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Search›Companies›Equation OÜ
12362257ActivePrivate limited company

Equation OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Tartu mnt 84a·EMTAK 82991 — Other business support service activities n.e.c.·13+ years
Andmed · ···
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Overview

e-Business Register · 4 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
15.10.2012e-Business Register
Address
Tartu mnt 84a, Kesklinna linnaosa, Tallinn, 10112 Harju maakondADS · e-Business Register
E-mail address
meelis.karro@mail.eee-Business Register
Principal activity
EMTAK 82991 - Other business support service activities n.e.c.e-Business Register · ETCB
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
Revenue 2025
2870 €
▲ 310% vs 2023
As of 10.04.2026 (MTA)
Employees
–
2025 (MTA)
Taxes paid
441 €
State + labour taxes · 2025 (I-IV kv)
Tax debt
0 €
As of 25.06.2026 (MTA)

Registered 15. oktoober 2012, primary activity: Other business support service activities n.e.c.. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Data · 7 sourcese-Business Register · just nowMTA
e-Business Register ↗
Revenue 2025
3k €
▲ 310% vs 2023
As of 10.04.2026 (MTA)
Employees
–
2025 (MTA)
Taxes paid
441 €
State + labour taxes · 2025 (I-IV kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 4 h ago
MK
Meelis Karro
Born 1980 · 46 y · board member since 15.10.2012
Board member

Founders

e-Business Register · 4 h ago
MK
Meelis Karro
Born 1980 · 46 y · founder since 15.10.2012
Founder · 3k €

Shareholders

e-Business Register · 4 h ago
MK
Meelis Karro
Born 1980 · 46 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Beneficial owners

e-Business Register · 4 h ago
MK
Meelis Karro
Born 1980 · 46 y · ultimate beneficial owner since 03.09.2018
Ultimate beneficial owner

Subsidiaries

e-Business Register · shareholders · 4 h ago

Equation OÜ is a shareholder or officer in 7 more companies.

Metero OÜ
Shareholder 100%
Baltic Seaboats OÜ
Shareholder 50%
Eesti Soojustusprojekt OÜ
Shareholder 50%
Green 2050 Ehitus OÜ
FounderShareholder 100%
Green2050 OÜ

Annual reports (6)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
3k €
↗ +310% vs 2023
Employees 2024
0
YearRevenueProfitEquityAssetsEmployees

Taxes and employees

Estonian Tax and Customs Board · 10.04.2026 as of
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2025—231 €210 €–
2024—3329 €3304 €–
2023—700 €700 €–
2022—490 €490 €

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
26.06.2025ReportEsitati 2024. aasta aruanne— Käive 2870 €
2024
26.06.2024ReportEsitati 2023. aasta aruanne— Käive 700 €

Connected companies

Same-person ties · e-Business Register

Equation OÜ is connected to 16 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Meelis Karro (16 companies).

Total connections
16
via 1 person
Connecting people
1
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Meelis
16 companies
Via personMeelis Karro
Founder
OÜ Tähe 72
Founder
Mere Fassaaditööd OÜ
Shareholder 100%
20242870 €499 563 €2,5m €2,5m €026.06.2025
2023700 €633 912 €2,0m €2,0m €026.06.2024
2022490 €202 675 €1,3m €1,3m €030.06.2023
2021840 €64 488 €1,1m €1,1m €030.06.2022
20202020 €76 206 €1,1m €1,1m €025.06.2021
20190 €134 599 €977k €979k €029.06.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2025––––
State taxes 2025–––231 €
Taxes on workforce 2025–––210 €
Employees 2025––––
Revenue 2024––––
State taxes 2024––459 €3k €
Taxes on workforce 2024––434 €3k €
Employees 2024––––
Revenue 2023––––
State taxes 2023700 €–––
Taxes on workforce 2023700 €–––
Employees 2023––––
Revenue 2022––––
State taxes 2022490 €–––
Taxes on workforce 2022490 €–––
Employees 2022––––
16
MK
Meelis Karro
board member, founder, shareholder 100%, ultimate beneficial owner
16 other companies›
CompanyRoleReg. code
Balti Vara Ehitus OÜ
Ultimate beneficial ownerBoard member
11455212
Baltic Seaboats OÜ
Ultimate beneficial ownerBoard member
11378204
Calpe OÜ
Board memberUltimate beneficial owner
17126254
Eesti Soojustusprojekt OÜ
Board memberFounderUltimate beneficial owner
12129584
Green 2050 Ehitus OÜ
Board memberUltimate beneficial owner
17000783
Green2050 OÜ
Board memberUltimate beneficial owner
12864148
Longarden OÜ
Board memberUltimate beneficial owner
14995564
Mere Fassaaditööd OÜ
Ultimate beneficial owner
11974113
Metero OÜ
Board memberFounderUltimate beneficial owner
11672441
Mittetulundusühing Boys Out Fund
Founder
80548321
Nelgi Station OÜ
Board member
16705501
OÜ Tähe 72
Ultimate beneficial ownerBoard member
16767896
Rannametsa Kodu OÜ
Ultimate beneficial ownerBoard member
16443892
Riia Värav OÜ
Ultimate beneficial ownerBoard member
17007976
Tartu linn, Fortuuna tn 11 korteriühistu
Board member
80567643
Tartu Värav OÜ
Board member
17526367