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Private company

One Architects

Logo: https://www.sttinfo.fi/tiedote/70638907/kolme-menestynytta-arkkitehtitoimistoa-yhdistyvat-one-architects-aloittaa?publisherId=69819179&lang=fi, Non-free logo, via Wikipedia4

One Architects is a Finnish company.1 It is headquartered in Helsinki, Finland.1 It is part of A-Insinöörit.1

One Architects Oy on suomalainen arkkitehtuuritoimisto ja yksi A-Insinöörien tytäryhtiöstä. Yhtiön toimistot sijaitsevat Helsingissä ja Tallinnassa. Yhtiö on liikevaihdoltaan Suomen viidenneksi suurin arkkitehtuuritoimisto.2 From the Finnish Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

  • HeadquartersHelsinki, Finland1
  • Websitewww.onearchitects.fi
  • Legal formosakeyhtiö1
  • LEI743700EC88F0OVJNCS253
  • StatusActive3
  • LEI statusLapsed (not renewed)3
  • Registered addressRuoholahdenkatu 21, FI-00180 Helsinki, Finland3
  • Registered withFinnish Patent and Registration Office, 0979166-23

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Corporate structure

One Architects is part of a group headed by A-Insinöörit. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Timeline

  1. Oct 3, 1994Founded One Architects is founded3

Sources

The numbers on this page point here. Each one links to the record it came from.

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