Legacy Modernization Services

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Atos helps clients migrate their legacy systems, applications, data, and the underlying technology infrastructure with a host of solutions designed to deliver scalable, agile, cloud-ready applications, infrastructure and data for the Digital Age. Our automation-powered solutions enable the firm to accelerate the pace of modernization for an entire legacy ecosystem, with better quality and reduced risk. Atos has more than 65,000+ person years of Legacy Modernization experience, with an engagement size ranging from 20 to 400 FTEs.

Legacy Modernization for Banking and Financial Services

Atos’s Legacy Modernization services for Banking and financial services are supported by over 15000 experts in the digital banking and payments business, and 20+ accelerators enabling high speed implementation and reduced cost of product platform integration. Atos’s Legacy Modernization for Banking service is driven by deep domain and technical expertise gained through successfully delivering modernization solutions to key players in the industry.

Atos enables banks to design and deploy systems for an open and fluid business environment - efficient, agile and secure - to support continuous change:

  • Build a hyper-agile banking business
    • Assemble new banking models for best in class hyper-agility
    • Modern best of breed banking & payment platform– lending, leasing, saving, investment, e-payment, card & merchant services
  • Enable Banking portal modernization
  • Helping banks keep up with data protection and privacy
  • Platform re-engineering for homegrown applications such as portfolio management, Trade reporting system etc.
  • SaaS solutions in meeting new regulatory challenges like Mifid II, FRTB etc.
  • Enable PSD2/Open Banking Solution by
    • Real time Networked Bank and ecosystems
    • API driven strategy
    • Fintech integration

Assets: Digital Banking Platforms; Payments; Fraud prevention solutions

Proven Experience in Banking and Financial Services

  • Migrated Card Acquisition platform from Mainframe to Pega.
  • Migrated GRC applications and data from Open Pages to Archer. Helped reduce time to market and automated ~200 test cases.
  • Reports migration from Actuate to Jasper. Created a Generic Reporting Framework which could be used across applications.
  • Seamless data migration from the legacy front office systems (Latent Zero, Golden Source, Euro plus etc.) to latest BlackRock Solutions Aladdin system. Migrated over 2500 Funds and ~100K Securities.

Legacy and Data Modernization for Insurance

Insurance legacy systems can no longer keep up with the fast-changing demands of customers, employees, partners, and regulators. We have invested in creating our own IP and 50+ Accelerators, such as our Exit Legacy platform, microservices framework and a dynamic business rules extractor. These solution elements provide accelerated modernization of applications by delivering automated transformation processes. They enable modern product platforms, API-ready architecture and an agile way of working.

Proven Experience in Insurance

  • For a Life and Annuities Insurer – Consolidated and modernized legacy based policy admin systems to modern policy admin platform (9 product lines, 2.36M active policies)
  • For a Fortune 100 Insurer – Re-architected 4000 legacy Assembler based modules into Ab Initio and .Net which processes premium, claims and sales data for 11 regional offices (Canada and US)
  • For Leading Life Insurer - Modernization of Print Policy from mainframe Cobol/Documerge system to Java/Extreme - 100% Functional Accuracy, 80% Automated conversion


  • Managing risk through zero functionality with 100% BRE, No disruption to interfaces with surround services, risk free implementation with phases migration
  • Improve SLAs: Better performance with parallel processing, infinite scalability with cloud, improved agility with micro-services
  • Enhance experience: Productivity gain with Auto ITOps and DevOps, Ease of maintenance with improved code quality, enriched UI
  • Partnerships with leading industry players granting early access to new features, specialized training, SME support, Research labs

Our Accelerators

With a comprehensive suite of tools and accelerators designed to address the challenges of legacy, we provide a set of solution building blocks ready to deploy for your systems and data migration program. They include:

  • Exit Legacy: A platform that hosts powerful solution accelerators that enable legacy infrastructure, software and data modernization. Exit Legacy ensures that your entire ecosystem is modernized, not just application components or data. With Exit Legacy, your transformation becomes faster, risk-free and delivers greater value.
  • Cloud Foundry: A fully managed multi-cloud application platform to build, run and scale next generation applications and microservices.
  • Atom: A Digital Platform offering an intelligent way to develop applications that use embedded automation, artificial Intelligence, IoT, Big Data, Analytics, Microservices, Social Media and modern UX. Atom helps build smart applications using cloud native solution building blocks majorly for digital banking.
  • Liber: A mainframe-class appliance based on the bullion high-density x86 server. This industrial-scale package includes server, storage, OS, PostgreSQL database, Liber TP and Liber batch. Delivered pre-configured and tested, the Liber appliance offers a full range of power options and a scale-in architecture making it the ideal gateway between legacy systems and the Cloud.
  • Data Migration & Masking Toolkit: A toolkit that enables you to securely and efficiently migrate data from heterogeneous data sources, including utilities for data transformation and data masking.

Key Features

Business aligned Transformation Solutions:

Digital Transformation

  • Re-imagined portfolio: Front-office to back-office
  • Retire business process debt
  • Business rules extraction, business process mining
  • Infuse new business capabilities
  • Multi-model execution options – Greenfield, Brownfield, COTS
  • Highly re-usable business services with AI/ML adaption
  • Robust, SMAC enabled future ready business systems

Digital Rearchitecture

  • Decompose Legacy and recompose to target State: Inside Out technology driven transformation
  • Selective business rule extraction, reverse engineering
  • Microservices & cloud native architecture & implementation
  • Accelerated re-architecture using Exit Legacy
  • Business aligned, adaptive target state
  • Modern user interface design studio
  • Portfolio consolidation & retire
  • Hybrid, public & private cloud implementation

MIII – Manage Migrate Modernize

  • Integrated Manage/Migrate/Modernize offering to create new transformation budget
  • Manage – 20-30% application management cost reduction through intelligent IT Ops
  • Migrate – 15-20% infra costs reduction through migration to Atos elastic data center operations
  • Modernize – Creating virtuous cycle of digital transformation, delivering cloud ready, microservice based systems with accelerated time to market

Other Services

  • Consulting, Automated Migration, Reverse Engineering and Business Rule Extraction, Application Lift and Shift, Performance Management, Enterprise Application Integration, Legacy to Package Software Migration, Data Modernization, API’fication, SOA Enablement, Application Decommissioning

Key Benefits

  • An agile, light and cost-effective core banking platform for new entrants/partnerships
  • Improved TCO
  • Improved time-to-market by 2X
  • Achieved up to 40% effort reduction
  • 100% functional accuracy
  • Increased workforce productivity
  • Establishing the security to enable Open Banking
  • Taking advantage through cloudification of true, cost-effective scalability
  • Automation powered modernization journey
  • 2X faster time to market

Product/Service details