Risk grade updatedRisk gradeEvidence verified
17 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B3.Business profile
A. Koivumaa Bygg & Montering Oy
A. Koivumaa Bygg & Montering Oy's registered office is Rosala. It is a limited company. The company was established on 2021-06-16. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2025-12-31, revenue was €18,369 and operating profit was €4,005.
Business ID 3210565-9ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 3210565-9
- Sector
- Construction of residential and non-residential buildings
- Municipality
- Rosala
- Company form
- Limited company
- Registration date
- 2021-06-16
- Business ID registration date
- 2021-05-11
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Bölevägen 257, 25950, Rosala
Phone: +358400947902Source observation
People and decision-makers
Koivumaa Asko OlaviToimitusjohtaja
About A. Koivumaa Bygg & Montering Oy
Financial position and key figures for the company.
A. Koivumaa Bygg & Montering Oy's location municipality is Rosala. It is a limited company. The company was established on 2021-06-16. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2025-12-31, revenue was €18,369 and operating profit was €4,005. The latest retained financial statement for 2025-12-31 shows revenue of €18,369 and profit for the financial year of €1,892. Based on the latest retained statement, revenue growth was +70.6%, operating margin was +21.8%, and equity ratio was -51.3%.
Extended business activity
A longer directory- or registry-backed activity description that complements the short registry industry label.
Yhtiön toimiala on uudis- ja saneerausrakentamiseen liittyvät rakennus- ja asennustyöt, pienkonekorjaus ja kaikki muu laillinen liiketoiminta.
Financial highlights
Key figures from the latest financial period.
Latest financial period
2025-12-31
0
0
Enriched source observation
Derived indicators
Revenue growth70.6%
Operating margin21.8%
Equity ratio-51.3%
Revenue€18,369+€7,601 (+70.6%) vs previous periodPrevious: €10,768
Operating profit (loss)€4,005+€3,558 (+794.6%) vs previous periodPrevious: €448
Profit (loss) for the financial year€1,892+€3,824 (+197.9%) vs previous periodPrevious: -€1,932
Assets€24,444-€7,518 (-23.5%) vs previous periodPrevious: €31,962
Balance-sheet contextLatest financial period
Profit before taxes€1,892Previous: -€1,932
Employees12Previous: No comparison value
Revenue trend5 periods
€5,951
2021-12-31
€6,700
2022-12-31
€14,090
2023-12-31
€10,768
2024-12-31
€18,369
2025-12-31
Operating profit (loss) trend5 periods
-€4,257
2021-12-31
-€2,106
2022-12-31
-€65
2023-12-31
€448
2024-12-31
€4,005
2025-12-31
Profit (loss) for the financial year trend5 periods
-€5,308
2021-12-31
-€3,382
2022-12-31
-€3,796
2023-12-31
-€1,932
2024-12-31
€1,892
2025-12-31
Assets trend5 periods
€33,189
2021-12-31
€32,846
2022-12-31
€32,253
2023-12-31
€31,962
2024-12-31
€24,444
2025-12-31
Financial ratios
Financial ratios based on financial statement data. Source: Rikastettu lähdehavainto.
Equity ratioWeak
0/100 · Declining
Current ratioNot assessable
0/100 · Trend unavailable
Operating profit marginGood
100/100 · Improving
Ratio history
| Ratio | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|---|
| Equity ratio | -16.0 % | -26.5 % | -38.7 % | -45.1 % | -51.3 % |
| Current ratio | - | - | - | - | - |
| Operating profit margin | -71.5 % | -31.4 % | -0.4 % | 4.0 % | 21.8 % |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID3210565-9
VAT IDFI32105659
EU IDFIFPRO.3210565-9
MunicipalityRosala
Current registered entries
2021-05-01VAT-liable for business activity in Tax Administration (VAT Register)
2021-06-16Registered in Patent and Registration Office (Trade Register)
2021-06-17Registered in Tax Administration (Tax Administration)
Responsible people
Public role relationships materialized from source observations.
Koivumaa Asko OlaviToimitusjohtajaSources: 5 · Confidence: 78%
Renlund-Koivumaa Rut Dotty JensineVarajäsenSources: 2 · Confidence: 78%
Koivumaa Asko OlaviVarsinainen jäsenSources: 2 · 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
B3
MonitorA. Koivumaa Bygg & Montering Oy
Grade unchangedB3 · new analysis 2026-10-17
49/100
Medium
Usable financial evidenceFinancial data included
Financial development is mostly stable or mixed.
4 comparable periodsRevenueVolatile
ProfitabilityImproving · 3 consecutive periods
LiquidityNot enough history
Same industry, size and age groupDescriptive comparison – does not change the model score.
42 peersSolvency10%
Below 90% of peers
Profitability95%
Better than 95% of peers
Revenue growth93%
Better than 93% of peers
Supporting factors
- Strong operating profitability
- Company context reduces the weight of an isolated financial signal
- Active registered status
Risk factors to note
- Negative equity
- Elevated industry distress context
Automatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
2 assessmentsB3
2026-10-1749/100 · v0.15
B3 → B3- Risk factor cleared: High balance-sheet leverage.
B3
2026-10-0849/100 · v0.14
Oldest retained automatic assessment in this comparisonB3
2026-10-17
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 5 years of registry continuity.
Registry and status signalsRajallinen
43/100
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
8 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B3.Registry timeline
Trade register notifications shown on a timeline.
6 register eventsLatest event: 2025-05-21
Profile source and ownership
Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2025-12-31.
This company profile has not been claimed yet
A. Koivumaa Bygg & Montering Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.