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Search›Companies›Captain Corrosion OÜ
14093318ActivePrivate limited companyEE101939164 · VAT-registered

Captain Corrosion OÜ

Tartu maakond, Tartu linn, Tartu linn, Pikk tn 43-3·EMTAK 72101 — Research and experimental development on natural sciences and engineering·9+ years
Andmed · ···
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Overview

e-Business Register · 5 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
08.08.2016e-Business Register
Address
Pikk tn 43-3, Tartu linn, Tartu linn, 50603 Tartu maakondADS · e-Business Register
E-mail address
maido.merisalu@gmail.come-Business Register
Telephone
+372 55597617· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 72101 - Research and experimental development on natural sciences and engineeringe-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2500,00 €e-Business Register
Estonia's public business register
HomeViewsIndustriesBlogSourcesAbout

Public registry of Estonian companies — every fact traceable to a source and a date. Free and ad-free for everyone.

Nimistu MTÜ
Address: Parda tn 8, 10151 Tallinn, Estonia
E-mail: info@nimistu.ee

Browse

  • Home
  • Views
  • Industries
  • Recent registrations

Data

  • 72 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • For journalists
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 11 sourcese-Business Register · just nowMTARTKEIS · PRIAKohesioPatendiamet
e-Business Register ↗

Registered 8. august 2016, primary activity: Research and experimental development on natural sciences and engineering. Main place of business in Tartu linn, Tartu linn, Tartu maakond.

Revenue 2026 (I kv)
19 548 €
▼ 77% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
5
2026 (MTA)
Taxes paid
5150 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)
Revenue 2026 (I kv)
20k €
▼ 77% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
5
2026 (MTA)
Taxes paid
5k €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 5 h ago
MM
Maido Merisalu
Born 1984 · 41 y · board member since 08.08.2016
Board member

Founders

e-Business Register · 5 h ago
MM
Maido Merisalu
Born 1984 · 41 y · founder since 06.08.2016
Founder · 3k €

Shareholders

e-Business Register · 5 h ago
MM
Maido Merisalu
Born 1984 · 41 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Beneficial owners

e-Business Register · 5 h ago
MM
Maido Merisalu
Born 1984 · 41 y · ultimate beneficial owner since 07.09.2018
Ultimate beneficial owner

Annual reports (7)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2025
106k €
↘ -30.5% vs 2024
State taxes 2025
30k €
↗ +300% vs 2024
Employees 2025
5
↘ -16.7% vs 2024
YearRevenueProfit

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
200k €100k €0

Tech stack

Tehnoloogiad
Mobile carrier
+372 55597617Telia Eesti AS

Patents (1 · 0 active)

Estonian Patent Office · patents, utility models, EU validations
01556

A portable ozone-based disinfection device

Utility model · IPC A61L 2/20,A61L 2/24
Filed 29.07.2020

Grants (4 · 169k €)

EIS + PRIA + Kohesio + Estonian Unemployment Insurance Fund
FunderGrantsTotalShare
EIS
3
161k €
Kohesio
1
7k €
Materjalide väärindamine nanotehnoloogiaga
EISRakendusuuringute toetus väikeprojektide 3. voorRiigieelarve (RE)2024
150 000 €

State-sector payments (12 · 98k €)

RTK Makseandmik · 15.05.2026
Transactions
12
2024–2026 · 3 years
Total amount
98k €
avg 8k €
Buyers
2
State and municipal bodies
Latest
02.02.2026
14k € · MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM

2026: 14k € · 2025: 83k € · 2024: 1k €

BuyerTxAmountShare
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM
70003158
5

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
08.03.2026ReportEsitati 2025. aasta aruanne— Käive 105 800 €
2025
09.03.2025ReportEsitati 2024. aasta aruanne— Käive 152 150 €

Connected companies

Same-person ties · e-Business Register

Captain Corrosion OÜ is connected to 1 other company through 1 person who hold a role here and elsewhere. The strongest tie runs through Maido Merisalu (1 company).

Total connections
1
via 1 person
Connecting people
1
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Maido
1 company
Via personMaido Merisalu
Equity
Assets
Employees
2025105 800 €1975 €192k €194k €508.03.2026
2024152 150 €12 638 €190k €192k €609.03.2025
2023141 850 €87 485 €177k €193k €105.04.2024
2022120 844 €23 146 €90k €105k €102.03.2023
202153 985 €26 180 €66k €73k €110.09.2021
202080 005 €13 092 €40k €40k €114.08.2020
20198442 €8527 €27k €38k €104.09.2019
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q19 548 €305 €4845 €5
2025171 155 €30 147 €27 977 €5
2024192 050 €7544 €7328 €5
202341 750 €1254 €617 €1
2022116 240 €2785 €865 €1
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202620k €–––
State taxes 2026305 €–––
Taxes on workforce 20265k €–––
Employees 20265–––
Revenue 202587k €56k €16k €13k €
State taxes 202510k €7k €6k €7k €
Taxes on workforce 20257k €7k €7k €7k €
Employees 20254555
Revenue 2024101k €250 €45k €46k €
State taxes 2024322 €11 €390 €7k €
Taxes on workforce 202499 €0 €307 €7k €
Employees 2024––25
Revenue 2023650 €22k €9k €11k €
State taxes 2023202 €533 €308 €211 €
Taxes on workforce 2023136 €246 €136 €99 €
Employees 202311––
Revenue 202258k €4k €54k €0 €
State taxes 20222k €475 €648 €99 €
Taxes on workforce 2022262 €210 €294 €99 €
Employees 202211––
Korrosiooni monitoorimise süsteem
EISInnovatsiooniosak. ArendusosakEuroopa Regionaalarengu fond (ERDF)2019
4000 €
Mõõteseadme valmistamine ja programmeerimine materjaliuuringute jaoks kosmoses tudengisatelliidil ESTCube-2
EISInnovatsiooniosak. ArendusosakEuroopa Regionaalarengu fond (ERDF)2018
7424 €
Mõõteseadme valmistamine ja programmeerimine materjaliuuringute jaoks kosmoses tudengisatelliidil ESTCube-2
KohesioÜhtekuuluvuspoliitika fond (ERDF)European Regional Development Fund2017
7424 €
95k €
RIIGIKOHUS
74001127
7
2k €
20261 transaction · 14k €
02.022026
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
13 542 €
20254 transactions · 51k €
13.112025
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
14 766 €
04.082025
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
24 378 €
30.072025
RIIGIKOHUS74001127
MAJANDAMISKULUD · Kohus
620 €
06.052025
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
11 637 €
Show remaining 7 transactions+
20252 transactions · 31k €
25.022025
RIIGIKOHUS74001127
MAJANDAMISKULUD · Kohus
305 €
24.012025
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
31 116 €
20245 transactions · 1k €
2024
1
MM
Maido Merisalu
board member, founder, shareholder 100%, ultimate beneficial owner
1 other company›
CompanyRoleReg. code
Captain Corrosion Engineering OÜ
Shareholder 100%Board memberUltimate beneficial owner
14912360
12.12
RIIGIKOHUS74001127
MAJANDAMISKULUD · Kohus
305 €
22.102024
RIIGIKOHUS74001127
MAJANDAMISKULUD · Kohus
305 €
21.102024
RIIGIKOHUS74001127
MAJANDAMISKULUD · Kohus
122 €
21.082024
RIIGIKOHUS74001127
MAJANDAMISKULUD · Kohus
305 €
03.072024
RIIGIKOHUS74001127
MAJANDAMISKULUD · Kohus
305 €