1. Define the business model
Document target markets, products, client segments and operational model. Legal and regulatory requirements should be assessed with qualified professional advisers for the relevant jurisdictions.
2. Select the platform architecture
Choose the platform and define account structures, products, roles, integration requirements and production ownership.
3. Design onboarding
Map registration, KYC, agreements, account creation and client communications with explicit systems of record.
4. Connect execution infrastructure
Define liquidity counterparties, connectivity, symbol mapping, routing and reconciliation appropriate to the intended execution model.
5. Implement payments
Integrate permitted payment providers with clear status handling, reconciliation, security controls and operational review.
6. Build monitoring and support
Assign owners for platform, integrations, infrastructure, client operations and external vendors. Define escalation before launch.
7. Test and launch
Run end-to-end UAT, failure scenarios, recovery tests and a controlled production checklist before accepting live clients.