Risk grade updatedRisk gradeEvidence verified
5 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade A2.Business profile
Arkkitehdit OK Oy
Arkkitehdit OK Oy's registered office is Joensuu. It is a limited company. The company was established on 1990-02-21. It operates in the industry of architectural activities. In its latest retained statement for 2026-02-28, revenue was €248,634 and operating profit was €46,513.
Business ID 0779406-9ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 0779406-9
- Sector
- Architectural activities
- Municipality
- Joensuu
- Company form
- Limited company
- Registration date
- 1990-02-21
- Business ID registration date
- 1990-01-25
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Kirkkokatu 8, 80100, Joensuu
Phone: +358405530353Source observation
Website: https://www.arkkitehditok.fiSource observation
People and decision-makers
Karttunen Osmo TapaniToimitusjohtaja
Email: Email available for logged-in usersSource: company website
Phone: Phone available for logged-in usersSource: company website
Anastasia AntoniadouDecision-maker
Email: Email available for logged-in usersSource: company website
Phone: Phone available for logged-in usersSource: company website
Teija KokkoDecision-maker
Email: Email available for logged-in usersSource: company website
Phone: Phone available for logged-in usersSource: company website
Lasse NevalainenDecision-maker
Email: Email available for logged-in usersSource: company website
Phone: Phone available for logged-in usersSource: company website
Direct contact details available for logged-in usersSome person-level contact details are shown only to registered users. The data is based on public sources, such as the company's own website.Log in to view decision-maker contact details
About Arkkitehdit OK Oy
Financial position and key figures for the company.
Arkkitehdit OK Oy's location municipality is Joensuu. It is a limited company. The company was established on 1990-02-21. It operates in the industry of architectural activities. In its latest retained statement for 2026-02-28, revenue was €248,634 and operating profit was €46,513. The latest retained financial statement for 2026-02-28 shows revenue of €248,634 and profit for the financial year of €36,756. Based on the latest retained statement, revenue growth was -17.9%, operating margin was +18.4%, and equity ratio was +82.1%.
Auxiliary business names
Public alternate names materialized from source observations.
Arkkitehtitoimisto Karttunen
Financial highlights
Key figures from the latest financial period.
Latest financial period
2026-02-28
0
0
Enriched source observation
Derived indicators
Revenue growth-17.9%
Operating margin18.4%
Equity ratio82.1%
Revenue€248,634-€54,408 (-18.0%) vs previous periodPrevious: €303,042
Operating profit (loss)€46,513-€32,941 (-41.5%) vs previous periodPrevious: €79,454
Profit (loss) for the financial year€36,756-€28,353 (-43.5%) vs previous periodPrevious: €65,109
Assets€224,165-€71,378 (-24.2%) vs previous periodPrevious: €295,542
Balance-sheet contextLatest financial period
Profit before taxes€46,466Previous: €81,232
Employees3Previous: 2
Revenue trend5 periods
€247,274
2022-02-28
€208,537
2023-02-28
€127,733
2024-02-29
€303,042
2025-02-28
€248,634
2026-02-28
Operating profit (loss) trend5 periods
€90,685
2022-02-28
€58,944
2023-02-28
€22,675
2024-02-29
€79,454
2025-02-28
€46,513
2026-02-28
Profit (loss) for the financial year trend5 periods
€70,128
2022-02-28
€44,536
2023-02-28
€21,374
2024-02-29
€65,109
2025-02-28
€36,756
2026-02-28
Assets trend5 periods
€239,874
2022-02-28
€308,601
2023-02-28
€383,091
2024-02-29
€295,542
2025-02-28
€224,165
2026-02-28
Financial ratios
Financial ratios based on financial statement data. Source: Rikastettu lähdehavainto.
Equity ratioGood
100/100 · Improving
Current ratioNot assessable
0/100 · Trend unavailable
Operating profit marginGood
96/100 · Declining
Ratio history
| Ratio | 2022-02-28 | 2023-02-28 | 2024-02-29 | 2025-02-28 | 2026-02-28 |
|---|---|---|---|---|---|
| Equity ratio | 73.5 % | 58.6 % | 42.4 % | 63.4 % | 82.1 % |
| Current ratio | - | - | - | - | - |
| Operating profit margin | 35.8 % | 27.2 % | 16.7 % | 25.5 % | 18.4 % |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID0779406-9
VAT IDFI07794069
EU IDFIFPRO.0779406-9
MunicipalityJoensuu
Current registered entries
1990-01-01Registered in Tax Administration (Employer Register)
1990-01-25Registered in Tax Administration (Tax Administration)
1990-02-21Registered in Patent and Registration Office (Trade Register)
1994-06-01VAT-liable for business activity in Tax Administration (VAT Register)
1995-03-01Registered in Tax Administration (Prepayment Register)
Responsible people
Public role relationships materialized from source observations.
Direct contact details available for logged-in users.
Karttunen Osmo TapaniToimitusjohtajaSources: 5 · Confidence: 78%
Karttunen Osmo TapaniVarsinainen jäsenSources: 2 · Confidence: 78%
Karttunen Oskari AkuOikeutettu nimenkirjoittajaSources: 1 · Confidence: 78%
Oskari KarttunenHallitus: varajäsenSources: 1 · Confidence: 76%
Mira TahvanainenPäävastuullinen tilintarkastajaSources: 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
A2
Very goodArkkitehdit OK Oy
Grade unchangedA2 · new analysis 2026-10-18
80/100
Medium
Usable financial evidenceFinancial data included
Financial development has been volatile across multiple domains.
4 comparable periodsRevenueVolatile
ProfitabilityVolatile
SolvencyImproving · 2 consecutive periods
LiquidityNot enough history
Same industry, size and age groupDescriptive comparison – does not change the model score.
74 peersSolvency74%
Better than 74% of peers
Profitability77%
Better than 77% of peers
Revenue growth16%
Below 84% of peers
Supporting factors
- Strong equity ratio
- Strong operating profitability
- Active registered status
Risk factors to note
- Material volatility across multiple financial domains
Automatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
2 assessmentsA2
2026-10-1880/100 · v0.15
A2 → A2 · -1 points- Evidence quality: Strong financial evidence → Usable financial evidence.
A2
2026-10-0581/100 · v0.14
Oldest retained automatic assessment in this comparisonA2
2026-10-18
open-risk-grade-v0.15
The grade can use open digital financial statement data together with registry signals.
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
90/100
The company has about 36 years of registry continuity.
Registry and status signalsErittäin vahva
92/100
Long registry history, recent financial statement filings, and active register markings support this signal.
Events & news
Verified events and sourced external company news in one timeline.
Financial statements registeredFinancialEvidence verified
24 Sept 2026 · PRH / KREKFINANCIAL STATEMENTSRegistry timeline
Trade register notifications shown on a timeline.
23 register eventsLatest event: 2026-09-24
Profile source and ownership
Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2026-01-05.
This company profile has not been claimed yet
Arkkitehdit OK Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.