Risk grade updatedRisk gradeEvidence verified
12 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade A3.Business profile
Semko Oy
Semko Oy's registered office is Seinäjoki. It is a limited company. The company was established on 1995-01-25. It operates in the industry of manufacture of metal structures and parts of structures. In its latest retained statement for 2025-12-31, revenue was €7,398,690 and operating profit was €479,559.
Business ID 0989910-4ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 0989910-4
- Sector
- Manufacture of metal structures and parts of structures
- Municipality
- Seinäjoki
- Company form
- Limited company
- Registration date
- 1995-01-25
- Business ID registration date
- 1995-01-04
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Tehtaantie 8, 60100, Seinäjoki
Postal address: TEHTAANTIE 8, 60100, Seinäjoki
Phone: +358207288350Source observation
Email: [email protected]Source observation
Website: https://semko.fiSource observation
People and decision-makers
Yliselä Mikko AnteroToimitusjohtaja
Email: Email available for logged-in usersSource: company website
Phone: Phone available for logged-in usersSource: company website
Tuomas HeikkiläDecision-maker
Email: Email available for logged-in usersSource: company website
Phone: Phone available for logged-in usersSource: company website
Pekka KoskimiesDecision-maker
Email: Email available for logged-in usersSource: company website
Phone: Phone available for logged-in usersSource: company website
Tommi SaranpääDecision-maker
Email: Email available for logged-in usersSource: company website
Phone: Phone available for logged-in usersSource: company website
Terhi HakolaMyyntipäällikkö
Email: Email available for logged-in usersSource: company website
Phone: Phone available for logged-in usersSource: company website
Jarmo KoskiVientipäällikkö
Email: Email available for logged-in usersSource: company website
Phone: Phone available for logged-in usersSource: company website
Risto RauhalaTuotantopäällikkö
Email: Email available for logged-in usersSource: company website
Phone: Phone available for logged-in usersSource: company website
Tanja SuokasMyyntisihteeri
Email: Email available for logged-in usersSource: company website
Phone: Phone available for logged-in usersSource: company website
Direct contact details available for logged-in usersSome person-level contact details are shown only to registered users. The data is based on public sources, such as the company's own website.Log in to view decision-maker contact details
About Semko Oy
Financial position and key figures for the company.
Semko Oy's location municipality is Seinäjoki. It is a limited company. The company was established on 1995-01-25. It operates in the industry of manufacture of metal structures and parts of structures. In its latest retained statement for 2025-12-31, revenue was €7,398,690 and operating profit was €479,559. The latest retained financial statement for 2025-12-31 shows revenue of €7,398,690 and profit for the financial year of €359,565. Based on the latest retained statement, revenue growth was +21.2%, operating margin was +6.5%, and equity ratio was +51.9%.
Extended business activity
A longer directory- or registry-backed activity description that complements the short registry industry label.
Yhtiön toimialana on elementtiteollisuuden tartuntojen, rakennusaineteollisuuden koneiden ja laitteiden sekä metallirakenteiden valmistus, asennus, välitys, myynti ja kauppa. Yhtiö voi omistaa kiinteää omaisuutta ja osuuksia muissa yhtiöissä sekä harjoittaa liiketoimintaa tytär- ja osakkuusyhtiöittensä kautta.
Financial highlights
Key figures from the latest financial period.
Latest financial period
2025-12-31
0
0
Enriched source observation
Derived indicators
Revenue growth21.2%
Operating margin6.5%
Equity ratio51.9%
Revenue€7,398,690+€1,292,993 (+21.2%) vs previous periodPrevious: €6,105,697
Operating profit (loss)€479,559+€393,522 (+457.4%) vs previous periodPrevious: €86,036
Profit (loss) for the financial year€359,565+€289,821 (+415.5%) vs previous periodPrevious: €69,744
Assets€3,754,704+€280,413 (+8.1%) vs previous periodPrevious: €3,474,291
Balance-sheet contextLatest financial period
Profit before taxes€451,577Previous: €86,718
Employees31Previous: 28
Revenue trend4 periods
€10,161,251
2022-12-31
€7,012,365
2023-12-31
€6,105,697
2024-12-31
€7,398,690
2025-12-31
Operating profit (loss) trend4 periods
€1,304,892
2022-12-31
€1,304,892
2023-12-31
€86,036
2024-12-31
€479,559
2025-12-31
Profit (loss) for the financial year trend4 periods
€1,003,360
2022-12-31
€57,906
2023-12-31
€69,744
2024-12-31
€359,565
2025-12-31
Assets trend4 periods
€4,415,401
2022-12-31
€4,000,392
2023-12-31
€3,474,291
2024-12-31
€3,754,704
2025-12-31
Financial ratios
Financial ratios based on financial statement data. Source: Rikastettu lähdehavainto.
Equity ratioGood
65/100 · Declining
Current ratioNot assessable
0/100 · Trend unavailable
Operating profit marginSatisfactory
66/100 · Improving
Ratio history
| Ratio | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|
| Equity ratio | 52.7 % | 56.8 % | 57.3 % | 51.9 % |
| Current ratio | - | - | - | - |
| Operating profit margin | 12.8 % | 18.6 % | 1.4 % | 6.5 % |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID0989910-4
VAT IDFI09899104
EU IDFIFPRO.0989910-4
MunicipalitySeinäjoki
Current registered entries
1995-01-01Registered in Tax Administration (Employer Register)
1995-01-01VAT-liable for business activity in Tax Administration (VAT Register)
1995-01-04Registered in Tax Administration (Tax Administration)
1995-01-25Registered in Patent and Registration Office (Trade Register)
1995-03-01Registered in Tax Administration (Prepayment Register)
Responsible people
Public role relationships materialized from source observations.
Direct contact details available for logged-in users.
Yliselä Mikko AnteroToimitusjohtajaSources: 5 · Confidence: 78%
Koivunen Petri KaleviPuheenjohtajaSources: 5 · Confidence: 78%
Yliselä Mikko AnteroVarsinainen jäsenSources: 3 · Confidence: 78%
Saarinen Sami-PetriVarsinainen jäsenSources: 4 · Confidence: 78%
Mikko-Petri SillanpääTilintarkastajaSources: 1 · Confidence: 76%
Risk certificate
An open-data based company stability and risk signal.
BUSINESS.fi
BUSINESS.fi Luottoluokitus
Profile-specific risk signal based on open data
Automatic gradeNot a credit decision
A3
GoodSemko Oy
73/100
Medium
Strong financial evidenceFinancial data included
Financial development has been volatile across multiple domains.
4 comparable periodsRevenueVolatile
ProfitabilityVolatile
LiquidityNot enough history
National Tier 1 comparisonDescriptive comparison – does not change the model score.
190 peersSolvency37%
Below 63% of peers
Profitability65%
Better than 65% of peers
Revenue growth84%
Better than 84% of peers
Supporting factors
- Strong equity ratio
- Active registered status
- A newer financial statement filing has been reported
Risk factors to note
- Material volatility across multiple financial domains
- Elevated industry distress context
A3
2026-10-12
open-risk-grade-v0.14
The grade can use open digital financial statement data together with registry signals.
Risk context
When sufficient source-backed financial metrics are not available for a Tier 1 assessment, BUSINESS.fi shows registry, industry, and regional context.
Industry riskhigh
31/100
Industry context is high based on normalized open statistical inputs.
Age and continuityVakiintunut
90/100
The company has about 31 years of registry continuity.
Registry and status signalsVakaa
83/100
Registry history, filing recency, and active register markings are still limited or mixed.
Events & news
Verified events and sourced external company news in one timeline.
Registry timeline
Trade register notifications shown on a timeline.
21 register eventsLatest event: 2026-04-24
Profile source and ownership
Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2026-03-11.
This company profile has not been claimed yet
Semko Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.