v3.26.3
Schedule of information by segment (Details)
 12 Months Ended
Sep. 30, 2025
USD ($)
Sep. 30, 2025
HKD ($)
Sep. 30, 2024
HKD ($)
Segment Reporting [Line Items]      
Revenues $ 24,718,821 $ 192,386,583 $ 182,164,539
Cost of revenues (20,768,729) (161,643,021) (134,568,099)
Gross profit $ 3,950,092 30,743,562 47,596,440
Employee benefit expenses   (24,867,244) (21,238,740)
Depreciation and amortization   (2,453,309) (1,564,871)
Advertising and promotion expenses   (6,544,822) (2,153,863)
Legal and professional fee   (4,279,526) (5,446,881)
Credit losses   (2,383,000) 3,158,000
Losses on disposal of property and equipment   (2,008,324) (636,289)
Other segment items * [1]   (8,192,900) (8,782,193)
Segment operating profit   (19,985,563) 10,931,603
Reconciliation of segment profit:      
Other income   40,091 72,238
Other gains (losses), net   211,347 347,507
Finance income   755,232 799,631
Finance cost   (148,878) (189,749)
Income tax expenses   643,294 (1,307,742)
Segment profit (loss)   (18,484,477) 10,653,488
Security Related Engineering Services [Member]      
Segment Reporting [Line Items]      
Revenues   111,862,812 106,954,121
Cost of revenues   (91,244,218) (70,735,182)
Gross profit   20,618,594 36,218,939
Employee benefit expenses   (8,885,528) (11,213,392)
Depreciation and amortization   (1,319,293) (700,610)
Advertising and promotion expenses   (192,146) (62,459)
Legal and professional fee   (76,958) (14,100)
Credit losses   (2,140,000) 3,190,000
Losses on disposal of property and equipment   (1,998,157) (636,289)
Other segment items * [1]   (3,548,603) (3,343,924)
Segment operating profit   2,457,909 23,438,165
Reconciliation of segment profit:      
Other income   30,136 1,000
Other gains (losses), net   106,253 437,305
Finance income   108,653 148,182
Finance cost   (148,878) (109,360)
Income tax expenses   618,432 (1,340,506)
Segment profit (loss)   3,172,505 22,574,786
Security Guarding And Screening Services [Member]      
Segment Reporting [Line Items]      
Revenues   80,523,771 75,210,418
Cost of revenues   (70,398,803) (63,832,917)
Gross profit   10,124,968 11,377,501
Employee benefit expenses   (6,525,269) (5,770,191)
Depreciation and amortization   (1,134,016) (864,261)
Advertising and promotion expenses   (65,000) (43,136)
Legal and professional fee   (13,612) (19,605)
Credit losses   (243,000) (32,000)
Losses on disposal of property and equipment   (10,167)
Other segment items * [1]   (1,503,054) (1,229,255)
Segment operating profit   630,850 3,419,053
Reconciliation of segment profit:      
Other income   9,955 71,238
Other gains (losses), net  
Finance income  
Finance cost   (80,389)
Income tax expenses   24,862 32,764
Segment profit (loss)   665,667 3,442,666
Unallocated [Member]      
Segment Reporting [Line Items]      
Revenues  
Cost of revenues  
Gross profit  
Employee benefit expenses   (9,456,447) (4,255,157)
Depreciation and amortization  
Advertising and promotion expenses   (6,287,676) (2,048,268)
Legal and professional fee   (4,188,956) (5,413,176)
Credit losses  
Losses on disposal of property and equipment  
Other segment items * [1]   (3,141,243) (4,209,014)
Segment operating profit   (23,074,322) (15,925,615)
Reconciliation of segment profit:      
Other income  
Other gains (losses), net   105,094 (89,798)
Finance income   646,579 651,449
Finance cost  
Income tax expenses  
Segment profit (loss)   $ (22,322,649) $ (15,363,964)
[1] For the reportable segment, the other segment items category primarily includes expenses relating to short-term leases and low-value assets, insurance, building management fees, utilities, travelling expenses, and other miscellaneous expenses.