HeatConsult OÜ

Active Registry code 12049862 OÜ Tallinn Registered 27 Jan 2011

HeatConsult OÜ is a OÜ based in Tallinn, registry code 12049862, status: active. Main activity: Constructional engineering-technical designing and consulting. According to EMTA, turnover for Q3 2026 was €102 507 with 6 employees.

Turnover

102 507 €

↓ 27.6% vs Q2 2026

State taxes

37 492 €

↓ 14.0% vs Q2 2026

Labour taxes

25 814 €

↓ 32.8% 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 102 507 €

above 88% of companies

industry median 16 250 € · companies in the industry: 2 781
Labour taxes per employee 4 302 €

above 87% of companies

industry median 1 751 € · companies in the industry: 1 910
Revenue · 2025 1.4 mn €

above 98% of companies

industry median 23 548 € · companies in the industry: 4 824
Net profit margin · 2025 -23.8 %

above 12% of companies

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

Taxes and turnover

Q4 2023 – Q3 2026

Turnover, € thousand Q3 2026: 102 507 € · −27.6% vs Q2 2026 · industry median 16 250 € · above 88% 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: 4 302 € · −32.8% vs Q2 2026 · industry median 1 751 € · above 87% 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: 6 · +0.0% vs Q2 2026

State taxes, € Q3 2026: 37 492 € · −14.0% vs Q2 2026

Figures by quarter
Quarter	Turnover, €	State taxes, €	Labour taxes, €	Employees
Q3 2026	102 507	37 492	25 814	6
Q2 2026	141 548	43 573	38 421	6
Q1 2026	388 019	97 255	50 040	7
Q4 2025	311 609	53 597	50 038	11
Q3 2025	345 509	75 027	59 984	11
Q2 2025	335 689	69 117	55 925	12
Q1 2025	475 093	95 009	55 522	13
Q4 2024	371 994	80 743	56 292	13
Q3 2024	370 072	92 128	63 050	14
Q2 2024	404 832	89 418	56 273	17
Q1 2024	517 241	97 894	59 076	16
Q4 2023	429 097	86 140	51 960	16
Q3 2023	396 220	78 564	45 003	16
Q2 2023	373 843	69 541	34 415	15
Q1 2023	326 597	58 615	40 985	12
Q4 2022	285 208	85 501	37 000	11
Q3 2022	251 257	57 705	35 130	11
Q2 2022	222 576	45 604	31 859	14
Q1 2022	218 882	48 243	32 107	12

Labour taxes per employee per month

1 434 €

Turnover per employee in the quarter

17 085 €

Q3 2026 · calculated from EMTA data

Financials by year

2016 – 2025

Revenue, € thousand 2025: 1 374 445 € · −15.2% vs 2024 · industry median 23 548 € · above 98% 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, € thousand 2025: -327 510 € · −74.7% 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: -23.8 % · −12.3 pp vs the year before · industry median 15.1 % · above 12% 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: 317 063 € · +7.9% vs 2024

Equity, € thousand 2025: 162 138 € · −3.4% vs 2024

Employees 2025: 11 · −31.3% vs 2024 · industry median 1 · above 98% 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	1 374 445	-327 510	497 114	317 063	162 138	11
2024	1 620 662	-187 475	561 919	293 882	167 889	16
2023	1 571 621	64 572	436 082	290 041	44 366	16
2022	1 041 478	366	347 374	128 842	-20 221	15
2021	838 847	30 776	370 537	322 401	146 414	14
2020	924 041	-46 424	365 516	397 824	115 715	15
2019	975 204	168 840	323 907	763 934	664 837	13
2018	—	—	—	—	—	12
2017	—	—	—	—	—	14
2016	—	—	—	—	—	10
2015	—	—	—	—	—	10
2014	—	—	—	—	—	8
2013	—	—	—	—	—	5
2012	—	—	—	—	—	4
2011	—	—	—	—	—	1

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

-23.8 %

Net profit / revenue

Return on equity (ROE)

-202.0 %

Net profit / equity

Return on assets (ROA)

-103.3 %

Net profit / assets

Equity ratio

51.1 %

Equity / assets

Debt ratio

48.9 %

Liabilities / assets

Current ratio

2.05

Current assets / current liabilities

Revenue per employee

124 950 €

Revenue / average full-time employees

Labour cost per employee per month

3 766 €

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	18 Mar 2026	Company’s own	e-Äriregister
2024	1 Jan 2024 – 31 Dec 2024	30 May 2025	Company’s own	e-Äriregister
2023	1 Jan 2023 – 31 Dec 2023	26 Jun 2024	Company’s own	e-Äriregister
2022	1 Jan 2022 – 31 Dec 2022	21 May 2023	Company’s own	e-Äriregister
2021	1 Jan 2021 – 31 Dec 2021	27 Jun 2022	Company’s own	e-Äriregister
2020	1 Jan 2020 – 31 Dec 2020	28 Jun 2021	Company’s own	e-Äriregister
2019	1 Jan 2019 – 31 Dec 2019	24 Sep 2020	Company’s own	e-Äriregister

Board

Aive Seppam
Board member · since 31 Mar 2026

Right of representation

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

Owners

Sweco Finland Oy
Legal person · 10 000 €

100%

Beneficial owners

Aive Seppam
Member of a senior management body (management or supervisory board) · since 7 Apr 2026
Kalle Henrik Inki
Member of a senior management body (management or supervisory board) · FIN · since 7 Apr 2026
Keijo Vaher
Member of a senior management body (management or supervisory board) · since 7 Apr 2026
Mikko Ensio Rislakki
Member of a senior management body (management or supervisory board) · FIN · since 7 Apr 2026
Thomas Pekka Hietto
Member of a senior management body (management or supervisory board) · FIN · since 7 Apr 2026

Founders and other persons

Igor Krupenski
Founder · 2 500 € · 24 Jan 2011
Thomas Pekka Hietto
Chairman of the supervisory board · 20 Jan 2026
Kalle Henrik Inki
Supervisory board member · 20 Jan 2026
Keijo Vaher
Supervisory board member · 20 Jan 2026
Mikko Ensio Rislakki
Supervisory board member · 20 Jan 2026

shared board members, owners or beneficial owners

Activities (EMTAK)

71121Constructional engineering-technical designing and consulting Main

Rulings 23

All rulings (PDF)

Rulings
Number, date	Title	Deadline	State	Document
Ä 10152125 / 18 14 May 2026	Amendment under Code of Civil Procedure § 595¹ (1)		In force 14 May 2026	PDF
Ä 10152125 / 17 31 Mar 2026	Amendment entry		In force 31 Mar 2026	PDF
Ä 10152125 / 16 20 Jan 2026	Amendment entry		In force 20 Jan 2026	PDF
Ä 10152125 / M5 13 Jan 2026	Ruling to eliminate deficiencies	28 Jan 2026	Deficiencies eliminated 14 Jan 2026	PDF
Ä 10152125 / 15 23 Jul 2025	Amendment entry		In force 23 Jul 2025	PDF
Ä 10152125 / M4 15 Jul 2025	Ruling to eliminate deficiencies	4 Aug 2025	Deficiencies eliminated 23 Jul 2025	PDF
Ä 10152125 / 14 21 Oct 2024	Amendment entry		In force 21 Oct 2024	PDF
Ä 10152125 / M3 20 Sep 2024	Ruling to eliminate deficiencies	12 Oct 2024	Deficiencies eliminated 14 Oct 2024	PDF
Ä 10152125 / M2 9 Jun 2023	Warning of compulsory dissolution: insufficient net assets	11 Dec 2023	Deficiencies eliminated 9 Jun 2023	PDF
Ä 10152125 / 13 24 May 2023	Amendment entry		In force 24 May 2023	PDF
Ä 10152125 / 12 18 May 2023	Amendment entry		In force 18 May 2023	PDF
Ä 10152125 / 11 21 Jun 2021	Amendment entry		In force 21 Jun 2021	PDF
Ä 10152125 / 10 19 Nov 2020	Amendment entry		In force 19 Nov 2020	PDF
Ä 10152125 / M1 13 Nov 2020	Ruling to eliminate deficiencies	3 Dec 2020	Deficiencies eliminated 19 Nov 2020	PDF
Ä 10152125 / 9 19 Oct 2020	Amendment entry		In force 19 Oct 2020	PDF
Ä 10152125 / 8 30 Nov 2018	Amendment entry		In force 30 Nov 2018	PDF
Ä 10152125 / 7 5 Nov 2018	Amendment under Commercial Code § 525 (2)		In force 5 Nov 2018	PDF
Ä 10152125 / 6 17 Jan 2018	Amendment entry		In force 17 Jan 2018	PDF
Ä 10152125 / 5 1 Dec 2017	Amendment entry		In force 1 Dec 2017	PDF
Ä 10152125 / 4 15 Sep 2016	Amendment entry		In force 15 Sep 2016	PDF
Ä 10152125 / 3 15 Jan 2014	Amendment under Commercial Code § 525 (2)		In force 15 Jan 2014	PDF
Ä 10152125 / 2 26 Aug 2011	Amendment entry		In force 26 Aug 2011	PDF
Ä 10152125 27 Jan 2011	First entry		In force 27 Jan 2011	PDF

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

HeatConsult 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 23