v3.25.2
Segment Reporting - Schedule of Information by Segment (Details)
 6 Months Ended
Mar. 31, 2025
HKD ($)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
HKD ($)
Schedule of Information by Segment [Line Items]      
Revenues $ 107,912,380 $ 13,872,804 $ 91,845,615
Cost of revenues (85,953,617) (11,049,869) (65,231,088)
Gross profit 21,958,763 2,822,935 26,614,527
Depreciation 905,575   869,104
Amortization of intangible assets 37,200 4,782 42,500
Amortization of operating lease ROU assets 953,751 $ 122,611 440,254
Total capital expenditures 250,000   2,466,513
Security-related engineering services [Member]      
Schedule of Information by Segment [Line Items]      
Revenues 67,386,312   56,209,135
Cost of revenues (51,146,038)   (34,944,807)
Gross profit 16,240,274   21,264,328
Depreciation 875,075   854,229
Amortization of intangible assets 22,700   28,000
Amortization of operating lease ROU assets 499,504   74,230
Total capital expenditures   663,000
Security guarding and screening services [Member]      
Schedule of Information by Segment [Line Items]      
Revenues 40,526,068   35,636,480
Cost of revenues (34,807,579)   (30,286,281)
Gross profit 5,718,489   5,350,199
Depreciation 30,500   14,875
Amortization of intangible assets 14,500   14,500
Amortization of operating lease ROU assets 454,247   366,024
Total capital expenditures $ 250,000   $ 1,803,513