OÜ 1kelvin

Tallinn, Harju, Estonia

Top 10% of its industry by revenue
Profitable
16 years in business

Registration code: 11863885
VAT number: EE101362964
Address: Tornimäe tn 3 // 5 // 710145 TallinnEstonia

Company details

Industry: Plumbing, heat and air-conditioning installation
NACE code: 43.22
Legal form: Private limited company (OÜ)
Founded: 2010 · 16 yr
Employees: 16
Revenue: €4.3M
Website: kelvin.ee

Contact information

4 found

Financial data

FY 2025

Source: National business registers

About the company

OÜ 1kelvin, a Private limited company (OÜ), is officially registered with code 11863885. Its registered office is located in , Estonia. It operates within the Plumbing, heat and air-conditioning installation sector, which sits within the broader category.

OÜ 1kelvin reported 2025 revenue of €4.3 million, positioning it as a small-scale enterprise. OÜ 1kelvin has reported lower revenue year-over-year in each of the last 2 reported years, a trend observed since at least 2023. The company closed the year as a profitable operation.

Company facts and financials compiled from official company registers and publicly available business information, standardised and de-duplicated per country. Data last updated October 16, 2026.

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