Risk grade updatedRisk gradeEvidence verified
15 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.Business profile
Extentum Oy
Extentum Oy's registered office is Jyväskylä. It is a limited company. The company was established on 2003-04-11. It operates in the industry of business and other management consultancy activities. In its latest retained statement for 2025-02-28, revenue was €0 and operating profit was -€68.
Business ID 1824025-6ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 1824025-6
- Sector
- Business and other management consultancy activities
- Municipality
- Jyväskylä
- Company form
- Limited company
- Registration date
- 2003-04-11
- Business ID registration date
- 2003-04-03
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Ryytipolku 6 A 22, 40520, Jyväskylä
Phone: +358403434304Source observation
People and decision-makers
Laajala Jari MattiToimitusjohtaja
About Extentum Oy
Financial position and key figures for the company.
Extentum Oy's location municipality is Jyväskylä. It is a limited company. The company was established on 2003-04-11. It operates in the industry of business and other management consultancy activities. In its latest retained statement for 2025-02-28, revenue was €0 and operating profit was -€68. The latest retained financial statement for 2025-02-28 shows revenue of €0 and profit for the financial year of -€68. Based on the latest retained statement, revenue growth was not currently available, operating margin was not currently available, and equity ratio was -16.0%.
Extended business activity
A longer directory- or registry-backed activity description that complements the short registry industry label.
Yhtiön toimiala on liikkeenjohdon konsulttitoiminnan harjoittaminen tuotanto ja elinkeinoelämän kaikilla aloilla Suomessa ja ulkomailla. Yhtiö voi myös omistaa arvopapereita.
Financial highlights
Key figures from the latest financial period.
Latest financial period
2025-02-28
0
0
Enriched source observation
Derived indicators
Equity ratio-16.0%
Revenue€0+€0 vs previous periodPrevious: €0
Operating profit (loss)-€68+€4 (+5.6%) vs previous periodPrevious: -€72
Profit (loss) for the financial year-€68+€4 (+5.6%) vs previous periodPrevious: -€72
Assets€104,364-€68 (-0.1%) vs previous periodPrevious: €104,432
Balance-sheet contextLatest financial period
Employees0Previous: 0
Revenue trend4 periods
€0
2022-02-28
€0
2023-02-28
€0
2024-02-28
€0
2025-02-28
Operating profit (loss) trend4 periods
-€228
2022-02-28
-€64
2023-02-28
-€72
2024-02-28
-€68
2025-02-28
Profit (loss) for the financial year trend4 periods
-€228
2022-02-28
-€64
2023-02-28
-€72
2024-02-28
-€68
2025-02-28
Assets trend4 periods
€104,568
2022-02-28
€104,504
2023-02-28
€104,432
2024-02-28
€104,364
2025-02-28
Financial ratios
Financial ratios based on financial statement data. Source: Rikastettu lähdehavainto.
Equity ratioWeak
0/100 · Stable
Current ratioNot assessable
0/100 · Trend unavailable
Operating profit marginNot assessable
0/100 · Trend unavailable
Ratio history
| Ratio | 2022-02-28 | 2023-02-28 | 2024-02-28 | 2025-02-28 |
|---|---|---|---|---|
| Equity ratio | -15.8 % | -15.9 % | -16.0 % | -16.0 % |
| Current ratio | - | - | - | - |
| Operating profit margin | - | - | - | - |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID1824025-6
EU IDFIFPRO.1824025-6
MunicipalityJyväskylä
Current registered entries
2003-04-11Registered in Patent and Registration Office (Trade Register)
2003-04-14Registered in Tax Administration (Tax Administration)
Responsible people
Public role relationships materialized from source observations.
Laajala Jari MattiToimitusjohtajaSources: 6 · Confidence: 78%
Pääkkö Teemu Heikki JuhaniVarajäsenSources: 3 · Confidence: 78%
Laajala Jari MattiVarsinainen jäsenSources: 3 · Confidence: 78%
Kare KotirantaPäävastuullinen tilintarkastajaSources: 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
B1
StableExtentum Oy
Grade unchangedB1 · new analysis 2026-09-15
66/100
Medium
Registry and statistical evidenceRegistry and statistics based
Supporting factors
- Company context reduces the weight of an isolated financial signal
- Active registered status
- Long registry continuity
Risk factors to note
- Sufficient structured financial metrics are not available
Automatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
2 assessmentsB1
2026-09-1566/100 · v0.14
B1 → B1 · -3 points- Evidence quality: Registry and statistical evidence → Registry and statistical evidence.
B1
2026-09-1469/100 · v0.12
Oldest retained automatic assessment in this comparisonB1
2026-09-15
open-risk-grade-v0.14
The grade uses registry, industry, and regional signals because sufficient source-backed financial metrics are not available for a Tier 1 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 continuityVakiintunut
80/100
The company has about 23 years of registry continuity.
Registry and status signalsSeurattava
60/100
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
14 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.Registry timeline
Trade register notifications shown on a timeline.
15 register eventsLatest event: 2025-11-19
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
Extentum Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.