Inseneribüroo Tandem OÜ

Active Registry code 10695279 OÜ Tartu linn Registered 11 Oct 2000

Inseneribüroo Tandem OÜ is a OÜ based in Tartu linn, registry code 10695279, status: active. Main activity: Constructional engineering-technical designing and consulting. According to EMTA, turnover for Q3 2026 was €39 900 with 5 employees.

Turnover

39 900 €

↓ 16.8% vs Q2 2026

State taxes

14 161 €

↓ 14.2% vs Q2 2026

Labour taxes

6 256 €

↓ 14.9% 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 39 900 €

above 73% of companies

industry median 16 250 € · companies in the industry: 2 781
Labour taxes per employee 1 251 €

above 33% of companies

industry median 1 751 € · companies in the industry: 1 910
Revenue · 2025 171 030 €

above 86% of companies

industry median 23 548 € · companies in the industry: 4 824
Net profit margin · 2025 -8.0 %

above 19% of companies

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

Taxes and turnover

Q4 2023 – Q3 2026

Turnover, € Q3 2026: 39 900 € · −16.8% vs Q2 2026 · industry median 16 250 € · above 73% 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: 1 251 € · −14.9% vs Q2 2026 · industry median 1 751 € · above 33% 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: 5 · +0.0% vs Q2 2026

State taxes, € Q3 2026: 14 161 € · −14.2% vs Q2 2026

Figures by quarter
Quarter	Turnover, €	State taxes, €	Labour taxes, €	Employees
Q3 2026	39 900	14 161	6 256	5
Q2 2026	47 950	16 505	7 351	5
Q1 2026	8 314	9 698	9 122	5
Q4 2025	43 030	14 602	7 723	5
Q3 2025	32 250	8 142	6 522	5
Q2 2025	62 300	16 959	6 570	5
Q1 2025	43 135	14 156	6 863	5
Q4 2024	40 666	10 811	5 452	5
Q3 2024	15 950	6 590	5 464	5
Q2 2024	51 200	13 628	5 532	5
Q1 2024	39 250	9 421	5 373	5
Q4 2023	28 352	9 144	5 933	5
Q3 2023	41 889	10 636	6 126	5
Q2 2023	66 146	11 891	5 072	5
Q1 2023	29 084	8 707	5 844	5
Q4 2022	30 793	9 605	7 135	5
Q3 2022	49 160	13 928	6 698	6
Q2 2022	39 160	11 755	7 680	6
Q1 2022	41 030	12 309	7 690	6

Labour taxes per employee per month

417 €

Turnover per employee in the quarter

7 980 €

Q3 2026 · calculated from EMTA data

Financials by year

2016 – 2025

Revenue, € thousand 2025: 171 030 € · +36.3% 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: -13 655 € · −396.7% vs 2024 · industry median 1 536 € · above 7% 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: -8.0 % · −5.8 pp vs the year before · industry median 15.1 % · above 19% 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, € 2025: 64 871 € · +1.0% vs 2024

Equity, € 2025: 24 589 € · −35.7% vs 2024

Employees 2025: 2 · +0.0% vs 2024 · industry median 1 · above 65% 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	171 030	-13 655	71 648	64 871	24 589	2
2024	125 465	-2 749	56 154	64 260	38 244	2
2023	170 250	16 514	54 223	85 988	40 993	2
2022	163 935	-19 111	79 154	72 632	24 479	4
2021	174 560	16 913	82 911	88 793	43 590	5
2020	151 526	4 737	87 343	68 179	26 677	6
2019	172 874	6 323	97 207	70 411	38 140	6
2018	—	—	—	—	—	5
2017	—	—	—	—	—	5
2016	—	—	—	—	—	5
2015	—	—	—	—	—	4
2014	—	—	—	—	—	4
2013	—	—	—	—	—	4
2012	—	—	—	—	—	4
2011	—	—	—	—	—	5
2010	—	—	—	—	—	4
2009	—	—	—	—	—	5
2007	—	—	—	—	—	6
2005	—	—	—	—	—	3
2004	—	—	—	—	—	3
2003	—	—	—	—	—	2
2002	—	—	—	—	—	2

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

-8.0 %

Net profit / revenue

Return on equity (ROE)

-55.5 %

Net profit / equity

Return on assets (ROA)

-21.0 %

Net profit / assets

Equity ratio

37.9 %

Equity / assets

Debt ratio

62.1 %

Liabilities / assets

Current ratio

1.12

Current assets / current liabilities

Revenue per employee

85 515 €

Revenue / average full-time employees

Labour cost per employee per month

2 985 €

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	30 Jun 2026	Company’s own	e-Äriregister
2024	1 Jan 2024 – 31 Dec 2024	27 Jun 2025	Company’s own	e-Äriregister
2023	1 Jan 2023 – 31 Dec 2023	24 Feb 2024	Company’s own	e-Äriregister
2022	1 Jan 2022 – 31 Dec 2022	30 Jun 2023	Company’s own	e-Äriregister
2021	1 Jan 2021 – 31 Dec 2021	30 Jun 2022	Company’s own	e-Äriregister
2020	1 Jan 2020 – 31 Dec 2020	30 Jun 2021	Company’s own	e-Äriregister
2019	1 Jan 2019 – 31 Dec 2019	31 Oct 2020	Company’s own	e-Äriregister

Board

Paul Sõrmus
Board member · since 11 Oct 2000
Väino Aedmaa
Board member · since 11 Oct 2000
Janek Kuld
Board member · since 15 Aug 2005

Right of representation

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

Owners

Väino Aedmaa
Natural person · 1 278 €

33.33%
Janek Kuld
Natural person · 1 278 €

33.33%
Paul Sõrmus
Natural person · 1 278 €

33.33%

Beneficial owners

Janek Kuld
Direct ownership · since 31 Oct 2018
Paul Sõrmus
Direct ownership · since 31 Oct 2018
Väino Aedmaa
Direct ownership · since 31 Oct 2018

Founders and other persons

Paul Sõrmus
Founder · 20 000 € · 11 Oct 2000
Väino Aedmaa
Founder · 20 000 € · 11 Oct 2000

shared board members, owners or beneficial owners

Activities (EMTAK)

71121Constructional engineering-technical designing and consulting Main

Rulings 7

All rulings (PDF)

Rulings
Number, date	Title	State	Document
Ä 20019133 / 8 1 Sep 2023	Amendment entry	In force 1 Sep 2023	PDF
Ä 20019133 / 7 17 Jan 2018	Amendment entry	In force 17 Jan 2018	PDF
Ä 20019133 / 6 19 Dec 2017	Amendment entry	In force 19 Dec 2017	PDF
Ä 20019133 / 5 3 Dec 2017	Amendment entry	In force 3 Dec 2017	PDF
Ä 20019133 / 4 21 Nov 2011	Amendment entry	In force 21 Nov 2011	PDF
Ä 19133 / 3 28 Dec 2008	Deletion of activities from the registry card	In force 28 Dec 2008	PDF
Ä 19133 / 2 12 Aug 2005	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

Inseneribüroo Tandem OÜ

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 7