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Search›Companies›K4 Capital OÜ
14737419ActivePrivate limited companyEE102432178 · VAT-registered

K4 Capital OÜ

Harju maakond, Tallinn, Kristiine linnaosa, Mureli tn 3·EMTAK 68201 — Rental and operating of own or leased real estate·7+ years
Andmed · ···
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Overview

e-Business Register · 17 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
05.06.2019e-Business Register
Address
Mureli tn 3, Kristiine linnaosa, Tallinn, 10617 Harju maakondADS · e-Business Register
E-mail address
rain@aike.eee-Business Register
Principal activity
EMTAK 68201 - Rental and operating of own or leased real estatee-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2500,00 €e-Business Register
LEI
485100E7R4O1QR42RD91 · lapsed · issued 06.08.2019 · renewal overdue 2196dGLEIF
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
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  • Activity licences
  • Recent registrations

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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 7 sourcese-Business Register · 2 min agoMTAGLEIF
e-Business Register ↗

Registered 5. juuni 2019, primary activity: Rental and operating of own or leased real estate. Main place of business in Kristiine linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
28 978 €
▼ 43% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
6301 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 09.08.2026 (MTA)
Revenue 2026 (I-II kv)
66k €
▼ 45% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
10k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 09.08.2026 (MTA)

Officers

e-Business Register · 17 h ago
RM
Rain Markus Koort
Born 1995 · 31 y · board member since 05.06.2019
Board member

Founders

e-Business Register · 17 h ago
RM
Rain Markus Koort
Born 1995 · 31 y · founder since 04.06.2019
Founder · 3k €

Shareholders

e-Business Register · 17 h ago
RM
Rain Markus Koort
Born 1995 · 31 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Subsidiaries

e-Business Register · shareholders · 17 h ago

K4 Capital OÜ is a shareholder or officer in 1 more company.

Opus11 VC OÜ
FounderShareholder 4%

Annual reports (7)

e-Business Register · annual reports · 4 päeva tagasi
Revenue 2025
155k €
↗ +132% vs 2024
State taxes 2025
4k €
↗ +373% vs 2024
Employees 2025
0
YearRevenueProfitEquity

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
100k €50k €0

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
27.06.2026ReportEsitati 2025. aasta aruanne— Käive 154 716 €
2025
04.04.2025ReportEsitati 2024. aasta aruanne— Käive 66 600 €

Connected companies

Same-person ties · e-Business Register

K4 Capital OÜ is connected to 10 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Rain Markus Koort (10 companies).

Total connections
10
via 1 person
Connecting people
1
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Rain
10 companies
Via personRain Markus Koort
Assets
Employees
2025154 716 €50 213 €149k €152k €027.06.2026
202466 600 €13 576 €99k €182k €004.04.2025
202358 635 €20 543 €85k €122k €014.06.2024
202257 488 €18 825 €65k €70k €029.05.2023
202114 034 €30 495 €46k €62k €027.06.2022
20206738 €10 939 €16k €34k €019.03.2021
20191528 €4680 €5k €23k €013.08.2020
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-II Q66 188 €7312 €2801 €1
2025165 305 €4081 €0 €1
202459 920 €862 €0 €–
202345 482 €2163 €0 €–
202246 519 €4078 €0 €–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202637k €29k €––
State taxes 20262k €5k €––
Taxes on workforce 20262k €1k €––
Employees 202611––
Revenue 202569k €51k €25k €20k €
State taxes 20250 €4k €0 €0 €
Taxes on workforce 20250 €0 €0 €0 €
Employees 2025–––1
Revenue 202416k €12k €12k €20k €
State taxes 2024862 €0 €0 €0 €
Taxes on workforce 20240 €0 €0 €0 €
Employees 2024––––
Revenue 202313k €15k €10k €7k €
State taxes 20232k €625 €0 €0 €
Taxes on workforce 20230 €0 €0 €0 €
Employees 2023––––
Revenue 202210k €12k €12k €13k €
State taxes 2022934 €1k €939 €917 €
Taxes on workforce 20220 €0 €0 €0 €
Employees 2022––––
10
RM
Rain Markus Koort
board member, founder, shareholder 100%
10 other companies›
CompanyRoleReg. code
Astangu Kodud OÜ
Board member
16497287
Capniar OÜ
Board memberShareholder 100%Founder
17182123
K3 OÜ
Board member
11039933
Keskuse Kodud OÜ
Board member
16363756
KIN Kinnisvara OÜ
Board memberShareholder 33%
16999266
KIN Koru OÜ
Board member
17160831
KRT Grupp OÜ
Board memberShareholder 50%Founder
16210886
OÜ Autoimport
Board member
12146134
Saueveere OÜ
Board member
11919901
Turvis Workwear OÜ
Shareholder 10%FounderBoard member
17277875

Analysis · 2025

computed from annual reports
Revenue155k €median 19k €8.0× the sector median
Net margin32.5%median 27.2%+5.2 pp vs sector median
Revenue change132.3%median 0.4%+131.9 pp vs sector median
Equity ratio98.0%
Current ratio21.85
Labour cost of revenue1.1%
Compared with2024revenue 67k €

Peer group: Enda või renditud kinnisvara üürileandmine ja käitus, 11,858 trading companies that filed a report in the last three years.

Founded 2019. That year 16,302 osaühing were registered; 15,709 are still trading, or 96.4%.