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Search›Companies›RK Arhitektuuribüroo OÜ
11884551ActivePrivate limited company

RK Arhitektuuribüroo OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Tornimäe tn 7-116·EMTAK 71121 — Constructional engineering-technical designing and consulting·16+ years
Andmed · ···
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Overview

e-Business Register · 3 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
02.02.2010e-Business Register
Address
Tornimäe tn 7-116, Kesklinna linnaosa, Tallinn, 10145 Harju maakondADS · e-Business Register
E-mail address
cornelia.ulst@gmail.come-Business Register
Telephone
+372 56504063· Tele2 Eesti Aktsiaseltse-Business Register · TTJA NBA
Principal activity
EMTAK 71121 - Constructional engineering-technical designing and consultinge-Business Register · ETCB
Share capital
2556,00 €e-Business Register
nimistu
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
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  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Revenue 2025 I kv
0 €
▼ 100% vs 2024
As of 10.07.2026 (MTA)
Employees
–
2025 (MTA)
Taxes paid
–
Tax debt
0 €
As of 13.08.2026 (MTA)

Registered 2. veebruar 2010, primary activity: Constructional engineering-technical designing and consulting. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Data · 9 sourcese-Business Register · 9 min agoMTAMTRWeb tech scanEesti Internet
e-Business Register ↗
Revenue 2025 (I kv)
0 €
▼ 100% vs 2024
As of 10.07.2026 (MTA)
Employees
–
2025 (MTA)
Taxes paid
–
Tax debt
€0
As of 13.08.2026 (MTA)

Officers

e-Business Register · 3 h ago
CU
Cornelia Ulst
Born 1977 · 49 y · board member since 26.06.2017
Board member

Shareholders

e-Business Register · 3 h ago
CU
Cornelia Ulst
Born 1977 · 49 y · shareholder since 02.09.2023
Shareholder 100% · 3k €

Annual reports (7)

e-Business Register · annual reports · 8 päeva tagasi
Revenue 2025
0 €
↘ -100.0% vs 2024
Employees 2025
0
YearRevenueProfitEquityAssetsEmployees

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
5k €3k €0

Licences (1)

MTR · 2 h tagasi
Active licences
1
Other1
Oldest · Newest
2014→2014
Oldest licenceEEP001851 · 14.11.2014
Active1 / 1
EEP001851
Projekteerimine
Majandustegevusteade
From14.11.2014
UntilOpen-ended
Valid

Tech stack

Website analysis · 3 päeva tagasi
Domains (1)
rkarh.ee
SPF
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Detected technologies
Content management (CMS)WordPress
JavaScript libraryjQuery
Web serverApache

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
26.06.2026ReportEsitati 2025. aasta aruanne— Käive 0 €
2025
06.06.2025ReportEsitati 2024. aasta aruanne— Käive 2765 €

Connected companies

Same-person ties · e-Business Register

RK Arhitektuuribüroo OÜ is connected to 1 other company through 1 person who hold a role here and elsewhere. The strongest tie runs through Cornelia Ulst (1 company).

Total connections
1
via 1 person
Connecting people
1
Active here
Distinct roles
2
Board member · Shareholder
Strongest tie
Cornelia
1 company
Via personCornelia Ulst
20250 €606 €4k €4k €026.06.2026
20242765 €2574 €3k €21k €006.06.2025
20230 €−229 €−18 €19k €019.06.2024
20226700 €2914 €211 €19k €022.09.2023
20210 €−262 €-3k €16k €019.09.2023
20207792 €−8298 €-2k €21k €121.09.2022
201922 457 €−7387 €6k €25k €101.10.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
2022202320242025
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2025I Q0 €–––
20240 €–––
20230 €–––
20226700 €695 €0 €–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20250 €–––
State taxes 2025––––
Taxes on workforce 2025––––
Employees 2025––––
Revenue 20240 €0 €0 €0 €
State taxes 2024––––
Taxes on workforce 2024––––
Employees 2024––––
Revenue 20230 €0 €0 €0 €
State taxes 2023––––
Taxes on workforce 2023––––
Employees 2023––––
Revenue 2022500 €4k €0 €2k €
State taxes 202277 €498 €–120 €
Taxes on workforce 20220 €0 €–0 €
Employees 2022––––
UI framework
Tailwind CSS
Mobile carrier
+372 56504063Tele2 Eesti Aktsiaselts
1
CU
Cornelia Ulst
board member, shareholder 100%
1 other company›
CompanyRoleReg. code
Koop Invest OÜ
FounderShareholder 100%Board member
14351654

Analysis · 2025

computed from annual reports
Revenue0 €median 36k €0% of the sector median
Revenue change-100.0%median 5.5%-105.5 pp vs sector median
Equity ratio100.0%
Compared with2024revenue 3k €

Peer group: Ehituslik insener-tehniline projekteerimine ja nõustamine, 1,821 trading companies that filed a report in the last three years.

Founded 2010. That year 6,007 osaühing were registered; 5,789 are still trading, or 96.4%.