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Search›Companies›SideEffect OÜ
10890905ActivePrivate limited companyEE100785021 · VAT-registered

SideEffect OÜ

Harju maakond, Tallinn, Pirita linnaosa, Hõbekuuse tee 47·EMTAK 69202 — Bookkeeping, tax consulting·23+ years
Andmed · ···
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Overview

e-Business Register · 3 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
13.09.2002e-Business Register
Address
Hõbekuuse tee 47, Pirita linnaosa, Tallinn, 12111 Harju maakondADS · e-Business Register
E-mail address
info@se.eee-Business Register
Telephone
+372 5291155· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 69202 - Bookkeeping, tax consultinge-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
200,00 €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
  • Recent registrations

Data

  • 72 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • For journalists
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 7 sourcese-Business Register · 2 min agoMTA
e-Business Register ↗

Registered 13. september 2002, primary activity: Bookkeeping, tax consulting. Main place of business in Pirita linnaosa, Tallinn, Harju maakond.

Revenue 2026 (I kv)
14 640 €
▼ 1% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
6001 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 26.06.2026 (MTA)
Revenue 2026 (I kv)
15k €
▼ 1% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
6k €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 26.06.2026 (MTA)

Officers

e-Business Register · 3 h ago
AK
Argo Kaur
Born 1983 · 43 y · board member since 10.08.2004
Board member

Founders

e-Business Register · 3 h ago
KŽ
Kersti Ždanovitš
Born 1972 · 54 y · founder since 13.09.2002
Founder

Shareholders

e-Business Register · 3 h ago
AK
Argo Kaur
Born 1983 · 43 y · shareholder since 15.05.2025
Shareholder 100% · 200 €

Beneficial owners

e-Business Register · 3 h ago
AK
Argo Kaur
Born 1983 · 43 y · ultimate beneficial owner since 04.09.2018
Ultimate beneficial owner

Annual reports (6)

e-Business Register · annual reports · 6 päeva tagasi
Revenue 2024
71k €
↗ +78.9% vs 2023
State taxes 2025
12k €
↘ -42.9% vs 2024
Employees 2024
2
0.0% vs 2023
YearRevenueProfit

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
50k €25k €0

Tech stack

Tehnoloogiad
Mobile carrier
+372 5291155Telia Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
26.06.2025ReportEsitati 2024. aasta aruanne— Käive 71 486 €
15.05.2025OfficerSai osanikuks— Argo Kaur · · 100 %
15.05.2025FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 10067363 / 17 · Olek: Jõustunud
  • Kanne nr 17 · kanne
06.05.2025

Connected companies

Same-person ties · e-Business Register

SideEffect OÜ is connected to 6 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Kersti Ždanovitš (5 companies).

Total connections
6
via 2 people
Connecting people
2
Active here
Distinct roles
4
Board member · Shareholder
Strongest tie
Kersti
5 companies
Via personKersti Ždanovitš
Equity
Assets
Employees
202471 486 €10 369 €14k €17k €226.06.2025
202339 962 €−3498 €3k €13k €229.06.2024
202237 412 €−6823 €7k €11k €230.06.2023
202156 268 €4157 €13k €20k €229.06.2022
202054 700 €6429 €9k €11k €230.06.2021
201953 507 €203 €3k €8k €223.10.2020
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 Q14 640 €4574 €1427 €1
202530 372 €11 993 €8433 €1
202465 494 €21 001 €11 505 €1
202345 513 €14 867 €9962 €1
202243 013 €14 983 €9470 €1
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202615k €–––
State taxes 20265k €–––
Taxes on workforce 20261k €–––
Employees 20261–––
Revenue 202515k €8k €3k €5k €
State taxes 20255k €3k €2k €3k €
Taxes on workforce 20253k €2k €2k €2k €
Employees 20251111
Revenue 202411k €22k €20k €13k €
State taxes 20244k €6k €6k €5k €
Taxes on workforce 20243k €3k €3k €3k €
Employees 20241111
Revenue 202312k €7k €17k €9k €
State taxes 20234k €3k €5k €4k €
Taxes on workforce 20232k €3k €3k €3k €
Employees 20231111
Revenue 202218k €7k €10k €8k €
State taxes 20225k €3k €4k €3k €
Taxes on workforce 20223k €3k €2k €2k €
Employees 20221111
FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 10067363 / 16 · Olek: Jõustunud
  • Kanne nr 16 · kanne
07.01.2025FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 10067363 / 15 · Olek: Jõustunud
  • Kanne nr 15 · kanne
2024
31.12.2024FilingMuutmiskanne— Ä 10067363 / M4 · Olek: Puudused kõrvaldatud
18.09.2024FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 10067363 / 14 · Olek: Jõustunud
  • Kanne nr 14 · kanne
16.09.2024FilingMuutmiskanne— Ä 10067363 / M3 · Olek: Puudused kõrvaldatud
29.06.2024ReportEsitati 2023. aasta aruanne— Käive 39 962 €
5
Argo Kaur1
KŽ
Kersti Ždanovitš
founder
5 other companies›
CompanyRoleReg. code
Kaksi Audit OÜ
Shareholder 50%Ultimate beneficial ownerBoard member
11952583
osaühing Kaksi Consult
Board memberUltimate beneficial ownerShareholder 50%
10069027
osaühing ORMAR INVEST
Founder
10403839
Osaühing Sunto Invest
Founder
10889925
OÜ Kaksi Financial
Ultimate beneficial ownerShareholder 100%
10198670
AK
Argo Kaur
board member, shareholder 100%, ultimate beneficial owner
1 other company›
CompanyRoleReg. code
Eesti Vanasõidukite Restaureerijate Liit
Ultimate beneficial owner
80341353