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Address: Parda tn 8, 10151 Tallinn, Estonia
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Search›Companies›Arhinaut OÜ
14612511ActivePrivate limited company

Arhinaut OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, L. Koidula tn 9-3·EMTAK 71121 — Constructional engineering-technical designing and consulting·7+ years
Andmed · ···
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Overview

e-Business Register · 6 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
23.11.2018e-Business Register
Address
L. Koidula tn 9-3, Kesklinna linnaosa, Tallinn, 10125 Harju maakondADS · e-Business Register
E-mail address
info@arhinaut.eee-Business Register
Website
www.arhinaut.eee-Business Register · domain active
Telephone
+372 53495355· Tele2 Eesti Aktsiaseltse-Business Register · TTJA NBA
Principal activity
EMTAK 71121 - Constructional engineering-technical designing and consultinge-Business Register · ETCB
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

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
Revenue
0 €
▼ 100% vs 2024
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
4236 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 14.08.2026 (MTA)

Registered 23. november 2018, primary activity: Constructional engineering-technical designing and consulting. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Data · 10 sourcese-Business Register · 10 min agoMTARTKMTRBuiltWithWeb tech scan
e-Business Register ↗
Revenue 2026
0 €
▼ 100% vs 2024
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
4k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 14.08.2026 (MTA)

Officers (3)

e-Business Register · 6 h ago
MT
Maili Tannenberg
Born 1983 · 42 y · board member since 23.11.2018
Board member
NŠ
Nele Šverns
Born 1989 · 37 y · board member since 06.03.2019
Board member
TT
Teele Tänav
· board member since 19.09.2025
Board member

Founders (4)

e-Business Register · 6 h ago
TT
Teele Tänav
· founder since 22.11.2018
Founder · 625 €
LN
Linn Nagel
Born 1990 · 36 y · founder since 22.11.2018
Founder · 625 €
MT
Maili Tannenberg
Born 1983 · 42 y · founder since 22.11.2018
Founder · 625 €
NŠ

Shareholders (3)

e-Business Register · 6 h ago
TT
Teele Tänav
· shareholder since 19.09.2025
Shareholder 33% · 834 €
NŠ
Nele Šverns
Born 1989 · 37 y · shareholder since 02.09.2023
Shareholder 33% · 833 €
MT
Maili Tannenberg
Born 1983 · 42 y · shareholder since 02.09.2023
Shareholder 33% · 833 €

Annual reports (7)

e-Business Register · annual reports · 9 päeva tagasi
Revenue 2025
0 €
↘ -100.0% vs 2024
Employees 2025
0
YearRevenueProfitEquityAssetsEmployees

Taxes and employees

Estonian Tax and Customs Board · 10.07.2026 as of
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026—4236 €0 €–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2026–

Licences (1)

MTR · 5 h tagasi
Active licences
1
Other1
Oldest · Newest
2023→2023
Oldest licenceEEP004889 · 17.03.2023
Active1 / 1
EEP004889
Projekteerimine
Majandustegevusteade
From17.03.2023
UntilOpen-ended
Valid

Tech stack

BuiltWith · 11 päeva tagasi
Domains (1)
www.arhinaut.ee
SRCÄriregister
Mobile carrier
+372 53495355Tele2 Eesti Aktsiaselts
Hosting1
Category breakdown
Hosting (1)
–

State-sector payments (1 · 7k €)

RTK Makseandmik · 15.05.2026
Transactions
1
2024–2024 · 1 year
Total amount
7k €
avg 7k €
Buyers
1
State and municipal bodies
Latest
22.07.2024
7k € · Viljandi Vallavalitsus
20241 transaction · 7k €
22.072024
Viljandi Vallavalitsus75038606
PÕHIVARA · Valla- ja linnavalitsus

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
30.06.2026ReportEsitati 2025. aasta aruanne— Käive 0 €
2025
19.09.2025OfficerSai osanikuks— Teele Tänav · · 33 %
19.09.2025OfficerAstus juhatusse— Teele Tänav
19.09.2025FilingMuutmiskanne2×

Connected companies

Same-person ties · e-Business Register

Arhinaut OÜ is connected to 5 other companies through 4 people who hold a role here and elsewhere. The strongest tie runs through Maili Tannenberg (2 companies).

Total connections
5
via 4 people
Connecting people
4
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Maili
2 companies
Via personMaili Tannenberg
Nele Šverns
Born 1989 · 37 y · founder since 22.11.2018
Founder · 625 €
20250 €−4262 €2k €7k €030.06.2026
202417 624 €12 451 €22k €22k €003.03.2025
20235025 €4763 €9k €9k €025.06.2024
20220 €−698 €5k €5k €004.05.2023
20212184 €1918 €5k €5k €028.06.2022
20202184 €−9220 €3k €3k €028.06.2021
201937 957 €28 315 €29k €30k €006.04.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
–
–
–
State taxes 2026–4k €––
Taxes on workforce 2026–0 €––
Employees 2026––––
7000 €
expand ›
hide ⌃
  • Ä 50107593 / 6 · Olek: Jõustunud
  • Kanne nr 6 · kanne
03.03.2025ReportEsitati 2024. aasta aruanne— Käive 17 624 €
2
Nele Šverns1
Teele Tänav1
Linn Nagel1
MT
Maili Tannenberg
board member, founder, shareholder 33%
2 other companies›
CompanyRoleReg. code
OÜ ARHIMOOR
Board memberShareholder 50%Founder
14146291
TALLINNA GIIDIDE ÜHING
Board member
80100282
NŠ
Nele Šverns
board member, founder, shareholder 33%
1 other company›
CompanyRoleReg. code
OÜ ARHIMOOR
Board memberShareholder 50%Founder
14146291
TT
Teele Tänav
board member, founder, shareholder 33%
1 other company›
CompanyRoleReg. code
Lüümus OÜ
Shareholder 100%Board memberFounder
16886780
LN
Linn Nagel
founder
1 other company›
CompanyRoleReg. code
Niikuinii OÜ
Board memberShareholder 100%Founder
14904165

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 ratio36.9%
Current ratio1.58
Compared with2024revenue 18k €

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

Founded 2018. That year 14,762 osaühing were registered; 14,174 are still trading, or 96.0%.