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.

Claim profileContact details
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
Data source
Public registry data

Contact and location summary

Visiting address: Kirkkokatu 8, 80100, Joensuu

Phone: +358405530353Source observation

Email: [email protected]Source observation

Website: https://www.arkkitehditok.fiSource: registry data

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

Imported periods0
PRH parsed0
Profile sourceEnriched source observation
Derived indicators
Revenue growth-17.9%
Operating margin18.4%
Equity ratio82.1%
Balance-sheet contextLatest retained period snapshot
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
82.1 %2025-02-28: 63.4 %
Current ratioNot assessable
0/100 · Trend unavailable
Not available2025-02-28: Ei saatavilla
Operating profit marginGood
96/100 · Declining
18.4 %2025-02-28: 25.5 %
Ratio history
Ratio2022-02-282023-02-282024-02-292025-02-282026-02-28
Equity ratio73.5 %58.6 %42.4 %63.4 %82.1 %
Current ratio-----
Operating profit margin35.8 %27.2 %16.7 %25.5 %18.4 %

Registry status and identifiers

Verified registry memberships and identifiers from the latest retained YTJ snapshot.

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

Financial data includedNot a credit decision
A2
Very goodArkkitehdit OK Oy
Updated2026-08-25
ConfidenceMedium
Score81/100

The grade can use open digital financial statement data together with registry signals.

Risk context

When open digital financial statements are unavailable, 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
91/100

Long registry history, recent financial statement filings, and active register markings support this signal.

Registry timeline

Trade register notifications shown on a timeline.

22 register eventsLatest event: 2026-07-04

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.