
Financial Services Software Development
Secure, Compliant Systems for Modern Financial Institutions
Rosnium partners with regulated financial institutions and FinTech companies to design and engineer secure, compliant financial software that scales with confidence. From embedded KYC and AML verification workflows to payments, FX infrastructure and portfolio systems, we build audit-ready platforms that align with regulatory frameworks including the UK Financial Conduct Authority (FCA), Payment Systems Regulator (PSR) and Electronic Money Regulations (EMR). Our approach ensures compliance, security and operational control are built into the architecture from day one, enabling financial organisations to launch faster, scale safely and operate under regulatory scrutiny.
Our Core Financial Software Capabilities
Embedded Finance
API-driven financial service layers that integrate payments, lending, FX, data exchange and insurance capabilities into regulated platforms.
Wealth & Portfolio Management
End-to-end portfolio management systems that support client onboarding, financial planning workflows, performance reporting and adviser tooling.
Investment & Trading Systems
Regulated execution platforms that manage the full trade lifecycle from order entry to settlement, including market connectivity, portfolio tracking, risk controls and audit trails.
Capital Markets Technology
Scalable infrastructure for institutional market participants, covering issuance workflows, trade processing, counterparty management and post-trade operations.
Financial Data & Reporting
Secure data aggregation environments that transform transactional and operational datasets into regulatory submissions, performance dashboards and KPI tracking tools.
Compliance & Governance
AML and KYC automation, FCA regulatory reporting infrastructure and audit-ready traceability embedded directly into your platform architecture .
Back-Office Operations
Operational systems that centralise front, middle, and back-office environments, with settlement workflows, reconciliation, custody management and corporate actions processing.
Client & Investor Portals
Branded digital experiences giving retail and institutional clients transparent access to portfolios, statements, documents and communications.
Integration & Connectivity
API-first architecture, FIX protocol connectivity and middleware solutions that enable clean data flow, third-party integrations and scalable platform interoperability across all office layers.
Business Outcomes for Financial Institutions
Our financial software solutions are designed to deliver measurable strategic impact.





