Risk grade updatedRisk gradeEvidence verified
14 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade A2.Business profile
Jamamini Oy
Jamamini Oy's registered office is Lahti. It is a limited company. The company was established on 1987-05-20. It operates in the industry of other financial service activities, except insurance and pension funding n.e.c.. In its latest retained statement for 2025-12-31, revenue was €1,097,734 and operating profit was €128,303.
Business ID 0675902-6ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 0675902-6
- Sector
- Other financial service activities, except insurance and pension funding n.e.c.
- Municipality
- Lahti
- Company form
- Limited company
- Registration date
- 1987-05-20
- Business ID registration date
- 1987-11-04
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Karjusaarenkatu 86, 15240, Lahti
People and decision-makers
Mattila Nina Outi MaaritToimitusjohtaja
About Jamamini Oy
Financial position and key figures for the company.
Jamamini Oy's location municipality is Lahti. It is a limited company. The company was established on 1987-05-20. It operates in the industry of other financial service activities, except insurance and pension funding n.e.c.. In its latest retained statement for 2025-12-31, revenue was €1,097,734 and operating profit was €128,303. The latest retained financial statement for 2025-12-31 shows revenue of €1,097,734 and profit for the financial year of €463,071. Based on the latest retained statement, revenue growth was -35.7%, operating margin was +11.7%, 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-35.7%
Operating margin11.7%
Revenue€1,097,734-€610,036 (-35.7%) vs previous periodPrevious: €1,707,770
Operating profit (loss)€128,303+€100,891 (+368.0%) vs previous periodPrevious: €27,413
Profit (loss) for the financial year€463,071+€81,947 (+21.5%) vs previous periodPrevious: €381,124
Balance-sheet contextLatest financial period
Employees12Previous: No comparison value
Revenue trend4 periods
€584,939
2022-12-31
€1,763,493
2023-12-31
€1,707,770
2024-12-31
€1,097,734
2025-12-31
Operating profit (loss) trend4 periods
-€110,861
2022-12-31
€2,715,003
2023-12-31
€27,413
2024-12-31
€128,303
2025-12-31
Profit (loss) for the financial year trend4 periods
€578,835
2022-12-31
€2,576,714
2023-12-31
€381,124
2024-12-31
€463,071
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 marginGood
79/100 · Improving
Ratio history
| Ratio | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|
| Equity ratio | - | - | - | - |
| Current ratio | - | - | - | - |
| Operating profit margin | -18.9 % | 61.5 % | 1.6 % | 11.7 % |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID0675902-6
EU IDFIFPRO.0675902-6
MunicipalityLahti
Current registered entries
1987-05-20Registered in Patent and Registration Office (Trade Register)
1987-11-04Registered in Tax Administration (Tax Administration)
1995-03-01Registered in Tax Administration (Prepayment Register)
Responsible people
Public role relationships materialized from source observations.
Mattila Nina Outi MaaritToimitusjohtajaSources: 5 · Confidence: 78%
Rytilahti Mikko Jarmo EelisPuheenjohtajaSources: 5 · Confidence: 78%
Mattila Nina Outi MaaritVarsinainen jäsenSources: 2 · Confidence: 78%
Rytilahti Jarmo EelisVarsinainen jäsenSources: 4 · Confidence: 78%
Rytilahti Marja-Liisa PäivikkiVarsinainen jäsenSources: 3 · Confidence: 78%
Tiina LindPäävastuullinen tilintarkastajaSources: 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
A2
Very goodJamamini Oy
80/100
Medium
Limited financial evidenceRegistry and statistics based
Financial development is mostly stable or mixed.
4 comparable periodsProfitabilityVolatile
SolvencyNot enough history
LiquidityNot enough history
Supporting factors
- Company context reduces the weight of an isolated financial signal
- Active registered status
- Long registry continuity
Risk factors to note
- Sufficient structured financial metrics are not available
A2
2026-10-14
open-risk-grade-v0.14
The grade uses registry, industry, and regional signals because sufficient source-backed financial metrics are not available for a Tier 1 assessment.
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 riskvery low
89/100
Industry context is very low based on normalized open statistical inputs.
Age and continuityVakiintunut
90/100
The company has about 39 years of registry continuity.
Registry and status signalsVakaa
78/100
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.
20 register eventsLatest event: 2026-07-28
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
Jamamini Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.