Risk grade updatedRisk gradeEvidence verified
18 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1 → A3.Business profile
Thero Design Oy
Thero Design Oy's registered office is Lahti. It is a limited company. The company was established on 2016-03-24. It operates in the industry of other activities of advertising agencies. In its latest retained statement for 2025-12-31, revenue was €88,945 and operating profit was €13,226.
Business ID 2753574-2ValidUnclaimed company profile
Trusted core data
Public company details from the trade register.
- Business ID
- 2753574-2
- Sector
- Other activities of advertising agencies
- Municipality
- Lahti
- Company form
- Limited company
- Registration date
- 2016-03-24
- Business ID registration date
- 2016-03-21
- Business status
- Valid
- Profile ownership
- Unclaimed company profile
Contact and location summary
Visiting address: Rautatienkatu 20, 15110, Lahti
Phone: +358451216300Source observation
Email: [email protected]Source observation
Website: https://www.therodesign.fiSource observation
People and decision-makers
Nieminen Tero OlaviVarsinainen jäsen
Nieminen Olli IlmariProkuristi
Piikkilä-Nieminen Maarit AnniinaProkuristi
About Thero Design Oy
Financial position and key figures for the company.
Thero Design Oy's location municipality is Lahti. It is a limited company. The company was established on 2016-03-24. It operates in the industry of other activities of advertising agencies. In its latest retained statement for 2025-12-31, revenue was €88,945 and operating profit was €13,226. The latest retained financial statement for 2025-12-31 shows revenue of €88,945 and profit for the financial year of €19,918. Based on the latest retained statement, revenue growth was -35.4%, operating margin was +10.1%, and equity ratio was +96.9%.
Auxiliary business names
Public alternate names materialized from source observations.
Wind & Waves
Extended business activity
A longer directory- or registry-backed activity description that complements the short registry industry label.
Yhtiön toimiala on 73111 Mainostoimistot. Urheilutarvikkeiden tukku- ja vähittäiskauppa, myynti, markkinointi. Urheilutarvikkeiden välineiden vuokraus. Vesiurheilukoulutus.
Financial highlights
Key figures from the latest financial period.
Latest financial period
2025-12-31
5
2
Combined source
Derived indicators
Revenue growth-35.4%
Operating margin10.1%
Equity ratio96.9%
Balance-sheet contextLatest financial period
Other operating income€42,564Previous: €29,181
Inventory€23,966Previous: €32,689
Cash and bank€27,312Previous: €13,547
Retained earnings€173,005Previous: €190,111
Profit before taxes€19,917Previous: -€1,846
Equity€195,422Previous: €190,765
Liabilities€6,163Previous: €7,080
Current assets€148,833Previous: €137,794
Current liabilities€6,163Previous: €7,080
Employees1Previous: 3
Revenue trend5 periods
€237,915
2021-12-31
€212,185
2022-12-31
€140,684
2023-12-31
€137,750
2024-12-31
€88,945
2025-12-31
Operating profit (loss) trend5 periods
€15,117
2021-12-31
€201,290
2022-12-31
-€37,008
2023-12-31
-€3,062
2024-12-31
€13,226
2025-12-31
Profit (loss) for the financial year trend5 periods
€13,518
2021-12-31
€167,455
2022-12-31
-€33,675
2023-12-31
-€1,847
2024-12-31
€19,918
2025-12-31
Assets trend5 periods
€144,135
2021-12-31
€275,769
2022-12-31
€220,123
2023-12-31
€197,845
2024-12-31
€201,585
2025-12-31
Financial ratios
Financial ratios based on financial statement data. Source: Yhdistetty lähde.
Equity ratioGood
100/100 · Improving
Current ratioGood
100/100 · Improving
Operating profit marginGood
75/100 · Improving
Ratio history
| Ratio | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|---|
| Equity ratio | 87.6 % | 97.9 % | 97.5 % | 96.4 % | 96.9 % |
| Current ratio | - | - | - | 6.53x | 8.32x |
| Operating profit margin | 6.2 % | 46.6 % | -23.4 % | -1.8 % | 10.1 % |
Registry status and identifiers
Current registry information and identifiers based on YTJ data.
YTJ statusValid
Trade RegisterRegistered
Business ID2753574-2
VAT IDFI27535742
EU IDFIFPRO.2753574-2
MunicipalityLahti
Current registered entries
2016-03-24Registered in Patent and Registration Office (Trade Register)
2016-03-31Registered in Tax Administration (Tax Administration)
2016-04-01VAT-liable for business activity in Tax Administration (VAT Register)
2016-04-01Registered in Tax Administration (Prepayment Register)
2016-11-01Registered in Tax Administration (Employer Register)
Responsible people
Public role relationships materialized from source observations.
Nieminen Tero OlaviVarsinainen jäsenSources: 3 · Confidence: 78%
Nieminen Olli IlmariProkuristiSources: 1 · Confidence: 78%
Piikkilä-Nieminen Maarit AnniinaProkuristiSources: 1 · Confidence: 78%
Tero NieminenChair of the Board, Designer / graphic production specialistSources: 1 · Confidence: 76%
Olli NieminenHallitus: 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
A3
GoodThero Design Oy
Grade upgradedB1 → A3 · new analysis 2026-09-18
78/100
High
Strong financial evidenceFinancial data included
Financial development is mostly stable or mixed.
3 comparable periodsProfitabilityImproving
SolvencyStable
LiquidityImproving
Same size nationallyDescriptive comparison – does not change the model score.
117 peersSolvency85%
Better than 85% of peers
Profitability62%
Better than 62% of peers
Liquidity92%
Better than 92% of peers
Revenue growth20%
Below 80% of peers
RegularBased on observed PRH financial period end and registration dates. This descriptive evidence does not change the v0.14 score.
4 observed filings69 days after period end
74 days after period end
4 consecutive periods
Supporting factors
- Strong equity ratio
- Strong operating profitability
- Healthy short-term liquidity
Risk factors to note
- Sharp year-over-year revenue drop
Automatic assessment developmentChanges are derived from evidence differences between persisted automatic assessments.
5 assessmentsA3
2026-09-18 08:2178/100 · v0.14
B1 → A3 · +11 points- Evidence strengthened: a PRH/XBRL financial statement was added to the assessment (2025-12-31).
- Assessment confidence: Medium → High.
- Evidence quality: Registry and statistical evidence → Strong financial evidence.
B1
2026-09-1467/100 · v0.14
B1 → B1B1
2026-09-1467/100 · v0.13
B1 → B1 · +6 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
2026-09-1361/100 · v0.12
Oldest retained automatic assessment in this comparisonA3
2026-09-18
open-risk-grade-v0.14
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 riskmedium
60/100
Industry context is medium based on normalized open statistical inputs.
Age and continuityVakiintunut
80/100
The company has about 10 years of registry continuity.
Registry and status signalsVakaa
78/100
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
14 Sept 2026 · BUSINESS.fi / Opterom LuottoluokitusAutomatic grade B1.Registry timeline
Trade register notifications shown on a timeline.
17 register eventsLatest event: 2026-03-10
Financial statements availability
Available financial statement periods and PRH source filings.
5 financial statement periodsLatest financial period: 2025-12-31
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
Thero Design Oy shows public core facts. A company representative can claim the profile, update public information, and access owner tools.