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.

Claim profileContact details
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
Data source
Public registry data

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: registry data

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

Imported periods0
PRH parsed0
Profile sourceEnriched source observation
Derived indicators
Revenue growth-6.3%
Operating margin-14.0%
Equity ratio28.2%
Balance-sheet contextLatest retained period snapshot
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
28.2 %2024-07-31: 45.5 %
Current ratioNot assessable
0/100 · Trend unavailable
Not available2024-07-31: Ei saatavilla
Operating profit marginWeak
15/100 · Declining
-14.0 %2024-07-31: 2.5 %
Ratio history
Ratio2021-07-312022-07-312023-07-312024-07-312025-07-31
Equity ratio62.2 %56.1 %59.0 %45.5 %28.2 %
Current ratio-----
Operating profit margin5.8 %0.0 %2.9 %2.5 %-14.0 %

Registry status and identifiers

Verified registry memberships and identifiers from the latest retained YTJ snapshot.

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

Financial data includedNot a credit decision
B2
SatisfactorySuunnittelutoimisto Hiili & Timantti Oy
Updated2026-08-30
ConfidenceMedium
Score58/100

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

Risk context

When open digital financial statements are unavailable, 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
65/100

Registry history, filing recency, and active register markings are still limited or mixed.

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.