Business profile

Weldia Oy

Weldia Oy's registered office is Oulu. It is a limited company. The company was established on 1995-05-31. It operates in the industry of engineering design and technical consultancy incidental to heating, plumbing and air-conditioning.

Claim profileContact details
Business ID 1003486-1ValidUnclaimed company profile

Trusted core data

Public company details from the trade register.

Business ID
1003486-1
Sector
Engineering design and technical consultancy incidental to heating, plumbing and air-conditioning
Municipality
Oulu
Company form
Limited company
Registration date
1995-05-31
Business ID registration date
1995-04-26
Business status
Valid
Profile ownership
Unclaimed company profile
Data source
Public registry data

Contact and location summary

Visiting address: Puolatie 3 lt. 5, 90620, Oulu

Phone: +3581400711Source observation

Email: [email protected]Source observation

Website: https://www.weldia.euSource observation

Linkedin profile: https://www.linkedin.com/company/weldia-designerSource: company website

People and decision-makers

Pellinen Antti JohannesToimitusjohtaja

About Weldia Oy

Financial position and key figures for the company.

Weldia Oy's location municipality is Oulu. It is a limited company. The company was established on 1995-05-31. It operates in the industry of engineering design and technical consultancy incidental to heating, plumbing and air-conditioning. Based on the latest retained statement, revenue growth was not currently available, operating margin was not currently available, and equity ratio was +94.4%.

Financial highlights

Key figures from the latest financial period.

Latest financial period

2025-09-30

Imported periods0
PRH parsed0
Profile sourceEnriched source observation
Derived indicators
Equity ratio94.4%
Balance-sheet contextLatest retained period snapshot
Profit before taxes€149,276Previous: €104,710
Employees1Previous: 1
Operating profit (loss) trend5 periods
€89,053
2021-09-30
€87,720
2022-09-30
€84,132
2023-09-30
€104,701
2024-09-30
€149,383
2025-09-30
Profit (loss) for the financial year trend5 periods
€71,186
2021-09-30
€70,115
2022-09-30
€67,256
2023-09-30
€83,771
2024-09-30
€119,399
2025-09-30
Assets trend5 periods
€301,640
2021-09-30
€331,384
2022-09-30
€395,300
2023-09-30
€405,424
2024-09-30
€511,516
2025-09-30

Financial ratios

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

Equity ratioGood
100/100 · Declining
94.4 %2024-09-30: 97.5 %
Current ratioNot assessable
0/100 · Trend unavailable
Not available2024-09-30: Ei saatavilla
Operating profit marginNot assessable
0/100 · Trend unavailable
Not available2024-09-30: Ei saatavilla
Ratio history
Ratio2021-09-302022-09-302023-09-302024-09-302025-09-30
Equity ratio97.5 %97.8 %88.9 %97.5 %94.4 %
Current ratio-----
Operating profit margin-----

Registry status and identifiers

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

YTJ statusValid
Trade RegisterRegistered
Business ID1003486-1
VAT IDFI10034861
EU IDFIFPRO.1003486-1
MunicipalityOulu
Current registered entries
1995-03-07Registered in Tax Administration (Prepayment Register)
1995-04-01VAT-liable for business activity in Tax Administration (VAT Register)
1995-04-26Registered in Tax Administration (Tax Administration)
1995-05-31Registered in Patent and Registration Office (Trade Register)

Responsible people

Public role relationships materialized from source observations.

Pellinen Antti JohannesToimitusjohtajaSources: 5 · Confidence: 78%
Pellinen Antti JohannesVarsinainen jäsenSources: 2 · Confidence: 78%
Pellinen ZhannaVarajäsenSources: 2 · Confidence: 78%

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
A3
GoodWeldia Oy
Updated2026-08-24
ConfidenceLow
Score74/100

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 31 years of registry continuity.

Registry and status signalsVakaa
76/100

Registry history, filing recency, and active register markings are still limited or mixed.

Registry timeline

Trade register notifications shown on a timeline.

14 register eventsLatest event: 2026-02-10

Profile source and ownership

Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2026-01-03.

This company profile has not been claimed yet

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