Risk grade updatedRisk gradeEvidence verified
18 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade A3.Business profile
Insinööritoimisto Hirsinummi Oy
Insinööritoimisto Hirsinummi Oy's registered office is Turku. It is a limited company. The company was established on 1983-04-28. It operates in the industry of structural engineering design and technical consultancy. In its latest retained statement for 2026-02-28, revenue was €29,363 and operating profit was -€10,023.
Business ID 0536117-1ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 0536117-1
- Sector
- Structural engineering design and technical consultancy
- Municipality
- Turku
- Company form
- Limited company
- Registration date
- 1983-04-28
- Business ID registration date
- 1984-01-12
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: YLIOPISTONKATU 33, 20100, Turku
About Insinööritoimisto Hirsinummi Oy
Financial position and key figures for the company.
Insinööritoimisto Hirsinummi Oy's location municipality is Turku. It is a limited company. The company was established on 1983-04-28. It operates in the industry of structural engineering design and technical consultancy. In its latest retained statement for 2026-02-28, revenue was €29,363 and operating profit was -€10,023. The latest retained financial statement for 2026-02-28 shows revenue of €29,363 and profit for the financial year of €22,343. Based on the latest retained statement, revenue growth was -43.6%, operating margin was -34.1%, and equity ratio was +99.7%.
Financial highlights
Key figures from the latest financial period.
Latest financial period
2026-02-28
4
1
PRH/XBRL financial statement
Derived indicators
Revenue growth-43.6%
Operating margin-34.1%
Equity ratio99.7%
Balance-sheet contextLatest financial period
Other operating income€105Previous: €2,185
Cash and bank€127,090Previous: €219,203
Retained earnings€979,686Previous: €1,027,711
Equity€1,011,029Previous: €1,080,086
Liabilities€3,423Previous: €5,106
Current assets€979,239Previous: €1,057,548
Current liabilities€3,423Previous: €5,106
Financial ratios
Financial ratios based on financial statement data. Source: PRH/XBRL-tilinpäätös.
Equity ratioGood
100/100 · Improving
Current ratioGood
100/100 · Declining
Operating profit marginWeak
0/100 · Declining
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID0536117-1
VAT IDFI05361171
EU IDFIFPRO.0536117-1
MunicipalityTurku
Current registered entries
1983-04-28Registered in Patent and Registration Office (Trade Register)
1984-01-01Registered in Tax Administration (Employer Register)
1984-01-12Registered 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)
2013-05-03VAT-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
GoodInsinööritoimisto Hirsinummi Oy
Grade unchangedA3 · new analysis 2026-10-18
70/100
Medium
Usable financial evidenceFinancial data included
Same industry, size and age groupDescriptive comparison – does not change the model score.
76 peersSolvency88%
Better than 88% of peers
Profitability20%
Below 80% of peers
Liquidity92%
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.
4 observed filings111 days after period end
121 days after period end
4 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
Automatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
5 assessmentsA3
2026-10-1870/100 · v0.15
A3 → A3A3
2026-09-27 23:2170/100 · v0.14
A3 → A3- Evidence strengthened: a PRH/XBRL financial statement was added to the assessment (2026-02-28).
- Evidence quality: Registry and statistical evidence → Usable financial evidence.
A3
2026-09-1570/100 · v0.14
B1 → A3 · +8 points- Assessment confidence: Low → Medium.
- Evidence quality: Registry and statistical evidence → Registry and statistical evidence.
- New risk factor: Sufficient structured financial metrics are not available.
B1
2026-09-1462/100 · v0.12
Oldest retained automatic assessment in this comparisonA3
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
62/100
Industry context is medium based on normalized open statistical inputs.
Age and continuityVakiintunut
90/100
The company has about 43 years of registry continuity.
Registry and status signalsVakaa
84/100
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
15 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade A3.Risk grade updatedRisk gradeEvidence verified
14 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.Registry timeline
Trade register notifications shown on a timeline.
18 register eventsLatest event: 2026-06-19
Financial statements availability
Available financial statement periods and PRH source filings.
4 financial statement periodsLatest financial period: 2026-02-28
Profile source and ownership
Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2026-01-05.
This company profile has not been claimed yet
Insinööritoimisto Hirsinummi Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.