Business profile

J&K Rakennustekniikka Oy

J&K Rakennustekniikka Oy's registered office is Helsingfors. It is a limited company. The company was established on 2003-07-16. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2025-12-31, revenue was €1,916,300 and operating profit was -€88,732.

Claim profileContact details
Business ID 1834021-4ValidUnclaimed company profile

Trusted core data

Public company details from the trade register.

Business ID
1834021-4
Sector
Construction of residential and non-residential buildings
Municipality
Helsingfors
Company form
Limited company
Registration date
2003-07-16
Business ID registration date
2003-05-28
Business status
Valid
Profile ownership
Unclaimed company profile

Contact and location summary

Visiting address: Kivikonlaita 34 H 23, 00940, Helsingfors

Phone: +358504585149Source observation

Email: [email protected]Source observation

Website: https://jkrakennus.fiSource observation

People and decision-makers

Jussila Tuuli TellervoVarsinainen jäsen
Airesvuo John JaakkoVarajäsen
Jussila Joonas Jaakko JuhaniVarajäsen

About J&K Rakennustekniikka Oy

Financial position and key figures for the company.

J&K Rakennustekniikka Oy's location municipality is Helsingfors. It is a limited company. The company was established on 2003-07-16. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2025-12-31, revenue was €1,916,300 and operating profit was -€88,732. The latest retained financial statement for 2025-12-31 shows revenue of €1,916,300 and profit for the financial year of -€72,734. Based on the latest retained statement, revenue growth was +25.4%, operating margin was -4.4%, and equity ratio was +27.3%.

Extended business activity

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

Yhtiön toimiala on LVI- ja rakennusurakointi, LVI- ja rakennustarvikkeiden myynti ja maahantuonti sekä rakennuskonevuokraus.

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 growth25.4%
Operating margin-4.4%
Equity ratio27.3%
Revenue€1,916,300+€387,807 (+25.4%) vs previous periodPrevious: €1,528,493
Operating profit (loss)-€88,732-€241,182 (-158.2%) vs previous periodPrevious: €152,451
Profit (loss) for the financial year-€72,734-€192,387 (-160.8%) vs previous periodPrevious: €119,653
Assets€479,823-€320,907 (-40.1%) vs previous periodPrevious: €800,730
Balance-sheet contextLatest financial period
Profit before taxes-€71,491Previous: €149,725
Employees5Previous: 5
Revenue trend5 periods
€894,422
2021-12-31
€974,756
2022-12-31
€885,500
2023-12-31
€1,528,493
2024-12-31
€1,916,300
2025-12-31
Operating profit (loss) trend5 periods
€5,248
2021-12-31
€89,448
2022-12-31
€1,817
2023-12-31
€152,451
2024-12-31
-€88,732
2025-12-31
Profit (loss) for the financial year trend5 periods
€3,937
2021-12-31
€71,539
2022-12-31
€1,253
2023-12-31
€119,653
2024-12-31
-€72,734
2025-12-31
Assets trend5 periods
€151,890
2021-12-31
€233,281
2022-12-31
€195,600
2023-12-31
€800,730
2024-12-31
€479,823
2025-12-31

Financial ratios

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

Equity ratioPassable
34/100 · Declining
27.3 %2024-12-31: 27.7 %
Current ratioNot assessable
0/100 · Trend unavailable
Not available2024-12-31: Ei saatavilla
Operating profit marginWeak
39/100 · Declining
-4.4 %2024-12-31: 9.8 %
Ratio history
Ratio2021-12-312022-12-312023-12-312024-12-312025-12-31
Equity ratio34.0 %51.0 %56.6 %27.7 %27.3 %
Current ratio-----
Operating profit margin0.6 %9.2 %0.2 %9.8 %-4.4 %

Registry status and identifiers

Current registry information and identifiers based on YTJ data.

YTJ statusValid
Trade RegisterRegistered
Business ID1834021-4
VAT IDFI18340214
EU IDFIFPRO.1834021-4
MunicipalityHelsingfors
Current registered entries
2003-05-30Registered in Tax Administration (Prepayment Register)
2003-06-01VAT-liable for business activity in Tax Administration (VAT Register)
2003-06-02Registered in Tax Administration (Tax Administration)
2003-07-16Registered in Patent and Registration Office (Trade Register)
2009-09-01Registered in Tax Administration (Employer Register)

Responsible people

Public role relationships materialized from source observations.

Jussila Joonas Jaakko JuhaniVarajäsenSources: 2 · Confidence: 78%
Jussila Tuuli TellervoVarsinainen jäsenSources: 4 · Confidence: 78%
Airesvuo John JaakkoVarajäsenSources: 3 · Confidence: 78%
Ahvonen Karita KaroliinaTilintarkastajaSources: 2 · Confidence: 78%
Janne Petteri VirtanenVaratilintarkastajaSources: 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
StableJ&K Rakennustekniikka Oy
Grade unchangedB1 · new analysis 2026-10-20
Model score60/100
Assessment confidenceMedium
Evidence qualityUsable financial evidenceFinancial data included
Financial trajectoryFinancial development is mostly stable or mixed.
4 comparable periods
RevenueImproving · 2 consecutive periods
ProfitabilityVolatile
SolvencyDeteriorating
LiquidityNot enough history
Peer comparisonNational Tier 1 comparisonDescriptive comparison – does not change the model score.
256 peers
Solvency37%
Below 63% of peers
Profitability18%
Below 82% of peers
Revenue growth83%
Better than 83% of peers
Supporting factors
  • Active registered status
  • A newer financial statement filing has been reported
  • Long registry continuity
Risk factors to note
  • Negative profitability or net result
  • Elevated industry distress context
Rating historyAutomatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
2 assessments
B1
2026-10-2060/100 · v0.15
B1 → B1
  • Evidence quality: Strong financial evidence → Usable financial evidence.
B1
2026-09-1760/100 · v0.14
Oldest retained automatic assessment in this comparison
Automatic model gradeB1
Automatic model snapshot2026-10-20
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
25/100

Industry context is high based on normalized open statistical inputs.

Age and continuityVakiintunut
80/100

The company has about 23 years of registry continuity.

Registry and status signalsVakaa
83/100

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
20 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.
Risk grade updatedRisk gradeEvidence verified
17 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.

Registry timeline

Trade register notifications shown on a timeline.

23 register eventsLatest event: 2026-02-25

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

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