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O3 Technology OÜ

Legal form:

Private limited company

Registry code:

14062364

VAT no.:

EE101883922

Fiscal-year period:

01.01 - 31.12

Established:

06.06.2016 (10)

Capital:

6 000 EUR

Address:

Vesipapi tn 2, Kristiine linnaosa, Tallinn, Harju maakond, 12619

Status:

Registered

E-arvete vastuvõtmine:

Telema

Contacts

Email:

info@o3.ee

Phone:

+372 53870338

Website:

https://o3.ee/

Industries

PROFESSIONAL, SCIENTIFIC AND TECHNICAL ACTIVITIES
Architectural & engineering activities; technical testing and analysis
Architectural & engineering activities and technical consultancy
Engineering activities and related technical consultancy
71121 - Construction engineering design and consultancy

VAT liability

	Start	End
EE101883922	09.06.2016

Annual reports

Aggregate data

	Period	Submitted
2025	01.01.2025 - 31.12.2025	30.06.2026	Valid
2024	01.01.2024 - 31.12.2024	30.06.2025	Valid
2023	01.01.2023 - 31.12.2023	16.04.2024	Valid
2022	01.01.2022 - 31.12.2022	29.06.2023	Valid
2021	01.01.2021 - 31.12.2021	05.05.2022	Valid
2020	01.01.2020 - 31.12.2020	11.06.2021	Valid
2019	01.01.2019 - 31.12.2019	17.04.2020	Valid
2018	01.01.2018 - 31.12.2018	12.04.2019	Valid
2017	01.01.2017 - 31.12.2017	02.03.2018	Valid
2016	06.06.2016 - 31.12.2016	27.02.2017	Valid

Unsubmitted declarations

No unsubmitted declarations found

No unsubmitted declarations as of 22.07.2026.

???

Credit rating

Hidden

Credit rating is based on company financial data and payment behavior. detailed analysis available to regia+ users.

020406080100

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Tax data

	State taxes	Labour taxes	Taxable turnover	Employees
2026 Q2	48 523 €	22 641 €	363 527 €22.0%	3
2026 Q1	40 255 €	21 500 €	297 987 €21.3%	3
Kokku 2026:	88 778 €	44 141 €	661 514 €
2025 Q4	52 924 €	21 183 €	378 425 €19.2%	3
2025 Q3	40 115 €	20 834 €	317 581 €34.6%	3
2025 Q2	67 375 €	20 652 €	485 877 €11.1%	3
2025 Q1	51 864 €	19 977 €	437 138 €49.2%	5
Kokku 2025:	212 278 €	82 646 €	1 619 021 €17.6%
2024 Q4	11 101 €	18 328 €	293 070 €16.0%	5
2024 Q3	54 974 €	31 499 €	348 715 €13.8%	5
2024 Q2	80 861 €	47 511 €	404 614 €22.6%	8
2024 Q1	58 319 €	39 914 €	330 000 €5.0%	10
Kokku 2024:	205 255 €	137 252 €	1 376 399 €2.4%
2023 Q4	58 458 €	41 659 €	347 422 €19.3%	10
2023 Q3	40 584 €	43 415 €	291 334 €19.9%	10
2023 Q2	50 210 €	45 275 €	363 863 €6.6%	8
2023 Q1	50 583 €	42 623 €	341 294 €1.9%	9
Kokku 2023:	199 834 €	172 972 €	1 343 913 €0.6%
2022 Q4	47 349 €	36 293 €	347 926 €0.4%	9
2022 Q3	72 886 €	36 800 €	346 532 €7.2%	9
2022 Q2	44 053 €	19 172 €	373 296 €31.4%	9
2022 Q1	33 801 €	21 166 €	284 106 €11.4%	5
Kokku 2022:	198 089 €	113 431 €	1 351 859 €53.3%
2021 Q4	30 602 €	20 870 €	255 128 €20.4%	6
2021 Q3	29 828 €	17 405 €	211 879 €0.0%	6
2021 Q2	19 922 €	17 525 €	211 807 €4.3%	7
2021 Q1	15 254 €	11 865 €	203 126 €18.7%	9
Kokku 2021:	95 606 €	67 665 €	881 940 €6.6%
2020 Q4	13 273 €	7 382 €	249 927 €33.4%	4
2020 Q3	9 245 €	8 311 €	187 303 €30.3%	4
2020 Q2	29 745 €	7 438 €	268 863 €12.7%	5
2020 Q1	14 205 €	8 298 €	238 576 €5.8%	5
Kokku 2020:	66 468 €	31 430 €	944 669 €8.8%
2019 Q4	15 998 €	8 391 €	253 331 €11.0%	5
2019 Q3	17 743 €	5 369 €	228 249 €1.5%	5
2019 Q2	15 259 €	4 252 €	224 772 €38.6%	4
2019 Q1	12 800 €	4 697 €	162 150 €6.6%	4
Kokku 2019:	61 800 €	22 709 €	868 502 €29.3%
2018 Q4	10 999 €	4 191 €	173 588 €0.7%	5
2018 Q3	17 509 €	6 770 €	174 740 €31.4%	5
2018 Q2	23 574 €	4 992 €	132 987 €30.1%	5
2018 Q1	24 737 €	4 700 €	190 379 €6.2%	3
Kokku 2018:	76 819 €	20 653 €	671 694 €46.3%
2017 Q4	10 613 €	1 688 €	179 218 €59.3%	4
2017 Q3	2 380 €	0 €	112 505 €18.4%	0
2017 Q2	11 051 €	0 €	95 035 €31.5%	0
2017 Q1	6 398 €	0 €	72 268 €	0
Kokku 2017:	30 442 €	1 688 €	459 026 €
2016 Q4	4 348 €	0 €	0 €	0
2016 Q3	0 €	0 €	0 €	0
2016 Q2	0 €	0 €	0 €	0
Kokku 2016:	4 348 €	0 €	0 €

Revenue by industry

	2023	2024	2025
Construction engineering design and consultancy	1 322 122 €	1 460 629 €	1 458 773 €

Tax debts

No tax debt found

No tax debt as of 22.07.2026

Representatives

Name	Personal ID code	Date of birth	Role	Start	End
Mats Viisileht	39001XXXXXX	04.01.1990 (36)	Board member	24.04.2024	-
Mihkel Hiielaid	39307XXXXXX	07.07.1993 (33)	Board member	24.04.2024	-

4 inactive record hidden, extended access to the information portal is required to view history!

1 - 2 / 2 rows

Shareholders

Name	Personal ID code	Date of birth	Role	Share	%	Type	Start	End
Hiimek OÜ	-	18.05.2021 (5)	Shareholder	1 500,00 EUR	25	Sole ownership	25.04.2025	-
MAVI OÜ	-	20.02.2024 (2)	Shareholder	1 500,00 EUR	25	Sole ownership	25.04.2025	-
Martin Kiil	38903XXXXXX	09.03.1989 (37)	Shareholder	1 500,00 EUR	25	Sole ownership	02.09.2023	-
Mikk Tasa	38705XXXXXX	11.05.1987 (39)	Shareholder	1 500,00 EUR	25	Sole ownership	02.09.2023	-

5 inactive record hidden, extended access to the information portal is required to view history!

1 - 4 / 4 rows

Other persons

Name	Personal ID code	Date of birth	Role	Start	End
Martin Kiil	38903XXXXXX	09.03.1989 (37)	Founder	06.06.2016	-
Mikk Tasa	38705XXXXXX	11.05.1987 (39)	Founder	06.06.2016	-
Targo Pomerants	38710XXXXXX	08.10.1987 (38)	Founder	06.06.2016	-

1 - 3 / 3 rows

Ultimate beneficial owners

Name	Personal ID code	Date of birth	Role	Start	End
Martin Kiil	38903XXXXXX	09.03.1989 (37)	Direct holding	16.10.2018	-
Mikk Tasa	38705XXXXXX	11.05.1987 (39)	Direct holding	16.10.2018	-

1 inactive record hidden, extended access to the information portal is required to view history!

1 - 2 / 2 rows

Holdings in companies

Company	Registered	Role	Share	%	Type	Start	End
O3 Energy OÜ	07.07.2017	Shareholder	3 000,00 EUR	100	Sole ownership	02.09.2023	-
O3 Inseneribüroo OÜ	30.07.2012	Shareholder	2 500,00 EUR	100	Sole ownership	01.09.2023	-

3 inactive record hidden, extended access to the information portal is required to view history!

1 - 2 / 2 rows

2026 Q2

Turnover

Amount

363 527 €

Monthly average

121 176 €

Per employee

40 392 €

Equity ratio

2 019,59%

Labour taxes

Turnover ratio

6,23%

Tax ratio

46,66%

Monthly average

7 547 €

Per employee

2 516 €

State taxes

Monthly average

16 174 €

Turnover ratio

13,35%

Estimated salary

Gross salary

4 477 €

Net salary

3 475 €

Aggregate data

	2025	2024	2023	2022	2021	2020	2019
Current assets	351 400 €7.0%	328 439 €61.0%	203 950 €47.6%	389 007 €31.4%	296 004 €21.9%	378 780 €20.1%	315 343 €
Non-current assets	110 579 €44.0%	197 580 €21.6%	251 968 €176.1%	91 260 €113.2%	42 814 €27.2%	58 837 €6.7%	63 044 €
Total assets	461 979 €12.2%	526 019 €15.4%	455 918 €5.1%	480 267 €41.7%	338 818 €22.6%	437 617 €15.7%	378 387 €
Short-term liabilities	122 994 €53.8%	265 997 €53.7%	173 031 €3.1%	178 482 €24.7%	143 144 €43.6%	99 712 €27.4%	78 250 €
Long-term liabilities	-	9 700 €12.5%	11 088 €289.7%	2 845 €33.0%	4 249 €57.0%	9 888 €	-
Total liabilities	122 994 €55.4%	275 697 €49.7%	184 119 €1.5%	181 327 €23.0%	147 393 €34.5%	109 600 €40.1%	78 250 €
Share or stock capital	6 000 €100.0%	3 000 €	3 000 €	3 000 €	3 000 €	3 000 €	3 000 €
Retained earnings	228 322 €12.2%	260 196 €11.8%	294 865 €96.9%	149 736 €53.8%	324 086 €33.7%	242 486 €7.2%	226 283 €
Net profit	104 663 €913.0%	-12 874 €50.6%	-26 066 €117.8%	146 204 €207.8%	-135 661 €264.4%	82 531 €16.5%	70 854 €
Equity	338 985 €35.4%	250 322 €7.9%	271 799 €9.1%	298 940 €56.2%	191 425 €41.6%	328 017 €9.3%	300 137 €
Turnover	1 456 823 €0.5%	1 450 129 €9.7%	1 322 122 €0.8%	1 332 173 €55.8%	854 899 €2.5%	876 740 €1.9%	860 461 €
Profit margin	7.18%909.2%	-0.89%55.0%	-1.97%118.0%	10.97%169.2%	-15.87%268.6%	9.41%14.3%	8.23%

Financial ratios

	2025	2024	2023	2022	2021
Profit and cash flow
EBITDA	JWN MKB	DT WMO	-CR NHP	160 144	13 520
Liquidity
Current ratio	K.U	S.J	L.A	2.5	1.9
Quick ratio	D.I	O.X	D.G	2.5	1.9
Cash ratio	I.K	H.O	X.B	0.7	0.6
Efficiency
Days sales outstanding (dso)	QN.R	ZY.T	JW.P	54.3	56.8
Asset turnover	X.V	X.L	E.Y	4.0	3.3
Structure
Debt ratio	W.H	Y.E	U.D	0.3	0.5
Profitability
Operating margin	V.I%	W.I%	-S.X%	11.5%	0.2%
Net profit margin	Z.W%	-I.O%	-D.E%	10.8%	0.1%
Return on assets (roa)	WY.X%	-Y.H%	-PV.N%	42.8%	0.4%
Return on equity (roe)	QG.U%	-I.P%	-QM.S%	56.3%	0.7%

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Licences & notices

Type	Number	Field	Status	Start	End
Notice of economic activity	FPR000441	- > Design / engineering	Valid	01.08.2023	-
Notice of economic activity	TEL002925	- > Electrical works	Valid	22.02.2017	-
Notice of economic activity	EEP003746	- > Design / engineering	Valid	30.11.2016	-

1 - 3 / 3 rows

Regulations

Regulation no.	Date	Type	Status
Ä 50031558 / 14	15.07.2026	Entry - Amendment entry under NSPA § 595¹ (1)	Entered into force (15.07.2026)
Ä 50031558 / 13	25.04.2025	Entry - Amendment entry	Entered into force (25.04.2025)
Ä 50031558 / 12	24.04.2024	Entry - Amendment entry	Entered into force (24.04.2024)
Ä 50031558 / 11	19.04.2024	Entry - Amendment entry	Entered into force (19.04.2024)
Ä 50031558 / 10	14.09.2023	Entry - Amendment entry	Entered into force (14.09.2023)

1 - 5 / 17 rows

Real estate

No real estate found

Company has no real estate

Consumer Disputes Committee decisions

No consumer dispute committee decisions found

Company has not been issued consumer dispute committee decisions

Official announcements

No official announcements found

Company has no issued official announcements

Public transactions

Date	Party	Amount	Classification
04.10.2024	Riigi Kinnisvara Aktsiaselts	6 039.00 € Received	OPERATING EXPENSES Other general services
29.12.2023	Eesti Teaduste Akadeemia Underi ja Tuglase Kirjandusinstituut	1 920.00 € Received	OPERATING EXPENSES R&D in education
13.10.2023	Majandus- ja Kommunikatsiooniministeerium	19 509.99 € Received	OTHER GRANTS General economic and trade policy
11.10.2023	Eesti Kunstiakadeemia	1 980.00 € Received	NON-CURRENT ASSETS Tertiary education
06.09.2023	Majandus- ja Kommunikatsiooniministeerium	22 218.16 € Received	OTHER GRANTS General economic and trade policy

1 - 5 / 24 rows

.ee domains

Domain	Status	Registered	Expires	End
o3.ee	Active	06.08.2012	07.08.2027	-

1 - 1 / 1 rows

Enforcement proceedings

No enforcement proceedings found

Company has no active debts with bailiffs

Payment orders

No payment orders found

Company has no court-ordered payment orders