Percentage of total contract value.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

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- Definition

Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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- Definition

Amount of increase (decrease) in income from government assistance, classified as operating.

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- Definition

Indicates line item in statement of income or comprehensive income that includes increase (decrease) in income from government assistance, classified as operating.

+ References

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

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- Definition

Amount of expense related to credit loss from transactions other than loan and lease transactions.

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- Definition

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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Summary of Significant Accounting Policies (Details)	12 Months Ended
Summary of Significant Accounting Policies (Details)	Mar. 31, 2026 HKD ($)	Mar. 31, 2026 USD ($)	Mar. 31, 2025 HKD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 HKD ($)
Summary of Significant Accounting Policies [Line Items]
Provision for expected credit losses	$ 23,666,004	$ 3,018,623	$ 6,799,787		$ 5,480,283
Retention receivables
Impairment loss on goodwill	$ 35,124,140	4,480,120			1,500,000
Impairment of long-lived assets
Government Assistance, Operating Income, Increase (Decrease), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other income	Other income
Government subsidies			$ 638,400
US [Member]
Summary of Significant Accounting Policies [Line Items]
Translation rate			1
HK [Member]
Summary of Significant Accounting Policies [Line Items]
Translation rate			7.84
Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Percentage of total contract value			5.00%
Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Percentage of total contract value			10.00%