Launching an app in a new country — language and rules are different

New market, new language, new regulations — without touching core logic.

A localisation layer that handles UI strings, date formats and regional rule sets as first-class concerns.

Talk to us about this See: Custom solutions

Signs this is your problem

You will recognise yourself in at least one of these

You need the app in 2+ languages and adding a new one feels like surgery.
Legal copy, emergency contacts or data-residency rules differ per country.
Date, number and currency formats break in ways nobody noticed during QA.
Marketing wants a new market "next quarter" and engineering pushes back hard.

Why it happens

The root cause, in plain language

Localisation was bolted on after the fact. Strings live in code, regional rules are hard-coded inside controllers, and there is no single place to define "what is different for users in country X".

Our approach

How we actually fix this

1
Extract every user-facing string into a translation catalogue with a single source of truth.
2
Introduce a per-locale ruleset (legal disclaimers, emergency numbers, data-residency, formats) loaded at runtime.
3
Drive backend behaviour off the user's locale, not just the UI — same code path, different config.
4
Add a "new market" checklist so launching country N+1 is a config change, not a sprint.

What you can expect

Outcomes our clients see

Adding a new market becomes a configuration task instead of a code change.
Legal compliance per region is auditable in one place.
Marketing can plan rollouts without a multi-week engineering dependency.

Case study

App expanding to new markets — different languages, different rules

As the product grew beyond its home market, the interface needed to speak the user's language and the app had to comply with local regulations that varied significantly between countries. We built a localisation layer where adding a new market no longer required touching core logic — just a new configuration.

See more of our work →