Business profile

Castellum Oy

Castellum Oy's registered office is Helsingfors. It is a limited company. The company was established on 2019-04-02. It operates in the industry of rental and operating of own or leased non-residential real estate. In its latest retained statement for 2024-12-31, revenue was €1,502,578 and operating profit was €84,512.

Claim profileContact details
Business ID 2987458-8ValidUnclaimed company profile

Trusted core data

Public company details from the trade register.

Business ID
2987458-8
Sector
Rental and operating of own or leased non-residential real estate
Municipality
Helsingfors
Company form
Limited company
Registration date
2019-04-02
Business ID registration date
2019-03-05
Business status
Valid
Profile ownership
Unclaimed company profile
Data source
Public registry data

Contact and location summary

Visiting address: Verkkosaarenkatu 5, 00580, Helsingfors

Phone: +358403505367Source observation

Website: https://castellum.fiSource observation

Linkedin profile: https://www.linkedin.com/company/castellumfinlandSource: company website

Instagram profile: https://www.instagram.com/castellumfinlandSource: company website

Facebook profile: https://www.facebook.com/castellumfinlandSource: company website

Facebook profile: https://www.facebook.com/policy.phpSource: company website

People and decision-makers

Stadigh Johan HenrikToimitusjohtaja

Email: Email available for logged-in usersSource: company website

Phone: Phone available for logged-in usersSource: company website

Elmeri NordenswanDecision-maker

Email: Email available for logged-in usersSource: company website

Phone: Phone available for logged-in usersSource: company website

Sanna HulkkoDecision-maker

Email: Email available for logged-in usersSource: company website

Phone: Phone available for logged-in usersSource: company website

Lauri MailaDirector

Email: Email available for logged-in usersSource: company website

Phone: Phone available for logged-in usersSource: company website

Annmari KallioinenDecision-maker

Email: Email available for logged-in usersSource: company website

Phone: Phone available for logged-in usersSource: company website

Niko RaittinenDecision-maker

Email: Email available for logged-in usersSource: company website

Phone: Phone available for logged-in usersSource: company website

Dinah Sjöholmasiakkuuspäällikkö

Email: Email available for logged-in usersSource: company website

Phone: Phone available for logged-in usersSource: company website

Katja Rummukainenasiakkuuspäällikkö

Email: Email available for logged-in usersSource: company website

Phone: Phone available for logged-in usersSource: company website

Riikka HenttonenDecision-maker

Email: Email available for logged-in usersSource: company website

Phone: Phone available for logged-in usersSource: company website

Anna VuorinenDecision-maker

Email: Email available for logged-in usersSource: company website

Phone: Phone available for logged-in usersSource: company website

Juhana JokinenDecision-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 Castellum Oy

Financial position and key figures for the company.

Castellum Oy's location municipality is Helsingfors. It is a limited company. The company was established on 2019-04-02. It operates in the industry of rental and operating of own or leased non-residential real estate. In its latest retained statement for 2024-12-31, revenue was €1,502,578 and operating profit was €84,512. The latest retained financial statement for 2024-12-31 shows revenue of €1,502,578 and profit for the financial year of €63,665. Based on the latest retained statement, revenue growth was +7.4%, operating margin was +5.6%, and equity ratio was +33.2%.

Financial highlights

Key figures from the latest financial period.

Latest financial period

2024-12-31

Imported periods0
PRH parsed0
Profile sourceEnriched source observation
Derived indicators
Revenue growth7.4%
Operating margin5.6%
Equity ratio33.2%
Balance-sheet contextLatest retained period snapshot
Profit before taxes€86,788Previous: €54,727
Employees6Previous: 6
Revenue trend4 periods
€532,708
2021-12-31
€1,187,356
2022-12-31
€1,398,722
2023-12-31
€1,502,578
2024-12-31
Operating profit (loss) trend4 periods
€20,489
2021-12-31
€46,515
2022-12-31
€54,838
2023-12-31
€84,512
2024-12-31
Profit (loss) for the financial year trend4 periods
€11,536
2021-12-31
-€5,088
2022-12-31
€38,634
2023-12-31
€63,665
2024-12-31
Assets trend4 periods
€655,166
2021-12-31
€932,068
2022-12-31
€1,003,782
2023-12-31
€1,129,654
2024-12-31

Financial ratios

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

Equity ratioSatisfactory
42/100 · Improving
33.2 %2023-12-31: 31.0 %
Current ratioNot assessable
0/100 · Trend unavailable
Not available2023-12-31: Ei saatavilla
Operating profit marginSatisfactory
64/100 · Improving
5.6 %2023-12-31: 3.9 %
Ratio history
Ratio2021-12-312022-12-312023-12-312024-12-31
Equity ratio42.4 %29.8 %31.0 %33.2 %
Current ratio----
Operating profit margin3.9 %3.9 %3.9 %5.6 %

Registry status and identifiers

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

YTJ statusValid
Trade RegisterRegistered
Business ID2987458-8
VAT IDFI29874588
EU IDFIFPRO.2987458-8
MunicipalityHelsingfors
Current registered entries
2019-03-05VAT-liable for business activity in Tax Administration (VAT Register)
2019-03-05Registered in Tax Administration (Prepayment Register)
2019-04-02Registered in Patent and Registration Office (Trade Register)
2019-04-04Registered in Tax Administration (Tax Administration)
2019-05-01Registered in Tax Administration (Employer Register)

Responsible people

Public role relationships materialized from source observations.

Direct contact details available for logged-in users.

Stadigh Johan HenrikToimitusjohtajaSources: 5 · Confidence: 78%
Strömbäck Hans Martin ChristofferVarajäsenSources: 2 · Confidence: 78%
Stadigh Johan HenrikVarsinainen jäsenSources: 2 · Confidence: 78%
Aarne MartamoPäävastuullinen 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
A3
GoodCastellum Oy
Updated2026-08-25
ConfidenceMedium
Score71/100

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 risklow
77/100

Industry context is low based on normalized open statistical inputs.

Age and continuityHyvä
60/100

The company has about 7 years of registry continuity.

Registry and status signalsSeurattava
70/100

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

Registry timeline

Trade register notifications shown on a timeline.

15 register eventsLatest event: 2025-12-19

Profile source and ownership

Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2025-12-31.

This company profile has not been claimed yet

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