Solarstone Infra OÜ

Active Registry code 14811908 OÜ Viljandi linn Registered 24 Sep 2019
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Solarstone Infra OÜ is a OÜ based in Viljandi linn, registry code 14811908, status: active. Main activity: Other engineering-technical activities. Its annual report for 2025 shows revenue of €0 and 1 employees.

Turnover
—
State taxes
5 890 €
↓ 2.5% vs Q2 2026
Labour taxes
6 404 €
↓ 2.5% vs Q2 2026
Employees
1
±0 vs Q2 2026

Q3 2026 · data from the Tax and Customs Board (EMTA)

Position in the industry Architectural and engineering activities; technical testing and analysis · EMTAK 71

  • Labour taxes per employee 6 404 €
    industry median 1 751 € · companies in the industry: 1 910
  • Revenue · 2025 0 €
    industry median 23 548 € · companies in the industry: 4 824

Taxes and turnover

Q4 2023 – Q3 2026
Labour taxes per employee, € Q3 2026: 6 404 € · −2.5% vs Q2 2026 · industry median 1 751 € · above 98% of the industry
05 00010 00015 00020 000Q4 2023 Company: 16 379 € Industry median: 1 648 €Q4·23Q1 2024 Company: 7 269 € Industry median: 1 639 €Q2 2024 Company: 5 951 € Industry median: 1 671 €Q2·24Q3 2024 Company: 5 951 € Industry median: 1 753 €Q4 2024 Company: 6 089 € Industry median: 1 750 €Q4·24Q1 2025 Company: 6 285 € Industry median: 1 767 €Q2 2025 Company: 7 033 € Industry median: 1 758 €Q2·25Q3 2025 Company: 7 033 € Industry median: 1 847 €Q4 2025 Company: 7 033 € Industry median: 1 847 €Q4·25Q1 2026 Company: 6 725 € Industry median: 1 780 €Q2 2026 Company: 6 571 € Industry median: 1 758 €Q2·26Q3 2026 Company: 6 404 € Industry median: 1 751 €Q3·2602 0004 0006 0008 000Q4 2024 Company: 6 089 € Industry median: 1 750 €Q1 2025 Company: 6 285 € Industry median: 1 767 €Q1·25Q2 2025 Company: 7 033 € Industry median: 1 758 €Q3 2025 Company: 7 033 € Industry median: 1 847 €Q3·25Q4 2025 Company: 7 033 € Industry median: 1 847 €Q1 2026 Company: 6 725 € Industry median: 1 780 €Q1·26Q2 2026 Company: 6 571 € Industry median: 1 758 €Q3 2026 Company: 6 404 € Industry median: 1 751 €Q3·26
  • Company
  • Industry median

Industry: Architectural and engineering activities; technical testing and analysis (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Employees Q3 2026: 1 · +0.0% vs Q2 2026
0.00.20.40.60.81.0Q4 2023 Company: 1Q4·23Q1 2024 Company: 1Q2 2024 Company: 1Q2·24Q3 2024 Company: 1Q4 2024 Company: 1Q4·24Q1 2025 Company: 1Q2 2025 Company: 1Q2·25Q3 2025 Company: 1Q4 2025 Company: 1Q4·25Q1 2026 Company: 1Q2 2026 Company: 1Q2·26Q3 2026 Company: 1Q3·260.00.20.40.60.81.0Q4 2024 Company: 1Q1 2025 Company: 1Q1·25Q2 2025 Company: 1Q3 2025 Company: 1Q3·25Q4 2025 Company: 1Q1 2026 Company: 1Q1·26Q2 2026 Company: 1Q3 2026 Company: 1Q3·26
State taxes, € Q3 2026: 5 890 € · −2.5% vs Q2 2026
05 00010 00015 00020 000Q4 2023 Company: 15 348 €Q4·23Q1 2024 Company: 6 895 €Q2 2024 Company: 5 489 €Q2·24Q3 2024 Company: 5 489 €Q4 2024 Company: 5 616 €Q4·24Q1 2025 Company: 5 808 €Q2 2025 Company: 6 505 €Q2·25Q3 2025 Company: 6 505 €Q4 2025 Company: 6 505 €Q4·25Q1 2026 Company: 6 197 €Q2 2026 Company: 6 043 €Q2·26Q3 2026 Company: 5 890 €Q3·2602 0004 0006 0008 000Q4 2024 Company: 5 616 €Q1 2025 Company: 5 808 €Q1·25Q2 2025 Company: 6 505 €Q3 2025 Company: 6 505 €Q3·25Q4 2025 Company: 6 505 €Q1 2026 Company: 6 197 €Q1·26Q2 2026 Company: 6 043 €Q3 2026 Company: 5 890 €Q3·26
Figures by quarter
Quarter Turnover, € State taxes, € Labour taxes, € Employees
Q3 2026 — 5 890 6 404 1
Q2 2026 — 6 043 6 571 1
Q1 2026 — 6 197 6 725 1
Q4 2025 — 6 505 7 033 1
Q3 2025 — 6 505 7 033 1
Q2 2025 — 6 505 7 033 1
Q1 2025 — 5 808 6 285 1
Q4 2024 — 5 616 6 089 1
Q3 2024 — 5 489 5 951 1
Q2 2024 — 5 489 5 951 1
Q1 2024 — 6 895 7 269 1
Q4 2023 — 15 348 16 379 1
Q3 2023 — 2 034 2 205 2
Labour taxes per employee per month
2 135 €

Q3 2026 · calculated from EMTA data

Financials by year

2020 – 2025
Revenue, € 2025: 0 € · −100.0% vs 2024 · industry median 23 548 € · above 5% of the industry
05 00010 00015 00020 00025 0002020 Company: 0 € Industry median: 21 696 €20202021 Company: 0 € Industry median: 23 290 €20212022 Company: 0 € Industry median: 23 304 €20222023 Company: 14 514 € Industry median: 22 720 €20232024 Company: 19 324 € Industry median: 22 098 €20242025 Company: 0 € Industry median: 23 548 €202505 00010 00015 00020 00025 0002020 Company: 0 € Industry median: 21 696 €2021 Company: 0 € Industry median: 23 290 €20212022 Company: 0 € Industry median: 23 304 €2023 Company: 14 514 € Industry median: 22 720 €20232024 Company: 19 324 € Industry median: 22 098 €2025 Company: 0 € Industry median: 23 548 €2025
  • Company
  • Industry median

Industry: Architectural and engineering activities; technical testing and analysis (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit, € 2025: -64 600 € · −43.6% vs 2024 · industry median 1 536 € · above 2% of the industry
-80 000-60 000-40 000-20 000020 0002020 Company: 0 € Industry median: 2 183 €20202021 Company: 0 € Industry median: 2 742 €20212022 Company: 0 € Industry median: 1 794 €20222023 Company: -34 554 € Industry median: 2 165 €20232024 Company: -44 980 € Industry median: 1 691 €20242025 Company: -64 600 € Industry median: 1 536 €2025-80 000-60 000-40 000-20 000020 0002020 Company: 0 € Industry median: 2 183 €2021 Company: 0 € Industry median: 2 742 €20212022 Company: 0 € Industry median: 1 794 €2023 Company: -34 554 € Industry median: 2 165 €20232024 Company: -44 980 € Industry median: 1 691 €2025 Company: -64 600 € Industry median: 1 536 €2025
  • Company
  • Industry median

Industry: Architectural and engineering activities; technical testing and analysis (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit margin, % 2024: -232.8 % · +5.3 pp vs the year before · industry median 15.3 % · above 2% of the industry
-300-200-10001002020 Company: — Industry median: 16.8 %20202021 Company: — Industry median: 19.6 %20212022 Company: — Industry median: 16.6 %20222023 Company: -238.1 % Industry median: 17.1 %20232024 Company: -232.8 % Industry median: 15.3 %20242025 Company: — Industry median: 15.1 %2025-300-200-10001002020 Company: — Industry median: 16.8 %2021 Company: — Industry median: 19.6 %20212022 Company: — Industry median: 16.6 %2023 Company: -238.1 % Industry median: 17.1 %20232024 Company: -232.8 % Industry median: 15.3 %2025 Company: — Industry median: 15.1 %2025
  • Company
  • Industry median

Industry: Architectural and engineering activities; technical testing and analysis (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Assets, € 2025: 64 390 € · +14.8% vs 2024
020 00040 00060 00080 000100 0002020 Company: —20202021 Company: —20212022 Company: 2 500 €20222023 Company: 96 423 €20232024 Company: 56 067 €20242025 Company: 64 390 €2025020 00040 00060 00080 000100 0002020 Company: —2021 Company: —20212022 Company: 2 500 €2023 Company: 96 423 €20232024 Company: 56 067 €2025 Company: 64 390 €2025
Equity, € thousand 2025: -142 555 € · −82.9% vs 2024
-150-100-500502020 Company: —20202021 Company: —20212022 Company: 2 500 €20222023 Company: -32 054 €20232024 Company: -77 954 €20242025 Company: -142 555 €2025-150-100-500502020 Company: —2021 Company: —20212022 Company: 2 500 €2023 Company: -32 054 €20232024 Company: -77 954 €2025 Company: -142 555 €2025
Employees 2025: 1 · +0.0% vs 2024 · industry median 1 · above 5% of the industry
0.00.20.40.60.81.02020 Company: 0 Industry median: 120202021 Company: 0 Industry median: 120212022 Company: 0 Industry median: 120222023 Company: 1 Industry median: 120232024 Company: 1 Industry median: 120242025 Company: 1 Industry median: 120250.00.20.40.60.81.02020 Company: 0 Industry median: 12021 Company: 0 Industry median: 120212022 Company: 0 Industry median: 12023 Company: 1 Industry median: 120232024 Company: 1 Industry median: 12025 Company: 1 Industry median: 12025
  • Company
  • Industry median

Industry: Architectural and engineering activities; technical testing and analysis (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Financials by year
Year Revenue, € Net profit, € Labour costs, € Assets, € Equity, € Employees
2025 0 -64 600 64 224 64 390 -142 555 1
2024 19 324 -44 980 64 414 56 067 -77 954 1
2023 14 514 -34 554 48 379 96 423 -32 054 1
2022 0 0 0 2 500 2 500 0
2021 0 0 0 — — 0
2020 0 0 0 — — 0

Figures from the company’s own (non-consolidated) balance sheet and income statement. A loss is shown with a minus sign.

Financial ratios for 2025

Return on assets (ROA)
-100.3 %
Net profit / assets
Equity ratio
-221.4 %
Equity / assets
Debt ratio
321.4 %
Liabilities / assets
Current ratio
0.31
Current assets / current liabilities
Revenue per employee
0 €
Revenue / average full-time employees
Labour cost per employee per month
5 352 €
Labour costs / employees / 12 months (incl. employer taxes)

Annual reports

PDFs from e-Äriregister
Annual reports
Year Period Filed Report Documents
2025 1 Jan 2025 – 31 Dec 2025 1 Jul 2026 Company’s own e-Äriregister
2024 1 Jan 2024 – 31 Dec 2024 14 May 2025 Company’s own e-Äriregister
2023 1 Jan 2023 – 31 Dec 2023 1 Jul 2024 Company’s own e-Äriregister
2022 1 Jan 2022 – 31 Dec 2022 15 Dec 2023 Company’s own e-Äriregister
2021 1 Jan 2021 – 31 Dec 2021 20 Feb 2022 Company’s own e-Äriregister
2020 24 Sep 2019 – 31 Dec 2020 20 Feb 2022 Company’s own e-Äriregister

Board

Right of representation

Any member of the management board may represent the private limited company in all transactions.

Owners

Beneficial owners

  • Romet Roosalu
    Member of a senior management body (management or supervisory board) · since 26 Feb 2024

Founders and other persons

  • Mait Kukk
    Founder · 2 500 € · 24 Sep 2019
shared board members, owners or beneficial owners

Activities (EMTAK)

  • 71129Other engineering-technical activities Main
Rulings
Number, date Title Deadline State Document
Ä 50129093 / M4
3 Jul 2026
Warning of compulsory dissolution: insufficient net assets 4 Jan 2027 In force
3 Jul 2026
PDF
Ä 50129093 / 5
23 Feb 2024
Amendment entry In force
23 Feb 2024
PDF
Ä 50129093 / M3
15 Dec 2023
Warning of deletion from the register: annual report not filed 19 Mar 2024 Deficiencies eliminated
16 Dec 2023
PDF
Ä 50129093 / 4
2 Sep 2023
Amendment entry In force
2 Sep 2023
PDF
Ä 50129093 / 3
27 Jul 2023
Amendment entry In force
27 Jul 2023
PDF
Ä 50129093 / 2
5 May 2022
Amendment entry In force
5 May 2022
PDF
Ä 50129093 / M2
3 May 2022
Ruling to eliminate deficiencies 2 Jun 2022 Deficiencies eliminated
5 May 2022
PDF
Ä 50129093 / M1
12 Apr 2022
Ruling to eliminate deficiencies 27 Apr 2022 In force
12 Apr 2022
PDF
Ä 50129093
24 Sep 2019
First entry In force
24 Sep 2019
PDF

Sources: e-Äriregister and EMTA. Data updated 1 Nov 2026. Open at the source ↗ · Report an error in the data