Risk grade updatedRisk gradeEvidence verified
18 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade A3.Business profile
Rakennus Kortelainen oy
Rakennus Kortelainen oy's registered office is Rajamäki. It is a limited company. The company was established on 2017-12-13. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2026-05-31, revenue was €94,881 and operating profit was €13,752.
Business ID 2874417-5ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 2874417-5
- Sector
- Construction of residential and non-residential buildings
- Municipality
- Rajamäki
- Company form
- Limited company
- Registration date
- 2017-12-13
- Business ID registration date
- 2017-12-08
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: kahitie 23, 05200, Rajamäki
Phone: +358400778686Source observation
Website: https://rakennuskortelainen.fiSource observation
People and decision-makers
Kortelainen Seppo AnteroToimitusjohtaja
About Rakennus Kortelainen oy
Financial position and key figures for the company.
Rakennus Kortelainen oy's location municipality is Rajamäki. It is a limited company. The company was established on 2017-12-13. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2026-05-31, revenue was €94,881 and operating profit was €13,752. The latest retained financial statement for 2026-05-31 shows revenue of €94,881 and profit for the financial year of €10,427. Based on the latest retained statement, revenue growth was +1.7%, operating margin was +14.5%, and equity ratio was +95.2%.
Auxiliary business names
Public alternate names materialized from source observations.
KSA mittaustekniikkaPB Lure Factory
Financial highlights
Key figures from the latest financial period.
Latest financial period
2026-05-31
0
0
Enriched source observation
Derived indicators
Revenue growth1.7%
Operating margin14.5%
Equity ratio95.2%
Revenue€94,881+€1,598 (+1.7%) vs previous periodPrevious: €93,283
Operating profit (loss)€13,752+€3,252 (+31.0%) vs previous periodPrevious: €10,500
Profit (loss) for the financial year€10,427+€2,539 (+32.2%) vs previous periodPrevious: €7,888
Assets€48,337-€1,486 (-3.0%) vs previous periodPrevious: €49,823
Balance-sheet contextLatest financial period
Profit before taxes€13,092Previous: No comparison value
Employees1Previous: 1
Revenue trend6 periods
€109,000
2021-12-31
€109,124
2022-05-31
€105,230
2023-05-31
€123,752
2024-05-31
€93,283
2025-05-31
€94,881
2026-05-31
Operating profit (loss) trend6 periods
-€5,000
2021-12-31
-€5,448
2022-05-31
-€6
2023-05-31
€20,528
2024-05-31
€10,500
2025-05-31
€13,752
2026-05-31
Profit (loss) for the financial year trend6 periods
-€5,000
2021-12-31
-€5,476
2022-05-31
-€10
2023-05-31
€16,711
2024-05-31
€7,888
2025-05-31
€10,427
2026-05-31
Assets trend6 periods
€54,000
2021-12-31
€53,402
2022-05-31
€42,638
2023-05-31
€56,847
2024-05-31
€49,823
2025-05-31
€48,337
2026-05-31
Financial ratios
Financial ratios based on financial statement data. Source: Rikastettu lähdehavainto.
Equity ratioGood
100/100 · Declining
Current ratioNot assessable
0/100 · Trend unavailable
Operating profit marginGood
86/100 · Declining
Ratio history
| Ratio | 2021-12-31 | 2022-05-31 | 2023-05-31 | 2024-05-31 | 2025-05-31 | 2026-05-31 |
|---|---|---|---|---|---|---|
| Equity ratio | 38.9 % | 44.2 % | 58.6 % | 78.0 % | 95.8 % | 95.2 % |
| Current ratio | 2.00x | 1.56x | 0.87x | 1.22x | 7.50x | - |
| Operating profit margin | -4.6 % | 0.0 % | 16.9 % | 11.8 % | 14.7 % | 14.5 % |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID2874417-5
VAT IDFI28744175
EU IDFIFPRO.2874417-5
MunicipalityRajamäki
Current registered entries
2017-12-13Registered in Tax Administration (Tax Administration)
2017-12-13Registered in Patent and Registration Office (Trade Register)
2018-01-01Registered in Tax Administration (Employer Register)
2018-01-01VAT-liable for business activity in Tax Administration (VAT Register)
2018-01-01Registered in Tax Administration (Prepayment Register)
Responsible people
Public role relationships materialized from source observations.
Kortelainen Seppo AnteroToimitusjohtajaSources: 3 · Confidence: 78%
Kortelainen Timo TapioVarajäsenSources: 2 · Confidence: 78%
Kortelainen Seppo AnteroVarsinainen jäsenSources: 1 · Confidence: 78%
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
GoodRakennus Kortelainen oy
Grade upgradedB2 → A3 · new analysis 2026-10-18
71/100
Medium
Usable financial evidenceFinancial data included
Financial development is mostly stable or mixed.
4 comparable periodsProfitabilityImproving
SolvencyImproving
LiquidityNot enough history
Same industry, size and age groupDescriptive comparison – does not change the model score.
227 peersSolvency83%
Better than 83% of peers
Profitability77%
Better than 77% of peers
Revenue growth74%
Better than 74% of peers
Supporting factors
- Strong equity ratio
- Strong operating profitability
- Company context reduces the weight of an isolated financial signal
Risk factors to note
- Elevated industry distress context
Automatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
2 assessmentsA3
2026-10-1871/100 · v0.15
B2 → A3 · +19 points- Revenue: Not enough history → Deteriorating
- Profitability: Not enough history → Improving
- Solvency: Not enough history → Improving
B2
2026-10-1352/100 · v0.14
Oldest retained automatic assessment in this comparisonA3
2026-10-18
open-risk-grade-v0.15
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
25/100
Industry context is high based on normalized open statistical inputs.
Age and continuityHyvä
60/100
The company has about 8 years of registry continuity.
Registry and status signalsSeurattava
71/100
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.
Risk grade updatedRisk gradeEvidence verified
13 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B2.Registry timeline
Trade register notifications shown on a timeline.
12 register eventsLatest event: 2025-10-22
Profile source and ownership
Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2026-04-03.
This company profile has not been claimed yet
Rakennus Kortelainen oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.