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Search›Companies›Mercurius OÜ
12068724ActivePrivate limited companyEE101442703 · VAT-registered

Mercurius OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Laulupeo tn 2-7·EMTAK 7112 — Engineering activities and related technical consultancy·15+ years
Andmed · ···
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Overview

e-Business Register · 19 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
04.03.2011e-Business Register
Address
Laulupeo tn 2-7, Kesklinna linnaosa, Tallinn, 10121 Harju maakondADS · e-Business Register
E-mail address
oymercurius@gmail.come-Business Register
Telephone
+372 58338340· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 7112 - Engineering activities and related technical consultancye-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2500,00 €e-Business Register
LEI
894500SLWX3LA47LO113 · issued 22.05.2018GLEIF
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
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  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 9 sourcese-Business Register · 1 min agoMTAWeb tech scanEesti InternetGLEIF
e-Business Register ↗

Registered 4. märts 2011, primary activity: Engineering activities and related technical consultancy. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
43 760 €
▼ 32% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
15 954 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 10.08.2026 (MTA)
Revenue 2026 (I-II kv)
126k €
▲ 36% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
41k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 10.08.2026 (MTA)

Officers

e-Business Register · 19 h ago
KK
Karl Kaeval
Born 1989 · 37 y · board member since 01.09.2014
Board member

Founders

e-Business Register · 19 h ago
MR
Merke Rumessen
· founder since 04.03.2011
Founder · 3k €

Shareholders

e-Business Register · 19 h ago
KK
Karl Kaeval
Born 1989 · 37 y · shareholder since 02.09.2023
Shareholder 100% · 3k €

Subsidiaries

e-Business Register · shareholders · 19 h ago
Mercurius OÜ12068724Shareholder 33%Kiili Ärimaja OÜ14947973Shareholder 33%Kiili Äripark OÜ16440095Shareholder 33%Maestro KV OÜ16430300Shareholder 50%Prepack OÜ

Annual reports (7)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2025
224k €
↗ +135% vs 2024
State taxes 2025
71k €
↗ +114% vs 2024
Employees 2025
1
0.0% vs 2024
YearRevenueProfit

Taxes, revenue and employees

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

Tech stack

Website analysis · 5 päeva tagasi
Domains (1)
mercurius.ee
SPFDMARC
REGElkdata OÜ
SRCEIS WHOIS
Detected technologies
Web serverApache
Mobile carrier
+372 58338340Telia Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
12.06.2026ReportEsitati 2025. aasta aruanne— Käive 224 231 €
2025
05.05.2025ReportEsitati 2024. aasta aruanne— Käive 95 500 €

Connected companies

Same-person ties · e-Business Register

Mercurius OÜ is connected to 9 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Karl Kaeval (7 companies).

Total connections
9
via 2 people
Connecting people
2
Active here
Distinct roles
3
Board member · Shareholder
Strongest tie
Karl
7 companies
Via personKarl Kaeval
14876760Allika Kodud OÜ16824051Shareholder 50%Retailes OÜ16591032Pealinna KV OÜ17049683Shareholder 33%Tallinn CityGate Hotel OÜ16253192Shareholder 33%TLN Kodu OÜ16240249Shareholder 25%Vimka Keskus OÜ17286897
  • Kiili Ärimaja OÜ (14947973) Shareholder 33%
  • Kiili Äripark OÜ (16440095) Founder, Shareholder 33%
  • Maestro KV OÜ (16430300) Founder, Shareholder 33%
  • Prepack OÜ (14876760) Shareholder 50%
  • Retailes OÜ (16591032) Founder, Shareholder 50%
  • Tallinn CityGate Hotel OÜ (16253192) Founder, Shareholder 33%
  • TLN Kodu OÜ (16240249) Shareholder 33%
  • Vimka Keskus OÜ (17286897) Founder, Shareholder 25%
  • Allika Kodud OÜ (16824051) Founder, Shareholder 50% (via Prepack OÜ)
  • Pealinna KV OÜ (17049683) Founder, Shareholder 50% (via Retailes OÜ)
Mercurius OÜ is a shareholder or officer in 10 more companies.
Equity
Assets
Employees
2025224 231 €125 679 €787k €941k €112.06.2026
202495 500 €160 095 €731k €923k €105.05.2025
2023132 200 €278 187 €571k €717k €027.06.2024
2022118 120 €85 391 €377k €426k €018.06.2023
202196 000 €175 066 €342k €407k €025.04.2022
2020110 853 €137 340 €238k €256k €030.06.2021
201995 485 €60 742 €100k €101k €130.06.2020
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 Q126 260 €35 580 €5859 €1
2025207 237 €70 524 €13 052 €1
2024112 200 €32 986 €10 290 €1
2023127 236 €45 574 €2784 €–
2022109 950 €32 738 €2286 €–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202683k €44k €––
State taxes 202623k €13k €––
Taxes on workforce 20263k €3k €––
Employees 202611––
Revenue 202529k €64k €68k €46k €
State taxes 20259k €16k €12k €33k €
Taxes on workforce 20253k €3k €3k €3k €
Employees 20251111
Revenue 202438k €23k €17k €35k €
State taxes 20248k €8k €7k €11k €
Taxes on workforce 20241k €3k €3k €3k €
Employees 20241111
Revenue 202340k €29k €35k €24k €
State taxes 20238k €6k €27k €5k €
Taxes on workforce 20230 €0 €3k €0 €
Employees 2023––––
Revenue 202238k €11k €46k €15k €
State taxes 20228k €2k €21k €2k €
Taxes on workforce 20220 €0 €2k €0 €
Employees 2022––––
7
Merke Rumessen2
KK
Karl Kaeval
board member, shareholder 100%
7 other companies›
CompanyRoleReg. code
Kiili Ärimaja OÜ
FounderBoard member
14947973
Maestro KV OÜ
Board member
16430300
Prepack OÜ
Board memberFounder
14876760
Retailes OÜ
Board member
16591032
Tallinn CityGate Hotel OÜ
Board member
16253192
Vimka Keskus OÜ
Board member
17286897
W Assets OÜ
Board memberFounderShareholder 100%
17148793
MR
Merke Rumessen
founder
2 other companies›
CompanyRoleReg. code
Mernican OÜ
Liquidator
12957200
Viljandi linn, Lembitu pst 19 korteriühistu
Founder
80104452

Analysis · 2025

computed from annual reports
Revenue224k €median 27k €8.2× the sector median
Net margin56.0%median 23.8%+32.3 pp vs sector median
Revenue per employee224k €median 56k €4.0× the sector median
Revenue change134.8%median 2.4%+132.4 pp vs sector median
Equity ratio83.6%
Current ratio5.75
Labour cost of revenue14.8%
Profit per employee125 679 €
Compared with2024revenue 96k €

Peer group: Inseneritegevused ning nendega seotud tehniline konsultatsioon, 577 trading companies that filed a report in the last three years.

Founded 2011. That year 7,666 osaühing were registered; 7,393 are still trading, or 96.4%.