Risk grade updatedRisk gradeEvidence verified
19 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B2.Business profile
Suunnittelutoimisto Hiili & Timantti Oy
Suunnittelutoimisto Hiili & Timantti Oy's registered office is Kuopio. It is a limited company. The company was established on 2019-03-18. It operates in the industry of interior design activities. In its latest retained statement for 2025-07-31, revenue was €133,737 and operating profit was -€18,749.
Business ID 2986442-7ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 2986442-7
- Sector
- Interior design activities
- Municipality
- Kuopio
- Company form
- Limited company
- Registration date
- 2019-03-18
- Business ID registration date
- 2019-02-28
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Lapinlinnankuja 2, 70110, Kuopio
Postal address: Puijonsarventie 56 B 11, 70260, Kuopio
Phone: +358505982867Source observation
Website: https://www.hiilijatimantti.fiSource observation
Instagram profile: https://www.instagram.com/hiilijatimanttiSource: company website
Facebook profile: https://www.facebook.com/suunnittelutoimistohiilijatimanttiSource: company website
People and decision-makers
Mielonen Tiina SusannaToimitusjohtaja
Email: Email available for logged-in usersSource: company website
Phone: Phone available for logged-in usersSource: company website
Salli PasanenDecision-maker
Email: Email available for logged-in usersSource: company website
Salli SaukonojaDecision-maker
Email: Email available for logged-in usersSource: company website
Phone: Phone available for logged-in usersSource: company website
Martti MustonenDecision-maker
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 Suunnittelutoimisto Hiili & Timantti Oy
Financial position and key figures for the company.
Suunnittelutoimisto Hiili & Timantti Oy's location municipality is Kuopio. It is a limited company. The company was established on 2019-03-18. It operates in the industry of interior design activities. In its latest retained statement for 2025-07-31, revenue was €133,737 and operating profit was -€18,749. The latest retained financial statement for 2025-07-31 shows revenue of €133,737 and profit for the financial year of -€18,717. Based on the latest retained statement, revenue growth was -6.3%, operating margin was -14.0%, and equity ratio was +28.2%.
Financial highlights
Key figures from the latest financial period.
Latest financial period
2025-07-31
0
0
Enriched source observation
Derived indicators
Revenue growth-6.3%
Operating margin-14.0%
Equity ratio28.2%
Revenue€133,737-€9,045 (-6.3%) vs previous periodPrevious: €142,782
Operating profit (loss)-€18,749-€22,277 (-631.5%) vs previous periodPrevious: €3,527
Profit (loss) for the financial year-€18,717-€21,562 (-757.9%) vs previous periodPrevious: €2,845
Assets€20,611-€33,317 (-61.8%) vs previous periodPrevious: €53,928
Balance-sheet contextLatest financial period
Profit before taxes-€18,717Previous: €3,572
Employees1Previous: 1
Revenue trend5 periods
€161,265
2021-07-31
€199,596
2022-07-31
€164,667
2023-07-31
€142,782
2024-07-31
€133,737
2025-07-31
Operating profit (loss) trend5 periods
€9,497
2021-07-31
€57
2022-07-31
€4,805
2023-07-31
€3,527
2024-07-31
-€18,749
2025-07-31
Profit (loss) for the financial year trend5 periods
€7,470
2021-07-31
-€214
2022-07-31
€3,858
2023-07-31
€2,845
2024-07-31
-€18,717
2025-07-31
Assets trend5 periods
€34,236
2021-07-31
€34,554
2022-07-31
€39,396
2023-07-31
€53,928
2024-07-31
€20,611
2025-07-31
Financial ratios
Financial ratios based on financial statement data. Source: Rikastettu lähdehavainto.
Equity ratioPassable
35/100 · Declining
Current ratioNot assessable
0/100 · Trend unavailable
Operating profit marginWeak
15/100 · Declining
Ratio history
| Ratio | 2021-07-31 | 2022-07-31 | 2023-07-31 | 2024-07-31 | 2025-07-31 |
|---|---|---|---|---|---|
| Equity ratio | 62.2 % | 56.1 % | 59.0 % | 45.5 % | 28.2 % |
| Current ratio | - | - | - | - | - |
| Operating profit margin | 5.8 % | 0.0 % | 2.9 % | 2.5 % | -14.0 % |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID2986442-7
VAT IDFI29864427
EU IDFIFPRO.2986442-7
MunicipalityKuopio
Current registered entries
2019-02-28VAT-liable for business activity in Tax Administration (VAT Register)
2019-02-28Registered in Tax Administration (Prepayment Register)
2019-03-18Registered in Tax Administration (Tax Administration)
2019-03-18Registered in Patent and Registration Office (Trade Register)
Responsible people
Public role relationships materialized from source observations.
Direct contact details available for logged-in users.
Mielonen Tiina SusannaToimitusjohtajaSources: 4 · Confidence: 78%
Mielonen Tiina SusannaVarsinainen jäsenSources: 2 · Confidence: 78%
Liinu MielonenHallitus: varajäsenSources: 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
B2
SatisfactorySuunnittelutoimisto Hiili & Timantti Oy
Grade unchangedB2 · new analysis 2026-10-19
53/100
Medium
Usable financial evidenceFinancial data included
Several key financial indicators have weakened across comparable fiscal periods.
4 comparable periodsLiquidityNot enough history
Same industry, size and age groupDescriptive comparison – does not change the model score.
49 peersSolvency31%
Below 69% of peers
Profitability4%
Below 96% of peers
Revenue growth27%
Below 73% of peers
Supporting factors
- Active registered status
- A newer financial statement filing has been reported
- Lower industry distress context
Risk factors to note
- Negative profitability or net result
- Coordinated deterioration across 3 financial domains
Automatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
2 assessmentsB2
2026-10-1953/100 · v0.15
B2 → B2- Evidence quality: Strong financial evidence → Usable financial evidence.
B2
2026-10-0553/100 · v0.14
Oldest retained automatic assessment in this comparisonB2
2026-10-19
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 risklow
82/100
Industry context is low based on normalized open statistical inputs.
Age and continuityHyvä
60/100
The company has about 7 years of registry continuity.
Registry and status signalsSeurattava
64/100
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
5 Oct 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B2.Registry timeline
Trade register notifications shown on a timeline.
11 register eventsLatest event: 2025-12-03
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
Suunnittelutoimisto Hiili & Timantti Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.