Entity Addresses, Address Type [Axis] Business Contact [Member] Classes of share capital [axis] Class A Ordinary [Member] Class B Ordinary [Member] Components of equity [axis] Subscription Receivables [Member] Additional paid-in capital Other reserves Retained earnings [member] Counterparties [axis] Bluemount Holdings Limited [Member] Bluemount Financial Group Limited [Member] Bluemount Securities Limited [Member] Bluemount Asset Management Limited [Member] Bluemount Capital Limited [Member] Bluemount Commodities Limited [Member] Categories of related parties [axis] Security Related Service And Asset Management Income 1 [Member] Trading Timepieces Third Parties [Member] Trading Timepieces Related Parties [Member] Sundry Income Third Parties 1 [Member] Interes Income From Bank Third Parties [Member] Hong Kong [Member] Cayman Islands [Member] Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Gross carrying amount [member] Classes of property, plant and equipment [axis] Leasehold improvements [member] Office equipment [member] Computer equipment [member] Office equipment Accumulated depreciation [Member] Leasehold Improvement [Member] Leased Properties [Member] Security Related Service And Asset Management Related Parties [Member] Security Related Service And Asset Management Third Parties [Member] Trading Of Timepieces Third Parties [Member] Echo International Holdings Group Limited 1 [Member] Yuk Cuisine Limited [Member] Yuk Cuisine Hong Kong Limited [Member] Echo Asia Hong Kong Limited 1 [Member] Echo Asia Hong Kong Limited [Member] Bluemount Financial Holdings Limited [Member] Bluemount Investment Fund S P C [Member] Ms Chan Wan Shan Sandra [Member] Mr Pan Jiye [Member] Global New Normal Anti Inflation Limited Partnership Fund S P C [Member] Echo International Holdings Group Limited [Member] Bluemount Investment Fund S P C 1 Cyber Investment Fund S P [Member] Bluemount Fund 1 Bluemount Investment Fund S P [Member] Bluemount Investment Fund S P C 1 Bluemount Investment Fund S P [Member] Bluemount Fund 1 Global Strategy Fund S P [Member] Bluemount Fund Global Strategy Fund S P [Member] Global New Normal Anti Inflation Limited Partnership Fund S P C 2 [Member] Echo Asias Hong Kong Limited [Member] Bluemount Investment Fund Sp [Member] Cyber Investment Fund Sp [Member] Global Strategy Fund Sp [Member] Bluemount Group Limited [Member] Yuk Cuisine Hong Kong Limited 1 [Member] Legal Entity [Axis] Bluemount Limited Group Limited [Member] Assets and liabilities [axis] Trade Payable [Member] Class A Ordinary Shares [Member] Class B Ordinary Shares [Member] Class One Ordinary Shares [Member] Classes of ordinary shares [axis] Disposal Subsidiary [Member] Capital requirements [axis] Classes of financial instruments [axis] Categories Of Financial Instruments [Member] Classes of acquired receivables [axis] Performing [Member] Non Performing [Member] Types of risks [axis] Contracts With Customers [Member] Allowance for credit losses [member] Total [Member] Margin Clients [Member] Concentrations of risk [axis] Revenue [Member] Risk variables [axis] Customer A [Member] Customer B [Member] Trade Receivabless [Member] Customer C [Member] Less Thenone Year [Member] Total U Ndiscounted Cashflow [Member] Carrying Amounts [Member] Segments [axis] Security Related Service [Member] Tradingoftimepieces [Member] Corporates [Member] Eliminations [Member] Dividend Payable [Member] Lease Liabilitie [Member] Amountduetoadirector [Member] Loan From Former Related Company [Member] Entity Addresses [Table] Entity Addresses [Line Items] Document Type Amendment Flag Amendment Description Document Registration Statement Document Annual Report Document Quarterly Report Document Transition Report Document Shell Company Report Document Shell Company Event Date Document Period Start Date Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date Entity File Number Entity Registrant Name Entity Central Index Key Entity Primary SIC Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, Address Line Four Entity Address, City or Town Entity Address, State or Province Entity Address, Country Entity Address, Postal Zip Code Country Region City Area Code Local Phone Number Extension Written Communications Soliciting Material Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Title of 12(b) Security No Trading Symbol Flag Trading Symbol Security Exchange Name Title of 12(g) Security Security Reporting Obligation Annual Information Form Audited Annual Financial Statements Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Elected Not To Use the Extended Transition Period Document Accounting Standard Other Reporting Standard Item Number Entity Shell Company Entity Public Float Entity Bankruptcy Proceedings, Reporting Current Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] Contact Personnel Name ICFR Auditor Attestation Flag Document Financial Statement Error Correction Flag Auditor name Auditor Firm ID Auditor Location Statement of changes in equity [table] IfrsStatementLineItems [Line Items] ASSETS Non-current assets Property, plant and equipment Right-of-use assets Deferred offering costs Prepayments, deposits and other receivables Total Non-current assets Current assets Inventories Prepayments, deposits and other receivables Trade receivables - net Bank balances - client accounts Bank balances and cash Total current assets Total assets SHAREHOLDERS’ EQUITY AND LIABILITIES SHAREHOLDERS’ EQUITY Share capital*: Ordinary stock value Subscription receivables Retained earnings Total equity LIABILITIES Current liabilities Trade payables Other payables and accruals Lease liabilities - current portion Loan from a former related company Amount due to a director Tax payables Total liabilities Total shareholders’ equity and liabilities Ordinary share, par value Ordinary shares, share authorized Ordinary shares, share outstanding Ordinary shares, share outstanding Revenue Cost of revenue Gross profit Other income Other gains and losses Impairment loss on trade and other receivables, net of reversal Administrative expenses Finance costs Profit before tax Taxation Profit and total comprehensive income for the year Basic net loss per share Diluted net loss per share Weighted average number of shares outstanding, basic Weighted average number of shares outstanding, Diluted At March 31, 2025 Beginning balance, shares Imputed interest Issurance of ordinary shares Issurance of shares pursuant to IPO, net of offering Costs Issurance of shares pursuant to IPO, net of offering Costs, shares Profit and total comprehensive income for the year At March 31, 2026 Ending balance, shares Statement of cash flows [abstract] OPERATING ACTIVITIES Profit before tax Adjustments for: Impairment loss on trade receivables, net of reversal Gain on disposal of a subsidiary Interest income from banks Interest expenses on lease liabilities Interest expenses on dividend payables Interest expense on trade payable with a third party Imputed interest on amount due to a director Imputed interest on amount due to related parties, net Depreciation of property, plant and equipment Depreciation of right-of-use assets Operating cash flows before movements in working capital Increase / (decrease) in inventories Increase / (decrease) in trade receivables (Decrease) / increase in prepayments, deposits and other receivables Decrease in bank balances - client accounts Decrease in trade and other payables Net cash (used in) / generated from operating activities Interest received Income tax paid Net cash (used in) / generated from operating activities FINANCING ACTIVITIES Proceeds from issuance of shares Payment of deferred offering costs Repayment of dividend payables Advances from a director Repayment of advances to a director Repayment of lease liabilities Repayment of loan from a former related company Interest paid Net cash (used in) / generated from financing activities NET (DECREASE) / INCREASE IN CASH AND CASH EQUIVALENTS CASH AND CASH EQUIVALENTS AT THE BEGINNING OF THE YEAR CASH AND CASH EQUIVALENTS AT THE END OF THE YEAR Description Of Business And Nature Of Operations DESCRIPTION OF BUSINESS AND NATURE OF OPERATIONS Notes and other explanatory information [abstract] BASIS OF PRESENTATION MATERIAL ACCOUNTING POLICY INFORMATION AND USE OF ESTIMATES AND JUDGMENTS REVENUE Cost Of Revenue COST OF REVENUE OTHER INCOME ADMINISTRATIVE EXPENSES FINANCE COSTS Other Gains And Losses OTHER GAINS AND LOSSES TAXATION PROPERTY, PLANT AND EQUIPMENT Disclosure of leases [text block] RIGHT-OF-USE ASSETS DEFERRED OFFERING COSTS PREPAYMENTS, DEPOSITS AND OTHER RECEIVABLES INVENTORIES TRADE RECEIVABLES RELATED PARTY TRANSACTIONS AND BALANCES BANK BALANCES – CLIENT ACCOUNTS TRADE PAYABLES OTHER PAYABLES AND ACCRUALS LOAN FROM A FORMER RELATED COMPANY Disclosure of share capital, reserves and other equity interest [text block] SHARE CAPITAL Disposal Of Subsidiary DISPOSAL OF A SUBSIDIARY LEASE LIABILITIES COMMITMENTS AND CONTINGENCIES Disclosure of financial instruments [text block] REGULATORY REQUIREMENTS CAPITAL RISK MANAGEMENT FINANCIAL INSTRUMENTS Disclosure of material accounting policy information [text block] SEGMENT INFORMATION Disclosure of cash flow statement [text block] RECONCILIATION OF LIABILITIES ARISING FROM FINANCING ACTIVITIES SUBSEQUENT EVENTS Basis of consolidation Leases Deferred offering costs Revenue recognition Employee benefits Borrowing costs Cash and cash equivalents Property, plant and equipment Impairment of non-financial assets Related parties Inventories Financial assets Financial liabilities and equity Taxation Foreign currency translation Provisions and Contingencies Government grants Earnings per share Critical Accounting Estimates and Significant Management Judgments Schedule of subsidiaries Schedule of breakdown of revenue Schedule of cost of revenue Schedule of other income Schedule of administrative expenses Schedule of finance cost Schedule of Other Gains and Losses Schedule of taxation expense Schedule of profit before tax Schedule of property plant and equipment Schedule of estimated residual values Schedule of right of use assets Schedule of deferred offering costs Schedule of prepayments and deposits and other receivables Schedule of inventories Schedule of trade receivables Schedule of trade receivables based on due dates Schedule of relationships Schedule of amount due to director Schedule of transactions with related parties Schedule of balances with related parties Schedule of interests in subsidiaries Schedule of trade payables Schedule of other payables and accuruals Schedule of loan from former related company Schedule of Disposal Subsidiary Schedule of Lease liabilities Schedule of regulatory requirements Schedule of categories of financial instruments Schedule of non-trade receivables Schedule of expected credit losses Schedule of loss allowance for trade receivables Schedule of loss allowance for trade receivables Schedule of customers revenue Schedule of Group’s remaining contractual maturity for its non-derivative financial liabilities Schedule of segment information Schedule of reconciliation of financing activities Disclosure of offsetting of financial assets [table] Name of the Company Place incorporation Date of incorporation Principal activities Voting power held Shares issued Additional shares issued Authorized share capital Divided shares Value per share Shareholders consideration description Security related service and asset management income – third parties1 Trading of timepieces - third parties -  Asset management fee – related parties (Note 17(b)) -  Advisory and consultancy fee – third parties Total break down of revenue Disclosure of transactions between related parties [table] Cost of revenue Direct labor costs Director salary Handling cost Salaries and benefits Office and miscellaneous1 Rent, building management fees and rates Professional fees Depreciation – property, plant and equipment (Note 11) Depreciation – right-of-use assets (Note 12) Bank charges Others  Total administrative expenses Interest expense on lease liabilities Interest expense on dividend payable with a related party (Note 17(b)) Imputed interest on amounts due to related parties, net finance cost Foreign exchange losses Gain on disposal of a subsidiary Other Gains and Losses Income tax expense Under provision Profit before tax Income tax rate Tax at the domestic income tax rate of 16.5% Tax effect of income not taxable for tax purpose Tax effect of expenses not deductible for tax purpose Tax effect of two-tier profits tax rates regime Tax effect of tax loss not recognized Unrecognized temporary differences Utilization of tax losses previously not recognized Underprovision in respect of prior years Tax concession Taxation for the year Disclosure of reconciliation of changes in goodwill [table] Ending balance Write off Ending balance Provided for the year Carrying values Carrying values Disclosure of detailed information about property, plant and equipment [table] Annual depreciation rates Annual depreciation rates Depreciation administrative expenses Depreciated assets Depreciated over useful life Disclosure of quantitative information about right-of-use assets [table] Beginning balance Disposals Ending balance Depreciation Carrying values Depreciation expenses Write off other comprehensive income Legal fees Other professional expenses Deferred offering cost Deposits – third parties Prepayments – third parties Non-current assets Deposits on lease – third parties Prepayments – third parties Other receivables – third parties Other receivables – related parties (Note 17(c))  Total deposits and receivables Merchandise inventories - timepieces -  Security related service and asset management income – related parties -  Security related service and asset management income – third parties -  Trading of timepieces – third parties TRADE RECEIVABLES GROSS Less: impairment allowance Total trade receivables Current 1 – 3 months 4 – 6 months 7 – 9 months 10 – 12 months   Current trade receivables Less: impairment allowance Total Cost of revenue Nature of relationships Relationship with the Group Echo Asia (Hong Kong) Limited Name of related parties Transaction nature Trade receivables balance Yuk Cuisine (Hong Kong) Limited Name of related parties Balance nature Entities [Table] Entity Information [Line Items] Place of incorporation Issued and fully paid share capital Principal activities in subsidiaries Disclosure of assets and liabilities with significant risk of material adjustment [table] - Cash clients – third parties - Margin clients – third parties - Others – third parties Trade payables arising from consultancy services – third parties  Trade payables Other payables to related parties (Note 17(c)) Other payables to third parties Accrued operating expenses Other payables and accuruals Loan from a former related company1 Monthly fee Disclosure of classes of share capital [table] Authorized share capital Divided shares Ordinary par value Ordinary shares issued Ordinary shares Outstanding transferred Shares Ordinary par share Shareholders description Public offering price Purchase additional Shares issued Deposits and other receivables Amount due from a director Tax payables Trade payables Other payables and accruals Loan from a former related company Net liabilities disposed Consideration received Net liabilities disposed Loss on disposal of a subsidiary As of April 1 Interest expenses Lease payment As of March 31 Lease Liabilities Current portion Maturity analysis Less than one year Total undiscounted lease liabilities Amount representing implicit interest Lease obligation short-term lease expenses Interest expenses in finance cost Disclosure of objectives, policies and processes for managing capital [table] Minimum regulatory capital requirements Capital level maintain ed Disclosure of detailed information about financial instruments [table] Financial assets Amortized cost Trade receivables - net Deposit and other receivables Bank balance – client accounts Bank balances and cash Financial assets Amortized cost Trade payables Other payables Financial liabilities Disclosure of acquired receivables [table] Definition Loss provision Disclosure of risk management strategy related to hedge accounting [table] Trade receivables Non performing credit risk net At March 31, 2025 Increase in loss allowance Write-offs Disposal of a subsidiary At March 31, 2026 Disclosure of detailed information about concentrations of risk that arises from contracts within scope of IFRS 17 [table] Concentration of credit risk percentage Concentration of credit risk financial Assets Trade payables financial liabilities net impairment loss Write-off of the loss allowance Impairment loss Disclosure of disaggregation of revenue from contracts with customers [table] Impairment loss on trade and other receivables, net of reversal Administrative expenses Finance costs Profit/(loss) before tax Total assets Total liabilities Other gains and losses At March 31, 2025 Financing cash flows At March 31, 2026 Non-current assets [Default Label] Current prepayments and other current assets Current assets [Default Label] Assets Equity Liabilities Equity and liabilities OrdinarySharesShareIssued Gross profit General and administrative expense Tax expense (income) Profit (loss) Number of shares outstanding ProfitLossBeforeTaxs Interest income on loans and advances to banks Adjustments to reconcile profit (loss) Adjustments for decrease (increase) in other operating receivables Cash flows from (used in) operating activities PaymentOfDeferredOfferingCosts RepaymentOfDividendPayables RepaymentOfAdvancesToDirector Payments of lease liabilities, classified as financing activities RepaymentOfLoanFromFormerRelatedCompany Interest paid, classified as financing activities Cash flows from (used in) financing activities Increase (decrease) in cash and cash equivalents after effect of exchange rate changes Cash and cash equivalents [Default Label] Description of accounting policy for deferred acquisition costs arising from insurance contracts [text block] Description of accounting policy for property, plant and equipment [text block] Description of accounting policy for measuring inventories [text block] Disclosure of contingent liabilities [text block] Gains on disposals of investments Depreciation, property, plant and equipment PropertyPlantAndEquipmentCarryingValue Depreciation rate, property, plant and equipment NoncurrentAsset PrepaymentsThirdParties ImpairmentAllowanceTradeReceivablesBasedOnDue CostOfRevenues NameOfRelatedParties Dividends paid, ordinary shares TaxPayables Trade and other payables LoanFromFormerRelatedCompany NetLiabilitiesDisposedSubsidiary LeasePayment BankBalancesAndCash Deposits at amortised cost AllowanceTradeReceivables ImpairmentLossOnTradeAndOtherReceivablesNetOfReversal LiabilitiesArissingFromFinancingActivities