Business profile

JK-Isolator Oy

JK-Isolator Oy's registered office is Turku. It is a limited company. The company was established on 1998-02-27. It operates in the industry of installation of insulation. In its latest retained statement for 2025-12-31, revenue was €190,686 and operating profit was €25,232.

Claim profileContact details
Business ID 1437765-0ValidUnclaimed company profile

Trusted core data

Public company details from the trade register.

Business ID
1437765-0
Sector
Installation of insulation
Municipality
Turku
Company form
Limited company
Registration date
1998-02-27
Business ID registration date
1998-01-05
Business status
Valid
Profile ownership
Unclaimed company profile

Contact and location summary

Visiting address: Parattulantie 1 A 3, 20320, Turku

Phone: +358407322869Source observation

People and decision-makers

Kivilä Jari PenttiToimitusjohtaja

About JK-Isolator Oy

Financial position and key figures for the company.

JK-Isolator Oy's location municipality is Turku. It is a limited company. The company was established on 1998-02-27. It operates in the industry of installation of insulation. In its latest retained statement for 2025-12-31, revenue was €190,686 and operating profit was €25,232. The latest retained financial statement for 2025-12-31 shows revenue of €190,686 and profit for the financial year of €20,267. Based on the latest retained statement, revenue growth was +33.5%, operating margin was +13.2%, and equity ratio was +78.7%.

Extended business activity

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

Yhtiön toimialana ovat kaikki teollisuuden ja rakentamisen eristys- ja peltityöt. Yhtiön toimialana on myös omistaa ja hallita sekä vuokrata kiinteää omaisuutta ja kiinteistöosakkeita ja käydä niillä kauppaa. Yhtiön toimialaan kuuluu myös arvopaperikauppa.

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 growth33.5%
Operating margin13.2%
Equity ratio78.7%
Revenue€190,686+€47,837 (+33.5%) vs previous periodPrevious: €142,849
Operating profit (loss)€25,232+€2,389 (+10.5%) vs previous periodPrevious: €22,843
Profit (loss) for the financial year€20,267-€2,363 (-10.4%) vs previous periodPrevious: €22,630
Assets€137,358+€32,900 (+31.5%) vs previous periodPrevious: €104,457
Balance-sheet contextLatest financial period
Profit before taxes€23,877Previous: €22,630
Employees2Previous: No comparison value
Revenue trend5 periods
€109,076
2021-12-31
€124,567
2022-12-31
€116,275
2023-12-31
€142,849
2024-12-31
€190,686
2025-12-31
Operating profit (loss) trend5 periods
-€4,142
2021-12-31
-€5,979
2022-12-31
-€20,400
2023-12-31
€22,843
2024-12-31
€25,232
2025-12-31
Profit (loss) for the financial year trend5 periods
-€4,241
2021-12-31
-€5,980
2022-12-31
-€20,440
2023-12-31
€22,630
2024-12-31
€20,267
2025-12-31
Assets trend5 periods
€125,565
2021-12-31
€123,433
2022-12-31
€100,461
2023-12-31
€104,457
2024-12-31
€137,358
2025-12-31

Financial ratios

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

Equity ratioGood
98/100 · Declining
78.7 %2024-12-31: 91.3 %
Current ratioNot assessable
0/100 · Trend unavailable
Not available2024-12-31: Ei saatavilla
Operating profit marginGood
83/100 · Declining
13.2 %2024-12-31: 16.0 %
Ratio history
Ratio2021-12-312022-12-312023-12-312024-12-312025-12-31
Equity ratio92.8 %82.0 %72.5 %91.3 %78.7 %
Current ratio-----
Operating profit margin-3.8 %-4.8 %-17.5 %16.0 %13.2 %

Registry status and identifiers

Current registry information and identifiers based on YTJ data.

YTJ statusValid
Trade RegisterRegistered
Business ID1437765-0
VAT IDFI14377650
EU IDFIFPRO.1437765-0
MunicipalityTurku
Current registered entries
1997-12-18VAT-liable for business activity in Tax Administration (VAT Register)
1997-12-18Registered in Tax Administration (Prepayment Register)
1998-01-05Registered in Tax Administration (Tax Administration)
1998-02-27Registered in Patent and Registration Office (Trade Register)
1998-06-01Registered in Tax Administration (Employer Register)

Responsible people

Public role relationships materialized from source observations.

Kivilä Jari PenttiToimitusjohtajaSources: 6 · Confidence: 78%
Kivilä Jari PenttiVarsinainen jäsenSources: 3 · Confidence: 78%
Kivilä Mari JanitaVarajäsenSources: 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
A2
Very goodJK-Isolator Oy
Model score80/100
Assessment confidenceMedium
Evidence qualityStrong financial evidenceFinancial data included
Financial trajectoryFinancial development has been volatile across multiple domains.
4 comparable periods
RevenueImproving · 2 consecutive periods
ProfitabilityVolatile
SolvencyVolatile
LiquidityNot enough history
Peer comparisonSame size nationallyDescriptive comparison – does not change the model score.
90 peers
Solvency77%
Better than 77% of peers
Profitability69%
Better than 69% of peers
Revenue growth81%
Better than 81% of peers
Supporting factors
  • Strong equity ratio
  • Strong operating profitability
  • Active registered status
Risk factors to note
  • Material volatility across multiple financial domains
  • Elevated industry distress context
Automatic model gradeA2
Automatic model snapshot2026-10-14
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 riskelevated
38/100

Industry context is elevated based on normalized open statistical inputs.

Age and continuityVakiintunut
90/100

The company has about 28 years of registry continuity.

Registry and status signalsVakaa
82/100

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 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade A2.

Registry timeline

Trade register notifications shown on a timeline.

18 register eventsLatest event: 2026-03-06

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

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