Services · Application Modernization
The application everyone fears touching is also the one the business runs on. That's why legacy system modernization fails when it's attempted as a big-bang rewrite — and why we never do it that way. Splendor modernizes application portfolios incrementally: the right path per application, working software in production every phase, and the legacy system retired only when its replacement has already proven itself.
The Problem
Every new feature request starts with "well, the old system can't do that."
Two people in the company understand the core application — and one is retiring.
Run costs climb every year while the system does exactly what it did five years ago.
A previous rewrite attempt burned two years and was quietly cancelled.
Auditors and insurers keep asking questions about the platform nobody can patch.
Sound familiar?
What We Do
"Modernize everything" is not a strategy. We assess the portfolio against your business capabilities, score each application on value, cost, debt, and risk, and pick the right move for each: retire, replace with a product, replatform, or re-engineer. Then we deliver — incrementally, to enterprise standards, with the business running the whole time.
Read: Build vs. buy — the modernization decision that decides everything else →
How It Works
Application modernization runs through the same five stages as every Splendor engagement — the Splendor Transformation Framework.
Portfolio assessment: value, run cost, technical debt, and risk per application — mapped to the capabilities they serve.
Modernization path per application, target architecture, data strategy, and a sequence where early wins fund later phases.
Incremental delivery with production releases every phase; measure adoption and run-cost reduction, then repeat across the portfolio.
Outcomes
Licenses retired, infrastructure right-sized, and the maintenance tax on every change eliminated increment by increment.
Changes that took quarters ship in weeks once the brittle core is behind governed APIs and modern pipelines.
Debt tracked as a number leadership can see, trending down on purpose instead of up by neglect.
Where does your portfolio stand today? Take the Application Portfolio Assessment →
FAQ
Incrementally. We use patterns like the strangler fig — routing selected functions to new services while the legacy system keeps running — so the business never depends on a big-bang cutover. Each increment ships to production, is validated with real users, and preserves a rollback path.
The ones where business importance, run cost, and risk intersect. We assess the portfolio against your business capabilities and score each application on value, cost, debt, and risk — producing a sequence, not just a list.
It depends on whether the capability differentiates your business. Commodity capabilities usually deserve a product; differentiating capabilities usually deserve engineering. We make that call application by application, with the cost model on the table.
Modernization is an investment case, not a leap of faith. The assessment quantifies current run cost, risk exposure, and the drag on delivery; the roadmap sequences work so early phases fund later ones through retired licenses, reduced infrastructure, and faster delivery.
Data is planned first, not last. Each increment defines the system of record, migration approach, and validation checks before any traffic moves. Governed APIs around the legacy core keep data consistent while old and new run side by side.
Modernization delivery is part of our Application Modernization & Product Engineering practice.
Ready to move?
Tell us about the system nobody wants to touch — the one holding your roadmap hostage. We'll walk you through what an incremental path out looks like, with the risks priced in.