SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Sep. 30, 2025

Accounting Policies [Abstract]

Schedule of estimated useful lives of property and equipment

Items		Useful life
Building		25 years
Leasehold improvements		Shorter of the lease terms or the estimated useful lives
Motor vehicles		4 years
Furniture, fixtures and equipment		5 years
Equipment for leasing		8 years

Schedule of disaggregation of group's revenue

The following table disaggregates the Group’s revenue for the years ended September 30, 2024 and 2025:

		For the Years Ended September 30,
		2024				2025
		HK$				HK$
By revenue type
Security-related engineering services
Security systems and products and installation			81,374,932				84,949,175
Security systems maintenance services			19,889,187				22,954,659
Equipment leasing			5,690,002				3,958,978

			106,954,121				111,862,812
Security guarding and screening services
Security guarding services			61,753,479				65,813,677
Screening services			9,756,409				10,981,055
Related vocational training services			3,700,530				3,729,039

			75,210,418				80,523,771

Total			182,164,539				192,386,583

By timing of revenue recognition
Security-related engineering services
Goods and services transferred at a point in time			81,374,932				84,949,175
Services rendered over time			25,579,189				26,913,637
			106,954,121				111,862,812
Security guarding and screening services
Goods and services transferred at a point in time			—				—
Services rendered over time			75,210,418				80,523,771
			75,210,418				80,523,771
Total			182,164,539				192,386,583