Business profile

Testo-Onni Oy

Testo-Onni Oy's registered office is Järvenpää. It is a limited company. The company was established on 2022-01-18. It operates in the industry of business and other management consultancy activities. In its latest retained statement for 2025-12-31, revenue was €0 and operating profit was €582.

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Business ID 3258773-1ValidUnclaimed company profile

Trusted core data

Public company details from the trade register.

Business ID
3258773-1
Sector
Business and other management consultancy activities
Municipality
Järvenpää
Company form
Limited company
Registration date
2022-01-18
Business ID registration date
2022-01-04
Business status
Valid
Profile ownership
Unclaimed company profile

Contact and location summary

Visiting address: Tähkä 6 C, 04400, Järvenpää

Phone: +358413193091Source observation

Email: [email protected]Source observation

People and decision-makers

Ruokonen Onni HermanniToimitusjohtaja

About Testo-Onni Oy

Financial position and key figures for the company.

Testo-Onni Oy's location municipality is Järvenpää. It is a limited company. The company was established on 2022-01-18. It operates in the industry of business and other management consultancy activities. In its latest retained statement for 2025-12-31, revenue was €0 and operating profit was €582. The latest retained financial statement for 2025-12-31 shows revenue of €0 and profit for the financial year of €370. Based on the latest retained statement, revenue growth was -100.0%, operating margin was not currently available, and equity ratio was -5116.4%.

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 growth-100.0%
Equity ratio-5116.4%
Revenue€0-€19,357 (-100.0%) vs previous periodPrevious: €19,357
Operating profit (loss)€582+€4,525 (+114.8%) vs previous periodPrevious: -€3,943
Profit (loss) for the financial year€370+€4,701 (+108.5%) vs previous periodPrevious: -€4,331
Assets€31-€5,700 (-99.5%) vs previous periodPrevious: €5,731
Balance-sheet contextLatest financial period
Employees1Previous: 1
Revenue trend4 periods
€47,863
2022-12-31
€30,845
2023-12-31
€19,357
2024-12-31
€0
2025-12-31
Operating profit (loss) trend4 periods
€3,790
2022-12-31
-€4,497
2023-12-31
-€3,943
2024-12-31
€582
2025-12-31
Profit (loss) for the financial year trend4 periods
€3,025
2022-12-31
-€4,659
2023-12-31
-€4,331
2024-12-31
€370
2025-12-31
Assets trend4 periods
€13,569
2022-12-31
€8,041
2023-12-31
€5,731
2024-12-31
€31
2025-12-31

Financial ratios

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

Equity ratioWeak
0/100 · Declining
-5116.4 %2024-12-31: -104.1 %
Current ratioNot assessable
0/100 · Trend unavailable
Not available2024-12-31: Ei saatavilla
Operating profit marginNot assessable
0/100 · Trend unavailable
Not available2024-12-31: -16.7 %
Ratio history
Ratio2022-12-312023-12-312024-12-312025-12-31
Equity ratio22.3 %-20.3 %-104.1 %-5116.4 %
Current ratio----
Operating profit margin7.9 %-14.6 %-16.7 %-

Registry status and identifiers

Current registry information and identifiers based on YTJ data.

YTJ statusValid
Trade RegisterRegistered
Business ID3258773-1
VAT IDFI32587731
EU IDFIFPRO.3258773-1
MunicipalityJärvenpää
Current registered entries
2022-01-04VAT-liable for business activity in Tax Administration (VAT Register)
2022-01-04Registered in Tax Administration (Prepayment Register)
2022-01-18Registered in Tax Administration (Tax Administration)
2022-01-18Registered in Patent and Registration Office (Trade Register)

Responsible people

Public role relationships materialized from source observations.

Ruokonen Onni HermanniToimitusjohtajaSources: 4 · Confidence: 78%
Ruokonen Arto SakariVarajäsenSources: 3 · Confidence: 78%
Ruokonen Onni HermanniVarsinainen jäsenSources: 1 · Confidence: 72%

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 riskTesto-Onni Oy
Grade unchangedC · new analysis 2026-10-18
Model score39/100
Assessment confidenceMedium
Evidence qualityLimited financial evidenceRegistry and statistics based
Financial trajectorySeveral key financial indicators have weakened across comparable fiscal periods.
4 comparable periods
RevenueDeteriorating · 3 consecutive periods
ProfitabilityNot enough history
SolvencyDeteriorating · 3 consecutive periods
LiquidityNot enough history
Supporting factors
  • Company context reduces the weight of an isolated financial signal
  • Active registered status
  • A newer financial statement filing has been reported
Risk factors to note
  • Coordinated deterioration across 2 financial domains
  • Sufficient structured financial metrics are not available
Rating historyAutomatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
2 assessments
C
2026-10-1839/100 · v0.15
C → C
C
2026-10-1539/100 · v0.14
Oldest retained automatic assessment in this comparison
Automatic model gradeC
Automatic model snapshot2026-10-18
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 financial risk signal affects this grade. Review the profile financial indicators 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 risklow
72/100

Industry context is low based on normalized open statistical inputs.

Age and continuityNuori
35/100

The company has about 4 years of registry continuity.

Registry and status signalsSeurattava
55/100

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 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade C.

Registry timeline

Trade register notifications shown on a timeline.

10 register eventsLatest event: 2026-04-17

Profile source and ownership

Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2026-01-01.

This company profile has not been claimed yet

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