Risk grade updatedRisk gradeEvidence verified
18 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.Business profile
Rakennuttajatoimisto Castek Oy
Rakennuttajatoimisto Castek Oy's registered office is Helsingfors. It is a limited company. The company was established on 2017-01-30. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2025-06-30, revenue was €1,213,635 and operating profit was €128,114.
Business ID 2809803-8ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 2809803-8
- Sector
- Construction of residential and non-residential buildings
- Municipality
- Helsingfors
- Company form
- Limited company
- Registration date
- 2017-01-30
- Business ID registration date
- 2017-01-24
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Viljatie 4 C 26, 00700, Helsingfors
Website: https://www.castek.fiSource observation
About Rakennuttajatoimisto Castek Oy
Financial position and key figures for the company.
Rakennuttajatoimisto Castek Oy's location municipality is Helsingfors. It is a limited company. The company was established on 2017-01-30. It operates in the industry of construction of residential and non-residential buildings. In its latest retained statement for 2025-06-30, revenue was €1,213,635 and operating profit was €128,114. The latest retained financial statement for 2025-06-30 shows revenue of €1,213,635 and profit for the financial year of €100,839. Based on the latest retained statement, revenue growth was +18.1%, operating margin was +10.6%, and equity ratio was +27.3%.
Financial highlights
Key figures from the latest financial period.
Latest financial period
2025-06-30
4
2
PRH/XBRL financial statement
Derived indicators
Revenue growth18.1%
Operating margin10.6%
Equity ratio27.3%
Balance-sheet contextLatest financial period
Cash and bank€220,744Previous: €128,056
Retained earnings€1,004Previous: -€96,490
Equity€104,343Previous: €36,504
Liabilities€278,435Previous: €267,737
Current assets€382,779Previous: €304,241
Current liabilities€278,435Previous: €267,737
Revenue trend2 periods
€1,027,244
2024-06-30
€1,213,635
2025-06-30
Operating profit (loss) trend2 periods
€165,035
2024-06-30
€128,114
2025-06-30
Profit (loss) for the financial year trend2 periods
€130,494
2024-06-30
€100,839
2025-06-30
Assets trend2 periods
€304,241
2024-06-30
€382,779
2025-06-30
Financial ratios
Financial ratios based on financial statement data. Source: PRH/XBRL-tilinpäätös.
Equity ratioPassable
34/100 · Improving
Current ratioPassable
26/100 · Improving
Operating profit marginGood
76/100 · Declining
Ratio history
| Ratio | 2024-06-30 | 2025-06-30 |
|---|---|---|
| Equity ratio | 12.0 % | 27.3 % |
| Current ratio | 0.48x | 0.79x |
| Operating profit margin | 16.1 % | 10.6 % |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID2809803-8
VAT IDFI28098038
EU IDFIFPRO.2809803-8
MunicipalityHelsingfors
Current registered entries
2017-01-18VAT-liable for business activity in Tax Administration (VAT Register)
2017-01-23Registered in Tax Administration (Prepayment Register)
2017-01-30Registered in Patent and Registration Office (Trade Register)
2017-02-20Registered in Tax Administration (Tax Administration)
2020-09-25Registered in Tax Administration (Employer Register)
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
B1
StableRakennuttajatoimisto Castek Oy
Grade unchangedB1 · new analysis 2026-10-18
67/100
High
Strong financial evidenceFinancial data included
Financial development is mostly stable or mixed.
3 comparable periodsRevenueImproving
SolvencyImproving
LiquidityImproving
Same industryDescriptive comparison – does not change the model score.
308 peersSolvency33%
Below 67% of peers
Profitability71%
Better than 71% of peers
Liquidity62%
Better than 62% of peers
Revenue growth77%
Better than 77% of peers
RegularBased on observed PRH financial period end and registration dates. This descriptive evidence does not change the v0.14 score.
4 observed filings120 days after period end
132 days after period end
4 consecutive periods
Supporting factors
- Strong operating profitability
- Active registered status
- A newer financial statement filing has been reported
Risk factors to note
- Weak current ratio
- Elevated industry distress context
Automatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
5 assessmentsB1
2026-10-1867/100 · v0.15
B1 → B1B1
2026-09-25 17:2767/100 · v0.14
B2 → B1 · +10 points- Evidence strengthened: a PRH/XBRL financial statement was added to the assessment (2025-06-30).
- Assessment confidence: Medium → High.
- Evidence quality: Registry and statistical evidence → Strong financial evidence.
B2
2026-09-1557/100 · v0.14
B2 → B2 · +2 points- Assessment confidence: Low → Medium.
- Evidence quality: Registry and statistical evidence → Registry and statistical evidence.
- New risk factor: Sufficient structured financial metrics are not available.
B2
2026-09-1455/100 · v0.12
Oldest retained automatic assessment in this comparisonB1
2026-10-18
open-risk-grade-v0.15
The grade can use open digital financial statement data together with registry signals.
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 9 years of registry continuity.
Registry and status signalsVakaa
83/100
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
25 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B2 → B1.Risk grade updatedRisk gradeEvidence verified
15 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B2.Risk grade updatedRisk gradeEvidence verified
14 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B2.Registry timeline
Trade register notifications shown on a timeline.
20 register eventsLatest event: 2026-03-11
Financial statements availability
Available financial statement periods and PRH source filings.
4 financial statement periodsLatest financial period: 2025-06-30
Profile source and ownership
Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2026-03-11.
This company profile has not been claimed yet
Rakennuttajatoimisto Castek Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.