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Organization and principal activities (Tables) | 12 Months Ended
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Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Subsidiary Companies | Upon the Group Reorganization and as of the date of these consolidated financial statements, details of the subsidiary companies are as follows: Schedule of Subsidiary Companies
Name |  | Place of incorporation |  | Date of incorporation |  | Business engaged in |  | Effective ownership as of June 30, 2023 |  |  | Effective ownership as of June 30, 2024 |
Energys Group Holding Limited |  | British Virgin Islands |  | June 29, 2017 |  | Investment holding |  |  | 100 | % |  |  | 100 | %
Grand Alliance International Limited |  | Hong Kong |  | December 29, 2000 |  | Procurement of parts and provision of internal management services to the Group |  |  | 100 | % |  |  | 100 | %
Energys Group Limited |  | Hong Kong |  | May 28, 2004 |  | Research and development |  |  | 100 | % |  |  | 100 | %
New Vision Lighting Limited |  | Hong Kong |  | January 24, 2013 |  | Procurement of lighting and indoor air quality products |  |  | 100 | % |  |  | 100 | %
Advance Gallant Limited |  | Hong Kong |  | August 1, 2014 |  | Holding commercial property in Hong Kong |  |  | 100 | % |  |  | 100 | %
China Light Limited |  | Hong Kong |  | August 8, 2014 |  | Holding commercial property in Hong Kong |  |  | 100 | % |  |  | 100 | %
Leading Prosper Limited |  | Hong Kong |  | March 29, 2014 |  | Holding commercial property in Hong Kong |  |  | 100 | % |  |  | 100 | %
Peace Master Limited |  | Hong Kong |  | March 29, 2014 |  | Holding commercial property in Hong Kong |  |  | 100 | % |  |  | 100 | %
Energys Group Limited |  | The United Kingdom |  | January 30, 2006 |  | Investment holding |  |  | 100 | % |  |  | 100 | %
Energys Services Limited |  | The United Kingdom |  | July 7, 1999 |  | Dormant |  |  | 100 | % |  |  | 100 | %
Harvest Idea Consultant Limited |  | British Virgin Islands |  | July 5, 2011 |  | Dormant |  |  | 100 | % |  |  | 100 | %
Energy Conservation Solutions Limited |  | The United Kingdom |  | August 21, 1998 |  | Provision of enterprise-grade LED lighting and energy management project solutions |  |  | 100 | % |  |  | 100 | %

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- Definition Tabular disclosure of the key aspects of a subsidiary (partnership, corporation, or other entity) of the limited liability company or limited partnership. + References No definition available. + Details
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