v3.26.1
Right-of-use assets - Schedule of leased properties (Details) - HKD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Reconciliation of changes in right-of-use assets [abstract]    
Carrying amount at beginning of period $ 1,463,566  
Depreciation charge 1,215,689 $ 2,416,122
Gain on early termination of lease   (104,493)
Carrying amount at end of period $ 2,875,107 1,463,566
Accumulated depreciation and amortisation    
Reconciliation of changes in right-of-use assets [abstract]    
Depreciation charge   $ 2,489,615