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Staff Costs (Tables)
12 Months Ended
Dec. 31, 2022
Classes of employee benefits expense [abstract]  
Summary of staff costs
    
For the year ended December 31,
 
    
2020
    
2021
    
2022
 
    
HK$
    
HK$
    
HK$
 
Salaries, bonuses and staff welfare
     93,660,617        94,776,416        121,314,816  
Pension scheme contributions (defined contribution schemes)
     749,664        809,482        7,942,657  
    
 
 
    
 
 
    
 
 
 
       94,410,281        95,585,898        129,257,473