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Income tax (Tables)
12 Months Ended
Dec. 31, 2024
Notes and other explanatory information [abstract]  
Schedule of income tax

Details of income tax are as follows:-

 

   2024   2024   2023   2022 
   US$   HK$   HK$   HK$ 
                 
Current tax – Hong Kong                    
- current year provision   968,491    7,522,946    6,407,506    6,113,619 
- prior year (over)/under provision   (1,278)   (9,923)   (1,049)   48,364 
Current tax – Taiwan   743    5,775    -    29,431 
Total current tax   967,956    7,518,798    6,406,457    6,191,414 
Deferred tax (Note 14)   (618,598)   (4,805,091)   1,251,531    (1,811,065)
                     
Total tax expenses for the year   349,358    2,713,707    7,657,988    4,380,349 
Schedule of income tax expense at the effective tax rates

A reconciliation of the tax expense applicable to profit/(loss) before tax at the statutory rates for the jurisdictions or countries in which the Group and the majority of its subsidiaries are domiciled to the tax expense at the effective tax rates is as follows:-

 

   2024   2024   2023   2022 
   US$   HK$   HK$   HK$ 
                 
Profit/(loss) before tax   4,584,903    35,614,151    (29,788,123)   37,789,702 
                     
Tax at applicable rate   742,371   5,766,512   (5,018,726)   6,126,766 
Income not subject to tax   (1,434,439)   (11,142,285)   (177,009)   (2,082,326)
Non-deductible expenses   323,638    2,513,924    4,613,617    316,177 
Income tax exemption and rebate   (1,351)   (10,500)   (30,000)   (42,000)
Tax effect of deductible temporary differences not recognized   171,424    1,331,573    4,213,670    512,372 
Utilisation of previously unrecognised tax losses   (50,855)   (395,030)   (1,052,220)   (936,952)
(Over)/ under provision for previous year   (1,278)   (9,923)   (1,049)   48,364 
Difference in tax rate in different countries   743    5,775    -    5,176 
Tax losses not recognised   599,105    4,653,661    5,146,140    431,755 
Others   -    -    (36,435)   1,017 
                     
Tax charge at the group’s effective rate   349,358    2,713,707    7,657,988    4,380,349