Company Check

onsieve OÜ

Estonia · Registry code 17616774

onsieve OÜ is a private limited company (OÜ) registered with Estonian e-Business Register (Äriregister) under registry code 17616774. It was incorporated on 5 October 2026. The registered office is in Tallinn (10145), Harju maakond. Its main activity is EMTAK 2025 (NACE Rev. 2.1) code 72101 (Research and experimental development on natural sciences and engineering). The register lists its status as Registered.

StatusRegistered
Registry code17616774
Legal formPrivate limited company (OÜ)
Incorporated5 October 2026
Registered officeTornimäe tn 5, 10145 Tallinn, Harju maakond
Activity (EMTAK 2025 (NACE Rev. 2.1))72101 Research and experimental development on natural sciences and engineering

Board and representatives

Names and roles as listed on the register card.

NameRoleSince
Sebastiano Maria OnnisManagement board member5 October 2026

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Links: 72101 companies · companies in Tallinn · incorporated in October 2026 · Estonian company check

Source: e-Business Register open data (RIK), CC BY 4.0. Data version 2026-10-22.