Private company

1O1O

Logo: 1O1O官方網站, Non-free logo, via Wikipedia3

1O1O is a mobile network operator in Hong Kong.1 It is part of CSL Mobile Limited.1

1O1O（讀作「1010」，中國數字小寫「一零一零」，大寫「壹零壹零」，意指「一千零一十」，大寫「壹仟零壹拾」，阿拉伯數字「1010」）是香港流動通訊有限公司（CSL）旗下於1993年推出的流動電話服務品牌，為香港現存五個流動電話服務供應商之一。主要業務是提供流動通訊服務及銷售手提電話，定位主要為話音通訊，為客户提供免費 AI 實戰課程等，目前主力發展高端客用及商用5G服務，支援非獨立組網（NSA）和獨立組網（SA）雙模式。在香港目前共有22間門市，於香港、九龍及新界均設有服務據點。2 From the Chinese Wikipedia, CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

See how the biggest companies compare on our leaderboards

Corporate structure

1O1O is part of a group headed by CSL Mobile Limited. 3 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from 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

Sources

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

  1. 1
  2. 2
  3. 3