Business profile

Insinööritoimisto I. Sirén, Kommandiittiyhtiö

Insinööritoimisto I. Sirén, Kommandiittiyhtiö's registered office is Oulu. It is a limited partnership. The company was established on 1982-01-21. It operates in the industry of other engineering design and technical consultancy incidental to building construction.

Claim profileContact details
Business ID 0400045-4ValidUnclaimed company profile

Trusted core data

Public company details from the trade register.

Business ID
0400045-4
Sector
Other engineering design and technical consultancy incidental to building construction
Municipality
Oulu
Company form
Limited partnership
Registration date
1982-01-21
Business ID registration date
1988-04-26
Business status
Valid
Profile ownership
Unclaimed company profile

Contact and location summary

Visiting address: TERVASTIE 1, 90650, Oulu

People and decision-makers

Terhi SirénYhtiömies
Ilkka SirénYhtiömies
Aleksi SirénÄänetön yhtiömies

About Insinööritoimisto I. Sirén, Kommandiittiyhtiö

Financial position and key figures for the company.

Insinööritoimisto I. Sirén, Kommandiittiyhtiö's location municipality is Oulu. It is a limited partnership. The company was established on 1982-01-21. It operates in the industry of other engineering design and technical consultancy incidental to building construction.

Extended business activity

A longer directory- or registry-backed activity description that complements the short registry industry label.

Yhtiön toimialaan kuuluvat: -talonrakennuksen suunnitteluun ja rakennesuunnitteluun sekä rakennustyön valvontaan ja rakennusten arviointeihin liittyvien tehtävien hoitaminen -isännöitsijätoimintaan liittyvien tehtävien hoitaminen -rakennusalan tuotteiden edustustehtävät -rakennusten arviointeihin ja muuhun rakennustoimintaan liittyvä valokuvaus, valokuvien valmistus sekä aineiston käsitteleminen julkaistavaan muotoon.

Registry status and identifiers

Current registry information and identifiers based on YTJ data.

YTJ statusValid
Trade RegisterRegistered
Business ID0400045-4
VAT IDFI04000454
MunicipalityOulu
Current registered entries
1982-01-21Registered in Patent and Registration Office (Trade Register)
1988-04-26Registered 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)

Responsible people

Public role relationships materialized from source observations.

Terhi SirénYhtiömiesSources: 1 · Confidence: 76%
Ilkka SirénYhtiömiesSources: 1 · Confidence: 76%
Aleksi SirénÄänetön yhtiömiesSources: 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
C
Elevated riskInsinööritoimisto I. Sirén, Kommandiittiyhtiö
Grade unchangedC · new analysis 2026-10-20
Model score39/100
Assessment confidenceMedium
Evidence qualityRegistry and statistical evidenceRegistry and statistics based
Supporting factors
  • Active registered status
  • Long registry continuity
Risk factors to note
  • Severe registry event in the last 6 months
  • Sufficient structured financial metrics are not available
Rating historyAutomatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
2 assessments
C
2026-10-2039/100 · v0.15
C → C
C
2026-09-2739/100 · v0.14
Oldest retained automatic assessment in this comparison
Automatic model gradeC
Automatic model snapshot2026-10-20
Automatic model versionopen-risk-grade-v0.15
Registry and statistics based

The grade uses registry, industry, and regional signals because sufficient source-backed financial metrics are not available for a Tier 1 assessment.

A serious registry signal affects this grade. Review the profile registry and notification details as well.

Verify 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 riskmedium
62/100

Industry context is medium based on normalized open statistical inputs.

Age and continuityVakiintunut
90/100

The company has about 44 years of registry continuity.

Registry and status signalsKoholla
20/100

A severity-mapped registry signal in the last 6 months requires attention.

Events & news

Verified events and sourced external company news in one timeline.

Risk grade updatedRisk gradeEvidence verified
20 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade C.
Risk grade updatedRisk gradeEvidence verified
27 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade C.

Registry timeline

Trade register notifications shown on a timeline.

5 register eventsLatest event: 2026-05-18

Profile source and ownership

Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2026-04-05.

This company profile has not been claimed yet

Insinööritoimisto I. Sirén, Kommandiittiyhtiö shows public core facts. A company representative can claim the profile, update public information, and access owner tools.