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Patendibüroo KÄOSAAR OÜ

Legal form:

Private limited company

Registry code:

10081689

VAT no.:

EE100019975

Fiscal-year period:

01.01 - 31.12

Established:

21.08.1996 (29)

Former business names:

Aktsiaselts Käosaar & CO, Patendibüroo Käosaar & Co OÜ

Capital:

30 000 EUR

Address:

Tähe tn 94, Tartu linn, Tartu linn, Tartu maakond, 50107

Status:

Registered

Contacts

Email:

info@kaosaar.ee

Phone:

+372 7383051

Website:

https://www.kaosaar.ee

Industries

PROFESSIONAL, SCIENTIFIC AND TECHNICAL ACTIVITIES
Legal activities and accounting
Legal activities
69109 - Other legal activities

VAT liability

	Start	End
EE100019975	01.01.1994

Annual reports

Aggregate data

	Period	Submitted
2025	01.01.2025 - 31.12.2025	23.04.2026	Valid
2024	01.01.2024 - 31.12.2024	29.04.2025	Valid
2023	01.01.2023 - 31.12.2023	28.02.2024	Valid
2022	01.01.2022 - 31.12.2022	21.02.2023	Valid
2021	01.01.2021 - 31.12.2021	02.04.2022	Valid
2020	01.01.2020 - 31.12.2020	22.06.2021	Valid
2019	01.01.2019 - 31.12.2019	30.06.2020	Valid
2018	01.01.2018 - 31.12.2018	01.04.2019	Valid
2017	01.01.2017 - 31.12.2017	26.03.2018	Valid
2016	01.01.2016 - 31.12.2016	31.03.2017	Valid
2015	01.01.2015 - 31.12.2015	19.04.2016	Valid
2014	01.01.2014 - 31.12.2014	16.06.2015	Valid
2013	01.01.2013 - 31.12.2013	02.05.2014	Valid
2012	01.01.2012 - 31.12.2012	30.01.2013	Valid
2011	01.01.2011 - 31.12.2011	28.03.2012	Valid
2010	01.01.2010 - 31.12.2010	20.05.2011	Valid
2009	01.01.2009 - 31.12.2009	30.04.2010	Valid
2008	01.01.2008 - 31.12.2008	07.05.2009	Valid
2007	01.01.2007 - 31.12.2007	10.06.2008	Valid
2006	01.01.2006 - 31.12.2006	14.06.2007	Valid
2005	01.01.2005 - 31.12.2005	29.06.2006	Valid
2004	01.01.2004 - 31.12.2004	03.06.2005	Valid
2003	01.01.2003 - 31.12.2003	10.06.2004	Valid
2002	01.01.2002 - 31.12.2002	20.05.2003	Valid
2001	01.01.2001 - 31.12.2001	22.05.2002	Valid
2000	01.01.2000 - 31.12.2000	26.06.2001	Valid

Unsubmitted declarations

No unsubmitted declarations found

No unsubmitted declarations as of 06.06.2026.

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Credit rating

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020406080100

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Tax data

	State taxes	Labour taxes	Taxable turnover	Employees
2026 Q1	65 230 €	46 675 €	256 412 €20.5%	10
Kokku 2026:	65 230 €	46 675 €	256 412 €
2025 Q4	80 681 €	49 683 €	322 462 €16.1%	11
2025 Q3	71 019 €	49 622 €	277 821 €6.9%	11
2025 Q2	101 383 €	48 771 €	259 855 €1.1%	11
2025 Q1	69 598 €	47 511 €	262 863 €17.7%	11
Kokku 2025:	322 681 €	195 587 €	1 123 001 €24.5%
2024 Q4	83 150 €	50 502 €	319 528 €2.5%	11
2024 Q3	71 890 €	45 844 €	311 712 €24.7%	12
2024 Q2	97 461 €	41 060 €	414 048 €6.4%	11
2024 Q1	102 456 €	49 775 €	442 503 €33.8%	10
Kokku 2024:	354 957 €	187 181 €	1 487 791 €11.0%
2023 Q4	69 157 €	43 793 €	330 829 €0.9%	10
2023 Q3	68 548 €	43 088 €	327 783 €1.3%	13
2023 Q2	66 490 €	41 876 €	332 117 €5.1%	13
2023 Q1	95 671 €	48 060 €	349 871 €30.8%	14
Kokku 2023:	299 866 €	176 816 €	1 340 599 €7.8%
2022 Q4	85 588 €	42 856 €	505 883 €53.3%	14
2022 Q3	63 459 €	40 540 €	329 913 €7.1%	14
2022 Q2	77 026 €	45 973 €	308 159 €0.4%	14
2022 Q1	62 961 €	43 233 €	309 379 €18.0%	15
Kokku 2022:	289 035 €	172 602 €	1 453 334 €1.2%
2021 Q4	63 469 €	44 589 €	377 094 €30.3%	14
2021 Q3	56 444 €	47 267 €	289 412 €32.4%	16
2021 Q2	115 275 €	66 020 €	427 878 €13.5%	17
2021 Q1	61 812 €	51 773 €	377 126 €1.7%	17
Kokku 2021:	297 001 €	209 649 €	1 471 510 €1.9%
2020 Q4	62 608 €	52 663 €	370 935 €13.1%	17
2020 Q3	62 392 €	49 645 €	327 961 €16.3%	17
2020 Q2	105 652 €	57 972 €	391 715 €4.4%	17
2020 Q1	59 177 €	48 184 €	409 936 €28.1%	17
Kokku 2020:	289 829 €	208 463 €	1 500 547 €4.7%
2019 Q4	57 180 €	54 450 €	320 019 €4.2%	17
2019 Q3	46 912 €	49 669 €	333 938 €12.3%	17
2019 Q2	110 750 €	54 873 €	380 581 €4.7%	17
2019 Q1	51 839 €	50 138 €	399 193 €7.2%	17
Kokku 2019:	266 681 €	209 130 €	1 433 731 €5.8%
2018 Q4	54 128 €	52 387 €	430 325 €30.3%	17
2018 Q3	45 107 €	47 263 €	330 292 €14.3%	16
2018 Q2	101 787 €	48 834 €	385 436 €2.6%	16
2018 Q1	40 244 €	41 964 €	375 503 €10.3%	16
Kokku 2018:	241 266 €	190 448 €	1 521 556 €18.7%
2017 Q4	42 085 €	44 333 €	340 364 €1.5%	15
2017 Q3	33 874 €	36 002 €	335 414 €9.5%	15
2017 Q2	86 820 €	34 499 €	306 397 €2.4%	14
2017 Q1	37 346 €	38 809 €	299 176 €8.0%	14
Kokku 2017:	200 125 €	153 643 €	1 281 351 €11.0%
2016 Q4	43 670 €	46 162 €	325 275 €17.8%	12
2016 Q3	37 696 €	39 201 €	276 225 €0.2%	12
2016 Q2	89 786 €	39 273 €	276 728 €0.1%	12
2016 Q1	37 583 €	39 232 €	276 444 €10.7%	12
Kokku 2016:	208 735 €	163 868 €	1 154 672 €10.9%
2015 Q4	43 953 €	46 259 €	309 674 €23.8%	12
2015 Q3	35 530 €	37 380 €	250 231 €4.6%	12
2015 Q2	78 876 €	35 729 €	239 183 €1.2%	12
2015 Q1	34 231 €	36 171 €	242 137 €	12
Kokku 2015:	192 590 €	155 539 €	1 041 225 €

Revenue by industry

	2023	2024	2025
Other legal activities	1 098 635 €	1 056 091 €	899 403 €

Tax debts

No tax debt found

No tax debt as of 06.06.2026

Representatives

Name	Personal ID code	Date of birth	Role	Start	End
Kristiina Aasna	48210XXXXXX	08.10.1982 (43)	Board member	12.03.2026	-
Anneli Kapp	47910XXXXXX	25.10.1979 (46)	Board member	26.03.2014	-
Kalev Käosaar	37401XXXXXX	26.01.1974 (52)	Board member	26.10.2007	-

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

1 - 3 / 3 rows

Shareholders

Name	Personal ID code	Date of birth	Role	Share	%	Type	Start	End
Aivo Arula	36310XXXXXX	05.10.1963 (62)	Shareholder	3 000,00 EUR	10	Sole ownership	31.03.2026	-
Anneli Kapp	47910XXXXXX	25.10.1979 (46)	Shareholder	9 300,00 EUR	31	Sole ownership	31.03.2026	-
Patendibüroo KÄOSAAR OÜ	-	21.08.1996 (29)	Shareholder	1 500,00 EUR	5	Sole ownership	31.03.2026	-
Kalev Käosaar	37401XXXXXX	26.01.1974 (52)	Shareholder	10 200,00 EUR	34	Sole ownership	09.06.2025	-
Kristiina Aasna	48210XXXXXX	08.10.1982 (43)	Shareholder	3 000,00 EUR	10	Sole ownership	08.04.2025	-

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

1 - 5 / 7 rows

Other persons

Name	Personal ID code	Date of birth	Role	Start	End
No results found

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

Ultimate beneficial owners

Name	Personal ID code	Date of birth	Role	Start	End
Anneli Kapp	47910XXXXXX	25.10.1979 (46)	Direct holding	09.10.2018	-
Kalev Käosaar	37401XXXXXX	26.01.1974 (52)	Direct holding	09.10.2018	-

1 - 2 / 2 rows

Holdings in companies

Company	Registered	Role	Share	%	Type	Start	End
Patendibüroo KÄOSAAR OÜ	21.08.1996	Shareholder	1 500,00 EUR	5	Sole ownership	31.03.2026	-

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

1 - 1 / 1 rows

2026 Q1

Turnover

Amount

256 412 €

Monthly average

85 471 €

Per employee

8 547 €

Equity ratio

284,90%

Labour taxes

Turnover ratio

18,20%

Tax ratio

71,55%

Monthly average

15 558 €

Per employee

1 482 €

State taxes

Monthly average

21 743 €

Turnover ratio

25,44%

Estimated salary

Gross salary

2 737 €

Net salary

2 180 €

Aggregate data

	2025	2024	2023	2022	2021	2020	2019
Current assets	837 485 €9.6%	926 818 €5.6%	981 398 €10.8%	886 006 €16.2%	762 801 €12.5%	871 435 €5.0%	917 101 €
Non-current assets	6 742 €6.5%	7 211 €20.6%	9 087 €17.1%	10 963 €14.6%	12 839 €51.1%	26 281 €39.7%	43 571 €
Total assets	844 227 €9.6%	934 029 €5.7%	990 485 €10.4%	896 969 €15.6%	775 640 €13.6%	897 716 €6.6%	960 672 €
Short-term liabilities	73 521 €14.7%	86 148 €10.6%	96 381 €4.2%	100 639 €38.4%	72 714 €25.2%	58 068 €32.4%	85 868 €
Long-term liabilities	-	-	-	-	-	-	-
Total liabilities	73 521 €14.7%	86 148 €10.6%	96 381 €4.2%	100 639 €38.4%	72 714 €25.2%	58 068 €32.4%	85 868 €
Share or stock capital	30 000 €	30 000 €	30 000 €	30 000 €	30 000 €	30 000 €	30 000 €
Retained earnings	707 831 €1.2%	699 104 €4.1%	671 454 €5.8%	634 676 €4.0%	610 147 €10.2%	679 805 €6.7%	637 360 €
Net profit	32 875 €72.3%	118 777 €38.3%	192 650 €46.3%	131 654 €109.7%	62 779 €51.7%	129 843 €37.4%	207 444 €
Equity	770 706 €9.1%	847 881 €5.2%	894 104 €12.3%	796 330 €13.3%	702 926 €16.3%	839 648 €4.0%	874 804 €
Turnover	899 403 €14.8%	1 056 091 €3.9%	1 098 635 €2.1%	1 076 347 €7.0%	1 157 058 €5.6%	1 225 970 €6.0%	1 304 718 €
Profit margin	3.66%67.5%	11.25%35.9%	17.54%43.4%	12.23%125.4%	5.43%48.8%	10.59%33.4%	15.90%

Financial ratios

	2024	2023	2022	2021	2020
Profit and cash flow
EBITDA	VOO CAO	DOD NSB	MJT MQG	118 442	186 453
Liquidity
Current ratio	FH.H	IK.O	D.W	10.5	15.0
Quick ratio	KQ.C	NM.K	I.S	10.5	15.0
Cash ratio	N.Q	G.Z	X.Q	4.8	8.4
Efficiency
Days sales outstanding (dso)	QYM.W	FFD.U	PXA.R	125.4	119.1
Asset turnover	D.O	Y.B	H.U	1.4	1.3
Structure
Debt ratio	X.N	J.M	G.L	0.1	0.1
Profitability
Operating margin	VG.Y%	TA.B%	KD.A%	9.1%	13.8%
Net profit margin	RL.T%	PN.Y%	OJ.C%	5.4%	10.6%
Return on assets (roa)	VG.Y%	UI.L%	NA.U%	7.5%	14.0%
Return on equity (roe)	NR.P%	BW.Q%	OS.S%	8.9%	15.5%

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Licences & notices

No licenses and notices found

Company has no active licenses and business activity notices

Regulations

Regulation no.	Date	Type	Deadline	Status
Ä 20000855 / 21	31.03.2026	Entry - Amendment entry		Entered into force (31.03.2026)
Ä 20000855 / 20	12.03.2026	Entry - Amendment entry		Entered into force (12.03.2026)
Ä 20000855 / 19	09.06.2025	Entry - Amendment entry		Entered into force (09.06.2025)
Ä 20000855 / 18	20.05.2025	Entry order ex-officio - Amendment entry		Entered into force (20.05.2025)
Ä 20000855 / M8	20.05.2025	Order demanding payment of fee (NAP) - Change of shareholders	06.06.2025	Entered into force (07.06.2025)

1 - 5 / 30 rows

Real estate

No real estate found

Company has no real estate

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

Consumer Disputes Committee decisions

No consumer dispute committee decisions found

Company has not been issued consumer dispute committee decisions

Court decisions

Case number	Procedure type	Judgment type	Category	Judges	ECLI	Date	Participants
2-24-126442/9	Civil case	Court ruling (Compromise ruling)	Law of obligations	Merit Helm	ECLI:EE:HMK:2025:2.24.126442.2042	20.02.2025
2-24-126684/15	Civil case	Court ruling (Compromise ruling)	Protection of intellectual property	Anu Uritam	ECLI:EE:HMK:2025:2.24.126684.2511	19.02.2025

1 - 2 / 2 rows

Official announcements

No official announcements found

Company has no issued official announcements

Public transactions

Date	Party	Amount	Classification
24.04.2026	Tallinna Tehnoloogiakolledž	959.00 € Received	OPERATING EXPENSES Vocational education
31.03.2026	Tallinna Tehnikaülikool	615.04 € Received	OPERATING EXPENSES R&D in education
16.03.2026	Tallinna Tehnoloogiakolledž	502.20 € Received	OPERATING EXPENSES Vocational education
13.03.2026	sihtasutus Tartu Ülikooli Kliinikum	669.60 € Received	OPERATING EXPENSES General hospital services
13.03.2026	Rahvusooper Estonia	393.40 € Received	OPERATING EXPENSES Theatres

1 - 5 / 74 rows

.ee domains

Domain	Status	Registered	Expires	End
droneacademy.ee	Active	25.08.2025	26.08.2026	-
drooniakadeemia.ee	Active	25.08.2025	26.08.2026	-
technotln.ee	Active	23.08.2025	24.08.2026	-
techno.ee	Active	30.03.2017	31.03.2027	-
käosaar.ee	Active	23.05.2011	21.12.2026	-

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

1 - 5 / 6 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