Aerial view of Big Ben and the Houses of Parliament in London.

Application Development for Wealth Management

Bespoke Solutions for Wealth and Portfolio Management

Rosnium designs and builds controlled, custom infrastructure for regulated wealth management firms, unifying client management, portals, portfolio oversight, and compliance into a single scalable operating environment.

Several white yachts and sailboats on the ocean.

The Complete Portfolio & Advisor Solution

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

Portfolio Management System (PMS)

Client Portal & Dashboard

Bespoke Reporting Engine

Alternative Asset Management

Rosnium's AWS Partnership Badge.
Rosnium's Microsoft Partnership Badge.

Modular apps built for specific functions, plugged into existing infrastructure. Faster to deploy.

Custom Tiered Billing Engines

Wealth CRM Customisation

Custodian Rebalancing Connectivity

Custom Financial Planning

Rosnium's Service Now Partnership Badge.
Rosnium's Microsoft Partnership Badge.

Connect existing SaaS, ERP, or tools to enhance functionality without full rebuild.

Custodian Data Connectivity

Market Data Integrations

Banking & Back-Office

PSD2 & Open Banking

Rosnium's Microsoft Partnership Badge.

Ongoing maintenance, upgrades, compliance, and lifecycle management for core systems.

Regulatory Change Management

Feature Roadmap Delivery

Legacy System Modernisation

Performance & Security Audits

Rosnium's AWS Partnership Badge.
Rosnium's Service Now Partnership Badge.

Purpose-built regulatory and governance layers embedded into operational systems, aligned to sector-specific requirements.

KYC/AML Onboarding Workflows

Suitability & Appropriateness

Regulatory Reporting Modules

Transaction & Breach Monitoring

Rosnium's AWS Partnership Badge.

The Complete Portfolio & Advisor Solution

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

Portfolio Management System (PMS)

Client Portal & Dashboard

Bespoke Reporting Engine

Alternative Asset Management

Rosnium's AWS Partnership Badge.
Rosnium's Microsoft Partnership Badge.

Modular apps built for specific functions, plugged into existing infrastructure. Faster to deploy.

Custom Tiered Billing Engines

Wealth CRM Customisation

Custodian Rebalancing Connectivity

Custom Financial Planning

Rosnium's Service Now Partnership Badge.
Rosnium's Microsoft Partnership Badge.

Connect existing SaaS, ERP, or tools to enhance functionality without full rebuild.

Custodian Data Connectivity

Market Data Integrations

Banking & Back-Office

PSD2 & Open Banking

Rosnium's Microsoft Partnership Badge.

Ongoing maintenance, upgrades, compliance, and lifecycle management for core systems.

Regulatory Change Management

Feature Roadmap Delivery

Legacy System Modernisation

Performance & Security Audits

Rosnium's AWS Partnership Badge.
Rosnium's Service Now Partnership Badge.

Purpose-built regulatory and governance layers embedded into operational systems, aligned to sector-specific requirements.

KYC/AML Onboarding Workflows

Suitability & Appropriateness

Regulatory Reporting Modules

Transaction & Breach Monitoring

Rosnium's AWS Partnership Badge.

The Complete Portfolio & Advisor Solution

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

Portfolio Management System (PMS)

Client Portal & Dashboard

Bespoke Reporting Engine

Alternative Asset Management

Rosnium's Microsoft Partnership Badge.

Modular apps built for specific functions, plugged into existing infrastructure. Faster to deploy.

Custom Tiered Billing Engines

Wealth CRM Customisation

Custodian Rebalancing Connectivity

Custom Financial Planning

Rosnium's Service Now Partnership Badge.
Rosnium's Microsoft Partnership Badge.

Connect existing SaaS, ERP, or tools to enhance functionality without full rebuild.

Custodian Data Connectivity

Market Data Integrations

Banking & Back-Office

PSD2 & Open Banking

Rosnium's Microsoft Partnership Badge.

Ongoing maintenance, upgrades, compliance, and lifecycle management for core systems.

Regulatory Change Management

Feature Roadmap Delivery

Legacy System Modernisation

Performance & Security Audits

Rosnium's AWS Partnership Badge.
Rosnium's Service Now Partnership Badge.

Purpose-built regulatory and governance layers embedded into operational systems, aligned to sector-specific requirements.

KYC/AML Onboarding Workflows

Suitability & Appropriateness

Regulatory Reporting Modules

Transaction & Breach Monitoring

Rosnium's AWS Partnership Badge.

The Complete Portfolio & Advisor Solution

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

Portfolio Management System (PMS)

Client Portal & Dashboard

Bespoke Reporting Engine

Alternative Asset Management

Rosnium's Microsoft Partnership Badge.

Modular apps built for specific functions, plugged into existing infrastructure. Faster to deploy.

Custom Tiered Billing Engines

Wealth CRM Customisation

Custodian Rebalancing Connectivity

Custom Financial Planning

Rosnium's Service Now Partnership Badge.
Rosnium's Microsoft Partnership Badge.

Connect existing SaaS, ERP, or tools to enhance functionality without full rebuild.

Custodian Data Connectivity

Market Data Integrations

Banking & Back-Office

PSD2 & Open Banking

Rosnium's Microsoft Partnership Badge.

Ongoing maintenance, upgrades, compliance, and lifecycle management for core systems.

Regulatory Change Management

Feature Roadmap Delivery

Legacy System Modernisation

Performance & Security Audits

Rosnium's AWS Partnership Badge.
Rosnium's Service Now Partnership Badge.

Purpose-built regulatory and governance layers embedded into operational systems, aligned to sector-specific requirements.

KYC/AML Onboarding Workflows

Suitability & Appropriateness

Regulatory Reporting Modules

Transaction & Breach Monitoring

Rosnium's AWS Partnership Badge.

The Complete Portfolio & Advisor Solution

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

Portfolio Management System (PMS)

Client Portal & Dashboard

Bespoke Reporting Engine

Alternative Asset Management

Rosnium's AWS Partnership Badge.
Rosnium's Microsoft Partnership Badge.

Modular apps built for specific functions, plugged into existing infrastructure. Faster to deploy.

Custom Tiered Billing Engines

Wealth CRM Customisation

Custodian Rebalancing Connectivity

Custom Financial Planning

Rosnium's Service Now Partnership Badge.
Rosnium's Microsoft Partnership Badge.

Connect existing SaaS, ERP, or tools to enhance functionality without full rebuild.

Custodian Data Connectivity

Market Data Integrations

Banking & Back-Office

PSD2 & Open Banking

Rosnium's Microsoft Partnership Badge.

Ongoing maintenance, upgrades, compliance, and lifecycle management for core systems.

Regulatory Change Management

Feature Roadmap Delivery

Legacy System Modernisation

Performance & Security Audits

Rosnium's AWS Partnership Badge.
Rosnium's Service Now Partnership Badge.

Purpose-built regulatory and governance layers embedded into operational systems, aligned to sector-specific requirements.

KYC/AML Onboarding Workflows

Suitability & Appropriateness

Regulatory Reporting Modules

Transaction & Breach Monitoring

Rosnium's AWS Partnership Badge.
Panaromic view of London skyline.

Featured Regulated Wealth Transformation

Trusted by Regulated Wealth Firms

Rosnium delivered exactly what we wanted with a professional and human approach. Their ability to simplify our sometimes overly complicated requirements was commendable. They have an outstanding work ethic and truly stood out as a great technology partner.

Chief Investment Officer | Vijay Govardhan

Client Logo: RR

Rosnium delivered exactly what we wanted with a professional and human approach. Their ability to simplify our sometimes overly complicated requirements was commendable. They have an outstanding work ethic and truly stood out as a great technology partner.

Chief Investment Officer | Vijay Govardhan

Client Logo: RR

Rosnium delivered exactly what we wanted with a professional and human approach. Their ability to simplify our sometimes overly complicated requirements was commendable. They have an outstanding work ethic and truly stood out as a great technology partner.

Chief Investment Officer | Vijay Govardhan

Client Logo: RR

Rosnium delivered exactly what we wanted with a professional and human approach. Their ability to simplify our sometimes overly complicated requirements was commendable. They have an outstanding work ethic and truly stood out as a great technology partner.

Chief Investment Officer | Vijay Govardhan

Client Logo: RR

How We Engage

Wealth firms engage us at different stages of maturity and transformation, with engagement models designed to align with their specific operational and technical requirements.

For firms operating on existing systems that require targeted improvement or extension. We identify high-friction areas, then build and integrate components that extend or replace specific parts of the existing environment without disrupting stable systems.

For firms requiring complete system replacement or new platform design. Unique investment processes, client structures, compliance requirements, and operational workflows are translated into custom infrastructure fully owned by the firm, independent of third-party platform constraints.

For firms requiring long-term technical ownership beyond delivery. We provide structured maintenance, monitoring, and SLA-backed support to ensure systems remain stable, performant, and adaptable as regulatory, operational, and client requirements evolve.

For firms operating on existing systems that require targeted improvement or extension. We identify high-friction areas, then build and integrate components that extend or replace specific parts of the existing environment without disrupting stable systems.

For firms requiring complete system replacement or new platform design. Unique investment processes, client structures, compliance requirements, and operational workflows are translated into custom infrastructure fully owned by the firm, independent of third-party platform constraints.

For firms requiring long-term technical ownership beyond delivery. We provide structured maintenance, monitoring, and SLA-backed support to ensure systems remain stable, performant, and adaptable as regulatory, operational, and client requirements evolve.

For firms operating on existing systems that require targeted improvement or extension. We identify high-friction areas, then build and integrate components that extend or replace specific parts of the existing environment without disrupting stable systems.

For firms requiring complete system replacement or new platform design. Unique investment processes, client structures, compliance requirements, and operational workflows are translated into custom infrastructure fully owned by the firm, independent of third-party platform constraints.

For firms requiring long-term technical ownership beyond delivery. We provide structured maintenance, monitoring, and SLA-backed support to ensure systems remain stable, performant, and adaptable as regulatory, operational, and client requirements evolve.

For firms operating on existing systems that require targeted improvement or extension. We identify high-friction areas, then build and integrate components that extend or replace specific parts of the existing environment without disrupting stable systems.

For firms requiring complete system replacement or new platform design. Unique investment processes, client structures, compliance requirements, and operational workflows are translated into custom infrastructure fully owned by the firm, independent of third-party platform constraints.

For firms requiring long-term technical ownership beyond delivery. We provide structured maintenance, monitoring, and SLA-backed support to ensure systems remain stable, performant, and adaptable as regulatory, operational, and client requirements evolve.

For firms operating on existing systems that require targeted improvement or extension. We identify high-friction areas, then build and integrate components that extend or replace specific parts of the existing environment without disrupting stable systems.

For firms requiring complete system replacement or new platform design. Unique investment processes, client structures, compliance requirements, and operational workflows are translated into custom infrastructure fully owned by the firm, independent of third-party platform constraints.

For firms requiring long-term technical ownership beyond delivery. We provide structured maintenance, monitoring, and SLA-backed support to ensure systems remain stable, performant, and adaptable as regulatory, operational, and client requirements evolve.

For firms operating on existing systems that require targeted improvement or extension. We identify high-friction areas, then build and integrate components that extend or replace specific parts of the existing environment without disrupting stable systems.

For firms requiring complete system replacement or new platform design. Unique investment processes, client structures, compliance requirements, and operational workflows are translated into custom infrastructure fully owned by the firm, independent of third-party platform constraints.

For firms requiring long-term technical ownership beyond delivery. We provide structured maintenance, monitoring, and SLA-backed support to ensure systems remain stable, performant, and adaptable as regulatory, operational, and client requirements evolve.

Ready to Unify Your Wealth Operations?

Ready to Unify Your Wealth Operations?

Ready to Unify Your Wealth Operations?

Ready to Unify Your Wealth Operations?

Ready to Unify Your Wealth Operations?

Why Wealth Firms Choose Rosnium

Compliance Embedded

We embed compliance workflows directly into operational systems, covering suitability, KYC, AML, transaction monitoring, and audit trails. Systems are designed to support regulatory frameworks such as FCA COBS, MiFID II, AMLD5/6, and GDPR, ensuring traceability across client lifecycle events.

Secure Cloud Infrastructure

We deploy WealthTech platforms on AWS, Azure, and GCP, with a strong focus on AWS for its financial-services maturity and regulatory readiness. As an exclusive AWS partner, we design secure, auditable, and resilient cloud architectures aligned with regulatory expectations.

Security-First Design

We build security into the foundation of every system, covering identity, access control, encryption, and data segregation as core architectural concerns with full audit logging that supports regulatory and internal security review requirements, integrating with standards such as ISO 27001, SOC 2, and NIST frameworks alongside enterprise identity systems like Azure Active Directory, OAuth 2.0, and SAML 2.0.

Strong Workflow UX

We design interfaces for advisers and operations teams that reduce training overhead and minimise manual error through clear information hierarchy, role-appropriate dashboards, and streamlined task flows. Client-facing surfaces are built to consistent design systems that scale as the firm grows, maintaining coherence as new capabilities are added without disrupting established operations.

Ready to Start Your Transformation Programme?

Share a few details through our project form and we will get in touch to discuss your requirements and define the right path forward. Alternatively, you can also email us at hello@rosnium.com

Ready to Start Your Transformation Programme?

Share a few details through our project form and we will get in touch to discuss your requirements and define the right path forward. Alternatively, you can also email us at hello@rosnium.com

Ready to Start Your Transformation Programme?

Share a few details through our project form and we will get in touch to discuss your requirements and define the right path forward. Alternatively, you can also email us at hello@rosnium.com

Ready to Start Your Transformation Programme?

Share a few details through our project form and we will get in touch to discuss your requirements and define the right path forward. Alternatively, you can also email us at hello@rosnium.com

Ready to Start Your Transformation Programme?

Share a few details through our project form and we will get in touch to discuss your requirements and define the right path forward. Alternatively, you can also email us at hello@rosnium.com

Contact Us

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

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Contact Us

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

By clicking "Send Message," you agree to our Privacy Policy and consent to us processing your information to respond to your enquiry.

Contact Us

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

By clicking "Send Message," you agree to our Privacy Policy and consent to us processing your information to respond to your enquiry.

Contact Us

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

By clicking "Send Message," you agree to our Privacy Policy and consent to us processing your information to respond to your enquiry.

Contact Us

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

By clicking "Send Message," you agree to our Privacy Policy and consent to us processing your information to respond to your enquiry.