Application rebuilds
Laravel application rebuilds for legacy and business-critical systems.
Sometimes an aging application is worth upgrading, and sometimes the foundation itself no longer fits the business. When modernization is not enough, we rebuild the system on current Laravel and Vue, in phases, while the old one keeps running, so the transition improves the business rather than interrupting it.
Who this is for
For systems that need more than an upgrade.
A rebuild is the larger, riskier option, so it should not be the first one reached for. It becomes the right call when the problem is the foundation itself, not the state of the code sitting on top of it.
- Modernization has been priced or attempted and the codebase fights every change anyway.
- The architecture assumes things about the business that stopped being true years ago.
- The framework is so old that upgrading it is nearly a rewrite in itself.
- The application works, but no one dares touch it, so it has quietly stopped improving.
- You need the current system to keep running while its replacement is built.
- You want an honest read on whether a rebuild is even the right call before committing to one.
The honest question
Rebuild, or modernize what you have?
This is the decision worth getting right before spending anything, because it is expensive to reverse. A rebuild is not automatically the answer just because a system is old, and we would rather talk you out of one you do not need.
Rebuild
Best when
- The framework or language version is past end of life and upgrading is close to a rewrite anyway.
- The data model no longer matches how the business works, so every feature fights it.
- The architecture cannot support what the business now needs, regardless of code quality.
- Modernization has been tried and each fix uncovers two more.
- The cost of understanding the existing code exceeds the cost of rebuilding the behavior.
Modernize instead
Best when
- The core architecture is sound and the problem is outdated dependencies.
- The code is workable but under-tested, so it feels riskier than it is.
- Only part of the system is troubled and the rest is fine.
- A framework upgrade would genuinely unblock most of the pain.
If modernization is the better path, that is its own service: legacy PHP modernization →
What goes wrong
Why rebuilds earn a bad name.
Rebuilds fail in predictable ways, and almost none of them are about writing code. They are about scope, knowledge, and migration. Knowing the failure modes is most of how you avoid them.
- A rewrite that tried to replace everything at once, and never shipped.
- The rebuild drifted from the original because nobody wrote down what it actually did.
- The new system launched, but the old one’s edge cases were never carried over.
- A big-bang cutover that broke on day one with no way back.
- The rebuild reproduced the original’s worst decisions in a newer framework.
- Two systems ran in parallel for a year because no one planned the migration.
How we work
A rebuild that ships in phases.
Rebuild-or-refactor assessment
Before anything is rebuilt, establish honestly whether it should be. Sometimes the answer is that modernization would serve better, and we will say so.
Capture what it actually does
The behavior worth keeping usually lives in the running system, not the documentation. We map it, including the edge cases the business quietly depends on.
Design the target architecture
Plan the data model, structure, and integrations around how the business works now, not how it worked when the original was written.
Plan the migration path
Decide how the old system and the new one coexist, which parts move first, and how data comes across, before writing feature code.
Rebuild in phases
Replace the system a slice at a time on current Laravel and Vue, with a real test suite, so value ships along the way rather than only at the end.
Migrate data & cut over carefully
Move data in stages, run old and new side by side where it reduces risk, and keep a way back if something surfaces late.
Decommission & support
Retire the old system once the new one has earned it, then keep building on the cleaner foundation.
Technology
A foundation worth rebuilding onto.
The point of a rebuild is to end up somewhere maintainable. We rebuild onto current, well-supported technology with the testing and deployment practices the original was probably missing.
- Laravel
- PHP
- Vue.js
- Inertia.js
- Tailwind CSS
- MySQL / MariaDB
- Automated testing
- Data migration
- REST APIs
- Docker
- CI/CD pipelines
- Laravel Forge
Related services
Explore the rest of what we do.
Common questions
Questions about application rebuilds.
How do you decide between rebuilding and modernizing?
It comes down to whether the existing architecture and data model can still support what the business needs. If they can, modernization, upgrading, refactoring, and adding tests, is usually cheaper and less risky. If the foundation itself no longer fits, or the framework is so old that upgrading approaches a rewrite anyway, a rebuild is the more honest option. We assess that first, and we will recommend modernization when it is the better call, even though it is the smaller project.
Will our current system keep running during the rebuild?
Yes. Business continuity is the point of doing this carefully. We rebuild in phases and plan how the old and new systems coexist, rather than switching everything off and hoping the replacement is ready. The current application keeps running until the new one has genuinely earned the cutover.
Why do rebuilds have a reputation for failing?
Usually because they try to replace everything at once, lose track of what the original actually did, or plan the migration as an afterthought. The behavior a business depends on often lives in the running code rather than any document. We treat capturing that, and phasing the migration, as the core of the work rather than the easy part.
Do you rebuild applications that were not originally in Laravel?
Yes. Many rebuilds start from legacy PHP, a custom in-house framework, or an older framework like CodeIgniter or CakePHP. The target is a maintainable Laravel and Vue application; the starting point can be almost anything, as long as we can understand what it currently does.
What happens after the rebuild is done?
Most clients continue on a support retainer. A freshly rebuilt system is the best possible foundation to keep building on, and keeping the same team that did the rebuild means no one has to relearn the codebase from scratch.
Not sure a rebuild is the right call?
That is the right question to start with. Tell us about the system you are running, and we will give you an honest read on whether it should be rebuilt, modernized, or left alone for now.