10081689ActivePrivate limited companyVAT-registered

Patendibüroo KÄOSAAR OÜ

Registered 21. august 1996, primary activity: Other legal activities. Main place of business in Tartu linn, Tartu linn, Tartu maakond.

Tartu linn, Tartu linn, Tartu maakondEMTAK 69109Other legal activities29+ years
Updated 5 h ago
Revenue 2026 (I kv)
€256k
▼ 2% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
10
2026 (MTA)
Taxes paid
€112k
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 13.05.2026 (MTA)

Overview

e-Business Register · 5 h ago
Legal form
Private limited company
Date of first registration
21.08.1996e-Business Register
Address
Tähe tn 94, Tartu linn, Tartu linn, 50107 Tartu maakondADS · e-Business Register
E-mail address
[email protected]e-Business Register
Website
www.kaosaar.eee-Business Register · domain active
Telephone
+372 7383051e-Business Register
Principal activity
EMTAK 69109 — Other legal activitiese-Business Register · ETCB
VAT number
EE100019975ETCB · VAT-registered
Share capital
30 000,00 €e-Business Register

Officers (3)

e-Business Register · 5 h ago
KK
Born 1974 · 52 y · board member since 26.10.2007
Board member
AK
Born 1979 · 47 y · board member since 26.03.2014
Board member
KA
Born 1982 · 44 y · board member since 12.03.2026
Board member

Shareholders (7)

e-Business Register · 5 h ago
0%50%100%
Founder / management
100.0% · 7
#Shareholder%
134.00%
231.00%
310.00%
410.00%
55.00%
65.00%
75.00%
Concentration

How tightly the cap table is held. Top-N shows the combined stake of the largest N shareholders; the 80% line is the smallest group that together controls 80%; Gini is 0 when stakes are perfectly equal, 1 when one holder owns everything.

Top 1
34.0%
Top 3
75.0%
Top 5
90.0%
Top 10
100.0%
80% line
4 of 7
Gini
0.41

Dominant holder: 34.0% — non-controlling but blocking.

KK
Born 1974 · 52 y · shareholder since 09.06.2025
Shareholder 34% · €10k
AK
Born 1979 · 47 y · shareholder since 31.03.2026
Shareholder 31% · €9k
KA
Born 1982 · 44 y · shareholder since 08.04.2025
Shareholder 10% · €3k
AA
Born 1963 · 63 y · shareholder since 31.03.2026
Shareholder 10% · €3k
KK
Born 1986 · 40 y · shareholder since 01.09.2023
Shareholder 5% · €2k
AH
Born 1979 · 47 y · shareholder since 09.09.2024
Shareholder 5% · €2k
PK
Legal person · 10081689 · shareholder since 31.03.2026
Shareholder 5% · €2k

Beneficial owners (2)

e-Business Register · 5 h ago
AK
Born 1979 · 47 y · ultimate beneficial owner since 09.10.2018
Ultimate beneficial owner
KK
Born 1974 · 52 y · ultimate beneficial owner since 09.10.2018
Ultimate beneficial owner

Subsidiaries

e-Business Register · shareholders · 5 h ago

Patendibüroo KÄOSAAR OÜ is a shareholder or officer in 1 more company.

Tech stack

Website analysis · 2 h tagasi
Domains (1)
www.kaosaar.ee
Äriregister

Annual reports (7)

e-Business Register · annual reports · 3 päeva tagasi
Revenue · 2019–2025
€899klatest
€2.0m€1.0m0
2019: €1.3m2020: €1.2m2021: €1.2m2022: €1.1m2023: €1.1m2024: €1.1m2025: €899k
201920222025
Profit · 2019–2025
€33klatest
€500k€250k−1 €
2019: €207k2020: €130k2021: €63k2022: €132k2023: €193k2024: €119k2025: €33k
201920222025
YearRevenueProfitEquityAssetsEmployees
2025899 403 €32 875 €770 706 €€844k823.04.2026
20241 056 091 €118 777 €847 881 €€934k929.04.2025
20231 098 635 €192 650 €894 104 €€990k1028.02.2024
20221 076 347 €131 654 €796 330 €€897k1021.02.2023
20211 157 058 €62 779 €702 926 €€776k902.04.2022
20201 225 970 €129 843 €839 648 €€898k1322.06.2021
20191 304 718 €207 444 €874 804 €€961k1330.06.2020
Original files (PDF, XBRL) — in the e-Business Register.View reports on e-Business Register

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
€1.0m€500k0
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q256 412 €65 230 €46 675 €10
20251 123 001 €322 681 €195 587 €11
20241 487 791 €354 957 €187 181 €11
20231 340 600 €299 866 €176 817 €10
20221 453 334 €289 034 €172 602 €14
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2026€256k
State taxes 2026€65k
Taxes on workforce 2026€47k
Employees 202610
Revenue 2025€263k€260k€278k€322k
State taxes 2025€70k€101k€71k€81k
Taxes on workforce 2025€48k€49k€50k€50k
Employees 202511111111
Revenue 2024€443k€414k€312k€320k
State taxes 2024€102k€97k€72k€83k
Taxes on workforce 2024€50k€41k€46k€51k
Employees 202410111211
Revenue 2023€350k€332k€328k€331k
State taxes 2023€96k€66k€69k€69k
Taxes on workforce 2023€48k€42k€43k€44k
Employees 202314131210
Revenue 2022€309k€308k€330k€506k
State taxes 2022€63k€77k€63k€86k
Taxes on workforce 2022€43k€46k€41k€43k
Employees 202215141414

History (53)

e-Business Register · entries
31.03.2026
Amending entry
Entry no. 20
31.03.2026
Amending entry
Ä 20000855 / 21 · Status: In force
12.03.2026
Amending entry
Entry no. 19
12.03.2026
Amending entry
Ä 20000855 / 20 · Status: In force
09.06.2025
Amending entry
Entry no. 18
Show 48 more events
09.06.2025
Amending entry
Ä 20000855 / 19 · Status: In force
20.05.2025
Amending entry
Entry no. 17
20.05.2025
Amending entry
Ä 20000855 / 18 · Status: In force
20.05.2025
Osanike muutmine
Ä 20000855 / M8 · Status: In force
25.04.2025
Osanike muutmine
Ä 20000855 / M7 · Status: In force
08.04.2025
Amending entry
Entry no. 16
08.04.2025
Amending entry
Ä 20000855 / 17 · Status: In force
28.03.2025
Osanike muutmine
Ä 20000855 / M6 · Status: In force
17.10.2024
Osanike muutmine
Ä 20000855 / 16 · Status: In force
09.09.2024
Amending entry
Entry no. 15
09.09.2024
Amending entry
Ä 20000855 / 15 · Status: In force
09.09.2024
Osanike muutmine
Ä 20000855 / M5 · Status: In force
01.09.2023
Amending entry
Entry no. 14
01.09.2023
Amending entry
Ä 20000855 / 14 · Status: In force
18.01.2018
Amending entry
Entry no. 13
18.01.2018
Amending entry
Ä 20000855 / 13 · Status: In force
22.12.2017
Amending entry
Entry no. 12
22.12.2017
Amending entry
Ä 20000855 / 12 · Status: In force
03.12.2017
Amending entry
Entry no. 11
03.12.2017
Amending entry
Ä 20000855 / 11 · Status: In force
08.09.2016
Amending entry
Entry no. 10
08.09.2016
Amending entry
Ä 20000855 / 10 · Status: In force
06.09.2016
Amending entry
Ä 20000855 / M4 · Status: Puudused kõrvaldatud
17.09.2015
Amending entry
Entry no. 9
17.09.2015
Amending entry
Ä 20000855 / 9 · Status: In force
26.03.2014
Amending entry
Entry no. 8
26.03.2014
Amending entry
Ä 20000855 / M3 · Status: Puudused kõrvaldatud
26.03.2014
Amending entry
Ä 20000855 / 8 · Status: In force
14.02.2011
Toimiku dokumentide kontroll
Ä 20000855 / M2 · Status: In force
26.01.2011
Amending entry
Entry no. 7
26.01.2011
Amending entry
Ä 20000855 / 7 · Status: In force
25.01.2011
Amending entry
Ä 20000855 / M1 · Status: In force
23.12.2008
Amending entry
Entry no. 6
03.12.2008
Amending entry
Ä 855 / 6 · Status: In force
04.11.2008
Amending entry
Entry no. 5
04.11.2008
Amending entry
Ä 855 / 5 · Status: In force
26.10.2007
Amending entry
Entry no. 4
26.10.2007
Amending entry
Ä 855 / 4 · Status: In force
30.05.2006
Kommertspandi kustutamiskanne
Entry no. 3
30.05.2006
Kommertspandi kustutamiskanne
K 20328 / 3 · Status: In force
23.05.2006
Kommertspandi kustutamiskanne
K 20328 / M1 · Status: In force
29.10.2002
Kommertspandi muutmiskanne
Entry no. 2
28.10.2002
Ümberkujundamiskanne uut registrikaarti avamata
Entry no. 3
28.10.2002
Kommertspandi muutmiskanne
K 20328 / 2 · Status: In force
25.10.2002
Ümberkujundamiskanne uut registrikaarti avamata
Ä 855 / 3 · Status: In force
19.09.2001
Mitteavaldatav muutmiskanne
Entry no. 2
16.04.2001
Kommertspandi avamiskanne
Entry no. 1
21.08.1996
Ümberregistreerimiskanne
Entry no. 1

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