Risk grade updatedRisk gradeEvidence verified
19 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade C.Business profile
Rakennus Ruismäki Oy
Rakennus Ruismäki Oy's registered office is Kangasala. It is a limited company. The company was established on 2020-11-02. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2025-12-31, revenue was €40,268 and operating profit was -€10,404.
Business ID 3163769-6ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 3163769-6
- Sector
- Construction of residential and non-residential buildings
- Municipality
- Kangasala
- Company form
- Limited company
- Registration date
- 2020-11-02
- Business ID registration date
- 2020-10-11
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Toukolantie 6, 36240, Kangasala
Phone: +358442821793Source observation
Email: [email protected]Source observation
People and decision-makers
Ruismäki Mikael JuhaniToimitusjohtaja
Humalamäki Sanna MariaToimitusjohtajan sijainen
About Rakennus Ruismäki Oy
Financial position and key figures for the company.
Rakennus Ruismäki Oy's location municipality is Kangasala. It is a limited company. The company was established on 2020-11-02. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2025-12-31, revenue was €40,268 and operating profit was -€10,404. The latest retained financial statement for 2025-12-31 shows revenue of €40,268 and profit for the financial year of -€10,614. Based on the latest retained statement, revenue growth was -55.6%, operating margin was -25.8%, and equity ratio was not currently available.
Financial highlights
Key figures from the latest financial period.
Latest financial period
2025-12-31
0
0
Enriched source observation
Derived indicators
Revenue growth-55.6%
Operating margin-25.8%
Revenue€40,268-€50,388 (-55.6%) vs previous periodPrevious: €90,656
Operating profit (loss)-€10,404-€45,962 (-129.3%) vs previous periodPrevious: €35,558
Profit (loss) for the financial year-€10,614-€39,120 (-137.2%) vs previous periodPrevious: €28,506
Balance-sheet contextLatest financial period
Employees1Previous: 1
Revenue trend5 periods
€76,104
2021-12-31
€31,773
2022-12-31
€62,191
2023-12-31
€90,656
2024-12-31
€40,268
2025-12-31
Operating profit (loss) trend5 periods
€12,094
2021-12-31
-€4,192
2022-12-31
€15,184
2023-12-31
€35,558
2024-12-31
-€10,404
2025-12-31
Profit (loss) for the financial year trend5 periods
€9,674
2021-12-31
-€4,249
2022-12-31
€12,118
2023-12-31
€28,506
2024-12-31
-€10,614
2025-12-31
Financial ratios
Financial ratios based on financial statement data. Source: Rikastettu lähdehavainto.
Equity ratioNot assessable
0/100 · Trend unavailable
Current ratioNot assessable
0/100 · Trend unavailable
Operating profit marginWeak
0/100 · Declining
Ratio history
| Ratio | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|---|
| Equity ratio | - | - | - | - | - |
| Current ratio | - | - | - | - | - |
| Operating profit margin | 15.9 % | -13.2 % | 24.4 % | 39.2 % | -25.8 % |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID3163769-6
VAT IDFI31637696
EU IDFIFPRO.3163769-6
MunicipalityKangasala
Current registered entries
2020-10-11VAT-liable for business activity in Tax Administration (VAT Register)
2020-10-11Registered in Tax Administration (Prepayment Register)
2020-11-02Registered in Tax Administration (Tax Administration)
2020-11-02Registered in Patent and Registration Office (Trade Register)
Responsible people
Public role relationships materialized from source observations.
Ruismäki Mikael JuhaniToimitusjohtajaSources: 5 · Confidence: 78%
Humalamäki Sanna MariaToimitusjohtajan sijainenSources: 3 · Confidence: 78%
Ruismäki Mikael JuhaniVarsinainen 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
C
Elevated riskRakennus Ruismäki Oy
Grade unchangedC · new analysis 2026-10-19
39/100
Medium
Limited financial evidenceRegistry and statistics based
Financial development is mostly stable or mixed.
4 comparable periodsRevenueVolatile
ProfitabilityVolatile
SolvencyNot enough history
LiquidityNot enough history
Supporting factors
- Company context reduces the weight of an isolated financial signal
- Active registered status
Risk factors to note
- Elevated industry distress context
- Sufficient structured financial metrics are not available
Automatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
2 assessmentsC
2026-10-1939/100 · v0.15
C → CC
2026-10-0439/100 · v0.14
Oldest retained automatic assessment in this comparisonC
2026-10-19
open-risk-grade-v0.15
The grade uses registry, industry, and regional signals because sufficient source-backed financial metrics are not available for a Tier 1 assessment.
A serious financial risk signal affects this grade. Review the profile financial indicators as well.
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
46/100
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
4 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade C.Registry timeline
Trade register notifications shown on a timeline.
4 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
Rakennus Ruismäki Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.