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Search›Companies›Contestor OÜ
11078790ActivePrivate limited companyEE100962255 · VAT-registered

Contestor OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, A. Lauteri tn 8-37·EMTAK 71121 — Constructional engineering-technical designing and consulting·22+ years
Andmed · ···
On this page
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Overview

e-Business Register · 3 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
14.10.2004e-Business Register
Address
A. Lauteri tn 8-37, Kesklinna linnaosa, Tallinn, 10114 Harju maakondADS · e-Business Register
E-mail address
contestor@contestor.eee-Business Register
Telephone
+372 5072600· Telia 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
2556,00 €e-Business Register
LEI
25490083NEV49WA90B60 · lapsed · issued 31.03.2020 · renewal overdue 589dGLEIF
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

  • 78 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
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  • For journalists
  • Donate
  • Donation terms
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  • Terms
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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 13 sourcese-Business Register · 6 min agoMTARTKMTRRiigi Teataja · RiigikohusWeb tech scanEesti InternetGLEIF
e-Business Register ↗

Registered 14. oktoober 2004, primary activity: Constructional engineering-technical designing and consulting. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 III kv
71 872 €
▼ 4% vs 2025 III kv
As of 10.10.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
12 853 €
State + labour taxes · 2026 III kv
Tax debt
0 €
As of 09.11.2026 (MTA)
Revenue 2026 (I-III kv)
205k €
▼ 11% vs 2025 I-III kv
As of 10.10.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
38k €
State + labour taxes · 2026 (I-III kv)
Tax debt
€0
As of 09.11.2026 (MTA)

Tax debt over time

MTA · last 365 d
Current €0max 4k €
11 Aug 202625 Sep 202610 Nov 2026
30 days
−4k €
3937,18 € → 0,00 €
90 days
−358,27 €
358,27 € → 0,00 €
365 days
–
no data yet

Officers

e-Business Register · 3 h ago
JK
Jürgen Kallo
Born 1982 · 44 y · board member since 19.11.2019
Board member

Founders

e-Business Register · 3 h ago
JK
Jürgen Kallo
Born 1982 · 44 y · founder since 14.10.2004
Founder

Shareholders

e-Business Register · 3 h ago
JK
Jürgen Kallo
Born 1982 · 44 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Subsidiaries

e-Business Register · shareholders · 3 h ago
Contestor OÜ11078790Shareholder 100%Darlene OÜ14284952Korsika OÜ14038845Shareholder 50%Longterm OÜ14511247Shareholder 50%OÜ Ellind17135974Shareholder 50%Wallenhof OÜ14548167Wallenstein OÜ14719887
  • Darlene OÜ (14284952) Shareholder 100%
  • Longterm OÜ (14511247) Founder, Shareholder 50%
  • OÜ Ellind (17135974) Founder, Shareholder 50%
  • Wallenhof OÜ (14548167) Shareholder 50%
  • Korsika OÜ (14038845) Shareholder 100% (via Darlene OÜ)
  • Wallenstein OÜ (14719887) Founder, Shareholder 100% (via Wallenhof OÜ)
Contestor OÜ is a shareholder or officer in 6 more companies.

Annual reports (7)

e-Business Register · annual reports · 5 h tagasi
Revenue 2025
309k €
↗ +32.6% vs 2024
State taxes 2025
60k €
↗ +238% vs 2024
Employees 2025
1
0.0% vs 2024
YearRevenueProfitEquityAssetsEmployees
2025309 185 €126 447 €2,0m €2,9m €126.06.2026
2024233 120 €207 219 €1,9m €2,8m €124.09.2025
2023292 857 €−171 417 €1,7m €2,3m €020.09.2024
2022286 581 €126 405 €
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 · 10.10.2026 as of
100k €50k €0
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I-III Q205 421 €34 844 €3274 €1
2025307 737 €60 188 €7020 €1
2024196 770 €17 788 €5292 €1
2023302 957 €42 161 €0 €–
2022216 225 €29 215 €
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202665k €68k €72k €–
State taxes 202610k €13k €12k €–
Taxes on workforce 20261k €1k €1k €–
Employees 2026111–
Revenue 202581k €75k €75k €77k €
State taxes 202515k €13k €

Licences (3)

MTR · 2 h tagasi
Active licences
3
Other3
Oldest · Newest
2017→2017
Oldest licenceEEP003956 · 04.10.2017
Active3 / 3
EEP003956
Projekteerimine
Majandustegevusteade
From04.10.2017
UntilOpen-ended
Valid
EEH010182
Ehitamine
Majandustegevusteade
From04.10.2017
UntilOpen-ended
Valid
EEO003957
Omanikujärelevalve
Majandustegevusteade
From04.10.2017
UntilOpen-ended
Valid

Tech stack

Tehnoloogiad
Domains (2)
contestor.ee
SPF
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Could not analyse (This operation was aborted)
ehitusekspert.ee
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Could not analyse (HTTP 403)
Mobile carrier
+372 5072600Telia Eesti AS

Veebilehte ei õnnestunud analüüsida (HTTP 403).

Court rulings (2 · 2 as respondent)

Riigi Teataja

Role in proceedings2019–2023

2 with a known role
Respondent 2100%
20231 decision
30.03.20232-22-4461/34
Võlaõigus › Laenu- ja krediidilepingudHarju Maakohus Tallinna kohtumajaOther parties: Osaühing Interest Marketing (Hageja)Decision PDF →On Riigi Teataja →On lahend.ee →
KostjaJõustunud
20191 decision
14.11.20192-19-123844/5
Võlaõigus › Muud lepingud teenuste osutamiseksHarju Maakohus Tallinna kohtumajaOther parties: Osaühing EUROPARK ESTONIA (Hageja)Decision PDF →On Riigi Teataja →On lahend.ee →
KostjaJõustunud

State-sector payments (1 · 504,38 €)

RTK Makseandmik · 15.05.2026
Transactions
1
2025–2025 · 1 year
Total amount
504,38 €
avg 504,38 €
Buyers
1
State and municipal bodies
Latest
20.11.2025
504,38 € · Tallinna Strateegiakeskus
20251 transaction · 504,38 €
20.112025
Tallinna Strateegiakeskus75023817
SOTSIAALTOETUSED · Muu majandus (sh majanduse haldus)
504 €

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
13.10.2026TaxMaksuvõlg vähenes— −3581 € (jäänud 357 €)
22.08.2026TaxMaksuvõlg kasvas— +3579 € (kokku 3937 €)
11.08.2026TaxMaksuvõlg kasvas— +358 € (kokku 358 €)
26.06.2026ReportEsitati 2025. aasta aruanne— Käive 309 185 €
2025
24.09.2025ReportEsitati 2024. aasta aruanne— Käive 233 120 €
15.08.2025FilingTrahvihoiatusmäärus: majandusaasta aruanne esitamata— Ä 10083614 / M14 · Olek: Puudused kõrvaldatud

Connected companies

Same-person ties · e-Business Register

Contestor OÜ is connected to 9 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Jürgen Kallo (9 companies).

Total connections
9
via 1 person
Connecting people
1
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Jürgen
9 companies
Via personJürgen Kallo9
JK
Jürgen Kallo
board member, founder, shareholder 100%
9 other companies›
CompanyRoleReg. code
Darlene OÜ
Board member
14284952
Korsika OÜ
Board member
14038845
Longterm OÜ
1,8m €
2,4m €
0
01.12.2023
2021188 141 €242 855 €1,7m €2,4m €013.07.2022
2020130 926 €140 271 €1,5m €2,4m €009.06.2022
2019233 175 €69 751 €1,3m €2,4m €107.06.2022
0 €
–
14k €
18k €
Taxes on workforce 20252k €2k €2k €2k €
Employees 20251111
Revenue 202457k €60k €36k €45k €
State taxes 20247k €0 €5k €5k €
Taxes on workforce 20240 €2k €2k €2k €
Employees 20241111
Revenue 202378k €68k €67k €90k €
State taxes 202312k €9k €9k €13k €
Taxes on workforce 20230 €0 €0 €0 €
Employees 2023––––
Revenue 202255k €76k €37k €48k €
State taxes 20228k €11k €2k €8k €
Taxes on workforce 20220 €0 €0 €0 €
Employees 2022––––
Board member
14511247
OÜ Ellind
Board memberShareholder 50%Founder
17135974
Tallinn, Kollane tn 9 korteriühistu
Board member
80618694
Tallinn, Pärnu mnt 8 // Väike-Karja tn 9 korteriühistu
Board member
80181524
Waldstein OÜ
Board memberFounderShareholder 100%
14900322
Wallenhof OÜ
Board member
14548167
Wallenstein OÜ
Board member
14719887

Analysis · 2025

computed from annual reports
Revenue309k €median 36k €8.6× the sector median
Net margin40.9%median 19.1%+21.8 pp vs sector median
Revenue per employee309k €median 64k €4.8× the sector median
Revenue change32.6%median 5.2%+27.5 pp vs sector median
Equity ratio68.4%
Current ratio0.19current assets cover under 1× liabilities
Labour cost of revenue5.2%
Profit per employee126 447 €
Compared with2024revenue 233k €

Peer group: Ehituslik insener-tehniline projekteerimine ja nõustamine, 1,823 trading companies that filed a report in the last three years.

Founded 2004. That year 3,426 osaühing were registered; 3,306 are still trading, or 96.5%.