Business profile

Promethor Oy

Promethor Oy's registered office is Turku. It is a limited company. The company was established on 1995-05-17. It operates in the industry of other engineering design and technical consultancy incidental to building construction. In its latest retained statement for 2026-05-31, revenue was €1,414,202 and operating profit was €368,598.

Business ID 0996539-4ValidUnclaimed company profile

Trusted core data

Public company details from the trade register.

Business ID
0996539-4
Sector
Other engineering design and technical consultancy incidental to building construction
Municipality
Turku
Company form
Limited company
Registration date
1995-05-17
Business ID registration date
1995-02-28
Business status
Valid
Profile ownership
Unclaimed company profile

Contact and location summary

Visiting address: Rautakatu 5 A 6, 20520, Turku

About Promethor Oy

Financial position and key figures for the company.

Promethor Oy's location municipality is Turku. It is a limited company. The company was established on 1995-05-17. It operates in the industry of other engineering design and technical consultancy incidental to building construction. In its latest retained statement for 2026-05-31, revenue was €1,414,202 and operating profit was €368,598. The latest retained financial statement for 2026-05-31 shows revenue of €1,414,202 and profit for the financial year of €429,415. Based on the latest retained statement, revenue growth was -5.0%, operating margin was +26.1%, and equity ratio was +89.2%.

Financial highlights

Key figures from the latest financial period.

Open full statement
Latest financial period

2026-05-31

Imported periods4
PRH parsed2
Profile sourcePRH/XBRL financial statement
Derived indicators
Revenue growth-5.0%
Operating margin26.1%
Equity ratio89.2%
Revenue€1,414,202-€74,046 (-5.0%) vs previous periodPrevious: €1,488,248
Operating profit (loss)€368,598-€55,546 (-13.1%) vs previous periodPrevious: €424,144
Profit (loss) for the financial year€429,415+€118,822 (+38.3%) vs previous periodPrevious: €310,593
Assets€3,241,911+€205,656 (+6.8%) vs previous periodPrevious: €3,036,255
Balance-sheet contextLatest financial period
Other operating income€105,000Previous: €100,014
Cash and bank€275,963Previous: €303,169
Advances received€13,920Previous: €11,020
Retained earnings€2,456,240Previous: €2,349,346
Equity€2,891,154Previous: €2,665,440
Liabilities€350,756Previous: €370,815
Current assets€1,869,898Previous: €1,663,637
Current liabilities€350,756Previous: €370,815
Revenue trend2 periods
€1,488,248
2025-05-31
€1,414,202
2026-05-31
Operating profit (loss) trend2 periods
€424,144
2025-05-31
€368,598
2026-05-31
Profit (loss) for the financial year trend2 periods
€310,593
2025-05-31
€429,415
2026-05-31
Assets trend2 periods
€3,036,255
2025-05-31
€3,241,911
2026-05-31

Financial ratios

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

Equity ratioGood
100/100 · Improving
89.6 %2025-05-31: 88.1 %
Current ratioPassable
26/100 · Declining
0.79x2025-05-31: 0.82x
Operating profit marginGood
100/100 · Declining
24.3 %2025-05-31: 26.7 %
Ratio history
Ratio2025-05-312026-05-31
Equity ratio88.1 %89.6 %
Current ratio0.82x0.79x
Operating profit margin26.7 %24.3 %

Registry status and identifiers

Current registry information and identifiers based on YTJ data.

YTJ statusValid
Trade RegisterRegistered
Business ID0996539-4
VAT IDFI09965394
EU IDFIFPRO.0996539-4
MunicipalityTurku
Current registered entries
1994-12-01VAT-liable for business activity in Tax Administration (VAT Register)
1995-02-01Registered in Tax Administration (Employer Register)
1995-02-28Registered in Tax Administration (Tax Administration)
1995-03-01Registered in Tax Administration (Prepayment Register)
1995-05-17Registered in Patent and Registration Office (Trade 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 goodPromethor Oy
Grade upgradedB1 → A2 · new analysis 2026-10-03
Model score82/100
Assessment confidenceHigh
Evidence qualityStrong financial evidenceFinancial data included
Financial trajectoryFinancial development is mostly stable or mixed.
3 comparable periods
RevenueStable
ProfitabilityStable
SolvencyStable
LiquidityStable
Peer comparisonSame size nationallyDescriptive comparison – does not change the model score.
97 peers
Solvency94%
Better than 94% of peers
Profitability95%
Better than 95% of peers
Liquidity68%
Better than 68% of peers
Revenue growth26%
Below 74% 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 lag107 days after period end
Typical registration lag112 days after period end
Annual continuity4 consecutive periods
Supporting factors
  • Strong equity ratio
  • Strong operating profitability
  • Active registered status
Risk factors to note
  • Weak current ratio
Rating historyAutomatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
4 assessments
A2
2026-10-03 00:2082/100 · v0.14
B1 → A2 · +13 points
  • Evidence strengthened: a PRH/XBRL financial statement was added to the assessment (2026-05-31).
  • Assessment confidence: Medium → High.
  • Evidence quality: Registry and statistical evidence → Strong financial evidence.
B1
2026-09-1569/100 · v0.14
B1 → B1 · +7 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
2026-09-1462/100 · v0.12
Oldest retained automatic assessment in this comparison
Automatic model gradeA2
Automatic model snapshot2026-10-03
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 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
86/100

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
3 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1 → A2.
Financial statement availableFinancialEvidence verified
15 Sept 2026 · PRH / XBRLFinancial period ends 2026-05-31.
Financial statements registeredFinancialEvidence verified
15 Sept 2026 · PRH / KREKFINANCIAL STATEMENTS
Risk grade updatedRisk gradeEvidence verified
15 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.
Risk grade updatedRisk gradeEvidence verified
14 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.

Registry timeline

Trade register notifications shown on a timeline.

23 register eventsLatest event: 2026-09-15

Financial statements availability

Available financial statement periods and PRH source filings.

4 financial statement periodsLatest financial period: 2026-05-31

Profile source and ownership

Profile based on public registry data
BUSINESS.fi has created this profile from public company information. Source data updated 2026-04-03.

This company profile has not been claimed yet

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