16215205ActivePrivate limited companyVAT-registered

OÜ Gearbox Biosciences

Registered 26. aprill 2021, primary activity: Research and experimental development on natural sciences and engineering. Main place of business in Tartu linn.

Tartu linnEMTAK 72101Research and experimental development on natural sciences and engineering5+ years
Updated 8 h ago
Revenue 2026 (I kv)
€43k
▲ 66% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
3
2026 (MTA)
Taxes paid
€29k
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 12.05.2026 (MTA)

Overview

e-Business Register · 8 h ago
Legal form
Private limited company
Date of first registration
26.04.2021e-Business Register
Address
Nooruse tn 1, Tartu linn, Tartu linn, 50411 Tartu maakondADS · e-Business Register
Telephone
+372 55624245e-Business Register
Principal activity
EMTAK 72101 — Research and experimental development on natural sciences and engineeringe-Business Register · ETCB
VAT number
EE102380217ETCB · VAT-registered
Share capital
3200,73 €e-Business Register

Officers (3)

e-Business Register · 8 h ago
AJ
Born 1970 · 56 y · board member since 26.04.2021
Board member
VK
· board member since 03.10.2023
Board member
MK
· board member since 03.10.2023
Board member

Founders (3)

e-Business Register · 8 h ago
VK
· founder since 26.04.2021
Founder · 833 €
AJ
Born 1970 · 56 y · founder since 26.04.2021
Founder · 834 €
MK
· founder since 26.04.2021
Founder · 833 €

Shareholders (11)

e-Business Register · 8 h ago
0%50%100%
Founder / management
78.1% · 3
VC
14.1% · 2
Long tail
7.8% · 6
#Shareholder%
126.06%
226.03%
326.03%
48.45%
55.63%
64.69%
71.13%
80.75%
90.49%
100.38%

+ 1 more shareholder — full list below.

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
26.1%
Top 3
78.1%
Top 5
92.2%
Top 10
99.6%
80% line
4 of 11
Gini
0.60

Dominant holder: 26.1% — non-controlling but blocking.

AJ
Born 1970 · 56 y · shareholder since 02.09.2023
Shareholder 26% · 834 €
MK
· shareholder since 02.09.2023
Shareholder 26% · 833 €
VK
· shareholder since 02.09.2023
Shareholder 26% · 833 €
US
Legal person · 16392077 · shareholder since 11.03.2026
Shareholder 8% · 270,43 €
UV
Legal person · 16124187 · shareholder since 03.10.2023
Shareholder 6% · 180,29 €
AA
AS AMALFILEGAL PERSON
Legal person · 10411419 · shareholder since 11.03.2026
Shareholder 5% · 150,24 €
UH
Uniment Health OÜLEGAL PERSON
Legal person · 16326531 · shareholder since 03.10.2023
Shareholder 1% · 36,06 €
S&
Legal person · 16458190 · shareholder since 03.10.2023
Shareholder 1% · 24,04 €
OR
Legal person · 10396559 · shareholder since 11.03.2026
Shareholder 0% · 15,63 €
LO
lajuar OÜLEGAL PERSON
Legal person · 16526218 · shareholder since 03.10.2023
Shareholder 0% · 12,02 €
AC
Adler Consult OÜLEGAL PERSON
Legal person · 12389807 · shareholder since 03.10.2023
Shareholder 0% · 12,02 €

Beneficial owners (3)

e-Business Register · 8 h ago
AJ
Born 1970 · 56 y · ultimate beneficial owner since 26.04.2021
Ultimate beneficial owner
VK
· ultimate beneficial owner since 26.04.2021
Ultimate beneficial owner
MK
· ultimate beneficial owner since 26.04.2021
Ultimate beneficial owner

Annual reports (5)

e-Business Register · annual reports · 2 päeva tagasi
Revenue · 2023–2025
€63klatest
€100k€50k0
2023: €19k2024: €30k2025: €63k
20232025
Profit · 2021–2025
€-133klatest
1 €€-100k€-200k
2021: −931 €2022: −872 €2023: €-5k2024: €-126k2025: €-133k
202120232025
YearRevenueProfitEquityAssetsEmployees
202562 500 €−132 952 €266 903 €€304k407.04.2026
202429 500 €−125 787 €399 855 €€412k127.05.2025
202319 400 €−5054 €525 642 €€527k012.06.2024
2022−872 €697 €794 €023.05.2023
2021−931 €1569 €€2k020.04.2022
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
€200k€100k0
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q43 063 €14 141 €15 350 €3
2025192 454 €38 254 €40 498 €3
202467 065 €1369 €1484 €1
202316 489 €211 €0 €
2022363 €73 €0 €
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2026€43k
State taxes 2026€14k
Taxes on workforce 2026€15k
Employees 20263
Revenue 2025€26k€22k€43k€101k
State taxes 2025€4k€7k€12k€16k
Taxes on workforce 2025€4k€7k€13k€17k
Employees 20251233
Revenue 2024€12k€36k−243 €€20k
State taxes 2024€1k
Taxes on workforce 2024€1k
Employees 202411
Revenue 202394 €900 €€4k€11k
State taxes 202319 €180 €12 €
Taxes on workforce 20230 €0 €0 €
Employees 2023
Revenue 202284 €91 €94 €94 €
State taxes 202217 €18 €19 €19 €
Taxes on workforce 20220 €0 €0 €0 €
Employees 2022

Grants (5 · €264k)

EIS + PRIA + Kohesio + Estonian Unemployment Insurance Fund
EISRakendusuuringute toetus väikeprojektide 3. voorRiigieelarve (RE)2025
149 510 €
EISEttevõtja teadus- ja arendustöötaja toetus 2025Riigieelarve (RE)2025
1978 €
EISSüvatehnoloogia iduettevõtja äriarendusprojektide toetusRiigieelarve (RE)2024
47 925 €
EISInnovatsiooniosak. ArendusosakEuroopa Regionaalarengu fond (ERDF)2024
35 000 €
KohesioÜhtekuuluvuspoliitika fond (ERDF)European Regional Development Fund2024
29 400 €

History (18)

e-Business Register · entries
11.03.2026
Amending entry
Ä 50172370 / 8 · Status: In force
11.03.2026
Amending entry
Ä 50172370 / 9 · Status: In force
11.03.2026
Amending entry
Entry no. 8
17.11.2023
Amending entry (TsMS § 595¹ lg 1 alusel)
Ä 50172370 / 7 · Status: In force
17.11.2023
Amending entry (TsMS § 595¹ lg 1 alusel)
Entry no. 7
Show 13 more events
03.10.2023
Amending entry
Ä 50172370 / 6 · Status: In force
03.10.2023
Amending entry
Entry no. 6
02.09.2023
Amending entry
Ä 50172370 / 5 · Status: In force
02.09.2023
Amending entry
Entry no. 5
11.01.2022
Amending entry (ÄS § 525 lg 2 alusel)
Ä 50172370 / 4 · Status: In force
11.01.2022
Amending entry (ÄS § 525 lg 2 alusel)
Entry no. 4
17.12.2021
Amending entry (ÄS § 525 lg 2 alusel)
Ä 50172370 / 3 · Status: In force
17.12.2021
Amending entry (ÄS § 525 lg 2 alusel)
Entry no. 3
19.05.2021
Amending entry
Ä 50172370 / 2 · Status: In force
19.05.2021
Amending entry
Entry no. 2
17.05.2021
Amending entry
Ä 50172370 / M1 · Status: Puudused kõrvaldatud
26.04.2021
First entry
Ä 50172370 · Status: In force
26.04.2021
First entry
Entry no. 1

Connected companies

Via the same person

Persons connected to this company also hold roles in 2 other companies.

Arvi JõersBoard member, Founder, Shareholder 26%, Ultimate beneficial owner · 1 other company
Marje KasariBoard member, Founder, Shareholder 26%, Ultimate beneficial owner · 1 other company