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Search›Companies›Kalk & Ko OÜ
11553179ActivePrivate limited companyEE101264965 · VAT-registered

Kalk & Ko OÜ

Harju maakond, Tallinn, Mustamäe linnaosa, Ehitajate tee 78-66·EMTAK 85599 — Other education n.e.c.·17+ years
Andmed · ···
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Overview

e-Business Register · 20 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
14.11.2008e-Business Register
Address
Ehitajate tee 78-66, Mustamäe linnaosa, Tallinn, 12915 Harju maakondADS · e-Business Register
E-mail address
tiina@abkalk.eee-Business Register
Telephone
+372 6867110· Elisa Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 85599 - Other education n.e.c.e-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2556,00 €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

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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 8 sourcese-Business Register · 8 min agoMTAWeb tech scanEesti Internet
e-Business Register ↗

Registered 14. november 2008, primary activity: Other education n.e.c.. Main place of business in Mustamäe linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
1940 €
▼ 50% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
1165 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 11.08.2026 (MTA)
Revenue 2026 (I-II kv)
8k €
▼ 16% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
3k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 11.08.2026 (MTA)

Officers

e-Business Register · 20 h ago
TK
Tiina Kalk
Born 1966 · 59 y · board member since 19.12.2013
Board member

Shareholders

e-Business Register · 20 h ago
TK
Tiina Kalk
Born 1966 · 59 y · shareholder since 02.09.2023
Shareholder 100% · 3k €

Annual reports (6)

e-Business Register · annual reports · 6 päeva tagasi
Revenue 2024
12k €
↗ +98.7% vs 2023
State taxes 2025
3k €
↗ +21.8% vs 2024
Employees 2024
0
YearRevenueProfitEquity

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
10k €5k €0

Tech stack

Tehnoloogiad
Domains (1)
abkalk.ee
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Could not analyse (This operation was aborted)
Mobile carrier
+372 6867110Elisa Eesti AS

Veebilehte ei õnnestunud analüüsida (This operation was aborted).

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
30.07.2025ReportEsitati 2024. aasta aruanne— Käive 11 651 €

Connected companies

Same-person ties · e-Business Register

Kalk & Ko OÜ is connected to 10 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Tiina Kalk (10 companies).

Total connections
10
via 1 person
Connecting people
1
Active here
Distinct roles
2
Board member · Shareholder
Strongest tie
Tiina
10 companies
Via personTiina Kalk
Assets
Employees
202411 651 €9252 €14k €14k €030.07.2025
20235863 €2636 €10k €10k €005.07.2024
202210 280 €5964 €14k €15k €022.12.2023
20215311 €3762 €10k €10k €015.01.2023
20202133 €345 €9k €9k €016.07.2021
20193705 €2050 €9k €9k €010.11.2020
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 Q7888 €3116 €0 €–
202512 495 €3364 €0 €–
20248840 €2762 €287 €–
20237312 €2889 €119 €–
20229027 €1709 €117 €–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20266k €2k €––
State taxes 20262k €1k €––
Taxes on workforce 20260 €0 €––
Employees 2026––––
Revenue 20255k €4k €520 €3k €
State taxes 2025403 €682 €122 €2k €
Taxes on workforce 20250 €0 €0 €0 €
Employees 2025––––
Revenue 20241k €2k €3k €3k €
State taxes 2024262 €420 €599 €1k €
Taxes on workforce 20240 €0 €0 €287 €
Employees 2024––––
Revenue 20233k €3k €140 €2k €
State taxes 2023983 €806 €772 €328 €
Taxes on workforce 2023119 €0 €0 €0 €
Employees 2023––––
Revenue 2022450 €3k €3k €3k €
State taxes 202285 €266 €468 €890 €
Taxes on workforce 20220 €0 €0 €117 €
Employees 2022––––
10
TK
Tiina Kalk
board member, shareholder 100%
10 other companies›
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Liquidator
16472310
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Liquidator
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Board member
16383761
MTÜ Keskkonnaarenduse Selts
Liquidator
80292429
osaühing AIVAR TILK
Liquidator
10159670
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Board member
10859410
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Liquidator
11180689
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Liquidator
16265092

Analysis · 2024

computed from annual reports
Revenue12k €median 11k €1.0× the sector median
Net margin79.4%median 12.6%+66.8 pp vs sector median
Revenue change98.7%median 0.0%+98.7 pp vs sector median
Equity ratio99.9%
Current ratio1,455.33
Labour cost of revenue0.0%
Compared with2023revenue 6k €

Peer group: Muu mujal liigitamata õpe, 2,078 trading companies that filed a report in the last three years.

Founded 2008. That year 4,466 osaühing were registered; 4,299 are still trading, or 96.3%.