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Search›Companies›Big Brain OÜ
14354078ActivePrivate limited company

Big Brain OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Narva mnt 13·EMTAK 47911 — Intermediation service activities for non-specialised retail sale·8+ years
Andmed · ···
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Overview

e-Business Register · 9 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
17.10.2017e-Business Register
Address
Narva mnt 13, Kesklinna linnaosa, Tallinn, 10151 Harju maakondADS · e-Business Register
E-mail address
evgeny.petrov.est@gmail.come-Business Register
Principal activity
EMTAK 47911 - Intermediation service activities for non-specialised retail salee-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
  • Activity licences
  • Recent registrations

Data

  • 79 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • FAQ
  • For journalists
  • Donate
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Revenue
239 750 €
▼ 28% vs 2022
As of 10.07.2026 (MTA)
Employees
–
2025 (MTA)
Taxes paid
–
Tax debt
3791,14 €
As of 10.08.2026 (MTA)

Registered 17. oktoober 2017, primary activity: Intermediation service activities for non-specialised retail sale. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Data · 10 sourcese-Business Register · 5 min agoMTARTKRiigi Teataja · RiigikohusTTJA
e-Business Register ↗
Revenue 2025
240k €
▼ 28% vs 2022
As of 10.07.2026 (MTA)
Employees
–
2025 (MTA)
Taxes paid
–
Tax debt
3791,14 €
As of 10.08.2026 (MTA)

Tax debt over time

MTA · last 365 d

Current debt: 3791,14 €. History updated daily.

30 days
±0
3791,14 € → 3791,14 €
90 days
±0
3791,14 € → 3791,14 €
365 days
–
no data yet

Officers

e-Business Register · 9 h ago
EP
Evgeny Petrov
Born 1990 · 36 y · board member since 16.10.2024
Board member

Founders

e-Business Register · 9 h ago
AM
Andriy Marochkin
Born 1990 · 35 y · founder since 17.10.2017
Founder · 3k €

Shareholders

e-Business Register · 9 h ago
EP
Evgeny Petrov
Born 1990 · 36 y · shareholder since 16.10.2024
Shareholder 100% · 3k €

Annual reports (5)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2023
240k €
↘ -28.2% vs 2022
State taxes 2024
10k €
↘ -79.1% vs 2023
Employees 2023
2
↘ -33.3% vs 2022
YearRevenueProfitEquityAssetsEmployees
2023239 750 €12 960 €15k €63k €230.06.2024
2022333 729 €8870 €3k €44k €330.06.2023
2021312 596 €382 €12k €54k €326.06.2022
2020266 211 €26 884 €
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
200k €100k €0
2022202320242025
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2025––––
2024113 965 €9574 €1029 €1
2023286 847 €45 790 €6025 €1
2022443 826 €67 229 €11 347 €2
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2025––––
State taxes 2025––––
Taxes on workforce 2025––––
Employees 2025––––
Revenue 202438k €44k €31k €1k €
State taxes 20243k €3k €

Court rulings (1 · 1 as respondent)

Riigi Teataja
20251 decision
23.01.20252-24-17643/6
Võlaõigus › Laenu- ja krediidilepingudHarju Maakohus Tallinna kohtumajaOther parties: PLACET GROUP OÜ (Hageja)Decision PDF →On Riigi Teataja →On lahend.ee →
KostjaJõustunud

Consumer Disputes Commission decisions (2 · 2 for consumer)

TTJA · 12.05.2026

Outcomes2021–2023

2 decisions total
For consumer 2100%
20231 decision1 for consumer
08.12.202320-1/23-10508-001

Asja lepingutingimustele mittevastavuse tõttu lepingust õiguspärase taganemise korral ei muuda hilisem kauplejapoolne asja lepingutingimustega vastavusse viimine taganemisavaldust tühiseks. Kaupleja peab tarbijale tagastama asja müügist saadud rahasumma.

Decision PDF →
For consumer
20211 decision1 for consumer
03.12.202119-1/21-08769-014

Tarbija tellis rinnapumba. Toote kättesaamisel selgus, et see on kasutatud. Tarbija tagastas selle.

Show moreTarbija nõuab täiendavat kahju hüvitamist (s.o uue toote rentimise kulu hüvitamist). Rendikulu hüvitamisele ei kuulu.

Decision PDF →
For consumer

State-sector payments (1 · 272,85 €)

RTK Makseandmik · 15.05.2026
Transactions
1
2024–2024 · 1 year
Total amount
272,85 €
avg 272,85 €
Buyers
1
State and municipal bodies
Latest
15.01.2024
272,85 € · SA Tartu Ülikooli Kliinikum
20241 transaction · 272,85 €
15.012024
SA Tartu Ülikooli Kliinikum90001478
MAJANDAMISKULUD · Üldhaigla teenused
273 €

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
11.05.2026TaxMaksuvõlg kasvas— +3791 € (kokku 3791 €)
2024
16.10.2024OfficerSai osanikuks— Evgeny Petrov · · 100 %
16.10.2024OfficerAstus juhatusse— Evgeny Petrov
16.10.2024FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50067767 / 8 · Olek: Jõustunud
  • Kanne nr 8 · kanne

Connected companies

Same-person ties · e-Business Register

Big Brain OÜ is connected to 4 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Evgeny Petrov (3 companies).

Total connections
4
via 2 people
Connecting people
2
Active here
Distinct roles
3
Board member · Shareholder
Strongest tie
Evgeny
3 companies
Via personEvgeny Petrov3Andriy Marochkin1
EP
Evgeny Petrov
board member, shareholder 100%
3 other companies›
CompanyRoleReg. code
Discotch OÜ
Board member
16610781
P.V.M. Enviroconsulting OÜ
Shareholder 100%Board member
16273349
32k €
44k €
2
08.04.2021
201965 608 €13 862 €17k €25k €117.06.2020
3k €
347 €
Taxes on workforce 20240 €321 €321 €387 €
Employees 202411––
Revenue 202365k €89k €59k €74k €
State taxes 202311k €11k €14k €9k €
Taxes on workforce 20232k €2k €1k €692 €
Employees 2023221–
Revenue 2022103k €115k €132k €93k €
State taxes 202213k €19k €19k €16k €
Taxes on workforce 20223k €3k €3k €2k €
Employees 20223332
Peaceful Tech OÜ
Board member
14166218
AM
Andriy Marochkin
founder
1 other company›
CompanyRoleReg. code
ByteFusion OÜ
Board memberFounderShareholder 100%
16836580

Analysis · 2023

computed from annual reports
Revenue240k €median 16k €14.9× the sector median
Net margin5.4%median 1.7%+3.7 pp vs sector median
Revenue per employee120k €median 55k €2.2× the sector median
Revenue change-28.2%median -4.8%-23.3 pp vs sector median
Equity ratio24.6%
Current ratio0.69current assets cover under 1× liabilities
Labour cost of revenue7.1%
Profit per employee6480 €
Compared with2022revenue 334k €

Peer group: Jaemüük posti või Interneti teel, 2,269 trading companies that filed a report in the last three years.

Founded 2017. That year 14,399 osaühing were registered; 13,843 are still trading, or 96.1%.