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Search›Companies›Osaühing Trebuild
11031630ActivePrivate limited companyEE100917271 · VAT-registered

Osaühing Trebuild

Harju maakond, Tallinn, Kesklinna linnaosa, Tartu mnt 84a·EMTAK 71121 — Constructional engineering-technical designing and consulting·22+ years
Andmed · ···
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Overview

e-Business Register · 15 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
30.07.2004e-Business Register
Address
Tartu mnt 84a, Kesklinna linnaosa, Tallinn, 10112 Harju maakondADS · e-Business Register
E-mail address
tanel@trebuild.eee-Business Register
Telephone
+372 5062875· Elisa Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 71121 - Constructional engineering-technical designing and consultinge-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
51 128,00 €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
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  • For journalists
  • Donate
  • Donation terms
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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 11 sourcese-Business Register · just nowMTAMTRRiigi Teataja · RiigikohusWeb tech scanEesti Internet
e-Business Register ↗

Registered 30. juuli 2004, primary activity: Constructional engineering-technical designing and consulting. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
29 800 €
▲ 4157% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
7695 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 09.08.2026 (MTA)
Revenue 2026 (I-II kv)
31k €
▲ 4294% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
9k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 09.08.2026 (MTA)

Tax debt over time

MTA · last 365 d

Current debt: 0,00 €. History updated daily.

30 days
–
no data yet
90 days
–
no data yet
365 days
–
no data yet

Officers

e-Business Register · 15 h ago
TA
Tanel Assmann
Born 1984 · 42 y · board member since 02.01.2006
Board member

Founders

e-Business Register · 15 h ago
VV
Viljandi Vektor OÜFOREIGN
Foreign / not in register · founder since 25.02.2004
Founder

Shareholders (3)

e-Business Register · 15 h ago
WA
Waldemar Assmann
Born 1956 · 70 y · shareholder since 01.09.2023
Shareholder 52% · 26k €
MA
Maire Assmann
Born 1957 · 69 y · shareholder since 01.09.2023
Shareholder 24% · 12k €
TA
Tanel Assmann
Born 1984 · 42 y · shareholder since 01.09.2023
Shareholder 24% · 12k €

Subsidiaries

e-Business Register · shareholders · 15 h ago

Osaühing Trebuild is a shareholder or officer in 1 more company.

OÜ Ladu Pluss
Founder

Annual reports (7)

e-Business Register · annual reports · 4 päeva tagasi
Revenue 2025
23k €
↘ -51.4% vs 2024
State taxes 2025
7k €
↘ -53.6% vs 2024
Employees 2025
0
↘ -100.0% vs 2024
YearRevenueProfitEquityAssetsEmployees
202523 200 €−16 736 €170k €173k €030.06.2026
202447 770 €14 918 €187k €190k €130.06.2025
202350 029 €−29 132 €172k €176k €211.06.2024
202275 577 €
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
50k €25k €0
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I-II Q31 150 €8215 €1044 €–
202523 161 €7273 €1910 €–
202468 318 €15 658 €3153 €–
202350 140 €30 086 €21 211 €2
202278 410 €103 302 €
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20261k €30k €––
State taxes 20261k €7k €––
Taxes on workforce 2026522 €522 €––
Employees 2026––––
Revenue 20259 €700 €15k €8k €
State taxes 2025853 €973 €

Licences (3)

MTR · 14 h tagasi
Active licences
3
Other3
Oldest · Newest
2009→2012
Oldest licenceEEH003931 · 16.03.2009
Newest licenceEEP002448 · 29.06.2012
Active3 / 3
EEP002448
Projekteerimine
Majandustegevusteade
From29.06.2012
UntilOpen-ended
Valid
EEH003931
Ehitamine
Majandustegevusteade
From16.03.2009
UntilOpen-ended
Valid
EEO001852
Omanikujärelevalve
Majandustegevusteade
From16.03.2009
UntilOpen-ended
Valid

Tech stack

Website analysis · 15 h tagasi
Domains (1)
trebuild.ee
REGTelia Eesti AS
SRCEIS WHOIS
Detected technologies
Web serverApache
Mobile carrier
+372 5062875Elisa Eesti AS

Court rulings (3 · 1 as claimant · 2 as respondent)

Riigi Teataja

Role in proceedings2010–2012

3 with a known role
Claimant 133%
Respondent 267%
20122 decisions
26.06.20122-11-59735/8
Võlaõigus › Muud kasutuslepingudTartu Maakohus Viljandi kohtumajaDecision PDF →On Riigi Teataja →On lahend.ee →
KostjaJõustunud
14.06.20122-11-58221/7
Võlaõigus › Muud kasutuslepingudTartu Maakohus Viljandi kohtumajaDecision PDF →On Riigi Teataja →On lahend.ee →
KostjaJõustunud
20101 decision
19.08.20102-09-71226/15
Võlaõigus › Muud kasutuslepingudTartu Maakohus Viljandi kohtumajaDecision PDF →On Riigi Teataja →On lahend.ee →
HagejaJõustunud

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
21.07.2026TaxMaksuvõlg kasvas— +678 € (kokku 678 €)
30.06.2026ReportEsitati 2025. aasta aruanne— Käive 23 200 €
2025
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 47 770 €

Connected companies

Same-person ties · e-Business Register

Osaühing Trebuild is connected to 4 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Tanel Assmann (2 companies).

Total connections
4
via 2 people
Connecting people
2
Active here
Distinct roles
2
Board member · Shareholder
Strongest tie
Tanel
2 companies
Via personTanel Assmann2Waldemar Assmann2
TA
Tanel Assmann
board member, shareholder 24%
2 other companies›
CompanyRoleReg. code
Blugal OÜ
Board memberShareholder 50%Founder
16062285
Tallinn, Keemia tn 7 korteriühistu
Board member
−96 262 €
211k €
219k €
3
07.02.2023
202161 464 €8668 €548k €556k €323.01.2022
202066 916 €−27 608 €559k €567k €426.02.2021
201926 666 €−51 438 €599k €603k €313.08.2020
32 017 €
2
4k €
2k €
Taxes on workforce 2025518 €522 €522 €348 €
Employees 2025––––
Revenue 202410k €16k €18k €25k €
State taxes 20243k €4k €4k €5k €
Taxes on workforce 20242k €509 €509 €509 €
Employees 2024––––
Revenue 202321k €7k €10k €12k €
State taxes 202310k €6k €6k €8k €
Taxes on workforce 20236k €6k €4k €5k €
Employees 20232222
Revenue 202217k €30k €9k €22k €
State taxes 202260k €14k €17k €12k €
Taxes on workforce 20226k €9k €8k €9k €
Employees 20223332
80368671
WA
Waldemar Assmann
shareholder 52%
2 other companies›
CompanyRoleReg. code
Neudorf Capital OÜ
FounderBoard memberShareholder 50%
16241065
WAMP Group OÜ
Shareholder 50%FounderBoard member
14344921

Analysis · 2025

computed from annual reports
Revenue23k €median 36k €64% of the sector median
Net margin-72.1%median 19.2%-91.4 pp vs sector median
Revenue change-51.4%median 5.4%-56.9 pp vs sector median
Equity ratio98.1%
Current ratio11.77
Labour cost of revenue0.0%
Compared with2024revenue 48k €

Peer group: Ehituslik insener-tehniline projekteerimine ja nõustamine, 1,820 trading companies that filed a report in the last three years.

Founded 2004. That year 3,425 osaühing were registered; 3,309 are still trading, or 96.6%.