Risk grade updatedRisk gradeEvidence verified
17 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade C.Business profile
Kastelli Group Oy
Kastelli Group Oy's registered office is Oulu. It is a limited company. The company was established on 2017-12-31. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2025-12-31, revenue was €346,236 and operating profit was -€50,386.
Business ID 2851735-1ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 2851735-1
- Sector
- Construction of residential and non-residential buildings
- Municipality
- Oulu
- Company form
- Limited company
- Registration date
- 2017-12-31
- Business ID registration date
- 2017-08-24
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Voudintie 3, 90400, Oulu
Postal address: P.O. Box 455, 90101, Oulu
Phone: +358102776600Source observation
Website: https://www.kastelli.fiSource observation
E-invoice address: 003728210667 · Operator: välittäjän tunnus BAWCFI22Source: company website
Youtube profile: https://www.youtube.com/user/KastellitalotSource: company website
X profile: https://x.com/KastellitalotSource: company website
Instagram profile: https://www.instagram.com/kastellitalotSource: company website
Facebook profile: https://www.facebook.com/kastellitalotSource: company website
People and decision-makers
Mykrä Mikko JohannesToimitusjohtaja
About Kastelli Group Oy
Financial position and key figures for the company.
Kastelli Group Oy's location municipality is Oulu. It is a limited company. The company was established on 2017-12-31. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2025-12-31, revenue was €346,236 and operating profit was -€50,386. The latest retained financial statement for 2025-12-31 shows revenue of €346,236 and profit for the financial year of -€44,443. Based on the latest retained statement, revenue growth was -72.2%, operating margin was -6.7%, and equity ratio was not currently available.
Extended business activity
A longer directory- or registry-backed activity description that complements the short registry industry label.
Yhtiön toimiala on rakennusten osien ja rakenteiden valmistus, myynti ja pystytys, alaan liittyvä konsultointi, kiinteistöjen ostaminen, myyminen ja vuokraaminen, arvopaperikauppa sekä tarjous-, laskenta-, suunnittelu- ja taloushallintopalveluiden myynti sekä muu laillinen liiketoiminta. Toimintaa voidaan harjoittaa yhtiössä itsessään tai tytäryhtiössä, osakkuusyhtiössä tai yhteistoimintayrityksessä. Konsernin emoyhtiönä yhtiö tarjoaa konserniyhtiöille hallinto-, talous-, IT- ja muita palveluita sekä muutoin vastaa konsernin yhteisistä toiminnoista. Yhtiö voi omistaa, hallita ja vuokrata kiinteistöjä sekä omistaa arvopapereita.
Financial highlights
Key figures from the latest financial period.
Latest financial period
2025-12-31
0
0
Enriched source observation
Derived indicators
Revenue growth-72.2%
Operating margin-6.7%
Revenue€346,236-€898,764 (-72.2%) vs previous periodPrevious: €1,245,000
Operating profit (loss)-€50,386+€111,003 (+68.8%) vs previous periodPrevious: -€161,389
Profit (loss) for the financial year-€44,443+€108,007 (+70.8%) vs previous periodPrevious: -€152,450
Assets€3,785,919-€232,312 (-5.8%) vs previous periodPrevious: €4,018,230
Balance-sheet contextLatest financial period
Profit before taxes-€44,443Previous: -€152,907
Employees96Previous: 9
Revenue trend4 periods
€1,794,984
2022-12-31
€1,328,490
2023-12-31
€1,245,000
2024-12-31
€346,236
2025-12-31
Operating profit (loss) trend4 periods
€267,211
2022-12-31
-€50,089
2023-12-31
-€161,389
2024-12-31
-€50,386
2025-12-31
Profit (loss) for the financial year trend4 periods
€1,741,073
2022-12-31
-€35,357
2023-12-31
-€152,450
2024-12-31
-€44,443
2025-12-31
Assets trend4 periods
€5,113,347
2022-12-31
€4,154,792
2023-12-31
€4,018,230
2024-12-31
€3,785,919
2025-12-31
Financial ratios
Financial ratios based on financial statement data. Source: Rikastettu lähdehavainto.
Equity ratioNot assessable
0/100 · Trend unavailable
Current ratioNot assessable
0/100 · Trend unavailable
Operating profit marginWeak
33/100 · Improving
Ratio history
| Ratio | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|
| Equity ratio | - | - | - | - |
| Current ratio | - | - | - | - |
| Operating profit margin | 12.2 % | -2.6 % | -9.8 % | -6.7 % |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID2851735-1
VAT IDFI28517351
EU IDFIFPRO.2851735-1
MunicipalityOulu
Current registered entries
2017-12-31Registered in Patent and Registration Office (Trade Register)
2018-01-01Registered in Tax Administration (Employer Register)
2018-01-01VAT-obliged for the transfer of rights to use immovable property in Tax Administration (VAT Register)
2018-01-01VAT-liable for business activity in Tax Administration (VAT Register)
2018-01-01Registered in Tax Administration (Prepayment Register)
2018-01-04Registered in Tax Administration (Tax Administration)
Responsible people
Public role relationships materialized from source observations.
Mykrä Mikko JohannesToimitusjohtajaSources: 5 · Confidence: 78%
Aine Jussi Aimo SamuliPuheenjohtajaSources: 5 · Confidence: 78%
Ebba Maria Veronica Vitzthum LindholmHallitus: varsinainen jäsenSources: 1 · Confidence: 76%
Johansson Lasse Matti JuhaniVarsinainen jäsenSources: 4 · Confidence: 78%
Aine-Simonen Elina AnnikkiVarsinainen jäsenSources: 4 · Confidence: 78%
Pohjola Antti ValioVarsinainen jäsenSources: 3 · Confidence: 78%
Pekkarinen Timo JaakkoVarsinainen jäsenSources: 3 · Confidence: 78%
Pajuharju Tapio OlaviVarsinainen jäsenSources: 3 · Confidence: 78%
Nissilä Erkki SamuliProkuristiSources: 1 · Confidence: 78%
Osmo ValovirtaPäävastuullinen tilintarkastajaSources: 1 · Confidence: 76%
Tero Kiviojatekninen johtajaSources: 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
C
Elevated riskKastelli Group Oy
Grade unchangedC · new analysis 2026-10-17
39/100
Medium
Limited financial evidenceRegistry and statistics based
Financial development is mostly stable or mixed.
4 comparable periodsProfitabilityVolatile
SolvencyNot enough history
LiquidityNot enough history
Supporting factors
- Active registered status
Risk factors to note
- Elevated industry distress context
- Sufficient structured financial metrics are not available
Automatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
2 assessmentsC
2026-10-1739/100 · v0.15
C → CC
2026-10-1239/100 · v0.14
Oldest retained automatic assessment in this comparisonC
2026-10-17
open-risk-grade-v0.15
The grade uses registry, industry, and regional signals because sufficient source-backed financial metrics are not available for a Tier 1 assessment.
A serious financial risk signal affects this grade. Review the profile financial indicators as well.
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 riskhigh
25/100
Industry context is high based on normalized open statistical inputs.
Age and continuityHyvä
60/100
The company has about 8 years of registry continuity.
Registry and status signalsSeurattava
70/100
Registry history, filing recency, and active register markings are still limited or mixed.
Events & news
Verified events and sourced external company news in one timeline.
Risk grade updatedRisk gradeEvidence verified
12 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade C.Registry timeline
Trade register notifications shown on a timeline.
19 register eventsLatest event: 2025-07-10
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
Kastelli Group Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.