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Search›Companies›C1 Grupp OÜ
12722796ActivePrivate limited companyEE101836047 · VAT-registered

C1 Grupp OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Parda tn 8·EMTAK 68201 — Rental and operating of own or leased real estate·11+ years
Andmed · ···
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Overview

e-Business Register · 56 min ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
19.09.2014e-Business Register
Address
Parda tn 8, Kesklinna linnaosa, Tallinn, 10151 Harju maakondADS · e-Business Register
E-mail address
info@cityoffice.eee-Business Register
Website
www.cityoffice.eee-Business Register · domain active
Principal activity
EMTAK 68201 - Rental and operating of own or leased real estatee-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
100 000,00 €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
Data · 11 sourcese-Business Register · 6 min agoMTARTKRiigi Teataja · RiigikohusBuiltWithWeb tech scanEesti Internet
e-Business Register ↗

Registered 19. september 2014, primary activity: Rental and operating of own or leased real estate. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
29 014 €
▲ 64% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
2
2026 (MTA)
Taxes paid
664 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 14.08.2026 (MTA)
Revenue 2026 (I-II kv)
117k €
▲ 237% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
2
2026 (MTA)
Taxes paid
2k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 14.08.2026 (MTA)

Officers

e-Business Register · 56 min ago
AT
Arno Tara
Born 1989 · 36 y · board member since 20.04.2021
Board member

Founders

e-Business Register · 56 min ago
AT
Ants-Lembit Tara
Born 1943 · 82 y · founder since 17.09.2014
Founder · 3k €

Shareholders

e-Business Register · 56 min ago
AT
Arno Tara
Born 1989 · 36 y · shareholder since 01.09.2023
Shareholder 100% · 100k €

Subsidiaries

e-Business Register · shareholders · 56 min ago

C1 Grupp OÜ is a shareholder or officer in 1 more company.

Andmeregister OÜ
Shareholder 100%

Annual reports (7)

e-Business Register · annual reports · 9 päeva tagasi
Revenue 2025
150k €
↗ +21.3% vs 2024
State taxes 2025
3k €
↘ -56.0% vs 2024
Employees 2025
0
YearRevenueProfitEquity

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
500k €250k €0

Tech stack

Website analysis · 4 päeva tagasi
Domains (4)
www.cityoffice.ee
SRCÄriregister
cityoffice.ee
SPFDMARC
REGElkdata OÜ
SRCEIS WHOIS
Detected technologies
Content management (CMS)

Court rulings (1)

Riigi Teataja
20251 decision
14.08.20252-24-9886/67
Ühinguõigus › Muud ühinguõiguslikud asjad hagimenetlusesHarju Maakohus Tallinna kohtumajaDecision PDF →On Riigi Teataja →On lahend.ee →
Kompromissiga liitunud isikJõustunud

State-sector payments (21 · 13k €)

RTK Makseandmik · 15.05.2026
Transactions
21
2024–2024 · 1 year
Total amount
13k €
avg 637,05 €
Buyers
1
State and municipal bodies
Latest
06.12.2024
608,78 € · Tartu Ülikool
20245 transactions · 2k €
06.122024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
10.06.2026ReportEsitati 2025. aasta aruanne— Käive 149 687 €
2025
01.12.2025FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 10200243 / 11 · Olek: Jõustunud
  • Kanne nr 11 · kanne
24.09.2025FilingMuutmiskanne2×expand ›

Connected companies

Same-person ties · e-Business Register

C1 Grupp OÜ is connected to 7 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Arno Tara (4 companies).

Total connections
7
via 2 people
Connecting people
2
Active here
Distinct roles
3
Board member · Shareholder
Strongest tie
Arno
4 companies
Via personArno Tara
Assets
Employees
2025149 687 €21 665 €635k €1,7m €010.06.2026
2024123 422 €38 687 €612k €1,6m €009.07.2025
2023346 959 €273 534 €1,1m €2,1m €030.06.2024
202253 626 €24 078 €848k €1,7m €030.06.2023
2021123 402 €14 815 €352k €741k €030.06.2022
202031 185 €26 361 €164k €193k €030.06.2021
2019810 €−4310 €137k €139k €015.04.2021
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-II Q116 632 €2301 €0 €2
202585 596 €3272 €0 €–
202499 240 €7444 €1365 €1
2023422 559 €5410 €2922 €1
202261 942 €616 €2772 €1
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202688k €29k €––
State taxes 20262k €664 €––
Taxes on workforce 20260 €0 €––
Employees 2026–2––
Revenue 202517k €18k €23k €28k €
State taxes 2025913 €177 €9 €2k €
Taxes on workforce 20250 €0 €0 €0 €
Employees 2025––––
Revenue 202434k €25k €26k €14k €
State taxes 20243k €3k €2k €0 €
Taxes on workforce 2024805 €560 €0 €0 €
Employees 20241–––
Revenue 202355k €235k €92k €40k €
State taxes 20230 €0 €2k €3k €
Taxes on workforce 2023720 €734 €734 €734 €
Employees 20231111
Revenue 202226k €21k €14k €678 €
State taxes 20220 €616 €0 €0 €
Taxes on workforce 2022693 €693 €693 €693 €
Employees 20221111
WordPress
Page builderElementor
JavaScript libraryjQuery
AnalyticsGoogle Analytics
Web serverApache
UI frameworkTailwind CSS
raadiotehas.ee
SPFDMARC
REGElkdata OÜ
SRCEIS WHOIS
Detected technologies
Web serverApache
virtualoffice.ee
SPFDMARC
REGElkdata OÜ
SRCEIS WHOIS
Detected technologies
Web serverApache
609 €
22.112024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
183 €
08.112024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
609 €
24.102024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
145 €
03.102024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
785 €
Show remaining 16 transactions+
202416 transactions · 11k €
05.092024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
609 €
26.082024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
134 €
02.082024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
609 €
31.072024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
876 €
27.062024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
354 €
07.062024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
1089 €
29.052024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
360 €
07.052024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
1089 €
12.042024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
380 €
02.042024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
1089 €
22.032024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
398 €
07.032024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
1089 €
22.022024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
420 €
06.022024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
1089 €
24.012024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
371 €
04.012024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
1089 €
hide ⌃
  • Ä 10200243 / 10 · Olek: Jõustunud
  • Kanne nr 10 · kanne
09.07.2025ReportEsitati 2024. aasta aruanne— Käive 123 422 €
4
Ants-Lembit Tara3
AT
Arno Tara
board member, shareholder 100%
4 other companies›
CompanyRoleReg. code
Andmeregister OÜ
Board memberFounder
16080337
Aphrodite Solutions OÜ
Founder
14893622
Sagittarius Capital OÜ
LiquidatorFounder
12671403
South Pacific Trading OÜ
Founder
16079340
AT
Ants-Lembit Tara
founder
3 other companies›
CompanyRoleReg. code
Aphrodite Solutions OÜ
LiquidatorShareholder 100%
14893622
Sagittarius Capital OÜ
Shareholder 100%
12671403
South Pacific Trading OÜ
LiquidatorShareholder 100%
16079340

Analysis · 2025

computed from annual reports
Revenue150k €median 19k €7.8× the sector median
Net margin14.5%median 27.2%-12.7 pp vs sector median
Revenue change21.3%median 0.4%+20.9 pp vs sector median
Equity ratio37.9%
Current ratio0.07current assets cover under 1× liabilities
Labour cost of revenue0.0%
Compared with2024revenue 123k €

Peer group: Enda või renditud kinnisvara üürileandmine ja käitus, 11,855 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%.