Risk grade updatedRisk gradeEvidence verified
21 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade C.Business profile
Arktium Oy
Arktium Oy's registered office is Turku. It is a limited company. The company was established on 2006-12-29. It operates in the industry of intermediation service activities for real estate activities. In its latest retained statement for 2025-05-31, revenue was €0 and operating profit was -€87.
Business ID 2075225-0ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 2075225-0
- Sector
- Intermediation service activities for real estate activities
- Municipality
- Turku
- Company form
- Limited company
- Registration date
- 2006-12-29
- Business ID registration date
- 2006-11-17
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Käsityöläiskatu 4 A, 20100, Turku
Phone: +358442820038Source observation
Email: [email protected]Source observation
Website: https://www.solidhouse.fiSource observation
Linkedin profile: https://www.linkedin.com/company/solid-house-oy-lkvSource: company website
Youtube profile: https://www.youtube.com/channel/UCu3AOc4mpyyrc1MRLLrHNKwSource: company website
Facebook profile: https://www.facebook.com/solidhouselkvSource: company website
Instagram profile: https://www.instagram.com/solidhouselkvSource: company website
Instagram profile: https://www.instagram.com/solidhouseporiSource: company website
Facebook profile: https://www.facebook.com/SolidhouseporiSource: company website
Instagram profile: https://www.instagram.com/solidhouseturkuSource: company website
Facebook profile: https://www.facebook.com/SolidhouseturkuSource: company website
Instagram profile: https://www.instagram.com/solidhousehelsinkiSource: company website
Facebook profile: https://www.facebook.com/SolidhouseHelsinkiSource: company website
People and decision-makers
Lahervo Kalle JohanToimitusjohtaja
About Arktium Oy
Financial position and key figures for the company.
Arktium Oy's location municipality is Turku. It is a limited company. The company was established on 2006-12-29. It operates in the industry of intermediation service activities for real estate activities. In its latest retained statement for 2025-05-31, revenue was €0 and operating profit was -€87. The latest retained financial statement for 2025-05-31 shows revenue of €0 and profit for the financial year of -€159. Based on the latest retained statement, revenue growth was -100.0%, operating margin was not currently available, and equity ratio was +85.6%.
Auxiliary business names
Public alternate names materialized from source observations.
Solid House Invest
Financial highlights
Key figures from the latest financial period.
Latest financial period
2025-05-31
0
0
Source observation
Derived indicators
Revenue growth-100.0%
Equity ratio85.6%
Revenue€0-€4,365 (-100.0%) vs previous periodPrevious: €4,365
Operating profit (loss)-€87+€326 (+79.0%) vs previous periodPrevious: -€412
Profit (loss) for the financial year-€159+€401 (+71.6%) vs previous periodPrevious: -€560
Assets€641-€152 (-19.2%) vs previous periodPrevious: €793
Balance-sheet contextLatest financial period
Profit before taxes-€159Previous: -€560
Employees5Previous: No comparison value
Revenue trend5 periods
€2,180
2021-05-31
€21,419
2022-05-31
€100,673
2023-05-31
€4,365
2024-05-31
€0
2025-05-31
Operating profit (loss) trend5 periods
€1,771
2021-05-31
€8,570
2022-05-31
€36,695
2023-05-31
-€412
2024-05-31
-€87
2025-05-31
Profit (loss) for the financial year trend5 periods
€447
2021-05-31
€926,541
2022-05-31
€30,068
2023-05-31
-€560
2024-05-31
-€159
2025-05-31
Assets trend5 periods
€93
2021-05-31
€1,645
2022-05-31
€14,282
2023-05-31
€793
2024-05-31
€641
2025-05-31
Additional financial figures
The company's financial figures across different years.
| Metric | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
| Revenue | - | €0 | €4,365 | €100,673 | €21,419 | €2,180 |
| Revenue growth | - | - | -95,7 % | 370 % | 882,2 % | -69,3 % |
| Operating profit | - | -€87 | -€412 | €36,695 | €8,570 | €1,771 |
| EBIT margin | - | - | -9,4 % | 36,2 % | 38,2 % | 73,4 % |
| Profit for the financial year | - | -€159 | -€560 | €30,068 | €926,541 | €447 |
| Profit before taxes | - | -€159 | -€560 | €36,425 | €7,265 | €447 |
| Equity ratio | - | 85,6 % | 89,3 % | 54,4 % | -1 355,3 % | -31 733,1 % |
| Balance sheet total | - | €641 | €793 | €14,282 | €1,645 | €93 |
| Employees | 4 | 5 | - | - | - | - |
Financial ratios
Financial ratios based on financial statement data. Source: Lähdehavainto.
Equity ratioGood
100/100 · Declining
Current ratioNot assessable
0/100 · Trend unavailable
Operating profit marginNot assessable
0/100 · Trend unavailable
Ratio history
| Ratio | 2021-05-31 | 2022-05-31 | 2023-05-31 | 2024-05-31 | 2025-05-31 |
|---|---|---|---|---|---|
| Equity ratio | -31733.0 % | -1355.3 % | 54.4 % | 89.3 % | 85.6 % |
| Current ratio | - | - | - | - | - |
| Operating profit margin | 73.4 % | 38.2 % | 36.2 % | -9.4 % | - |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID2075225-0
VAT IDFI20752250
EU IDFIFPRO.2075225-0
MunicipalityTurku
Current registered entries
2006-11-22Registered in Tax Administration (Tax Administration)
2006-12-29Registered in Patent and Registration Office (Trade Register)
2011-08-26VAT-liable for business activity in Tax Administration (VAT Register)
2011-08-26Registered in Tax Administration (Prepayment Register)
2025-09-04Registered in Tax Administration (Employer Register)
Responsible people
Public role relationships materialized from source observations.
Lahervo Kalle JohanToimitusjohtajaSources: 5 · Confidence: 78%
Tiittanen Mika OlaviPuheenjohtajaSources: 5 · Confidence: 78%
Mytty Mika UoleviVarsinainen jäsenSources: 3 · Confidence: 78%
Lahervo Kalle JohanVarsinainen jäsenSources: 2 · Confidence: 78%
Männik SiimVarsinainen jäsenSources: 3 · Confidence: 78%
Mika MyttyMyyntijohtaja. Kiinteistönvälittäjä LKV. KiATSources: 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 riskArktium Oy
Grade downgradedB1 → C · new analysis 2026-10-21
39/100
Medium
Limited financial evidenceRegistry and statistics based
Financial development is mostly stable or mixed.
4 comparable periodsProfitabilityNot enough history
SolvencyImproving
LiquidityNot enough history
Supporting factors
- Company context reduces the weight of an isolated financial signal
- Active registered status
- A newer financial statement filing has been reported
Risk factors to note
- Sufficient structured financial metrics are not available
Automatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
2 assessmentsC
2026-10-2139/100 · v0.15
B1 → C · -29 points- Assessment confidence: Low → Medium.
- Evidence quality: Usable financial evidence → Limited financial evidence.
- New risk factor: Sufficient structured financial metrics are not available.
B1
2026-09-1768/100 · v0.14
Oldest retained automatic assessment in this comparisonC
2026-10-21
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 riskmedium
53/100
Industry context is medium based on normalized open statistical inputs.
Age and continuityVakiintunut
80/100
The company has about 19 years of registry continuity.
Registry and status signalsVakaa
87/100
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
17 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.Registry timeline
Trade register notifications shown on a timeline.
27 register eventsLatest event: 2026-02-10
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
Arktium Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.