Business profile

A1 Arkkitehdit Oy

A1 Arkkitehdit Oy's registered office is Lahti. It is a limited company. The company was established on 2010-04-29. It operates in the industry of architectural activities.

Claim profileContact details
Business ID 2326852-8ValidUnclaimed company profile

Trusted core data

Public company details from the trade register.

Business ID
2326852-8
Sector
Architectural activities
Municipality
Lahti
Company form
Limited company
Registration date
2010-04-29
Business ID registration date
2010-03-23
Business status
Valid
Profile ownership
Unclaimed company profile

Contact and location summary

Visiting address: Laiturikatu 2, 15140, Lahti

Website: https://www.a1arkkitehdit.fiSource observation

About A1 Arkkitehdit Oy

Financial position and key figures for the company.

A1 Arkkitehdit Oy's location municipality is Lahti. It is a limited company. The company was established on 2010-04-29. It operates in the industry of architectural activities.

Registry status and identifiers

Current registry information and identifiers based on YTJ data.

YTJ statusValid
Trade RegisterRegistered
Business ID2326852-8
VAT IDFI23268528
EU IDFIFPRO.2326852-8
MunicipalityLahti
Current registered entries
2010-03-22VAT-liable for business activity in Tax Administration (VAT Register)
2010-03-23Registered in Tax Administration (Prepayment Register)
2010-04-26Registered in Tax Administration (Tax Administration)
2010-04-29Registered in Patent and Registration Office (Trade Register)
2010-06-01Registered in Tax Administration (Employer Register)
2010-09-28VAT-obliged for the transfer of rights to use immovable property in Tax Administration (VAT 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
B2
SatisfactoryA1 Arkkitehdit Oy
Grade upgradedB3 → B2 · new analysis 2026-10-17
Model score59/100
Assessment confidenceMedium
Evidence qualityRegistry and statistical evidenceRegistry and statistics based
Supporting factors
  • Active registered status
  • Long registry continuity
Risk factors to note
  • Severe registry event 12–24 months ago
  • Sufficient structured financial metrics are not available
Rating historyAutomatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
2 assessments
B2
2026-10-1759/100 · v0.15
B3 → B2 · +10 points
  • Registry-signal recency changed: 6–12 months → 12–24 months.
  • New risk factor: Severe registry event 12–24 months ago.
  • Risk factor cleared: Severe registry event 6–12 months ago.
B3
2026-09-1949/100 · v0.14
Oldest retained automatic assessment in this comparison
Automatic model gradeB2
Automatic model snapshot2026-10-17
Automatic model versionopen-risk-grade-v0.15
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.

A serious registry signal affects this grade. Review the profile registry and notification details as well.

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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
62/100

Industry context is medium based on normalized open statistical inputs.

Age and continuityVakiintunut
80/100

The company has about 16 years of registry continuity.

Registry and status signalsSeurattava
70/100

A severity-mapped registry signal 12–24 months ago remains a caution signal, but is no longer treated as recent.

Events & news

Verified events and sourced external company news in one timeline.

Risk grade updatedRisk gradeEvidence verified
17 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B2.
Risk grade updatedRisk gradeEvidence verified
19 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B3.

Registry timeline

Trade register notifications shown on a timeline.

28 register eventsLatest event: 2025-12-25

Profile source and ownership

Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2026-04-03.

This company profile has not been claimed yet

A1 Arkkitehdit Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.