Osaühing Kastor Gaas

Active Registry code 10698763 OÜ Tallinn Registered 9 Jan 2001

Osaühing Kastor Gaas is a OÜ based in Tallinn, registry code 10698763, status: active. Main activity: Other engineering-technical activities. According to EMTA, turnover for Q3 2026 was €41 061 with 2 employees.

Turnover

41 061 €

↑ 9.3% vs Q2 2026

State taxes

8 598 €

↓ 2.7% vs Q2 2026

Labour taxes

6 093 €

↓ 3.8% vs Q2 2026

Employees

±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

Turnover · Q3 2026 41 061 €

above 74% of companies

industry median 16 250 € · companies in the industry: 2 781
Labour taxes per employee 3 047 €

above 74% of companies

industry median 1 751 € · companies in the industry: 1 910
Revenue · 2025 162 830 €

above 86% of companies

industry median 23 548 € · companies in the industry: 4 824
Net profit margin · 2025 -20.0 %

above 13% of companies

industry median 15.1 % · companies in the industry: 3 876

Taxes and turnover

Q4 2023 – Q3 2026

Turnover, € Q3 2026: 41 061 € · +9.3% vs Q2 2026 · industry median 16 250 € · above 74% of the industry

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.

Labour taxes per employee, € Q3 2026: 3 047 € · −3.8% vs Q2 2026 · industry median 1 751 € · above 74% of the industry

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: 2 · +0.0% vs Q2 2026

State taxes, € Q3 2026: 8 598 € · −2.7% vs Q2 2026

Figures by quarter
Quarter	Turnover, €	State taxes, €	Labour taxes, €	Employees
Q3 2026	41 061	8 598	6 093	2
Q2 2026	37 580	8 840	6 333	2
Q1 2026	32 067	10 240	7 172	3
Q4 2025	42 490	12 253	7 817	3
Q3 2025	38 429	11 201	7 817	3
Q2 2025	46 183	12 006	7 817	3
Q1 2025	62 085	13 087	7 390	3
Q4 2024	41 084	10 396	6 553	3
Q3 2024	21 635	8 659	6 749	3
Q2 2024	27 905	7 949	5 924	3
Q1 2024	32 087	8 971	6 265	3
Q4 2023	50 044	8 915	6 287	3
Q3 2023	62 079	10 107	6 287	3
Q2 2023	60 851	8 008	6 287	3
Q1 2023	50 298	8 538	5 436	3
Q4 2022	26 821	5 967	4 349	2
Q3 2022	19 479	4 760	3 548	2
Q2 2022	45 413	8 327	5 532	2
Q1 2022	79 775	9 496	5 245	2

Labour taxes per employee per month

1 016 €

Turnover per employee in the quarter

20 531 €

Q3 2026 · calculated from EMTA data

Financials by year

2016 – 2025

Revenue, € thousand 2025: 162 830 € · −9.1% vs 2024 · industry median 23 548 € · above 86% of the industry

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: -32 567 € · −501.9% vs 2024 · industry median 1 536 € · above 2% of the industry

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, % 2025: -20.0 % · −24.5 pp vs the year before · industry median 15.1 % · above 13% of the industry

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, € thousand 2025: 80 218 € · −31.1% vs 2024

Equity, € thousand 2025: 71 403 € · −31.5% vs 2024

Employees 2025: 3 · +0.0% vs 2024 · industry median 1 · above 80% of the industry

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	162 830	-32 567	30 912	80 218	71 403	3
2024	179 149	8 103	13 229	116 358	104 226	3
2023	218 492	32 992	24 296	106 735	96 123	3
2022	171 487	-12 560	38 673	89 034	62 875	2
2021	280 499	4 736	59 856	75 435	75 435	2
2020	234 221	8 975	51 639	80 872	70 699	2
2019	266 204	10 152	51 639	65 493	61 724	2
2018	—	—	—	—	—	2
2017	—	—	—	—	—	2
2016	—	—	—	—	—	2
2015	—	—	—	—	—	2
2014	—	—	—	—	—	2
2013	—	—	—	—	—	2
2012	—	—	—	—	—	3
2011	—	—	—	—	—	4
2010	—	—	—	—	—	4
2009	—	—	—	—	—	4
2008	—	—	—	—	—	4
2007	—	—	—	—	—	4
2006	—	—	—	—	—	3
2005	—	—	—	—	—	6
2004	—	—	—	—	—	8
2003	—	—	—	—	—	8
2002	—	—	—	—	—	7
2001	—	—	—	—	—	3

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

Net profit margin

-20.0 %

Net profit / revenue

Return on equity (ROE)

-45.6 %

Net profit / equity

Return on assets (ROA)

-40.6 %

Net profit / assets

Equity ratio

89.0 %

Equity / assets

Debt ratio

11.0 %

Liabilities / assets

Current ratio

5.74

Current assets / current liabilities

Revenue per employee

54 277 €

Revenue / average full-time employees

Labour cost per employee per month

859 €

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	23 Jun 2026	Company’s own	e-Äriregister
2024	1 Jan 2024 – 31 Dec 2024	23 Jun 2025	Company’s own	e-Äriregister
2023	1 Jan 2023 – 31 Dec 2023	22 Jun 2024	Company’s own	e-Äriregister
2022	1 Jan 2022 – 31 Dec 2022	25 Jun 2023	Company’s own	e-Äriregister
2021	1 Jan 2021 – 31 Dec 2021	25 Jun 2022	Company’s own	e-Äriregister
2020	1 Jan 2020 – 31 Dec 2020	29 Jun 2021	Company’s own	e-Äriregister
2019	1 Jan 2019 – 31 Dec 2019	9 Nov 2020	Company’s own	e-Äriregister

Board

Margus Kastor
Board member · since 18 Mar 2002

Right of representation

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

Owners

Margus Kastor
Natural person · 1 917 €

75%
Taavi Laeneste
Natural person · 639 €

25%

Beneficial owners

Margus Kastor
Direct ownership · since 10 Sep 2018
Taavi Laeneste
Direct ownership · since 10 Sep 2018

Founders and other persons

Margus Kastor
Founder · 40 000 € · 9 Jan 2001

shared board members, owners or beneficial owners

Activities (EMTAK)

71129Other engineering-technical activities Main
33201Installation of industrial machinery and equipment

Rulings 9

All rulings (PDF)

Rulings
Number, date	Title	State	Document
Ä 10064057 / 11 1 Sep 2023	Amendment entry	In force 1 Sep 2023	PDF
Ä 10064057 / 10 17 Jan 2018	Amendment entry	In force 17 Jan 2018	PDF
Ä 10064057 / 9 8 Nov 2017	Amendment entry	In force 8 Nov 2017	PDF
Ä 10064057 / 8 1 Sep 2016	Amendment entry	In force 1 Sep 2016	PDF
Ä 10064057 / 7 20 Jun 2011	Amendment entry	In force 20 Jun 2011	PDF
Ä 10064057 / 6 7 Jul 2010	Deletion of activities from the registry card	In force 7 Jul 2010	PDF
Ä 64057 / 2 26 Nov 2002	Published amendment entry	In force	PDF
Ä 19643 / 5 22 Mar 2002	Note on closing the registry card in the former department	In force	PDF
Ä 64057 15 Mar 2002	Registry card opened in the department of the new seat	In force	PDF

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

Osaühing Kastor Gaas

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

Taxes and turnover

Financials by year

Financial ratios for 2025

Annual reports

Board

Right of representation

Owners

Beneficial owners

Founders and other persons

Related companies

Activities (EMTAK)

Rulings 9