Business profile

Oy Sigma Ab

Oy Sigma Ab's registered office is Helsingfors. It is a limited company. The company was established on 1953-08-28. It operates in the industry of business and other management consultancy activities. In its latest retained statement for 2025-12-31, revenue was €66,530 and operating profit was €24,992.

Business ID 0202742-6ValidUnclaimed company profile

Trusted core data

Public company details from the trade register.

Business ID
0202742-6
Sector
Business and other management consultancy activities
Municipality
Helsingfors
Company form
Limited company
Registration date
1953-08-28
Business ID registration date
1978-06-30
Business status
Valid
Profile ownership
Unclaimed company profile

Contact and location summary

Visiting address: Fabriksgatan 4 A 6, 00140, Helsingfors

About Oy Sigma Ab

Financial position and key figures for the company.

Oy Sigma Ab's location municipality is Helsingfors. It is a limited company. The company was established on 1953-08-28. It operates in the industry of business and other management consultancy activities. In its latest retained statement for 2025-12-31, revenue was €66,530 and operating profit was €24,992. The latest retained financial statement for 2025-12-31 shows revenue of €66,530 and profit for the financial year of €303,412. Based on the latest retained statement, revenue growth was -73.0%, operating margin was +37.6%, and equity ratio was +99.8%.

Financial highlights

Key figures from the latest financial period.

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Latest financial period

2025-12-31

Imported periods4
PRH parsed2
Profile sourcePRH/XBRL financial statement
Derived indicators
Revenue growth-73.0%
Operating margin37.6%
Equity ratio99.8%
Revenue€66,530-€179,750 (-73.0%) vs previous periodPrevious: €246,280
Operating profit (loss)€24,992-€6,658 (-21.0%) vs previous periodPrevious: €31,650
Profit (loss) for the financial year€303,412+€98,057 (+47.7%) vs previous periodPrevious: €205,355
Assets€1,802,944+€250,893 (+16.2%) vs previous periodPrevious: €1,552,051
Balance-sheet contextLatest financial period
Inventory€130,666Previous: €114,248
Cash and bank€25,619Previous: €166
Retained earnings-€129,317Previous: -€334,672
Equity€1,798,878Previous: €1,552,051
Liabilities€4,065Previous: €0
Current assets€186,641Previous: €124,613
Current liabilities€4,065Previous: €0
Revenue trend2 periods
€246,280
2024-12-31
€66,530
2025-12-31
Operating profit (loss) trend2 periods
€31,650
2024-12-31
€24,992
2025-12-31
Profit (loss) for the financial year trend2 periods
€205,355
2024-12-31
€303,412
2025-12-31
Assets trend2 periods
€1,552,051
2024-12-31
€1,802,944
2025-12-31

Financial ratios

Financial ratios based on financial statement data. Source: PRH/XBRL-tilinpäätös.

Equity ratioGood
100/100 · Declining
99.8 %2024-12-31: 100.0 %
Current ratioGood
100/100 · Trend unavailable
38.44x2024-12-31: Ei saatavilla
Operating profit marginGood
100/100 · Improving
37.6 %2024-12-31: 12.8 %
Ratio history
Ratio2024-12-312025-12-31
Equity ratio100.0 %99.8 %
Current ratio-38.44x
Operating profit margin12.8 %37.6 %

Registry status and identifiers

Current registry information and identifiers based on YTJ data.

YTJ statusValid
Trade RegisterRegistered
Business ID0202742-6
EU IDFIFPRO.0202742-6
MunicipalityHelsingfors
Current registered entries
1953-08-28Registered in Patent and Registration Office (Trade Register)
1978-06-30Registered in Tax Administration (Tax Administration)
1995-03-01Registered in Tax Administration (Prepayment 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
A2
Very goodOy Sigma Ab
Grade upgradedA3 → A2 · new analysis 2026-09-18
Model score84/100
Assessment confidenceHigh
Evidence qualityStrong financial evidenceFinancial data included
Financial trajectoryFinancial development is mostly stable or mixed.
3 comparable periods
RevenueDeteriorating
ProfitabilityImproving
SolvencyStable
LiquidityNot enough history
Peer comparisonSame size nationallyDescriptive comparison – does not change the model score.
164 peers
Solvency93%
Better than 93% of peers
Profitability82%
Better than 82% of peers
Liquidity96%
Better than 96% of peers
Revenue growth13%
Below 87% of peers
Financial statement reporting patternRegularBased on observed PRH financial period end and registration dates. This descriptive evidence does not change the v0.14 score.
4 observed filings
Latest registration lag115 days after period end
Typical registration lag111 days after period end
Annual continuity4 consecutive periods
Supporting factors
  • Strong equity ratio
  • Strong operating profitability
  • Healthy short-term liquidity
Risk factors to note
  • Sharp year-over-year revenue drop
Rating historyAutomatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
5 assessments
A2
2026-09-18 11:2384/100 · v0.14
A3 → A2 · +6 points
  • Evidence strengthened: a PRH/XBRL financial statement was added to the assessment (2025-12-31).
  • Assessment confidence: Medium → High.
  • Evidence quality: Registry and statistical evidence → Strong financial evidence.
A3
2026-09-1478/100 · v0.14
A3 → A3
A3
2026-09-1478/100 · v0.13
B1 → A3 · +14 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.
B1
2026-09-1364/100 · v0.12
Oldest retained automatic assessment in this comparison
Automatic model gradeA2
Automatic model snapshot2026-09-18
Automatic model versionopen-risk-grade-v0.14
Financial data included

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

Verify assessment

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 risklow
72/100

Industry context is low based on normalized open statistical inputs.

Age and continuityVakiintunut
97/100

The company has about 73 years of registry continuity.

Registry and status signalsVakaa
78/100

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
18 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade A3 → A2.
Risk grade updatedRisk gradeEvidence verified
14 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade A3.

Registry timeline

Trade register notifications shown on a timeline.

24 register eventsLatest event: 2026-04-25

Financial statements availability

Available financial statement periods and PRH source filings.

4 financial statement periodsLatest financial period: 2025-12-31

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

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