Legacy Systems
Moved Forward Carefully.
We modernize aging applications through staged architecture, interface, data, and deployment changes that preserve essential business behavior.
Explore Software ModernizationPractical Modernization
Path
Assess dependencies, isolate valuable capabilities, and sequence replacements or migrations around operational risk and real release constraints.
System Map
Identify integrations, data ownership, and critical behavior before changing the platform.
Migration Plan
Break modernization into testable increments instead of one disruptive replacement.
Delivery Base
Improve deployment, observability, and maintenance alongside application changes.
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Modernize Legacy Software in Manageable Steps
Map existing dependencies and business rules before deciding what to retain, replace, or move to a cloud architecture.
System assessment
Review legacy functions, data, and system dependencies.
Plan your modernization roadmap →Target architecture
Compare refactoring, replacement, and migration options.
Plan your modernization roadmap →Data migration
Map, validate, and reconcile records during migration.
Plan your modernization roadmap →Phased rollout
Stage releases around testing, handover, and recovery.
Plan your modernization roadmap →Legacy Software Renewal
Move Legacy Workflows Forward in Planned Steps
Understand Software Modernization
Review the functions, integrations, and data your existing software must preserve during modernization.
Plan Software Modernization Workflows
Compare refactoring, replacement, and migration approaches before sequencing changes to the legacy application.
- Retained behavior: Identify the business rules users still depend on in existing software.
- Migration dependencies: Map records and integrations that must move with the application.
- Release boundaries: Define stages that can be tested and handed over independently.
Define how retained behavior, migration dependencies, release boundaries connect to the people and systems responsible for Software Modernization.
Build for Software Modernization
Plan legacy assessment, target architecture, incremental refactoring, data transition, cloud migration, rollout validation as connected parts of the Software Modernization scope.
Legacy assessment
Document current application behavior, dependencies, and operational constraints.
Target architecture
Choose module and environment boundaries suited to the modernization scope.
Incremental refactoring
Plan scoped code changes around functions that need to remain available.
Data transition
Map source records and reconcile them in the destination system.
Cloud migration
Prepare the infrastructure and configuration required by the target environment.
Rollout validation
Check retained workflows and recovery steps during phased release.
Move legacy software through practical stages
Understand the system before changing it
- Review business-critical functions and integrations.
- Identify constraints in the current code and data.
- Agree what needs to remain available.
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Software Renewal
Through Measured Changes
Plan legacy-system improvements around essential behavior, known dependencies and staged migration or replacement work.
Understand the Existing System
Identify business-critical behavior, integration dependencies and data ownership before deciding what to retain or replace.
Sequence the Modernization Work
Break architecture, interface and data changes into increments that can be reviewed against operational requirements.
Support the New Operating Model
Include deployment, diagnostics and maintenance responsibilities in the modernization plan rather than treating them as later additions.
Behavior
Boundaries
Handover
Workflow
Preserve essential behavior while changing the platform.
Baseline
Map legacy behavior and system dependencies.
Boundaries
Isolate the capability being modernized.
Migration
Plan data movement and compatibility checks.
Checks
Compare changes with essential behavior.
Operation
Prepare deployment and support handover.
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How we determine pricing
Your Ad Spend
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Networks and Targeting
Your custom strategy will depend on where you are looking to advertise- Google, Bing, Programmatic, etc. Your WebFX strategist can recommend PPC channels for you based on your business goals!
Creative Needs
If you have an in-house designer, you may not need WebFX’s support with the creation of branded ad creative. However, many of our clients trust WebFX’s design team to create professional, branded display ads for any campaign type.
Included for All PPC Plans:
- In-depth keyword research and advanced selection
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Engineering Insights
Explore our most frequently asked questions to understand our approach to front-end architecture, performance optimization, and scalable design systems.