Risk grade updatedRisk gradeEvidence verified
15 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B3.Business profile
Kulmax Oy
Kulmax Oy's registered office is Lieto. It is a limited company. The company was established on 2017-07-27. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2025-12-31, revenue was €152,334 and operating profit was -€28,492.
Business ID 2843017-6ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 2843017-6
- Sector
- Construction of residential and non-residential buildings
- Municipality
- Lieto
- Company form
- Limited company
- Registration date
- 2017-07-27
- Business ID registration date
- 2017-07-04
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Tuulissuontie 20, 21420, Lieto
Phone: +358452769930Source observation
Email: [email protected]Source observation
Website: https://kulmax.fiSource observation
Instagram profile: https://www.instagram.com/kulmaxoySource: company website
Facebook profile: https://www.facebook.com/profile.php?id=61565602771928Source: company website
People and decision-makers
Timo HeinonenToimitusjohtaja
About Kulmax Oy
Financial position and key figures for the company.
Kulmax Oy's location municipality is Lieto. It is a limited company. The company was established on 2017-07-27. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2025-12-31, revenue was €152,334 and operating profit was -€28,492. The latest retained financial statement for 2025-12-31 shows revenue of €152,334 and profit for the financial year of -€30,889. Based on the latest retained statement, revenue growth was +190.8%, operating margin was -18.7%, and equity ratio was -416.2%.
Auxiliary business names
Public alternate names materialized from source observations.
Laattakulma
Financial highlights
Key figures from the latest financial period.
Latest financial period
2025-12-31
2
2
Combined source
Derived indicators
Revenue growth190.8%
Operating margin-18.7%
Equity ratio-416.2%
Balance-sheet contextLatest financial period
Cash and bank€3,674Previous: €104
Retained earnings-€2,050Previous: -€325
Equity-€30,439Previous: €450
Liabilities€37,753Previous: €31,078
Current assets€3,817Previous: €26,866
Current liabilities€37,753Previous: €31,078
Revenue trend6 periods
€14,542
2018-12-31
€4,980
2019-12-31
€1,226
2020-12-31
€0
2023-12-31
€52,388
2024-12-31
€152,334
2025-12-31
Operating profit (loss) trend6 periods
-€2,298
2018-12-31
€524
2019-12-31
€316
2020-12-31
€24
2023-12-31
€573
2024-12-31
-€28,492
2025-12-31
Profit (loss) for the financial year trend6 periods
-€2,326
2018-12-31
€521
2019-12-31
€252
2020-12-31
€23
2023-12-31
-€1,725
2024-12-31
-€30,889
2025-12-31
Assets trend5 periods
€601
2019-12-31
€917
2020-12-31
€2,175
2023-12-31
€31,527
2024-12-31
€7,313
2025-12-31
Financial ratios
Financial ratios based on financial statement data. Source: Yhdistetty lähde.
Equity ratioWeak
0/100 · Declining
Current ratioWeak
3/100 · Improving
Operating profit marginWeak
3/100 · Declining
Ratio history
| Ratio | 2018-12-31 | 2019-12-31 | 2020-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|---|---|
| Equity ratio | - | 100.0 % | 93.1 % | - | 1.4 % | -416.2 % |
| Current ratio | - | - | - | - | 0.00x | 0.10x |
| Operating profit margin | -15.8 % | 10.5 % | 25.8 % | - | 1.1 % | -18.7 % |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID2843017-6
VAT IDFI28430176
EU IDFIFPRO.2843017-6
MunicipalityLieto
Current registered entries
2017-07-04Registered in Tax Administration (Prepayment Register)
2017-07-27Registered in Patent and Registration Office (Trade Register)
2017-07-28Registered in Tax Administration (Tax Administration)
2024-08-23VAT-liable for business activity in Tax Administration (VAT Register)
Responsible people
Public role relationships materialized from source observations.
Timo HeinonenToimitusjohtajaSources: 1 · Confidence: 76%
Erkko Katja Elisa HanneleVarajäsenSources: 2 · Confidence: 78%
Heinonen Timo ViljamiVarsinainen jäsenSources: 3 · 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
D
High riskKulmax Oy
Grade downgradedB3 → D · new analysis 2026-10-15
19/100
High
Strong financial evidenceFinancial data included
Several key financial indicators have weakened across comparable fiscal periods.
3 comparable periodsRevenueImproving
LiquidityStable
Same industry, size and age groupDescriptive comparison – does not change the model score.
39 peersSolvency0%
Below 100% of peers
Profitability13%
Below 87% of peers
Liquidity45%
Below 55% of peers
Revenue growth92%
Better than 92% of peers
RegularBased on observed PRH financial period end and registration dates. This descriptive evidence does not change the v0.14 score.
2 observed filings203 days after period end
167 days after period end
2 consecutive periods
Supporting factors
- Active registered status
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 assessmentsD
2026-10-15 14:4719/100 · v0.14
B3 → D · -25 points- Evidence strengthened: a PRH/XBRL financial statement was added to the assessment (2025-12-31).
- Assessment confidence: Medium → High.
- Evidence quality: Usable financial evidence → Strong financial evidence.
B3
2026-09-1544/100 · v0.14
B3 → B3- Evidence quality: Registry and statistical evidence → Usable financial evidence.
B3
2026-09-1444/100 · v0.12
Oldest retained automatic assessment in this comparisonD
2026-10-15
open-risk-grade-v0.14
The grade can use open digital financial statement data together with registry signals.
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 9 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 B3.Registry timeline
Trade register notifications shown on a timeline.
16 register eventsLatest event: 2025-05-10
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
Kulmax Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.