Mustasaare Tarkvarabüroo Osaühing

Active Registry code 10380334 OÜ Tallinn Registered 12 Feb 1998

Mustasaare Tarkvarabüroo Osaühing is a OÜ based in Tallinn, registry code 10380334, status: active. Main activity: Other information technology and computer service activities. According to EMTA, turnover for Q3 2026 was €56 672 with 1 employees.

Turnover

56 672 €

↓ 13.5% vs Q2 2026

State taxes

14 895 €

↑ 2.0% vs Q2 2026

Labour taxes

7 380 €

↑ 3.6% vs Q2 2026

Employees

±0 vs Q2 2026

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

Position in the industry Computer programming, consultancy and related activities · EMTAK 62

Turnover · Q3 2026 56 672 €

above 75% of companies

industry median 19 078 € · companies in the industry: 7 345
Labour taxes per employee 7 380 €

above 89% of companies

industry median 2 345 € · companies in the industry: 2 783
Revenue · 2025 195 948 €

above 86% of companies

industry median 14 309 € · companies in the industry: 13 336
Net profit margin · 2025 27.7 %

above 61% of companies

industry median 15.1 % · companies in the industry: 8 943

Taxes and turnover

Q4 2023 – Q3 2026

Turnover, € thousand Q3 2026: 56 672 € · −13.5% vs Q2 2026 · industry median 19 078 € · above 75% of the industry

Company
Industry median

Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Labour taxes per employee, € Q3 2026: 7 380 € · +3.6% vs Q2 2026 · industry median 2 345 € · above 89% of the industry

Company
Industry median

Industry: Computer programming, consultancy and related activities (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

State taxes, € Q3 2026: 14 895 € · +2.0% vs Q2 2026

Figures by quarter
Quarter	Turnover, €	State taxes, €	Labour taxes, €	Employees
Q3 2026	56 672	14 895	7 380	1
Q2 2026	65 509	14 606	7 123	1
Q1 2026	49 074	21 373	7 691	1
Q4 2025	49 579	20 301	7 415	1
Q3 2025	46 007	19 372	7 415	1
Q2 2025	47 278	19 991	7 415	1
Q1 2025	57 344	23 457	8 958	1
Q4 2024	52 712	19 505	6 859	1
Q3 2024	52 546	19 883	7 704	1
Q2 2024	51 242	18 958	8 058	1
Q1 2024	103 305	36 952	13 418	1
Q4 2023	53 356	19 145	7 379	2
Q3 2023	43 050	15 608	6 446	2
Q2 2023	38 757	12 735	6 480	1
Q1 2023	52 717	17 992	6 469	1
Q4 2022	41 872	13 875	5 717	1
Q3 2022	66 446	18 174	6 456	1
Q2 2022	45 752	14 911	5 958	2
Q1 2022	-6 472	9 932	6 035	2

Labour taxes per employee per month

2 460 €

Turnover per employee in the quarter

56 672 €

Q3 2026 · calculated from EMTA data

Financials by year

2016 – 2025

Revenue, € thousand 2025: 195 948 € · −3.3% vs 2024 · industry median 14 309 € · above 86% of the industry

Company
Industry median

Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit, € 2025: 54 331 € · −3.7% vs 2024 · industry median 106 € · above 89% of the industry

Company
Industry median

Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit margin, % 2025: 27.7 % · −0.1 pp vs the year before · industry median 15.1 % · above 61% of the industry

Company
Industry median

Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Assets, € thousand 2025: 58 390 € · −13.9% vs 2024

Equity, € 2025: 22 292 € · −14.8% vs 2024

Employees 2025: 2 · +0.0% vs 2024 · industry median 1 · above 75% of the industry

Company
Industry median

Industry: Computer programming, consultancy and related activities (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	195 948	54 331	65 386	58 390	22 292	2
2024	202 721	56 411	68 488	67 811	26 161	2
2023	227 672	81 527	68 311	112 215	31 249	2
2022	184 134	62 242	49 363	78 705	5 043	2
2021	100 654	-2 100	46 020	74 741	-16 499	3
2020	100 745	10 961	43 630	99 883	7 301	3
2019	126 558	8 039	53 822	88 421	19 190	4
2018	—	—	—	—	—	4
2017	—	—	—	—	—	4
2016	—	—	—	—	—	4
2015	—	—	—	—	—	3
2014	—	—	—	—	—	3
2013	—	—	—	—	—	3
2012	—	—	—	—	—	3
2011	—	—	—	—	—	3
2010	—	—	—	—	—	2
2009	—	—	—	—	—	2
2008	—	—	—	—	—	2
2007	—	—	—	—	—	3
2006	—	—	—	—	—	4
2005	—	—	—	—	—	4
2004	—	—	—	—	—	4
2003	—	—	—	—	—	4
2002	—	—	—	—	—	4
2001	—	—	—	—	—	4
2000	—	—	—	—	—	4
1999	—	—	—	—	—	4
1997	—	—	—	—	—	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

27.7 %

Net profit / revenue

Return on equity (ROE)

243.7 %

Net profit / equity

Return on assets (ROA)

93.0 %

Net profit / assets

Equity ratio

38.2 %

Equity / assets

Debt ratio

61.8 %

Liabilities / assets

Current ratio

1.47

Current assets / current liabilities

Revenue per employee

97 974 €

Revenue / average full-time employees

Labour cost per employee per month

2 724 €

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	26 Jun 2026	Company’s own	e-Äriregister
2024	1 Jan 2024 – 31 Dec 2024	30 Jun 2025	Company’s own	e-Äriregister
2023	1 Jan 2023 – 31 Dec 2023	30 Jun 2024	Company’s own	e-Äriregister
2022	1 Jan 2022 – 31 Dec 2022	29 Jun 2023	Company’s own	e-Äriregister
2021	1 Jan 2021 – 31 Dec 2021	29 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	17 Oct 2020	Company’s own	e-Äriregister

Board

Priit Mustasaar
Board member · since 16 Feb 2006

Right of representation

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

Owners

Priit Mustasaar
Natural person · 6 430 €

100%

Beneficial owners

Priit Mustasaar
Direct ownership · since 20 Oct 2018

Founders and other persons

No other persons.

shared board members, owners or beneficial owners

Activities (EMTAK)

62901Other information technology and computer service activities Main

Rulings 12

All rulings (PDF)

Rulings
Number, date	Title	State	Document
Ä 10024742 / 12 1 Sep 2023	Amendment entry	In force 1 Sep 2023	PDF
Ä 10024742 / 11 4 Jan 2023	Amendment under Commercial Code § 525 (2)	In force 4 Jan 2023	PDF
Ä 10024742 / 10 6 Oct 2020	Amendment entry	In force 6 Oct 2020	PDF
Ä 10024742 / 9 16 Jan 2018	Amendment entry	In force 16 Jan 2018	PDF
Ä 10024742 / 8 7 Nov 2017	Amendment entry	In force 7 Nov 2017	PDF
Ä 10024742 / 7 31 Aug 2016	Amendment entry	In force 31 Aug 2016	PDF
Ä 10024742 / 6 22 Dec 2014	Amendment entry	In force 22 Dec 2014	PDF
Ä 10024742 / 5 31 Oct 2011	Amendment entry	In force 31 Oct 2011	PDF
Ä 10024742 / M1 12 Sep 2011	Ruling to eliminate deficiencies	In force 12 Sep 2011	PDF
Ä 24742 / 4 3 Dec 2008	Deletion of activities from the registry card	In force 19 Dec 2008	PDF
Ä 24742 / 3 16 Feb 2006	Amendment entry	In force 16 Feb 2006	PDF
Ä 24742 / 2 25 Sep 2002	Unpublished amendment entry	In force	PDF

Sources: e-Äriregister and EMTA. Data updated 2 Nov 2026. Open at the source ↗ · Report an error in the data

Mustasaare Tarkvarabüroo Osaühing

Position in the industry Computer programming, consultancy and related activities · EMTAK 62

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 12