Business profile

Mastone Oy

Mastone Oy's registered office is Varkaus. It is a limited company. The company was established on 2008-09-19. It operates in the industry of support activities for other mining and quarrying.

Claim profileContact details
Business ID 2218952-9ValidUnclaimed company profile

Trusted core data

Public company details from the trade register.

Business ID
2218952-9
Sector
Support activities for other mining and quarrying
Municipality
Varkaus
Company form
Limited company
Registration date
2008-09-19
Business ID registration date
2008-09-15
Business status
Valid
Profile ownership
Unclaimed company profile

Contact and location summary

Visiting address: Kivipurontie 19 B 6, 78250, Varkaus

Website: https://www.mastone.fiSource observation

About Mastone Oy

Financial position and key figures for the company.

Mastone Oy's location municipality is Varkaus. It is a limited company. The company was established on 2008-09-19. It operates in the industry of support activities for other mining and quarrying.

Registry status and identifiers

Current registry information and identifiers based on YTJ data.

YTJ statusValid
Trade RegisterRegistered
Business ID2218952-9
VAT IDFI22189529
EU IDFIFPRO.2218952-9
MunicipalityVarkaus
Current registered entries
2008-09-08VAT-liable for business activity in Tax Administration (VAT Register)
2008-09-19Registered in Patent and Registration Office (Trade Register)
2008-10-02Registered in Tax Administration (Tax Administration)
2015-06-01Registered in Tax Administration (Prepayment Register)

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
StableMastone Oy
Model score66/100
Assessment confidenceMedium
Evidence qualityRegistry and statistical evidenceRegistry and statistics based
Supporting factors
  • Active registered status
  • Long registry continuity
Risk factors to note
  • Sufficient structured financial metrics are not available
Automatic model gradeB1
Automatic model snapshot2026-09-17
Automatic model versionopen-risk-grade-v0.14
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.

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 riskmedium
53/100

Industry context is medium based on normalized open statistical inputs.

Age and continuityVakiintunut
80/100

The company has about 18 years of registry continuity.

Registry and status signalsVakaa
86/100

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
17 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.

Registry timeline

Trade register notifications shown on a timeline.

21 register eventsLatest event: 2026-04-08

Profile source and ownership

Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2026-01-26.

This company profile has not been claimed yet

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