Business profile

Sähköasennus Tammisto Oy

Sähköasennus Tammisto Oy's registered office is Vahto. It is a limited company. The company was established on 2005-10-14. It operates in the industry of electrical installation. In its latest retained statement for 2025-12-31, revenue was €1,984,469 and operating profit was €240,911.

Claim profileContact details
Business ID 1992408-6ValidUnclaimed company profile

Trusted core data

Public company details from the trade register.

Business ID
1992408-6
Sector
Electrical installation
Municipality
Vahto
Company form
Limited company
Registration date
2005-10-14
Business ID registration date
2005-10-05
Business status
Valid
Profile ownership
Unclaimed company profile

Contact and location summary

Visiting address: Haapavuorentie 156, 21310, Vahto

Phone: +358400829249Source observation

Email: [email protected]Source observation

Website: https://www.sahkoasennuksia.comSource observation

Facebook profile: https://www.facebook.com/sahkoasennustammisto/?locale=fi_FISource: company website

People and decision-makers

Tammisto Miikka TapioToimitusjohtaja

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

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

Petri TammistoYrittäjä

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 Sähköasennus Tammisto Oy

Financial position and key figures for the company.

Sähköasennus Tammisto Oy's location municipality is Vahto. It is a limited company. The company was established on 2005-10-14. It operates in the industry of electrical installation. In its latest retained statement for 2025-12-31, revenue was €1,984,469 and operating profit was €240,911. The latest retained financial statement for 2025-12-31 shows revenue of €1,984,469 and profit for the financial year of €192,076. Based on the latest retained statement, revenue growth was +32.1%, operating margin was +12.1%, and equity ratio was +72.7%.

Auxiliary business names

Public alternate names materialized from source observations.

Sähkö Tammisto

Extended business activity

A longer directory- or registry-backed activity description that complements the short registry industry label.

Yhtiön toimiala on sähköurakointi, sähkölaitteiden korjaus ja huolto, suunnittelu, sähkötarvikkeiden myynti, sähköalan konsultointi ja tarkastuspalvelu.

Financial highlights

Key figures from the latest financial period.

Latest financial period

2025-12-31

Imported periods0
PRH parsed0
Profile sourceEnriched source observation
Derived indicators
Revenue growth32.1%
Operating margin12.1%
Equity ratio72.7%
Revenue€1,984,469+€482,452 (+32.1%) vs previous periodPrevious: €1,502,017
Operating profit (loss)€240,911+€28,234 (+13.3%) vs previous periodPrevious: €212,677
Profit (loss) for the financial year€192,076+€16,265 (+9.3%) vs previous periodPrevious: €175,811
Assets€1,538,970+€339,199 (+28.3%) vs previous periodPrevious: €1,199,772
Balance-sheet contextLatest financial period
Profit before taxes€240,272Previous: €220,255
Employees14Previous: 11
Revenue trend5 periods
€1,221,670
2021-12-31
€1,452,144
2022-12-31
€1,345,546
2023-12-31
€1,502,017
2024-12-31
€1,984,469
2025-12-31
Operating profit (loss) trend5 periods
€250,690
2021-12-31
€150,213
2022-12-31
€192,017
2023-12-31
€212,677
2024-12-31
€240,911
2025-12-31
Profit (loss) for the financial year trend5 periods
€200,523
2021-12-31
€119,885
2022-12-31
€152,950
2023-12-31
€175,811
2024-12-31
€192,076
2025-12-31
Assets trend5 periods
€970,793
2021-12-31
€1,021,748
2022-12-31
€1,077,166
2023-12-31
€1,199,772
2024-12-31
€1,538,970
2025-12-31

Financial ratios

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

Equity ratioGood
91/100 · Declining
72.7 %2024-12-31: 83.9 %
Current ratioNot assessable
0/100 · Trend unavailable
Not available2024-12-31: Ei saatavilla
Operating profit marginGood
80/100 · Declining
12.1 %2024-12-31: 14.2 %
Ratio history
Ratio2021-12-312022-12-312023-12-312024-12-312025-12-31
Equity ratio79.5 %81.2 %83.8 %83.9 %72.7 %
Current ratio-----
Operating profit margin20.5 %10.3 %14.3 %14.2 %12.1 %

Registry status and identifiers

Current registry information and identifiers based on YTJ data.

YTJ statusValid
Trade RegisterRegistered
Business ID1992408-6
VAT IDFI19924086
EU IDFIFPRO.1992408-6
MunicipalityVahto
Current registered entries
2005-10-14Registered in Tax Administration (Employer Register)
2005-10-14VAT-liable for business activity in Tax Administration (VAT Register)
2005-10-14Registered in Tax Administration (Prepayment Register)
2005-10-14Registered in Patent and Registration Office (Trade Register)
2005-10-21Registered in Tax Administration (Tax Administration)

Responsible people

Public role relationships materialized from source observations.

Direct contact details available for logged-in users.

Tammisto Miikka TapioToimitusjohtajaSources: 6 · Confidence: 78%
Petri TammistoYrittäjäSources: 1 · Confidence: 78%
Tammisto Petri TapioPuheenjohtajaSources: 5 · Confidence: 78%
Tammisto Meri JohannaVarsinainen jäsenSources: 4 · Confidence: 78%
Tammisto Miikka TapioVarsinainen jäsenSources: 2 · Confidence: 78%
Rossi Janne OlaviTilintarkastajaSources: 2 · Confidence: 78%
Tammisto Miro RikhardVarsinainen jäsenSources: 2 · Confidence: 78%

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
A3
GoodSähköasennus Tammisto Oy
Grade upgradedB1 → A3 · new analysis 2026-10-19
Model score78/100
Assessment confidenceMedium
Evidence qualityUsable financial evidenceFinancial data included
Financial trajectoryFinancial development is mostly stable or mixed.
4 comparable periods
RevenueImproving · 2 consecutive periods
ProfitabilityStable
SolvencyDeteriorating
LiquidityNot enough history
Peer comparisonSame industry, size and age groupDescriptive comparison – does not change the model score.
87 peers
Solvency77%
Better than 77% of peers
Profitability81%
Better than 81% of peers
Revenue growth85%
Better than 85% of peers
Supporting factors
  • Strong equity ratio
  • Strong operating profitability
  • Active registered status
Risk factors to note
  • Elevated industry distress context
Rating historyAutomatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
2 assessments
A3
2026-10-1978/100 · v0.15
B1 → A3 · +15 points
  • Revenue: Not enough history → Improving
  • Profitability: Not enough history → Stable
  • Solvency: Not enough history → Deteriorating
B1
2026-09-2763/100 · v0.14
Oldest retained automatic assessment in this comparison
Automatic model gradeA3
Automatic model snapshot2026-10-19
Automatic model versionopen-risk-grade-v0.15
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 riskelevated
38/100

Industry context is elevated based on normalized open statistical inputs.

Age and continuityVakiintunut
80/100

The company has about 21 years of registry continuity.

Registry and status signalsVakaa
84/100

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
19 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade A3.
Risk grade updatedRisk gradeEvidence verified
27 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.

Registry timeline

Trade register notifications shown on a timeline.

18 register eventsLatest event: 2026-06-10

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

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