Business profile

Arkkitehtitoimisto Mämmi Oy

Arkkitehtitoimisto Mämmi Oy's registered office is Palojoki. It is a limited company. The company was established on 2025-01-19. It operates in the industry of interior design activities. In its latest retained statement for 2025-12-31, revenue was €34,501 and operating profit was -€4,448.

Claim profileContact details
Business ID 3502537-1ValidUnclaimed company profile

Trusted core data

Public company details from the trade register.

Business ID
3502537-1
Sector
Interior design activities
Municipality
Palojoki
Company form
Limited company
Registration date
2025-01-19
Business ID registration date
2025-01-13
Business status
Valid
Profile ownership
Unclaimed company profile
Data source
Public registry data

Contact and location summary

Visiting address: Arolantie 10a, 01940, Palojoki

Website: https://mammiarkkitehdit.fiSource observation

People and decision-makers

Itoh MayumiToimitusjohtaja

About Arkkitehtitoimisto Mämmi Oy

Financial position and key figures for the company.

Arkkitehtitoimisto Mämmi Oy's location municipality is Palojoki. It is a limited company. The company was established on 2025-01-19. It operates in the industry of interior design activities. In its latest retained statement for 2025-12-31, revenue was €34,501 and operating profit was -€4,448. The latest retained financial statement for 2025-12-31 shows revenue of €34,501 and profit for the financial year of -€4,487. Based on the latest retained statement, revenue growth was not currently available, operating margin was -12.9%, and equity ratio was -134.9%.

Auxiliary business names

Public alternate names materialized from source observations.

Mämmi Architects Ltd

Financial highlights

Key figures from the latest financial period.

Latest financial period

2025-12-31

Imported periods0
PRH parsed0
Profile sourceEnriched source observation
Derived indicators
Operating margin-12.9%
Equity ratio-134.9%
Balance-sheet contextLatest retained period snapshot
Profit before taxes-€4,487Previous: No comparison value
Employees0Previous: No comparison value

Financial ratios

Financial ratios based on financial statement data. Source: Rikastettu lähdehavainto.

Equity ratioWeak
0/100 · Trend unavailable
-134.9 %Comparison period is not available from the source
Current ratioNot assessable
0/100 · Trend unavailable
Not availableComparison period is not available from the source
Operating profit marginWeak
18/100 · Trend unavailable
-12.9 %Comparison period is not available from the source

Registry status and identifiers

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

YTJ statusValid
Trade RegisterRegistered
Business ID3502537-1
VAT IDFI35025371
EU IDFIFPRO.3502537-1
MunicipalityPalojoki
Current registered entries
2025-01-13VAT-liable for business activity in Tax Administration (VAT Register)
2025-01-13Registered in Tax Administration (Prepayment Register)
2025-01-19Registered in Patent and Registration Office (Trade Register)
2025-01-20Registered in Tax Administration (Tax Administration)

Responsible people

Public role relationships materialized from source observations.

Itoh MayumiToimitusjohtajaSources: 4 · Confidence: 78%
Lounela Kalle EliasVarajäsenSources: 2 · Confidence: 78%
Itoh MayumiVarsinainen jäsenSources: 1 · Confidence: 72%

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
D
High riskArkkitehtitoimisto Mämmi Oy
Updated2026-08-28
ConfidenceMedium
Score23/100

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

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

Risk context

When open digital financial statements are unavailable, BUSINESS.fi shows registry, industry, and regional context.

Industry risklow
82/100

Industry context is low based on normalized open statistical inputs.

Age and continuityNuori
10/100

The company has about 1 years of registry continuity.

Registry and status signalsKoholla
20/100

Recent severity-mapped registry signals require attention.

Registry timeline

Trade register notifications shown on a timeline.

4 register eventsLatest event: 2026-03-28

Profile source and ownership

Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2026-03-28.

This company profile has not been claimed yet

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