OÜ 1kelvin

Active Registry code 11863885 OÜ Tallinn Registered 5 Jan 2010
Compare

OÜ 1kelvin is a OÜ based in Tallinn, registry code 11863885, status: active. Main activity: Plumbing, heat and air-conditioning installation. According to EMTA, turnover for Q3 2026 was €1 118 449 with 14 employees.

Turnover
1 118 449 €
↓ 30.1% vs Q2 2026
State taxes
143 510 €
↓ 43.1% vs Q2 2026
Labour taxes
71 166 €
↑ 6.8% vs Q2 2026
Employees
14
±0 vs Q2 2026

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

Position in the industry Specialised construction activities · EMTAK 43

  • Turnover · Q3 2026 1.1 mn €
    industry median 23 017 € · companies in the industry: 6 974
  • Labour taxes per employee 5 083 €
    industry median 1 236 € · companies in the industry: 5 958
  • Revenue · 2025 4.3 mn €
    industry median 37 328 € · companies in the industry: 10 311
  • Net profit margin · 2025 6.4 %
    industry median 3.9 % · companies in the industry: 8 588

Taxes and turnover

Q4 2023 – Q3 2026
Turnover, € thousand Q3 2026: 1 118 449 € · −30.1% vs Q2 2026 · industry median 23 017 € · above 98% of the industry
01 0002 0003 0004 000Q4 2023 Company: 1 899 689 € Industry median: 23 403 €Q4·23Q1 2024 Company: 3 601 117 € Industry median: 16 922 €Q2 2024 Company: 1 896 290 € Industry median: 18 660 €Q2·24Q3 2024 Company: 1 694 589 € Industry median: 21 547 €Q4 2024 Company: 775 292 € Industry median: 23 300 €Q4·24Q1 2025 Company: 967 292 € Industry median: 17 914 €Q2 2025 Company: 1 195 968 € Industry median: 20 215 €Q2·25Q3 2025 Company: 822 561 € Industry median: 22 700 €Q4 2025 Company: 762 070 € Industry median: 23 111 €Q4·25Q1 2026 Company: 549 441 € Industry median: 17 425 €Q2 2026 Company: 1 599 906 € Industry median: 20 462 €Q2·26Q3 2026 Company: 1 118 449 € Industry median: 23 017 €Q3·2605001 0001 5002 000Q4 2024 Company: 775 292 € Industry median: 23 300 €Q1 2025 Company: 967 292 € Industry median: 17 914 €Q1·25Q2 2025 Company: 1 195 968 € Industry median: 20 215 €Q3 2025 Company: 822 561 € Industry median: 22 700 €Q3·25Q4 2025 Company: 762 070 € Industry median: 23 111 €Q1 2026 Company: 549 441 € Industry median: 17 425 €Q1·26Q2 2026 Company: 1 599 906 € Industry median: 20 462 €Q3 2026 Company: 1 118 449 € Industry median: 23 017 €Q3·26
  • Company
  • Industry median

Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Labour taxes per employee, € Q3 2026: 5 083 € · +6.8% vs Q2 2026 · industry median 1 236 € · above 98% of the industry
02 0004 0006 000Q4 2023 Company: 3 927 € Industry median: 1 123 €Q4·23Q1 2024 Company: 4 294 € Industry median: 1 105 €Q2 2024 Company: 3 820 € Industry median: 1 083 €Q2·24Q3 2024 Company: 4 504 € Industry median: 1 141 €Q4 2024 Company: 4 980 € Industry median: 1 178 €Q4·24Q1 2025 Company: 4 497 € Industry median: 1 177 €Q2 2025 Company: 4 894 € Industry median: 1 194 €Q2·25Q3 2025 Company: 5 241 € Industry median: 1 250 €Q4 2025 Company: 4 418 € Industry median: 1 270 €Q4·25Q1 2026 Company: 5 656 € Industry median: 1 202 €Q2 2026 Company: 4 760 € Industry median: 1 197 €Q2·26Q3 2026 Company: 5 083 € Industry median: 1 236 €Q3·2602 0004 0006 000Q4 2024 Company: 4 980 € Industry median: 1 178 €Q1 2025 Company: 4 497 € Industry median: 1 177 €Q1·25Q2 2025 Company: 4 894 € Industry median: 1 194 €Q3 2025 Company: 5 241 € Industry median: 1 250 €Q3·25Q4 2025 Company: 4 418 € Industry median: 1 270 €Q1 2026 Company: 5 656 € Industry median: 1 202 €Q1·26Q2 2026 Company: 4 760 € Industry median: 1 197 €Q3 2026 Company: 5 083 € Industry median: 1 236 €Q3·26
  • Company
  • Industry median

Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Employees Q3 2026: 14 · +0.0% vs Q2 2026
05101520Q4 2023 Company: 16Q4·23Q1 2024 Company: 16Q2 2024 Company: 17Q2·24Q3 2024 Company: 16Q4 2024 Company: 16Q4·24Q1 2025 Company: 16Q2 2025 Company: 15Q2·25Q3 2025 Company: 15Q4 2025 Company: 15Q4·25Q1 2026 Company: 14Q2 2026 Company: 14Q2·26Q3 2026 Company: 14Q3·2605101520Q4 2024 Company: 16Q1 2025 Company: 16Q1·25Q2 2025 Company: 15Q3 2025 Company: 15Q3·25Q4 2025 Company: 15Q1 2026 Company: 14Q1·26Q2 2026 Company: 14Q3 2026 Company: 14Q3·26
State taxes, € thousand Q3 2026: 143 510 € · −43.1% vs Q2 2026
0100200300400500Q4 2023 Company: 210 665 €Q4·23Q1 2024 Company: 455 361 €Q2 2024 Company: 112 578 €Q2·24Q3 2024 Company: 115 542 €Q4 2024 Company: 181 496 €Q4·24Q1 2025 Company: 96 410 €Q2 2025 Company: 106 533 €Q2·25Q3 2025 Company: 116 016 €Q4 2025 Company: 87 024 €Q4·25Q1 2026 Company: 112 487 €Q2 2026 Company: 252 397 €Q2·26Q3 2026 Company: 143 510 €Q3·260100200300Q4 2024 Company: 181 496 €Q1 2025 Company: 96 410 €Q1·25Q2 2025 Company: 106 533 €Q3 2025 Company: 116 016 €Q3·25Q4 2025 Company: 87 024 €Q1 2026 Company: 112 487 €Q1·26Q2 2026 Company: 252 397 €Q3 2026 Company: 143 510 €Q3·26
Figures by quarter
Quarter Turnover, € State taxes, € Labour taxes, € Employees
Q3 2026 1 118 449 143 510 71 166 14
Q2 2026 1 599 906 252 397 66 633 14
Q1 2026 549 441 112 487 79 183 14
Q4 2025 762 070 87 024 66 267 15
Q3 2025 822 561 116 016 78 612 15
Q2 2025 1 195 968 106 533 73 409 15
Q1 2025 967 292 96 410 71 948 16
Q4 2024 775 292 181 496 79 674 16
Q3 2024 1 694 589 115 542 72 068 16
Q2 2024 1 896 290 112 578 64 936 17
Q1 2024 3 601 117 455 361 68 700 16
Q4 2023 1 899 689 210 665 62 833 16
Q3 2023 1 592 240 173 414 61 040 15
Q2 2023 1 464 590 165 537 52 795 16
Q1 2023 1 111 560 214 789 60 012 15
Q4 2022 757 007 99 832 67 679 15
Q3 2022 1 417 563 124 826 63 073 15
Q2 2022 2 218 598 214 503 62 637 15
Q1 2022 1 035 698 132 336 61 437 15
Labour taxes per employee per month
1 694 €
Turnover per employee in the quarter
79 889 €

Q3 2026 · calculated from EMTA data

Financials by year

2016 – 2025
Revenue, € thousand 2025: 4 313 751 € · −26.8% vs 2024 · industry median 37 328 € · above 98% of the industry
02 0004 0006 0008 0002016 Company: — Industry median: —20162017 Company: — Industry median: —20172018 Company: — Industry median: —20182019 Company: 4 637 669 € Industry median: 37 051 €20192020 Company: 2 367 807 € Industry median: 33 953 €20202021 Company: 4 842 552 € Industry median: 35 073 €20212022 Company: 5 066 531 € Industry median: 37 940 €20222023 Company: 6 367 189 € Industry median: 35 936 €20232024 Company: 5 890 346 € Industry median: 35 372 €20242025 Company: 4 313 751 € Industry median: 37 328 €202502 0004 0006 0008 0002018 Company: — Industry median: —2019 Company: 4 637 669 € Industry median: 37 051 €20192020 Company: 2 367 807 € Industry median: 33 953 €2021 Company: 4 842 552 € Industry median: 35 073 €20212022 Company: 5 066 531 € Industry median: 37 940 €2023 Company: 6 367 189 € Industry median: 35 936 €20232024 Company: 5 890 346 € Industry median: 35 372 €2025 Company: 4 313 751 € Industry median: 37 328 €2025
  • Company
  • Industry median

Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit, € thousand 2025: 277 918 € · +94.1% vs 2024 · industry median 561 € · above 98% of the industry
-20002004006002016 Company: — Industry median: —20162017 Company: — Industry median: —20172018 Company: — Industry median: —20182019 Company: 7 811 € Industry median: 1 030 €20192020 Company: -174 597 € Industry median: 507 €20202021 Company: 16 173 € Industry median: 785 €20212022 Company: 394 906 € Industry median: 823 €20222023 Company: 410 462 € Industry median: 581 €20232024 Company: 143 201 € Industry median: 432 €20242025 Company: 277 918 € Industry median: 561 €2025-20002004006002018 Company: — Industry median: —2019 Company: 7 811 € Industry median: 1 030 €20192020 Company: -174 597 € Industry median: 507 €2021 Company: 16 173 € Industry median: 785 €20212022 Company: 394 906 € Industry median: 823 €2023 Company: 410 462 € Industry median: 581 €20232024 Company: 143 201 € Industry median: 432 €2025 Company: 277 918 € Industry median: 561 €2025
  • Company
  • Industry median

Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit margin, % 2025: 6.4 % · +4.0 pp vs the year before · industry median 3.9 % · above 57% of the industry
-10-505102016 Company: — Industry median: —20162017 Company: — Industry median: —20172018 Company: — Industry median: —20182019 Company: 0.2 % Industry median: 5.3 %20192020 Company: -7.4 % Industry median: 4.1 %20202021 Company: 0.3 % Industry median: 4.7 %20212022 Company: 7.8 % Industry median: 4.8 %20222023 Company: 6.4 % Industry median: 4.4 %20232024 Company: 2.4 % Industry median: 3.4 %20242025 Company: 6.4 % Industry median: 3.9 %2025-10-505102018 Company: — Industry median: —2019 Company: 0.2 % Industry median: 5.3 %20192020 Company: -7.4 % Industry median: 4.1 %2021 Company: 0.3 % Industry median: 4.7 %20212022 Company: 7.8 % Industry median: 4.8 %2023 Company: 6.4 % Industry median: 4.4 %20232024 Company: 2.4 % Industry median: 3.4 %2025 Company: 6.4 % Industry median: 3.9 %2025
  • Company
  • Industry median

Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Assets, € thousand 2025: 1 060 320 € · −41.4% vs 2024
01 0002 0003 0004 0002016 Company: —20162017 Company: —20172018 Company: —20182019 Company: 1 632 940 €20192020 Company: 1 059 457 €20202021 Company: 1 253 353 €20212022 Company: 1 667 790 €20222023 Company: 3 353 963 €20232024 Company: 1 809 521 €20242025 Company: 1 060 320 €202501 0002 0003 0004 0002018 Company: —2019 Company: 1 632 940 €20192020 Company: 1 059 457 €2021 Company: 1 253 353 €20212022 Company: 1 667 790 €2023 Company: 3 353 963 €20232024 Company: 1 809 521 €2025 Company: 1 060 320 €2025
Equity, € thousand 2025: 671 270 € · +70.7% vs 2024
02004006008001 0002016 Company: —20162017 Company: —20172018 Company: —20182019 Company: 661 444 €20192020 Company: 486 846 €20202021 Company: 506 750 €20212022 Company: 901 656 €20222023 Company: 653 518 €20232024 Company: 393 352 €20242025 Company: 671 270 €202502004006008001 0002018 Company: —2019 Company: 661 444 €20192020 Company: 486 846 €2021 Company: 506 750 €20212022 Company: 901 656 €2023 Company: 653 518 €20232024 Company: 393 352 €2025 Company: 671 270 €2025
Employees 2025: 16 · +0.0% vs 2024 · industry median 1 · above 98% of the industry
05101520252016 Company: 23 Industry median: —20162017 Company: 19 Industry median: —20172018 Company: 19 Industry median: 220182019 Company: 18 Industry median: 220192020 Company: 18 Industry median: 220202021 Company: 15 Industry median: 220212022 Company: 15 Industry median: 220222023 Company: 15 Industry median: 120232024 Company: 16 Industry median: 120242025 Company: 16 Industry median: 12025051015202018 Company: 19 Industry median: 22019 Company: 18 Industry median: 220192020 Company: 18 Industry median: 22021 Company: 15 Industry median: 220212022 Company: 15 Industry median: 22023 Company: 15 Industry median: 120232024 Company: 16 Industry median: 12025 Company: 16 Industry median: 12025
  • Company
  • Industry median

Industry: Specialised construction 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 4 313 751 277 918 679 201 1 060 320 671 270 16
2024 5 890 346 143 201 638 957 1 809 521 393 352 16
2023 6 367 189 410 462 577 190 3 353 963 653 518 15
2022 5 066 531 394 906 613 196 1 667 790 901 656 15
2021 4 842 552 16 173 501 305 1 253 353 506 750 15
2020 2 367 807 -174 597 427 623 1 059 457 486 846 18
2019 4 637 669 7 811 414 458 1 632 940 661 444 18
2018 — — — — — 19
2017 — — — — — 19
2016 — — — — — 23
2015 — — — — — 18
2014 — — — — — 15
2013 — — — — — 12
2012 — — — — — 4
2011 — — — — — 0
2010 — — — — — 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

Net profit margin
6.4 %
Net profit / revenue
Return on equity (ROE)
41.4 %
Net profit / equity
Return on assets (ROA)
26.2 %
Net profit / assets
Equity ratio
63.3 %
Equity / assets
Debt ratio
36.7 %
Liabilities / assets
Current ratio
1.53
Current assets / current liabilities
Revenue per employee
269 609 €
Revenue / average full-time employees
Labour cost per employee per month
3 538 €
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 13 May 2026 Company’s own · audited e-Äriregister
2024 1 Jan 2024 – 31 Dec 2024 30 Jun 2025 Company’s own · audited e-Äriregister
2023 1 Jan 2023 – 31 Dec 2023 22 Apr 2024 Company’s own · audited e-Äriregister
2022 1 Jan 2022 – 31 Dec 2022 26 Apr 2023 Company’s own · audited e-Äriregister
2021 1 Jan 2021 – 31 Dec 2021 21 Jun 2022 Company’s own · audited e-Äriregister
2020 1 Jan 2020 – 31 Dec 2020 12 Apr 2022 Company’s own · audited e-Äriregister
2019 1 Jan 2019 – 31 Dec 2019 30 Jun 2020 Company’s own · audited e-Äriregister

Board

Right of representation

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

Owners

Beneficial owners

  • Allan Susi
    Member of a senior management body (management or supervisory board) · since 8 May 2026
  • Marko Smirnov
    Member of a senior management body (management or supervisory board) · since 8 May 2026
  • Virgo Soe
    Member of a senior management body (management or supervisory board) · since 2 Oct 2023

Founders and other persons

shared board members, owners or beneficial owners

Activities (EMTAK)

  • 4322Plumbing, heat and air-conditioning installation Main
  • 68201Rental and operating of own or leased real estate

Rulings 15

All rulings (PDF)
Rulings
Number, date Title Deadline State Document
Ä 10141037 / 12
25 Sep 2023
 Amendment entry In force
25 Sep 2023
 PDF
Ä 10141037 / 11
2 Sep 2023
 Amendment entry In force
2 Sep 2023
 PDF
Ä 10141037 / 10
3 Mar 2023
 Entry refused: deficiencies not eliminated In force
24 Mar 2023
 PDF
Ä 10141037 / M3
31 Jan 2023
 Ruling to eliminate deficiencies 2 Mar 2023 In force
31 Jan 2023
 PDF
Ä 10141037 / 9
31 Jan 2023
 Amendment entry In force
31 Jan 2023
 PDF
Ä 10141037 / 8
6 Jan 2023
 Amendment entry In force
6 Jan 2023
 PDF
Ä 10141037 / M2
5 Jan 2023
 Ruling to eliminate deficiencies 19 Jan 2023 Deficiencies eliminated
6 Jan 2023
 PDF
Ä 10141037 / 7
17 Jan 2018
 Amendment entry In force
17 Jan 2018
 PDF
Ä 10141037 / 6
1 Dec 2017
 Amendment entry In force
1 Dec 2017
 PDF
Ä 10141037 / 5
12 Sep 2016
 Amendment entry In force
12 Sep 2016
 PDF
Ä 10141037 / 4
2 Jul 2014
 Amendment entry In force
2 Jul 2014
 PDF
Ä 10141037 / M1
25 Jun 2014
 Ruling to eliminate deficiencies 25 Jul 2014 Deficiencies eliminated
25 Jun 2014
 PDF
Ä 10141037 / 3
23 Jan 2012
 Amendment entry In force
23 Jan 2012
 PDF
Ä 10141037 / 2
3 Oct 2011
 Amendment under Commercial Code § 525 (2) In force
3 Oct 2011
 PDF
Ä 141037
5 Jan 2010
 First entry In force
5 Jan 2010
 PDF

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