Xamarin Migration Consultants

We get stuck Xamarin apps shipping again, then onto .NET MAUI.

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Xamarin App Assessment

We read the repository and the pipeline: framework and SDK versions, custom renderers and effects, third-party controls and NuGets with no maintained successor, native bindings, platform code, test coverage, and the state of build and signing. You get a written migration plan with a sequenced work order, a keep, rewrite or retire call per screen and dependency, and the risks that could stall a release.

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Store-Compliance Release Rescue

When the deadline is closer than the migration: targeted work to get one more compliant build out of the existing app where that is still possible, or the minimum .NET MAUI shell that satisfies current App Store and Google Play SDK and target-API requirements. Build pipeline, provisioning and signing, crash and regression triage, and a submission dry run.

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Xamarin.Forms to .NET MAUI Migration

Incremental migration: project and dependency restructuring, renderers converted to handlers, shared business logic preserved and covered by characterization tests, unmaintained controls replaced, platform code moved forward, and parity verified screen by screen against the production app. Delivered in reviewable slices, so the app stays releasable throughout.

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Post-Migration Maintenance and Release Engineering

Senior capacity after the move: annual OS and SDK upgrades, store policy changes, crash and performance work, dependency hygiene, CI maintenance, and pairing with your in-house .NET team so the app stops being a specialist-only codebase.

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Rescue Before Rewrite

When a store deadline is closer than a migration, the first job is one more compliant release, not a port. We will tell you which of the two you are actually facing, and in which order, before anyone writes a line of code.

Senior US Engineers

Every engineer on an engagement is senior and US-based, working in your repository, your build pipeline and your signing certificates, in your time zones. Engagements run as project work or as staff augmentation alongside your own developers.

Releasable Throughout

The migration lands in reviewable slices, each one ending with an app you could ship. No quarter-long branch that meets production again at the end and discovers what changed in the meantime.

Characterization Tests First

Shared view models and business logic get tests that pin current behaviour before the UI layer is touched. A parity difference then shows up in CI, where it costs an afternoon, rather than in a store review.

We Name What Not to Migrate

Screens, flows and dependencies that should be retired or rewritten are listed in the assessment with the reason next to them. Discovering them in month three is the expensive way to find the same list.

Handed Back, Not Held

Engagements end in documentation and pairing with your own .NET developers. The point is that the app stops being a codebase only a mobile specialist can open, not that you keep calling us.

Tell us what the app does, which Xamarin version it is on, and what is forcing the change: a store rejection, an OS upgrade, or a security review. A senior engineer replies within one business day.
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