 6139's earnings growth over the past year (97.9%) exceeds its 5-year average (53.3% per year).

Earnings vs Industry: 6139 earnings growth over the past year (97.9%) exceeded the Commercial Services industry 3.9%.

Return on Equity

High ROE: 6139's Return on Equity (37.1%) is considered high.

Return on Assets

Return on Capital Employed

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Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/06/17 14:01
End of Day Share Price 2026/06/17 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

L&K Engineering Co., Ltd. is covered by 2 analysts. 1 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
null nullCapital Securities Corporation
Licheng ZhuangCapital Securities Corporation