Our Hong Kong ERP development follows a methodology designed for Hong Kong's specific complexity: (1) Requirements and assessment (weeks 1-3): understanding the business before selecting technology. Business process analysis: mapping core business processes — order-to-cash, procure-to-pay, inventory management, financial close, and regulatory reporting. Hong Kong-specific processes: multi-currency handling workflows, cross-border trade processes, bilingual document generation, and regulatory submission procedures. Current system assessment: documenting the existing system landscape — which systems handle which processes, how data flows between them, where manual processes fill gaps, and what pain points drive the ERP project. Hong Kong businesses: often having a complex mix of systems — accounting in one system, inventory in another, CRM in a third, and Excel connecting them all. The assessment: identifying the actual integration challenge, not just the ERP replacement. Technology selection: choosing the right ERP platform. SAP Business One (strong for Hong Kong mid-market — good multi-currency, available in Traditional Chinese, active Hong Kong partner network. Limitations: customisation can be complex and costly), Microsoft Dynamics 365 Business Central (growing in Hong Kong — cloud-native, good Office 365 integration, and strong multi-currency. Limitations: Traditional Chinese localisation not as mature as SAP's), Odoo (open-source ERP — cost-effective for SMEs, highly customisable. Hong Kong: growing community but smaller partner network than SAP or Microsoft), or custom ERP (built specifically for the company's requirements — maximum fit but highest development cost. Justified for businesses with unique processes that no standard ERP handles well). Selection criteria: functional fit (does the ERP handle Hong Kong multi-currency, bilingual operations, and regulatory requirements natively?), total cost of ownership (licensing, implementation, customisation, and ongoing support — in HKD, factoring in exchange rate sensitivity for USD or EUR-priced products), implementation timeline (Hong Kong businesses: expecting faster implementation than global norms — 3-6 months, not 12-18 months), and vendor/partner viability (will the ERP vendor and implementation partner be supporting this system in Hong Kong in 5 years?). (2) Design (weeks 3-5): configuring for Hong Kong. Chart of accounts: designed for Hong Kong statutory requirements and management reporting — multi-entity structures common in Hong Kong (holding company, operating companies, property-holding companies — each with statutory reporting requirements). Currency configuration: all operating currencies configured with exchange rate sources, revaluation rules, and gain/loss account assignments. HKD-USD peg: creating specific requirements for USD handling (some businesses treating HKD and USD as effectively interchangeable; others maintaining strict separation). Tax configuration: Hong Kong Profits Tax (8.25% on first HKD 2M, 16.5% thereafter for corporations), no VAT/GST (Hong Kong's competitive advantage — but ERPs must handle VAT for Mainland China operations and international sales where destination-country VAT applies), and MPF employer contributions (configured for monthly calculation and submission). Bilingual configuration: all master data (items, customers, suppliers, chart of accounts) configured with both Chinese and English descriptions. Document templates: designed in bilingual format — invoices, purchase orders, delivery notes, and reports available in both languages. Approval workflows: configured for Hong Kong business practices — authority limits, multi-level approvals for significant transactions, and Mainland China approvals for cross-border activities. (3) Development and customisation (weeks 4-8): building Hong Kong-specific functionality. Custom modules: Hong Kong trade finance (LC management, bank guarantee tracking, and shipping documentation — integrated with the ERP's order management and financial modules), Mainland China integration (Golden Tax interface for fapiao generation, China customs declaration preparation, and dual-GAAP accounting entries), Hong Kong statutory reporting (IRD Profits Tax computation, employer return data extraction, and Companies Ordinance financial statement preparation), and MPF processing (automated MPF contribution calculation — handling the complex rules around contribution caps, voluntary contributions, and multiple employment scenarios). Data migration: migrating from the existing system(s) to the new ERP. Chart of accounts mapping, customer and supplier master data migration, open transaction migration, and historical data migration for reporting continuity. Hong Kong data migration: handling multi-currency historical balances (HKD and original currency amounts must both be correct), bilingual master data (Chinese and English records must both be migrated), and compliance data (historical records required for IRD — minimum 7 years of records must be accessible). (4) Testing (weeks 7-9): comprehensive validation. User acceptance testing: business users testing every process they perform — in both Chinese and English interfaces. Hong Kong-specific testing: multi-currency transactions (transactions in HKD, USD, RMB, EUR — verifying exchange rate application, gain/loss calculation, and multi-currency reporting), bilingual documents (invoices, POs, and reports generated in both Chinese and English — formatting, character display, and layout verification), regulatory submissions (test IRD filing data, MPF submission files, and statutory financial statement generation), and month-end/year-end close (the complete financial close process — period closing, revaluations, accruals, and report generation. Hong Kong financial year-end: typically March 31 or December 31). Performance testing: testing at expected transaction volumes — particularly important for trading companies processing high daily transaction counts. Integration testing: all system connections tested end-to-end — banking interfaces, eCommerce connections, Mainland China systems, and third-party integrations. (5) Go-live and support (weeks 9-12): launching and stabilising. Go-live planning: scheduled around Hong Kong business calendar — avoiding Chinese New Year, financial year-end, and peak trading periods. Cutover: typically a weekend — final data migration, system switch, and initial validation before Monday morning. Post-go-live support: intensive support for 4-6 weeks — the ERP team on-site for immediate issue resolution. Hong Kong businesses: expecting rapid response to system issues — operational disruption tolerance is very low. Monthly close support: the first monthly close on the new system is critical — dedicated support ensuring the close process completes correctly and produces accurate financial statements. Training: bilingual training — conducted in Cantonese (the working language for most Hong Kong staff) with English materials. Training for Chinese-language users: in Cantonese, not Mandarin — an important distinction that affects comprehension and engagement.