Aerial view of Hong Kong’s skyline and Victoria Harbour at sunset.

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.

Modern city skyline and skyscrapers.
Modern city skyline and skyscrapers.

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.

Our Core Financial Software Capabilities

End-to-end, customised systems for operations that are core to the business. High complexity and full ownership.

Our Core Financial Software Capabilities

End-to-end, customised systems for operations that are core to the business. High complexity and full ownership.

Our Core Financial Software Capabilities

End-to-end, customised systems for operations that are core to the business. High complexity and full ownership.

Our Core Financial Software Capabilities

End-to-end, customised systems for operations that are core to the business. High complexity and full ownership.

Our Core Financial Software Capabilities

End-to-end, customised systems for operations that are core to the business. High complexity and full ownership.

Our Core Financial Software Capabilities

End-to-end, customised systems for operations that are core to the business. High complexity and full ownership.

Our Core Financial Software Capabilities

End-to-end, customised systems for operations that are core to the business. High complexity and full ownership.

Build Financial Infrastructure You Fully Control

Rosnium Decorative Logo

Build Financial Infrastructure You Fully Control

Rosnium Decorative Logo

Build Financial Infrastructure You Fully Control

Rosnium Decorative Logo

Build Financial Infrastructure You Fully Control

Rosnium Decorative Logo

Build Financial Infrastructure You Fully Control

Rosnium Decorative Logo

Build Financial Infrastructure You Fully Control

Rosnium Decorative Logo

Business Outcomes for Financial Institutions

Our financial software solutions are designed to deliver measurable strategic impact.

Reduced Regulatory Exposure

Stronger data security and governance.

Time-to-Market

Ship compliant platforms without the delays.

Organisational Efficiency

Integrations with bespoke CRM, HRMS, and ERP

Reduced Regulatory Exposure

Stronger data security and governance.

Time-to-Market

Ship compliant platforms without the delays.

Organisational Efficiency

Integrations with bespoke CRM, HRMS, and ERP

Why FinTech Companies Choose Rosnium

FCA & PSR Aligned Software

  • GDPR, CCPA and global privacy regulation readiness.

  • Integration with UKDIATF Identity Service Providers (IDSPs) for biometric onboarding.

  • Custom KYC/AML workflows to verify, report and file Suspicious Activity Reports (SARs).

  • SYSC-Compliant immutable and retrievable record-keeping with clear audit trails.

  • CASS 15 D+1 automated reconciliation engines that automatically compare funds held against bank balances.

Digital magnifying glass inspecting security, compliance, and safety icons.

Why FinTech Companies Choose Rosnium

FCA & PSR Aligned Software

  • GDPR, CCPA and global privacy regulation readiness.

  • Integration with UKDIATF Identity Service Providers (IDSPs) for biometric onboarding.

  • Custom KYC/AML workflows to verify, report and file Suspicious Activity Reports (SARs).

  • SYSC-Compliant immutable and retrievable record-keeping with clear audit trails.

  • CASS 15 D+1 automated reconciliation engines that automatically compare funds held against bank balances.

Digital magnifying glass inspecting security, compliance, and safety icons.

Why FinTech Companies Choose Rosnium

FCA & PSR Aligned Software

  • GDPR, CCPA and global privacy regulation readiness.

  • Integration with UKDIATF Identity Service Providers (IDSPs) for biometric onboarding.

  • Custom KYC/AML workflows to verify, report and file Suspicious Activity Reports (SARs).

  • SYSC-Compliant immutable and retrievable record-keeping with clear audit trails.

  • CASS 15 D+1 automated reconciliation engines that automatically compare funds held against bank balances.

Digital magnifying glass inspecting security, compliance, and safety icons.

Why FinTech Companies Choose Rosnium

FCA & PSR Aligned Software

  • GDPR, CCPA and global privacy regulation readiness.

  • Integration with UKDIATF Identity Service Providers (IDSPs) for biometric onboarding.

  • Custom KYC/AML workflows to verify, report and file Suspicious Activity Reports (SARs).

  • SYSC-Compliant immutable and retrievable record-keeping with clear audit trails.

  • CASS 15 D+1 automated reconciliation engines that automatically compare funds held against bank balances.

Digital magnifying glass inspecting security, compliance, and safety icons.

Why FinTech Companies Choose Rosnium

FCA & PSR Aligned Software

  • GDPR, CCPA and global privacy regulation readiness.

  • Integration with UKDIATF Identity Service Providers (IDSPs) for biometric onboarding.

  • Custom KYC/AML workflows to verify, report and file Suspicious Activity Reports (SARs).

  • SYSC-Compliant immutable and retrievable record-keeping with clear audit trails.

  • CASS 15 D+1 automated reconciliation engines that automatically compare funds held against bank balances.

Digital magnifying glass inspecting security, compliance, and safety icons.

Why Partner With Rosnium

FCA & PSR Aligned Software

  • GDPR, CCPA and global privacy regulation readiness.

  • Integration with UKDIATF Identity Service Providers (IDSPs) for biometric onboarding.

  • Custom KYC/AML workflows to verify, report and file Suspicious Activity Reports (SARs).

  • SYSC-Compliant immutable and retrievable record-keeping with clear audit trails.

  • CASS 15 D+1 automated reconciliation engines that automatically compare funds held against bank balances.

Why Partner With Rosnium

FCA & PSR Aligned Software

  • GDPR, CCPA and global privacy regulation readiness.

  • Integration with UKDIATF Identity Service Providers (IDSPs) for biometric onboarding.

  • Custom KYC/AML workflows to verify, report and file Suspicious Activity Reports (SARs).

  • SYSC-Compliant immutable and retrievable record-keeping with clear audit trails.

  • CASS 15 D+1 automated reconciliation engines that automatically compare funds held against bank balances.

Digital magnifying glass inspecting security, compliance, and safety icons.

Financial Platforms We've Delivered

Related Services

System architecture, Legacy, Cloud, and AI modernisation.

Enterprise platforms handling data, workflows, and operations.

Modular systems that extend SaaS with targeted custom builds.

Ongoing maintenance, monitoring, and 24/7 helpdesk for SLA support

Related Services

System architecture, Legacy, Cloud, and AI modernisation.

Enterprise platforms handling data, workflows, and operations.

Modular systems that extend SaaS with targeted custom builds.

Ongoing maintenance, monitoring, and 24/7 helpdesk for SLA support

Related Services

System architecture, Legacy, Cloud, and AI modernisation.

Enterprise platforms handling data, workflows, and operations.

Modular systems that extend SaaS with targeted custom builds.

Ongoing maintenance, monitoring, and 24/7 helpdesk for SLA support

Related Services

System architecture, Legacy, Cloud, and AI modernisation.

Enterprise platforms handling data, workflows, and operations.

Modular systems that extend SaaS with targeted custom builds.

Ongoing maintenance, monitoring, and 24/7 helpdesk for SLA support

Related Services

System architecture, Legacy, Cloud, and AI modernisation.

Enterprise platforms handling data, workflows, and operations.

Modular systems that extend SaaS with targeted custom builds.

Ongoing maintenance, monitoring, and 24/7 helpdesk for SLA support

What Happens Next?

Share a few details through our project form and we will get in touch to discuss your project, our approach, and how we can move forward together. Alternatively, you can also email us at hello@rosnium.com

Intro Call

Initial discussion to understand pain-points & requirements.

Discovery

Identify operational gaps and optimisation opportunities.

Scope Definition

Define project architecture, and development model.

Alignment

Align priorities, timelines and delivery-plan across teams.

Project Kick-Off

Launch project with resources and teams aligned.

What Happens Next?

Share a few details through our project form and we will get in touch to discuss your project, our approach, and how we can move forward together. Alternatively, you can also email us at hello@rosnium.com

Intro Call

Initial discussion to understand pain-points & requirements.

Discovery

Identify operational gaps and optimisation opportunities.

Scope Definition

Define project architecture, and development model.

Alignment

Align priorities, timelines and delivery-plan across teams.

Project Kick-Off

Launch project with resources and teams aligned.

What Happens Next?

Share a few details through our project form and we will get in touch to discuss your project, our approach, and how we can move forward together. Alternatively, you can also email us at hello@rosnium.com

Intro Call

Initial discussion to understand pain-points & requirements.

Discovery

Identify operational gaps and optimisation opportunities.

Scope Definition

Define project architecture, and development model.

Alignment

Align priorities, timelines and delivery-plan across teams.

Project Kick-Off

Launch project with resources and teams aligned.

What Happens Next?

Share a few details through our project form and we will get in touch to discuss your project, our approach, and how we can move forward together. Alternatively, you can also email us at hello@rosnium.com

Intro Call

Initial discussion to understand pain-points & requirements.

Discovery

Identify operational gaps and optimisation opportunities.

Scope Definition

Define project architecture, and development model.

Alignment

Align priorities, timelines and delivery-plan across teams.

Project Kick-Off

Launch project with resources and teams aligned.

What Happens Next?

Share a few details through our project form and we will get in touch to discuss your project, our approach, and how we can move forward together. Alternatively, you can also email us at hello@rosnium.com

Intro Call

Initial discussion to understand pain-points & requirements.

Discovery

Identify operational gaps and optimisation opportunities.

Scope Definition

Define project architecture, and development model.

Alignment

Align priorities, timelines and delivery-plan across teams.

Project Kick-Off

Launch project with resources and teams aligned.

What Happens Next?

Share a few details through our project form and we will get in touch to discuss your project, our approach, and how we can move forward together. Alternatively, you can also email us at hello@rosnium.com

Intro Call

Initial discussion to understand pain-points & requirements.

Discovery

Identify operational gaps and optimisation opportunities.

Scope Definition

Define project architecture, and development model.

Alignment

Align priorities, timelines and delivery-plan across teams.

Project Kick-Off

Launch project with resources and teams aligned.

Contact Us

Share a few details and a senior consultant will be in touch to discuss your requirements.

Book an Intro Call

Follow this link to schedule a meeting.

We collect your contact information only to discuss your project. Check our privacy policy for how we protect your data.

Contact Us

Share a few details and a senior consultant will be in touch to discuss your requirements.

Book an Intro Call

Follow this link to schedule a meeting.

We collect your contact information only to discuss your project. Check our privacy policy for how we protect your data.

Contact Us

Share a few details and a senior consultant will be in touch to discuss your requirements.

Book an Intro Call

Follow this link to schedule a meeting.

We collect your contact information only to discuss your project. Check our privacy policy for how we protect your data.

Contact Us

Share a few details and a senior consultant will be in touch to discuss your requirements.

Book an Intro Call

Follow this link to schedule a meeting.

We collect your contact information only to discuss your project. Check our privacy policy for how we protect your data.

Contact Us

Share a few details and a senior consultant will be in touch to discuss your requirements.

We collect your contact information only to discuss your project. Check our privacy policy for how we protect your data.