Risk grade updatedRisk gradeEvidence verified
12 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade C.Business profile
J-Block Oy
J-Block Oy's registered office is Nurmijärvi. It is a limited company. The company was established on 2024-11-08. It operates in the industry of intermediation service activities for real estate activities.
Business ID 3486909-7ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 3486909-7
- Sector
- Intermediation service activities for real estate activities
- Municipality
- Nurmijärvi
- Company form
- Limited company
- Registration date
- 2024-11-08
- Business ID registration date
- 2024-11-01
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Riihipellontie 1 A 9, 01900, Nurmijärvi
People and decision-makers
Viitanen Jenni MariaToimitusjohtaja
About J-Block Oy
Financial position and key figures for the company.
J-Block Oy's location municipality is Nurmijärvi. It is a limited company. The company was established on 2024-11-08. It operates in the industry of intermediation service activities for real estate activities.
Extended business activity
A longer directory- or registry-backed activity description that complements the short registry industry label.
Kiinteistönvälitys, asunto-osakkeiden välitys, kiinteistöjen sekä asuntojen vuokraustoiminta
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID3486909-7
EU IDFIFPRO.3486909-7
MunicipalityNurmijärvi
Current registered entries
2024-11-01Registered in Tax Administration (Prepayment Register)
2024-11-08Registered in Tax Administration (Tax Administration)
2024-11-08Registered in Patent and Registration Office (Trade Register)
Responsible people
Public role relationships materialized from source observations.
Viitanen Jenni MariaToimitusjohtajaSources: 5 · Confidence: 78%
Viitanen Jenni MariaPuheenjohtajaSources: 4 · Confidence: 78%
Korkalainen Tuija Kirsi MarjutVarsinainen jäsenSources: 4 · Confidence: 78%
Daniel FingerroosHallitus: varajäsenSources: 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
C
Elevated riskJ-Block Oy
39/100
Medium
Registry and statistical evidenceRegistry and statistics based
Supporting factors
- Active registered status
Risk factors to note
- Sufficient structured financial metrics are not available
C
2026-10-12
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 riskmedium
53/100
Industry context is medium based on normalized open statistical inputs.
Age and continuityNuori
10/100
The company has about 1 years of registry continuity.
Registry and status signalsRajallinen
28/100
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.
Registry timeline
Trade register notifications shown on a timeline.
2 register eventsLatest event: 2024-11-08
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-Block Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.