Business profile

Sirenius Oy

Sirenius Oy's registered office is Jokikunta. It is a limited company. The company was established on 1995-03-29. It operates in the industry of civil engineering design and technical consultancy.

Claim profileContact details
Business ID 1000369-4ValidUnclaimed company profile

Trusted core data

Public company details from the trade register.

Business ID
1000369-4
Sector
Civil engineering design and technical consultancy
Municipality
Jokikunta
Company form
Limited company
Registration date
1995-03-29
Business ID registration date
1995-03-30
Business status
Valid
Profile ownership
Unclaimed company profile

Contact and location summary

Visiting address: Härtsiläntie 91 B, 03430, Jokikunta

Phone: +358443041627Source observation

Website: https://www.kahari.fiSource observation

People and decision-makers

Sirenius Marko PenttiVarsinainen jäsen
Sirenius Elias AleksanteriVarajäsen

About Sirenius Oy

Financial position and key figures for the company.

Sirenius Oy's location municipality is Jokikunta. It is a limited company. The company was established on 1995-03-29. It operates in the industry of civil engineering design and technical consultancy. The latest retained financial statement for 2026-03-31 shows revenue of €24,798 and profit for the financial year of -€191. Based on the latest retained statement, revenue growth was not currently available, operating margin was not currently available, and equity ratio was +99.6%.

Financial highlights

Key figures from the latest financial period.

Latest financial period

2026-03-31

Imported periods0
PRH parsed0
Profile sourceEnriched source observation
Derived indicators
Equity ratio99.6%
Revenue€24,798Previous comparison not availablePrevious: No comparison value
Profit (loss) for the financial year-€191-€4,344 (-104.6%) vs previous periodPrevious: €4,153
Assets€17,707-€2,758 (-13.5%) vs previous periodPrevious: €20,465
Balance-sheet contextLatest financial period
Employees1Previous: 1
Revenue trend4 periods
€25,554
2022-03-31
€40,025
2023-03-31
€20,279
2024-03-31
€24,798
2026-03-31
Operating profit (loss) trend4 periods
€7,792
2022-03-31
€10,572
2023-03-31
€4,596
2024-03-31
€5,083
2025-03-31
Profit (loss) for the financial year trend5 periods
€7,792
2022-03-31
€10,572
2023-03-31
€4,446
2024-03-31
€4,153
2025-03-31
-€191
2026-03-31
Assets trend4 periods
€16,889
2022-03-31
€18,776
2024-03-31
€20,465
2025-03-31
€17,707
2026-03-31

Financial ratios

Financial ratios based on financial statement data. Source: Rikastettu lähdehavainto.

Equity ratioGood
100/100 · Improving
99.6 %2025-03-31: 2.2 %
Current ratioNot assessable
0/100 · Trend unavailable
Not available2025-03-31: Ei saatavilla
Operating profit marginNot assessable
0/100 · Trend unavailable
Not available2024-03-31: 22.7 %
Ratio history
Ratio2022-03-312023-03-312024-03-312025-03-312026-03-31
Equity ratio96.3 %91.9 %88.2 %2.2 %99.6 %
Current ratio-----
Operating profit margin29.1 %25.6 %22.7 %--

Registry status and identifiers

Current registry information and identifiers based on YTJ data.

YTJ statusValid
Trade RegisterRegistered
Business ID1000369-4
VAT IDFI10003694
EU IDFIFPRO.1000369-4
MunicipalityJokikunta
Current registered entries
1995-03-29Registered in Patent and Registration Office (Trade Register)
1995-03-30Registered in Tax Administration (Tax Administration)
2006-10-01VAT-liable for business activity in Tax Administration (VAT Register)
2006-10-11Registered in Tax Administration (Prepayment Register)

Responsible people

Public role relationships materialized from source observations.

Sirenius Marko PenttiVarsinainen jäsenSources: 4 · Confidence: 78%
Sirenius Elias AleksanteriVarajäsenSources: 2 · 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
A3
GoodSirenius Oy
Model score74/100
Assessment confidenceLow
Evidence qualityUsable financial evidenceFinancial data included
Financial trajectoryFinancial development is mostly stable or mixed.
4 comparable periods
RevenueNot enough history
ProfitabilityNot enough history
SolvencyVolatile
LiquidityNot enough history
Peer comparisonSame size nationallyDescriptive comparison – does not change the model score.
359 peers
Solvency92%
Better than 92% of peers
Supporting factors
  • Strong equity ratio
  • Company context reduces the weight of an isolated financial signal
  • Active registered status
Risk factors to note
  • Negative profitability or net result
Automatic model gradeA3
Automatic model snapshot2026-09-25
Automatic model versionopen-risk-grade-v0.14
Financial data included

The grade can use open digital financial statement data together with registry signals.

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 31 years of registry continuity.

Registry and status signalsVakaa
79/100

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
25 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade A3.

Registry timeline

Trade register notifications shown on a timeline.

17 register eventsLatest event: 2026-05-28

Profile source and ownership

Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2026-02-03.

This company profile has not been claimed yet

Sirenius Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.