Risk grade updatedRisk gradeEvidence verified
18 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B3.Business profile
Rengastamo Oy
Rengastamo Oy's registered office is Hämeenlinna. It is a limited company. The company was established on 2010-02-18. It operates in the industry of retail sale of other motor vehicle parts and accessories. In its latest retained statement for 2025-12-31, revenue was €32,304 and operating profit was €2,390.
Business ID 2315966-3ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 2315966-3
- Sector
- Retail sale of other motor vehicle parts and accessories
- Municipality
- Hämeenlinna
- Company form
- Limited company
- Registration date
- 2010-02-18
- Business ID registration date
- 2010-02-02
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Aurinkokatu 10 A 35, 13100, Hämeenlinna
Phone: +358405413240Source observation
Email: [email protected]Source observation
Website: https://www.rengastamo.fiSource observation
People and decision-makers
Aaltonen Sami PetteriToimitusjohtaja
About Rengastamo Oy
Financial position and key figures for the company.
Rengastamo Oy's location municipality is Hämeenlinna. It is a limited company. The company was established on 2010-02-18. It operates in the industry of retail sale of other motor vehicle parts and accessories. In its latest retained statement for 2025-12-31, revenue was €32,304 and operating profit was €2,390. The latest retained financial statement for 2025-12-31 shows revenue of €32,304 and profit for the financial year of -€855. Based on the latest retained statement, revenue growth was +5.6%, operating margin was +7.4%, and equity ratio was -3843.9%.
Financial highlights
Key figures from the latest financial period.
Latest financial period
2025-12-31
2
2
Combined source
Derived indicators
Revenue growth5.6%
Operating margin7.4%
Equity ratio-3843.9%
Balance-sheet contextLatest financial period
Cash and bank€549Previous: €1,048
Retained earnings-€64,140Previous: -€60,451
Equity-€62,044Previous: -€61,190
Liabilities€63,658Previous: €63,050
Current assets€1,061Previous: €1,123
Current liabilities€18,658Previous: €18,050
Revenue trend6 periods
€36,641
2020-12-31
€32,995
2021-12-31
€29,407
2022-12-31
€28,560
2023-12-31
€30,584
2024-12-31
€32,304
2025-12-31
Operating profit (loss) trend6 periods
-€4,602
2020-12-31
€401
2021-12-31
€1,231
2022-12-31
-€1,334
2023-12-31
-€194
2024-12-31
€2,390
2025-12-31
Profit (loss) for the financial year trend6 periods
-€4,703
2020-12-31
-€786
2021-12-31
-€210
2022-12-31
-€4,493
2023-12-31
-€3,689
2024-12-31
-€855
2025-12-31
Assets trend6 periods
€3,126
2020-12-31
€3,355
2021-12-31
€2,920
2022-12-31
€2,920
2023-12-31
€1,860
2024-12-31
€1,614
2025-12-31
Financial ratios
Financial ratios based on financial statement data. Source: Yhdistetty lähde.
Equity ratioWeak
0/100 · Declining
Current ratioWeak
1/100 · Declining
Operating profit marginSatisfactory
69/100 · Improving
Ratio history
| Ratio | 2020-12-31 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|---|---|
| Equity ratio | -1663.5 % | -1573.6 % | -1815.4 % | -4424.6 % | -3290.0 % | -3843.9 % |
| Current ratio | - | - | - | - | 0.06x | 0.03x |
| Operating profit margin | -12.6 % | 1.2 % | 4.2 % | -4.7 % | -0.6 % | 7.4 % |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID2315966-3
VAT IDFI23159663
EU IDFIFPRO.2315966-3
MunicipalityHämeenlinna
Current registered entries
2010-02-01VAT-liable for business activity in Tax Administration (VAT Register)
2010-02-18Registered in Tax Administration (Tax Administration)
2010-02-18Registered in Patent and Registration Office (Trade Register)
Responsible people
Public role relationships materialized from source observations.
Aaltonen Sami PetteriToimitusjohtajaSources: 5 · Confidence: 78%
Aaltonen Sami PetteriVarsinainen jäsenSources: 2 · Confidence: 78%
Aaltonen Ritva KaarinaVarajäsenSources: 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
MonitorRengastamo Oy
Grade unchangedB3 · new analysis 2026-10-18
47/100
High
Strong financial evidenceFinancial data included
Financial development is mostly stable or mixed.
4 comparable periodsRevenueStable
ProfitabilityImproving · 2 consecutive periods
SolvencyVolatile
LiquidityStable
Same industry, size and age groupDescriptive comparison – does not change the model score.
61 peersSolvency0%
Below 100% of peers
Profitability61%
Better than 61% of peers
Liquidity34%
Below 66% of peers
Revenue growth80%
Better than 80% of peers
MixedBased on observed PRH financial period end and registration dates. This descriptive evidence does not change the v0.14 score.
2 observed filings254 days after period end
219 days after period end
2 consecutive periods
Supporting factors
- Company context reduces the weight of an isolated financial signal
- Active registered status
- Long registry continuity
Risk factors to note
- Negative equity
- Weak current ratio
- Negative profitability or net result
Automatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
4 assessmentsB3
2026-10-1847/100 · v0.15
B3 → B3 · +3 points- Revenue: Not enough history → Stable
- Profitability: Not enough history → Improving
- Solvency: Not enough history → Volatile
B3
2026-09-1444/100 · v0.14
B3 → B3B3
2026-09-1444/100 · v0.13
B3 → B3- Evidence quality: Registry and statistical evidence → Usable financial evidence.
- New risk factor: Negative equity.
B3
2026-09-1344/100 · v0.12
Oldest retained automatic assessment in this comparisonB3
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 riskmedium
57/100
Industry context is medium based on normalized open statistical inputs.
Age and continuityVakiintunut
80/100
The company has about 16 years of registry continuity.
Registry and status signalsVakaa
76/100
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
14 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B3.Financial statement availableFinancialEvidence verified
11 Sept 2026 · PRH / XBRLFinancial period ends 2025-12-31.Registry timeline
Trade register notifications shown on a timeline.
20 register eventsLatest event: 2025-12-15
Financial statements availability
Available financial statement periods and PRH source filings.
2 financial statement periodsLatest financial period: 2025-12-31
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
Rengastamo Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.