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Search›Companies›KOLMKOLM osaühing
12733469ActivePrivate limited companyEE101750589 · VAT-registered

KOLMKOLM osaühing

Harju maakond, Tallinn, Kesklinna linnaosa, Pärnu mnt 48a-27·EMTAK 71111 — Architectural activities·11+ years
Andmed · ···
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Overview

e-Business Register · 13 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
09.10.2014e-Business Register
Address
Pärnu mnt 48a-27, Kesklinna linnaosa, Tallinn, 10119 Harju maakondADS · e-Business Register
E-mail address
ain.kalberg@gmail.come-Business Register
Telephone
+372 5521919· Tele2 Eesti Aktsiaseltse-Business Register · TTJA NBA
Principal activity
EMTAK 71111 - Architectural activitiese-Business Register · ETCB
VAT number
ETCB · VAT-registered
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

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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 7 sourcese-Business Register · 9 min agoMTAMTR
e-Business Register ↗

Registered 9. oktoober 2014, primary activity: Architectural activities. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
1123 €
▼ 70% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
3407 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 09.08.2026 (MTA)
Revenue 2026 (I-II kv)
31k €
▲ 9% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
16k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 09.08.2026 (MTA)

Officers

e-Business Register · 13 h ago
AK
Ain Kalberg
Born 1974 · 52 y · board member since 09.10.2014
Board member

Founders

e-Business Register · 13 h ago
AK
Ain Kalberg
Born 1974 · 52 y · founder since 09.10.2014
Founder · 3k €

Shareholders

e-Business Register · 13 h ago
AK
Ain Kalberg
Born 1974 · 52 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Annual reports (7)

e-Business Register · annual reports · 4 päeva tagasi
Revenue 2025
56k €
↘ -40.9% vs 2024
State taxes 2025
26k €
↗ +2.9% vs 2024
Employees 2025
1
0.0% vs 2024
YearRevenueProfit

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
50k €25k €0

Licences (1)

MTR · 12 h tagasi
Active licences
1
Other1
Oldest · Newest
2014→2014
Oldest licenceEEP003059 · 20.10.2014
Active1 / 1
EEP003059
Projekteerimine
Majandustegevusteade
From20.10.2014
Until20.10.2029
Valid

Tech stack

Tehnoloogiad
Mobile carrier
+372 5521919Tele2 Eesti Aktsiaselts

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
04.06.2026ReportEsitati 2025. aasta aruanne— Käive 55 566 €
2025
06.06.2025ReportEsitati 2024. aasta aruanne— Käive 93 947 €

Connected companies

Same-person ties · e-Business Register

KOLMKOLM osaühing is connected to 3 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Ain Kalberg (3 companies).

Total connections
3
via 1 person
Connecting people
1
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Ain
3 companies
Via personAin Kalberg
Equity
Assets
Employees
202555 566 €−8992 €18k €26k €104.06.2026
202493 947 €46 553 €77k €81k €106.06.2025
202349 716 €188 €56k €60k €123.04.2024
202258 065 €13 651 €56k €62k €120.04.2023
202170 585 €21 631 €64k €66k €105.04.2022
202054 855 €−11 196 €42k €43k €126.05.2021
2019114 927 €53 758 €110k €110k €121.02.2020
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 Q31 499 €15 117 €528 €1
202562 444 €25 640 €6624 €1
202482 170 €24 915 €5536 €1
202356 282 €9966 €3781 €1
202259 404 €16 966 €5913 €1
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202630k €1k €––
State taxes 202612k €3k €––
Taxes on workforce 2026264 €264 €––
Employees 202611––
Revenue 202525k €4k €23k €10k €
State taxes 20257k €10k €6k €3k €
Taxes on workforce 20251k €2k €2k €2k €
Employees 20251111
Revenue 202412k €10k €23k €38k €
State taxes 20245k €3k €5k €11k €
Taxes on workforce 20242k €1k €1k €1k €
Employees 20241111
Revenue 202326k €12k €7k €12k €
State taxes 20234k €2k €1k €3k €
Taxes on workforce 20231k €840 €840 €1k €
Employees 20231111
Revenue 202215k €15k €4k €25k €
State taxes 20223k €4k €1k €10k €
Taxes on workforce 20221k €1k €1k €3k €
Employees 20221111
3
AK
Ain Kalberg
board member, founder, shareholder 100%
3 other companies›
CompanyRoleReg. code
ARHIPOST OÜ
Board memberShareholder 100%Founder
14439596
PAUK OÜ
Shareholder 100%FounderLiquidator
14752560
Tallinn, Paldiski mnt 24 korteriühistu
Board member
80176919

Analysis · 2025

computed from annual reports
Revenue56k €median 23k €2.4× the sector median
Net margin-16.2%median 8.9%-25.0 pp vs sector median
Revenue per employee56k €median 38k €1.5× the sector median
Revenue change-40.9%median 1.1%-42.0 pp vs sector median
Equity ratio69.5%
Current ratio2.67
Labour cost of revenue22.7%
Profit per employee−8992 €
Compared with2024revenue 94k €

Peer group: Arhitektitegevused, 854 trading companies that filed a report in the last three years.

Founded 2014. That year 9,174 osaühing were registered; 8,850 are still trading, or 96.5%.