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Whale Song

Legacy System Modernization

Modernize your core system without stopping the business.

Modernize or replatform your core system in phases, with AI speeding up migration analysis, test generation, and rebuilding missing documentation.

Pricing tailored to your scope

Signs you need this

  • Your core system is holding the business back.
  • "This is how we've always done it" isn't working anymore.
  • The people who understand the old system are the only documentation it has.
  • The business has to keep running while the system changes.

What we deliver

  • Database evaluation up front

    An automated evaluation of your existing database design using eSapiens ThunderScan, so schema and integrity issues surface before migration instead of in the middle of it.

  • AI-accelerated migration analysis

    AI speeds up the analysis of what has to move and how.

  • Generated test coverage

    AI-generated tests that check the new system against the old one.

  • Rebuilt documentation

    Documentation reconstructed for systems that never had it.

Paid monthly throughout the project. AI Run & Optimize is included by default.

A modern core system, delivered in phases, without the mid-migration surprises.

Most modernization work starts with an Enterprise AI Assessment, which reviews your architecture and data before anything moves. See the Enterprise AI Assessment

Proof

Results we've delivered

  • 6 weeks

    Full data remediation in 6 weeks with zero downtime

    Real estate

  • 35%

    35% faster fulfillment and 22% more throughput, identified in our analysis and solution design

    Manufacturing

  • ERP data gaps caught before build, avoiding rework in both the app and the ERP

    Industrial distribution

How it works

Typically six months or more, paid monthly over the life of the project.

6+ months

  1. Step 1: Evaluate

    Assess your current database design and architecture.

  2. Step 2: Plan

    Lay out a phased path so the business keeps running.

  3. Step 3: Modernize

    Migrate and rebuild in phases, with AI-generated tests.

  4. Step 4: Run

    Keep it accurate with AI Run & Optimize.

See how we work

Pricing tailored to your scope

Every business is different, so we price this work to your scope. Find your starting point or book an intro call, and we'll give you a clear, fixed proposal.

Frequently asked questions

How long does a legacy modernization take?

Typically six months or more, depending on the system. We deliver in phases so the business keeps running while it changes.

What does it cost?

It's priced to your scope in a fixed proposal before work starts, and paid monthly over the life of the project.

Where does AI help?

AI speeds up migration analysis, generates tests that check the new system against the old one, and rebuilds missing documentation.

Ready to get your team's time back?

In 30 minutes, we'll map where your time and money are leaking, and you'll leave with at least one idea you can act on, whether or not we work together.