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title: "Legacy & Application Modernization | Craft Digital"
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[![Craft Digital](/__l5e/assets-v1/bc7a6fac-7a94-4caa-a751-a7e463885a50/craft-logo-full-color.svg) ](/)

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00 // Custom Development

# Legacy and application modernization _for systems the business still runs on._

Most modernization work starts the same way: software that was right ten years ago is now the reason nothing else can move. It still holds the data, still runs the process, and still can't talk to anything built since.

The honest answer is that not every legacy system needs replacing. Some need to be wrapped, connected, and given a modern interface. Some need the data model rebuilt underneath them. And some need to be retired, carefully, while the business keeps operating.

01 // How we do it

## We modernize in place where we can and replace where we must.

Either way, it's built in your environment — your repositories, your databases, your accounts — and shipped in phases, priority system first, so the operation never waits on a big-bang cutover.

Before we build, we agree on the baseline — the number that has to move. Then we measure against it.

-   Assessment of what stays, what gets wrapped, and what gets rebuilt 
-   Data model and integration layer rebuilt underneath the existing process 
-   Modern interfaces over systems of record that aren't going anywhere 
-   Phased migration with the old and new running side by side 
-   The knowledge of long-tenured staff encoded into the system, not left in their heads 
-   Run and improved after launch by the same team that built it 

02 // Proof

A manufacturer that had scaled from $40M to $100M was running quoting, order intake, and production visibility across systems that didn't talk. Those systems are being rebuilt as one connected platform — designed so roughly 95% of inbound never needs a person.

[Read the story →](/work)

03 // Where this goes

[

### Custom Development

Purpose-built software for how your company actually operates — and the modernization work underneath it.

Custom Development ](/custom-development)[

### Getting Started

Every engagement begins with discovery — for complex operations, two to three days inside the business and a plan that's yours either way.

Getting Started ](/getting-started)

Book a conversation

Thirty minutes, no pitch deck. You'll speak directly with a founder who understands the work.

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We build AI software that replaces spreadsheets,  
disconnected systems, and manual work.

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