Arenum OÜ

Active Registry code 17253633 OÜ Tallinn Registered 2 Jun 2025
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Arenum OÜ is a OÜ based in Tallinn, registry code 17253633, status: active. Main activity: Installation, maintenance and repair of heating, ventilation and air conditioning equipment. Its annual report for 2025 shows revenue of €6 921 and 0 employees.

Turnover
—
State taxes
333 €
Labour taxes
333 €
Employees
—

Q3 2026 · data from the Tax and Customs Board (EMTA)

Position in the industry Specialised construction activities · EMTAK 43

  • Revenue · 2025 6 921 €
    industry median 37 328 € · companies in the industry: 10 311
  • Net profit margin · 2025 60.3 %
    industry median 3.9 % · companies in the industry: 8 588

Taxes and turnover

Q1 2026 – Q3 2026
State taxes, € Q3 2026: 333 € · −1.2% vs Q1 2026
0100200300400Q1 2026 Company: 337 €Q1·26Q3 2026 Company: 333 €Q3·260100200300400Q1 2026 Company: 337 €Q3 2026 Company: 333 €Q3·26
Figures by quarter
Quarter Turnover, € State taxes, € Labour taxes, € Employees
Q3 2026 — 333 333 —
Q1 2026 — 337 355 —

Financials by year

2025 – 2025
Revenue, € 2025: 6 921 € · industry median 37 328 € · above 25% of the industry
010 00020 00030 00040 0002025 Company: 6 921 € Industry median: 37 328 €2025010 00020 00030 00040 0002025 Company: 6 921 € Industry median: 37 328 €2025
  • Company
  • Industry median

Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit, € 2025: 4 172 € · industry median 561 € · above 66% of the industry
01 0002 0003 0004 0005 0002025 Company: 4 172 € Industry median: 561 €202501 0002 0003 0004 0005 0002025 Company: 4 172 € Industry median: 561 €2025
  • Company
  • Industry median

Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit margin, % 2025: 60.3 % · industry median 3.9 % · above 94% of the industry
0204060802025 Company: 60.3 % Industry median: 3.9 %20250204060802025 Company: 60.3 % Industry median: 3.9 %2025
  • Company
  • Industry median

Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Assets, € 2025: 4 172 €
01 0002 0003 0004 0005 0002025 Company: 4 172 €202501 0002 0003 0004 0005 0002025 Company: 4 172 €2025
Equity, € 2025: 4 172 €
01 0002 0003 0004 0005 0002025 Company: 4 172 €202501 0002 0003 0004 0005 0002025 Company: 4 172 €2025
Employees 2025: 0 · industry median 1 · above 2% of the industry
0.00.20.40.60.81.02025 Company: 0 Industry median: 120250.00.20.40.60.81.02025 Company: 0 Industry median: 12025
  • Company
  • Industry median

Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Financials by year
Year Revenue, € Net profit, € Labour costs, € Assets, € Equity, € Employees
2025 6 921 4 172 0 4 172 4 172 0

Figures from the company’s own (non-consolidated) balance sheet and income statement. A loss is shown with a minus sign.

Financial ratios for 2025

Net profit margin
60.3 %
Net profit / revenue
Return on equity (ROE)
100.0 %
Net profit / equity
Return on assets (ROA)
100.0 %
Net profit / assets
Equity ratio
100.0 %
Equity / assets
Debt ratio
0.0 %
Liabilities / assets

Annual reports

PDFs from e-Äriregister
Annual reports
Year Period Filed Report Documents
2025 2 Jun 2025 – 31 Dec 2025 5 Jun 2026 Company’s own e-Äriregister

Board

Right of representation

Any member of the management board may represent the private limited company in all transactions.

Owners

Beneficial owners

Founders and other persons

shared board members, owners or beneficial owners

Activities (EMTAK)

  • 43221Installation, maintenance and repair of heating, ventilation and air conditioning equipment Main

Rulings 2

All rulings (PDF)
Rulings
Number, date Title Deadline State Document
Ä 50283990 / M1
1 Jun 2026
 Ruling to eliminate deficiencies in the annual report 1 Jul 2026 Deficiencies eliminated
8 Jun 2026
 PDF
Ä 50283990
2 Jun 2025
 First entry In force
2 Jun 2025
 PDF

Sources: e-Äriregister and EMTA. Data updated 31 Oct 2026. Open at the source ↗ · Report an error in the data