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Search›Companies›4Tuna OÜ
14773496ActivePrivate limited companyEE102445932 · VAT-registered

4Tuna OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Liivalaia tn 13·EMTAK 62901 — Other information technology and computer service activities·6+ years
Andmed · ···
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Overview

e-Business Register · 4 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
01.08.2019e-Business Register
Address
Liivalaia tn 13, Kesklinna linnaosa, Tallinn, 10118 Harju maakondADS · e-Business Register
E-mail address
4tunacompany@gmail.come-Business Register
Telephone
+372 56983663· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 62901 - Other information technology and computer service activitiese-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
13 157,90 €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 · 8 sourcese-Business Register · 3 min agoMTALatvia · UR
e-Business Register ↗

Registered 1. august 2019, primary activity: Other information technology and computer service activities. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 (I kv)
1419 €
▼ 85% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
–
Tax debt
0 €
As of 25.06.2026 (MTA)
Revenue 2026 (I kv)
1k €
▼ 85% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
–
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 4 h ago
SM
Serge Melnikov
Born 1983 · 43 y · board member since 12.10.2022
Board member

Founders (2)

e-Business Register · 4 h ago
WB
Walter BallheimerSaksamaa · Germany
Born 1984 · 41 y · founder since 31.07.2019
Founder · 1k €
JK
Jevgeni Kostjutšenko
Born 1982 · 44 y · founder since 31.07.2019
Founder · 1k €

Shareholders (8)

e-Business Register · 4 h ago
0%50%100%
Founder / management
61.8% · 3
VC
24.0% · 1
Angel
12.7% · 3

Beneficial owners (2)

e-Business Register · 4 h ago
JK
Jevgeni Kostjutšenko
Born 1982 · 44 y · ultimate beneficial owner since 06.07.2021
Ultimate beneficial owner
WB
Walter BallheimerSaksamaa · Germany
Born 1984 · 41 y · ultimate beneficial owner since 06.07.2021
Ultimate beneficial owner

Annual reports (5)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
18k €
↗ +14.5% vs 2023
State taxes 2024
74 €
↘ -99.1% vs 2023
Employees 2024
0
↘ -100.0% vs 2023
YearRevenueProfit

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
50k €25k €0

Tech stack

Tehnoloogiad
Mobile carrier
+372 56983663Telia Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
05.02.2026FilingMuutmiskanne— Ä 50124956 / M3 · Olek: Jõustunud
2025
31.12.2025FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50124956 / 8 · Olek: Jõustunud
  • Kanne nr 8 · kanne
21.07.2025ReportEsitati 2024. aasta aruanne— Käive 18 256 €
2024

Connected companies

Same-person ties · e-Business Register

4Tuna OÜ is connected to 8 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Jevgeni Kostjutšenko (7 companies).

Total connections
8
via 2 people
Connecting people
2
Active here
Distinct roles
2
Founder · Ultimate beneficial owner
Strongest tie
Jevgeni
7 companies
Via personJevgeni Kostjutšenko
Long tail
1.5% · 1
#ShareholderType%€
1
Kosbal Invest OÜ
Founder / management30.15%4k €
2
RAW VENTURES GLOBAL LIMITED
VC24.00%3k €
3
Serge Melnikov
Founder / management15.83%2k €
4
Aleksandr Zalesov
Founder / management15.83%2k €
5
Maximilian Spettel
Angel4.22%555,50 €
6
Alexandr Shvartsman
Angel4.22%555,50 €
7
Sofia Saprykina
Angel4.22%555,50 €
8
Advance Consulting SIA
Long tail1.52%200 €
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
30.1%
Top 3
70.0%
Top 5
90.0%
Top 10
100.0%
80% line
4 of 8
Gini
0.43

Dominant holder: 30.1% – non-controlling but blocking.

KI
Kosbal Invest OÜLEGAL PERSON
Legal person · 16372896 · shareholder since 27.07.2022
Shareholder 30% · 4k €
RV
RAW VENTURES GLOBAL LIMITEDFOREIGN
Foreign / not in register · shareholder since 10.11.2022
Shareholder 24% · 3k €
SM
Serge MelnikovSaksamaa · Germany
Born 1983 · 43 y · shareholder since 27.07.2022
Shareholder 16% · 2k €
AZ
Aleksandr ZalesovSaksamaa · Germany
Born 1986 · 40 y · shareholder since 27.07.2022
Shareholder 16% · 2k €
MS
Maximilian SpettelSaksamaa · Germany
Born 1984 · 42 y · shareholder since 27.07.2022
Shareholder 4% · 555,50 €
AS
Alexandr ShvartsmanSaksamaa · Germany
Born 1980 · 46 y · shareholder since 27.07.2022
Shareholder 4% · 555,50 €
SS
Sofia SaprykinaSaksamaa · Germany
Born 1987 · 39 y · shareholder since 27.07.2022
Shareholder 4% · 555,50 €
AC
Advance Consulting SIALäti · LatviaLV · 40103321963
Uzņēmumu reģistrs · 40103321963 · shareholder since 27.07.2022
Shareholder 2% · 200 €
Equity
Assets
Employees
202418 256 €−10 649 €72k €88k €021.07.2025
202315 950 €−180 902 €83k €93k €102.07.2024
20226133 €−76 862 €264k €275k €130.06.2023
202117 672 €−4776 €15k €15k €115.07.2022
202020 140 €20 140 €20k €20k €223.11.2021
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 Q1419 €–––
202527 764 €109 €0 €–
202427 833 €74 €0 €–
202348 061 €8399 €5724 €–
20226269 €678 €0 €–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20261k €–––
State taxes 2026––––
Taxes on workforce 2026––––
Employees 2026––––
Revenue 202510k €4k €7k €7k €
State taxes 2025––109 €0 €
Taxes on workforce 2025––0 €0 €
Employees 2025––––
Revenue 20248k €7k €5k €8k €
State taxes 202417 €22 €31 €4 €
Taxes on workforce 20240 €0 €0 €0 €
Employees 2024––––
Revenue 20235k €21k €12k €10k €
State taxes 20232k €3k €4k €0 €
Taxes on workforce 20232k €2k €2k €0 €
Employees 2023––––
Revenue 2022914 €2k €918 €3k €
State taxes 202275 €291 €107 €205 €
Taxes on workforce 20220 €0 €0 €0 €
Employees 2022––––
02.07.2024
ReportEsitati 2023. aasta aruanne— Käive 15 950 €
7
Walter Ballheimer1
JK
Jevgeni Kostjutšenko
founder, ultimate beneficial owner
7 other companies›
CompanyRoleReg. code
Agrognome OÜ
FounderUltimate beneficial ownerBoard member
14600614
Aktsiaselts Letofin
Supervisory board member
10180718
Kosbal Invest OÜ
Board memberShareholder 50%FounderUltimate beneficial owner
16372896
Letofin Invest OÜ
Shareholder 25%Ultimate beneficial owner
11877077
Messys OÜ
Board member
16948132
SEEDCO OÜ
Ultimate beneficial owner
12662893
Sunfly OÜ
FounderSupervisory board memberUltimate beneficial ownerShareholder 8%
16495297
WB
Walter Ballheimer
founder, ultimate beneficial owner
1 other company›
CompanyRoleReg. code
Agrognome OÜ
Founder
14600614