Risk grade updatedRisk gradeEvidence verified
15 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.Business profile
Tammer Line Oy
Tammer Line Oy's registered office is Pori. It is a limited company. The company was established on 2002-12-11. It operates in the industry of retail sale of bread, cake and confectionery.
Business ID 1796553-8ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 1796553-8
- Sector
- Retail sale of bread, cake and confectionery
- Municipality
- Pori
- Company form
- Limited company
- Registration date
- 2002-12-11
- Business ID registration date
- 2002-11-22
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Kärsämöntie 12, 28660, Pori
Phone: +358443254273Source observation
Website: https://www.tammerline.fiSource observation
People and decision-makers
Virtanen Tatu JukkaToimitusjohtaja
About Tammer Line Oy
Financial position and key figures for the company.
Tammer Line Oy's location municipality is Pori. It is a limited company. The company was established on 2002-12-11. It operates in the industry of retail sale of bread, cake and confectionery. Based on the latest retained statement, revenue growth was not currently available, operating margin was not currently available, and equity ratio was +100.0%.
Auxiliary business names
Public alternate names materialized from source observations.
Pieni Suklaapuoti MKWanha Kaidesaari
Financial highlights
Key figures from the latest financial period.
Latest financial period
2025-05-31
0
0
Enriched source observation
Derived indicators
Equity ratio100.0%
Operating profit (loss)-€31-€1 (-1.9%) vs previous periodPrevious: -€30
Profit (loss) for the financial year€89+€119 (+396.7%) vs previous periodPrevious: -€30
Assets€1,165+€89 (+8.3%) vs previous periodPrevious: €1,076
Balance-sheet contextLatest financial period
Operating profit (loss) trend5 periods
-€12
2021-05-31
-€25
2022-05-31
-€30
2023-05-31
-€30
2024-05-31
-€31
2025-05-31
Profit (loss) for the financial year trend5 periods
-€12
2021-05-31
€244
2022-05-31
€109
2023-05-31
-€30
2024-05-31
€89
2025-05-31
Assets trend5 periods
€751
2021-05-31
€996
2022-05-31
€1,106
2023-05-31
€1,076
2024-05-31
€1,165
2025-05-31
Financial ratios
Financial ratios based on financial statement data. Source: Rikastettu lähdehavainto.
Equity ratioGood
100/100 · Stable
Current ratioNot assessable
0/100 · Trend unavailable
Operating profit marginNot assessable
0/100 · Trend unavailable
Ratio history
| Ratio | 2021-05-31 | 2022-05-31 | 2023-05-31 | 2024-05-31 | 2025-05-31 |
|---|---|---|---|---|---|
| Equity ratio | 100.0 % | 100.0 % | 100.0 % | 100.0 % | 100.0 % |
| Current ratio | - | - | - | - | - |
| Operating profit margin | - | - | - | - | - |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID1796553-8
EU IDFIFPRO.1796553-8
MunicipalityPori
Current registered entries
2002-12-11Registered in Patent and Registration Office (Trade Register)
2002-12-19Registered in Tax Administration (Tax Administration)
Responsible people
Public role relationships materialized from source observations.
Virtanen Tatu JukkaToimitusjohtajaSources: 3 · Confidence: 78%
Virtanen Mari JohannaVarajäsenSources: 2 · Confidence: 78%
Virtanen Tatu JukkaVarsinainen jäsenSources: 1 · Confidence: 72%
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
B2
SatisfactoryTammer Line Oy
Grade downgradedB1 → B2 · new analysis 2026-10-18
54/100
Medium
Limited financial evidenceRegistry and statistics based
Financial development is mostly stable or mixed.
4 comparable periodsRevenueNot enough history
ProfitabilityNot enough history
SolvencyStable
LiquidityNot enough history
Supporting factors
- Active registered status
- A newer financial statement filing has been reported
- Long registry continuity
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.
3 assessmentsB2
2026-10-1854/100 · v0.15
B1 → B2 · -12 points- Assessment confidence: Low → Medium.
- Evidence quality: Usable financial evidence → Limited financial evidence.
- New risk factor: Sufficient structured financial metrics are not available.
B1
2026-09-1566/100 · v0.14
B1 → B1- Solvency: Stable
- Evidence quality: Registry and statistical evidence → Usable financial evidence.
B1
2026-09-1466/100 · v0.12
Oldest retained automatic assessment in this comparisonB2
2026-10-18
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.
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
24/100
Industry context is high based on normalized open statistical inputs.
Age and continuityVakiintunut
80/100
The company has about 23 years of registry continuity.
Registry and status signalsSeurattava
66/100
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 B1.Registry timeline
Trade register notifications shown on a timeline.
12 register eventsLatest event: 2025-10-11
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
Tammer Line Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.