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Search›Companies›MentorWorks OÜ
14121629ActivePrivate limited companyEE101956558 · VAT-registered

MentorWorks OÜ

Tartu maakond, Tartu linn, Tartu linn, Jaama tn 193-1·EMTAK 43999 — Other specialised construction activities·10+ years
Andmed · ···
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Overview

e-Business Register · 5 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
27.09.2016e-Business Register
Address
Jaama tn 193-1, Tartu linn, Tartu linn, 50705 Tartu maakondADS · e-Business Register
E-mail address
jefremov.juri@gmail.come-Business Register
Telephone
+372 56833653· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 43999 - Other specialised construction activitiese-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2508,00 €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

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  • Industries
  • Activity licences
  • Recent registrations

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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 7 sourcese-Business Register · 5 min agoMTATööinspektsioon
e-Business Register ↗

Registered 27. september 2016, primary activity: Other specialised construction activities. Main place of business in Tartu linn, Tartu linn, Tartu maakond.

Revenue 2026 III kv
17 687 €
▲ 426% vs 2025 III kv
As of 10.10.2026 (MTA)
Employees
2
2026 (MTA)
Taxes paid
9219 €
State + labour taxes · 2026 III kv
Tax debt
0 €
As of 10.10.2026 (MTA)
Revenue 2026 (I-III kv)
26k €
▲ 94% vs 2025 I-III kv
As of 10.10.2026 (MTA)
Employees
2
2026 (MTA)
Taxes paid
13k €
State + labour taxes · 2026 (I-III kv)
Tax debt
€0
As of 10.10.2026 (MTA)

Officers

e-Business Register · 5 h ago
JJ
Juri Jefremov
Born 1983 · 43 y · board member since 09.01.2017
Board member

Shareholders

e-Business Register · 5 h ago
JJ
Juri Jefremov
Born 1983 · 43 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Annual reports (7)

e-Business Register · annual reports · 1 päeva tagasi
Revenue 2025
24k €
↘ -33.5% vs 2024
State taxes 2025
11k €
↘ -53.4% vs 2024
Employees 2025
1
↘ -50.0% vs 2024
YearRevenueProfit

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.10.2026 as of
50k €25k €0

Tech stack

Tehnoloogiad
Mobile carrier
+372 56833653Telia Eesti AS

Labour Inspectorate (4 act(s))

opendata.ti.ee

Enforcement cases· 1 case · 4 acts

3-1/23/11827.01.2023
4 acts
Ettekirjutus4 acts · 27.01.2023
—
Show every act (4)+
202327.01.2023
Tööandja on töötaja juhendamise läbiviinud, kuid on jätnud kirjalikult või kirjalikult taasesitamist võimaldavas versioonis selle fikseerimata.
3-1/23/118-1-4 · Ettekirjutus
Violation
—

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
15.06.2026ReportEsitati 2025. aasta aruanne— Käive 24 341 €
2025
15.06.2025ReportEsitati 2024. aasta aruanne— Käive 36 599 €
Equity
Assets
Employees
202524 341 €8179 €11k €22k €115.06.2026
202436 599 €−14 849 €3k €24k €215.06.2025
202360 472 €21 €3k €22k €228.06.2024
202252 531 €−10 664 €3k €24k €219.06.2023
202172 873 €256 €5k €29k €329.06.2022
202088 593 €−20 306 €5k €30k €330.06.2021
2019144 270 €5739 €25k €59k €421.10.2020
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-III Q25 857 €8827 €4125 €2
202524 341 €10 791 €5461 €1
202442 962 €23 166 €15 540 €3
202359 059 €32 575 €22 627 €3
202255 411 €25 562 €17 497 €4
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20260 €8k €18k €–
State taxes 2026260 €2k €6k €–
Taxes on workforce 2026281 €950 €3k €–
Employees 2026122–
Revenue 20250 €10k €3k €11k €
State taxes 20254k €2k €1k €3k €
Taxes on workforce 20255k €281 €281 €281 €
Employees 20251111
Revenue 202411k €6k €7k €20k €
State taxes 20247k €3k €2k €11k €
Taxes on workforce 20245k €3k €1k €6k €
Employees 20243333
Revenue 202311k €12k €24k €13k €
State taxes 20239k €6k €10k €7k €
Taxes on workforce 20237k €4k €8k €3k €
Employees 20234443
Revenue 202213k €14k €14k €14k €
State taxes 20226k €4k €8k €8k €
Taxes on workforce 20224k €3k €7k €4k €
Employees 20223344
No fine
202327.01.2023
Tööandja ei pea töötajale väljastatud isikukaitsevahendite üle arvestust.
3-1/23/118-1-3 · Ettekirjutus
Violation
—
No fine
202327.01.2023
Tööandja ei ole korraldanud tervisekontrolli töötajale, kelle tervist mõjutab töökeskkonna ohutegur või töölaad (kokkupuude ohtliku kemikaaliga Firesafe GPG).
3-1/23/118-1-2 · Ettekirjutus
Violation
—
No fine
202327.01.2023
Tööandja ei ole korraldanud töökeskkonna riskianalüüsi ning seetõttu puudub kirjalik töökeskkonna riskianalüüs.
3-1/23/118-1-1 · Ettekirjutus
Violation
—
No fine

Analysis · 2025

computed from annual reports
Revenue24k €median 45k €54% of the sector median
Net margin33.6%median 3.5%+30.1 pp vs sector median
Revenue per employee24k €median 48k €51% of the sector median
Revenue change-33.5%median 5.6%-39.1 pp vs sector median
Equity ratio49.1%
Current ratio1.48
Labour cost of revenue15.4%
Profit per employee8179 €
Compared with2024revenue 37k €

Peer group: Muud eriehitustööd, 1,256 trading companies that filed a report in the last three years.

Founded 2016. That year 12,438 osaühing were registered; 11,936 are still trading, or 96.0%.