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Search›Companies›SERION OÜ
16750766ActivePrivate limited companyEE102623479 · VAT-registered

SERION OÜ

Ida-Viru maakond, Kohtla-Järve linn, Ahtme linnaosa, Iidla tn 12-12·EMTAK 43211 — Electrical installation work·3+ years
Andmed · ···
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Overview

e-Business Register · 4 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
02.06.2023e-Business Register
Address
Iidla tn 12-12, Ahtme linnaosa, Kohtla-Järve linn, 31022 Ida-Viru maakondADS · e-Business Register
E-mail address
serionou@gmail.come-Business Register
Principal activity
EMTAK 43211 - Electrical installation worke-Business Register · ETCB
VAT number
ETCB · VAT-registered
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

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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 6 sourcese-Business Register · 4 min agoMTA
e-Business Register ↗

Registered 2. juuni 2023, primary activity: Electrical installation work. Main place of business in Ahtme linnaosa, Kohtla-Järve linn, Ida-Viru maakond.

Revenue 2026 II kv
13 465 €
▲ 685% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
9529 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 10.08.2026 (MTA)
Revenue 2026 (I-II kv)
28k €
▲ 214% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
15k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 10.08.2026 (MTA)

Officers

e-Business Register · 4 h ago
SI
Sergei Ionkin
Born 1977 · 49 y · board member since 02.06.2023
Board member

Founders

e-Business Register · 4 h ago
SI
Sergei Ionkin
Born 1977 · 49 y · founder since 01.06.2023
Founder · 1k €

Shareholders

e-Business Register · 4 h ago
SI
Sergei Ionkin
Born 1977 · 49 y · shareholder since 09.07.2024
Shareholder 100% · 3k €

Annual reports (3)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2025
25k €
↗ +3.0% vs 2024
Employees 2025
0
YearRevenueProfitEquityAssetsEmployees

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
20k €10k €0

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
07.07.2026ReportEsitati 2025. aasta aruanne— Käive 24 860 €
04.02.2026FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50229856 / 4 · Olek: Jõustunud
  • Kanne nr 4 · kanne
2025
23.06.2025ReportEsitati 2024. aasta aruanne— Käive 24 132 €

Connected companies

Same-person ties · e-Business Register

SERION OÜ is connected to 1 other company through 1 person who hold a role here and elsewhere. The strongest tie runs through Sergei Ionkin (1 company).

Total connections
1
via 1 person
Connecting people
1
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Sergei
1 company
Via personSergei Ionkin
202524 860 €2691 €8k €11k €007.07.2026
202424 132 €1130 €10k €11k €023.06.2025
202312 769 €6435 €7k €10k €027.06.2024
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
2023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I-II Q27 665 €9399 €5694 €1
202522 120 €3927 €0 €1
202434 310 €4564 €415 €1
2023I-IV Q2820 €323 €0 €–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202614k €13k €––
State taxes 20264k €6k €––
Taxes on workforce 20262k €4k €––
Employees 202611––
Revenue 20257k €2k €9k €5k €
State taxes 2025959 €–1k €2k €
Taxes on workforce 20250 €–0 €0 €
Employees 2025–––1
Revenue 202411k €959 €13k €10k €
State taxes 20242k €–1k €1k €
Taxes on workforce 20240 €–415 €0 €
Employees 2024–1––
Revenue 2023––2k €1k €
State taxes 2023––323 €0 €
Taxes on workforce 2023––0 €0 €
Employees 2023––––
1
SI
Sergei Ionkin
board member, founder, shareholder 100%
1 other company›
CompanyRoleReg. code
Hooneühistu VORMEL-1
Board member
80015042

Analysis · 2025

computed from annual reports
Revenue25k €median 49k €51% of the sector median
Net margin10.8%median 4.4%+6.4 pp vs sector median
Revenue change3.0%median 2.7%+0.3 pp vs sector median
Equity ratio76.3%
Current ratio4.22
Labour cost of revenue0.0%
Compared with2024revenue 24k €

Peer group: Elektripaigaldustööd, 1,084 trading companies that filed a report in the last three years.

Founded 2023. That year 19,350 osaühing were registered; 18,818 are still trading, or 97.3%.