Contract Assets, Net - Schedule of Contract Assets, Net (Details) |
Mar. 31, 2025
HKD ($)
|
Mar. 31, 2025
USD ($)
|
Sep. 30, 2024
HKD ($)
|
|---|---|---|---|
| Schedule of Contract Assets, Net [Abstract] | |||
| Contract assets | $ 18,678,502 | $ 7,193,947 | |
| Less: allowance for credit loss | (640,000) | (750,000) | |
| Total | $ 18,038,502 | $ 2,318,961 | $ 6,443,947 |
| X | ||||||||||
- Definition Amount of allowance for credit loss for right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, before allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|