Business profile

Maanrakennus J. Siironen Oy

Maanrakennus J. Siironen Oy's registered office is Kalajoki. It is a limited company. The company was established on 2021-03-24. It operates in the industry of construction of other civil engineering projects n.e.c.. In its latest retained statement for 2025-12-31, revenue was €416,892 and operating profit was €35,540.

Claim profileContact details
Business ID 3199036-9ValidUnclaimed company profile

Trusted core data

Public company details from the trade register.

Business ID
3199036-9
Sector
Construction of other civil engineering projects n.e.c.
Municipality
Kalajoki
Company form
Limited company
Registration date
2021-03-24
Business ID registration date
2021-03-21
Business status
Valid
Profile ownership
Unclaimed company profile

Contact and location summary

Visiting address: Tinatie 10, 85100, Kalajoki

Postal address: Pohjankyläntie 1 A 14, 85100, Kalajoki

Phone: +358413265809Source observation

Email: [email protected]Source observation

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

Instagram profile: https://www.instagram.com/jsiironenoySource: company website

Facebook profile: https://www.facebook.com/koneurakointi.j.siironen/?locale=fi_FISource: company website

People and decision-makers

Siironen Jarkko JuhaniToimitusjohtaja

About Maanrakennus J. Siironen Oy

Financial position and key figures for the company.

Maanrakennus J. Siironen Oy's location municipality is Kalajoki. It is a limited company. The company was established on 2021-03-24. It operates in the industry of construction of other civil engineering projects n.e.c.. In its latest retained statement for 2025-12-31, revenue was €416,892 and operating profit was €35,540. The latest retained financial statement for 2025-12-31 shows revenue of €416,892 and profit for the financial year of €21,698. Based on the latest retained statement, revenue growth was +29.0%, operating margin was +8.5%, and equity ratio was +25.3%.

Auxiliary business names

Public alternate names materialized from source observations.

Jarrent

Financial highlights

Key figures from the latest financial period.

Latest financial period

2025-12-31

Imported periods0
PRH parsed0
Profile sourceEnriched source observation
Derived indicators
Revenue growth29.0%
Operating margin8.5%
Equity ratio25.3%
Balance-sheet contextLatest financial period
Profit before taxes€28,794Previous: €16,221
Employees12Previous: No comparison value
Revenue trend5 periods
€48,396
2021-12-31
€135,873
2022-12-31
€172,233
2023-12-31
€323,255
2024-12-31
€416,892
2025-12-31
Operating profit (loss) trend5 periods
€14,012
2021-12-31
€9,256
2022-12-31
€18,076
2023-12-31
€21,614
2024-12-31
€35,540
2025-12-31
Profit (loss) for the financial year trend5 periods
€13,070
2021-12-31
€2,256
2022-12-31
€8,855
2023-12-31
€9,889
2024-12-31
€21,698
2025-12-31
Assets trend5 periods
€74,182
2021-12-31
€96,006
2022-12-31
€91,287
2023-12-31
€103,374
2024-12-31
€220,241
2025-12-31

Financial ratios

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

Equity ratioPassable
32/100 · Declining
25.3 %2024-12-31: 33.0 %
Current ratioNot assessable
0/100 · Trend unavailable
Not available2024-12-31: Ei saatavilla
Operating profit marginSatisfactory
71/100 · Improving
8.5 %2024-12-31: 6.5 %
Ratio history
Ratio2021-12-312022-12-312023-12-312024-12-312025-12-31
Equity ratio17.6 %16.0 %26.5 %33.0 %25.3 %
Current ratio-----
Operating profit margin28.9 %6.8 %10.1 %6.5 %8.5 %

Registry status and identifiers

Current registry information and identifiers based on YTJ data.

YTJ statusValid
Trade RegisterRegistered
Business ID3199036-9
VAT IDFI31990369
EU IDFIFPRO.3199036-9
MunicipalityKalajoki
Current registered entries
2021-03-21Registered in Tax Administration (Employer Register)
2021-03-21VAT-liable for business activity in Tax Administration (VAT Register)
2021-03-21Registered in Tax Administration (Prepayment Register)
2021-03-24Registered in Tax Administration (Tax Administration)
2021-03-24Registered in Patent and Registration Office (Trade Register)

Responsible people

Public role relationships materialized from source observations.

Siironen Jarkko JuhaniToimitusjohtajaSources: 5 · Confidence: 78%
Siironen Jarkko JuhaniPuheenjohtajaSources: 3 · Confidence: 78%
Siironen Heikki JuhaniVarsinainen jäsenSources: 4 · Confidence: 78%
Siironen Pirkko AnneliVarajäsenSources: 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
B1
StableMaanrakennus J. Siironen Oy
Grade unchangedB1 · new analysis 2026-10-19
Model score65/100
Assessment confidenceMedium
Evidence qualityUsable financial evidenceFinancial data included
Financial trajectoryFinancial development is mostly stable or mixed.
4 comparable periods
RevenueImproving · 3 consecutive periods
ProfitabilityDeteriorating
SolvencyVolatile
LiquidityNot enough history
Peer comparisonSame industry and sizeDescriptive comparison – does not change the model score.
58 peers
Solvency40%
Below 60% of peers
Profitability48%
Close to the peer-group midpoint
Revenue growth88%
Better than 88% of peers
Supporting factors
  • Strong operating profitability
  • Active registered status
Risk factors to note
  • Elevated industry distress context
Rating historyAutomatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
2 assessments
B1
2026-10-1965/100 · v0.15
B1 → B1
  • Evidence quality: Strong financial evidence → Usable financial evidence.
B1
2026-10-1165/100 · v0.14
Oldest retained automatic assessment in this comparison
Automatic model gradeB1
Automatic model snapshot2026-10-19
Automatic model versionopen-risk-grade-v0.15
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 riskhigh
23/100

Industry context is high based on normalized open statistical inputs.

Age and continuityHyvä
60/100

The company has about 5 years of registry continuity.

Registry and status signalsRajallinen
52/100

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
19 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.
Risk grade updatedRisk gradeEvidence verified
11 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.

Registry timeline

Trade register notifications shown on a timeline.

6 register eventsLatest event: 2025-07-04

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

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