Risk grade updatedRisk gradeEvidence verified
17 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade A3.Business profile
Rakennustoimisto Aulis Tamminen Oy
Rakennustoimisto Aulis Tamminen Oy's registered office is Lieto. It is a limited company. The company was established on 1980-05-02. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2025-12-31, revenue was €0 and operating profit was -€7,798.
Business ID 0356882-2ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 0356882-2
- Sector
- Construction of residential and non-residential buildings
- Municipality
- Lieto
- Company form
- Limited company
- Registration date
- 1980-05-02
- Business ID registration date
- 1980-06-17
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Impivaarankuja 25, 21420, Lieto
About Rakennustoimisto Aulis Tamminen Oy
Financial position and key figures for the company.
Rakennustoimisto Aulis Tamminen Oy's location municipality is Lieto. It is a limited company. The company was established on 1980-05-02. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2025-12-31, revenue was €0 and operating profit was -€7,798. The latest retained financial statement for 2025-12-31 shows revenue of €0 and profit for the financial year of -€6,932. Based on the latest retained statement, revenue growth was -100.0%, operating margin was not currently available, and equity ratio was +98.7%.
Financial highlights
Key figures from the latest financial period.
Latest financial period
2025-12-31
1
1
PRH/XBRL financial statement
Derived indicators
Revenue growth-100.0%
Equity ratio98.7%
Balance-sheet contextLatest financial period
Other operating income€0Previous: €264,866
Cash and bank€286,809Previous: €355,717
Retained earnings€368,131Previous: €230,590
Equity€369,199Previous: €441,471
Liabilities€4,753Previous: €1,436
Current assets€315,792Previous: €384,747
Current liabilities€4,747Previous: €1,436
Financial ratios
Financial ratios based on financial statement data. Source: PRH/XBRL-tilinpäätös.
Equity ratioGood
100/100 · Declining
Current ratioGood
100/100 · Declining
Operating profit marginNot assessable
0/100 · Trend unavailable
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID0356882-2
VAT IDFI03568822
EU IDFIFPRO.0356882-2
MunicipalityLieto
Current registered entries
1980-05-02Registered in Patent and Registration Office (Trade Register)
1980-06-17Registered in Tax Administration (Tax Administration)
1994-06-01VAT-liable for business activity in Tax Administration (VAT Register)
1995-03-01Registered in Tax Administration (Prepayment Register)
1997-02-11VAT-obliged for the transfer of rights to use immovable property in Tax Administration (VAT Register)
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
A3
GoodRakennustoimisto Aulis Tamminen Oy
Grade unchangedA3 · new analysis 2026-10-17
72/100
Medium
Usable financial evidenceFinancial data included
Same industry, size and age groupDescriptive comparison – does not change the model score.
51 peersSolvency98%
Better than 98% of peers
Liquidity100%
Better than 100% of peers
Limited evidenceBased on observed PRH financial period end and registration dates. This descriptive evidence does not change the v0.14 score.
1 observed filings134 days after period end
134 days after period end
1 consecutive periods
Supporting factors
- Strong equity ratio
- Healthy short-term liquidity
- Company context reduces the weight of an isolated financial signal
Risk factors to note
- Negative profitability or net result
- Elevated industry distress context
Automatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
5 assessmentsA3
2026-10-1772/100 · v0.15
A3 → A3A3
2026-09-18 07:0772/100 · v0.14
B1 → A3 · +12 points- Evidence strengthened: a PRH/XBRL financial statement was added to the assessment (2025-12-31).
- Evidence quality: Registry and statistical evidence → Usable financial evidence.
B1
2026-09-1460/100 · v0.14
B1 → B1B1
2026-09-1460/100 · v0.13
Oldest retained automatic assessment in this comparisonA3
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 continuityVakiintunut
90/100
The company has about 46 years of registry continuity.
Registry and status signalsVakaa
81/100
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
18 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1 → A3.Risk grade updatedRisk gradeEvidence verified
14 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.Registry timeline
Trade register notifications shown on a timeline.
24 register eventsLatest event: 2026-05-14
Financial statements availability
Available financial statement periods and PRH source filings.
1 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 2026-03-24.
This company profile has not been claimed yet
Rakennustoimisto Aulis Tamminen Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.