Mobile App Development for UK Startups and SMBs

MicroPyramid is a 14-year-old senior-led engineering team that ships mobile apps for UK startups and SMBs. We build native iOS and Android, cross-platform Flutter and React Native, and the backends that power them — with live overlap during UK working hours, GBP billing via Stripe or GoCardless, and UK GDPR-aware delivery from the start.

Shipping an app to UK users is demanding: ICO obligations, App Store and Play Store privacy declarations, data residency expectations from enterprise buyers, and investors who expect genuine technical rigour. We have worked directly with UK teams — including Bough Digital — and understand what it takes to ship apps UK users and buyers will trust.

iOS, Android, and cross-platform
UK GDPR-aware from day one
GBP billing, UK hours overlap
14+
Years Experience
Building mobile and full-stack products since 2010
50+
Products Delivered
For startups and SMBs across UK, US, and beyond
iOS + Android
Capability
Native and cross-platform in one engagement
Senior
Led
Senior ownership — never delegated to juniors

Why UK Teams Work With Us

Four reasons UK founders and product teams choose MicroPyramid for mobile over a local agency or a generic offshore team

Morning Standups During UK Hours

We maintain approximately 4.5 hours of daily overlap with UK working hours. Your team gets live standups, same-day decisions, and pull-request reviews before your afternoon — not responses you wake up to the next morning.

UK GDPR & ICO-Aware Delivery

We understand the UK GDPR and the Data Protection Act 2018 (regulator: the ICO). App permissions, analytics, App Store and Play Store privacy declarations, and data storage are all decided with ICO compliance in mind. AWS eu-west-2 (London) available for UK data residency.

GBP Billing via Stripe or GoCardless

Invoices in GBP, collected via Stripe or GoCardless Direct Debit. No currency conversion headaches, no wire-transfer friction. Billing that fits how UK businesses actually operate.

Senior Ownership, Not a Ticket Mill

Founders and senior engineers directly own every engagement. You will not be passed to a delivery layer of junior developers. The person you talk to in discovery is the person building your app.

Mobile App Services for UK Teams

Six services covering the full range of mobile delivery — from UK-focused MVPs to native, cross-platform, and the backends behind them

Native iOS Development

High-performance iPhone and iPad apps built with Swift and SwiftUI. We handle App Store submission, Apple privacy nutrition labels, and the App Tracking Transparency expectations UK users now take for granted.

  • Swift and SwiftUI
  • App Store submission and review support
  • Apple Pay and Sign in with Apple

Native Android Development

Robust Android apps in Kotlin with Jetpack Compose, tested across the device mix UK users actually carry. Google Play Data Safety declarations and Play Store policy compliance handled end-to-end.

  • Kotlin and Jetpack Compose
  • Google Play Data Safety compliance
  • Material Design 3

Cross-Platform with Flutter & React Native

One codebase, both stores — the cost-effective route for UK startups validating an idea or shipping to iOS and Android together. We pick Flutter or React Native based on your roadmap, not our habits.

  • Flutter and Dart
  • React Native and TypeScript
  • Single shared codebase

Mobile MVP Development

Ship a tightly scoped first app rather than overbuilding — solid foundations from day one. Ideal for UK founders running pilots, raising a round, or applying for Innovate UK grant funding.

  • Scope mapped to the real problem
  • Store-ready launchable slice
  • Clear deliverables and timeline

App Modernisation & Retainers

Improve an app already live with paying UK users — performance fixes, UX polish, OS-version upkeep, and feature expansion without destabilising what already works.

  • Legacy app migration
  • Performance and crash-rate fixes
  • Ongoing iteration alongside your team

Mobile Backends & API Integration

The backend that powers your app — APIs, auth, push, and real-time sync — hosted on AWS eu-west-2 (London) when UK data residency matters to your buyers or regulator.

  • REST and GraphQL APIs
  • Push notifications and offline sync
  • AWS eu-west-2 (London) hosting

UK Teams We Work Best With

If any of these situations match where your UK team is right now, we should talk

UK Startups Launching an App

You have validated demand and need a store-ready iOS and Android app shipped fast — without the overhead and cost of a full London mobile hire.

UK SaaS Adding a Mobile Channel

Your fintech, proptech, or SaaS platform needs a companion app or mobile-first experience that talks cleanly to the backend you already run.

Founders Building UK-Focused Apps

You need an MVP built with senior technical judgment — aware of UK GDPR, ICO obligations, and the App Store and Play Store privacy rules that apply to UK users.

Agencies With Complex App Briefs

UK digital agencies committed to app delivery for clients need a reliable engineering partner to own the build end-to-end — Bough Digital is a real example of this.

Teams Adding AI to a Mobile App

You want on-device or backend AI — chat, search, recommendations, smart capture — built into your app so it is genuinely useful, not a badge on the listing.

Teams With Limited Mobile Bandwidth

Your in-house engineers are at capacity or web-focused. You need a senior mobile partner with morning standups during UK working hours — not a ticket-mill to manage.

Best Fit For

  • UK startups and SMBs shipping iOS, Android, or cross-platform apps to real users
  • teams that need the app and its backend delivered together by one accountable partner
  • mobile MVPs and feature sprints where UK GDPR-aware architecture matters from day one
  • products that need a senior external partner to own execution — not just a list of tickets

Not the Right Fit When

  • simple brochure apps with no product complexity or backend behind them
  • engagements looking only for staff augmentation without delivery ownership
  • one-off store listings or template wrappers with no real engineering
  • teams adding AI as a slogan rather than a concrete feature inside the app

If you need a broader web product alongside the app, see Product Engineering for UK Teams.

Public proof for UK teams: Bough Digital is a UK client we built agency platform tooling for, and Refactored.ai shows complex AI-assisted product delivery.

How a UK App Engagement Starts

Every engagement starts by clarifying the real app problem and the right platforms — scope and context before any implementation

1

Clarify the App Problem

We define the real user or business problem — and which platforms genuinely matter — before any implementation begins.

2

Scope the Right Version

We prefer shipping a focused first app over an oversized plan — the smallest valuable version, native or cross-platform.

3

Build App & Backend Together

We handle the mobile app and the backend that powers it, so delivery is never fragmented across separate contractors.

4

Ship to the Stores, Then Iterate

App Store and Play Store submission, monitoring, and ongoing improvement so the app stays useful for your UK users.

UK Fintech Apps
Proptech and Health
SaaS Companion Apps
MVPs and New Apps
Technology Stack

Stack Used for UK App Delivery

Native, cross-platform, and AWS eu-west-2 (London) backends for UK data residency

iOS

Swift
SwiftUI
Xcode
App Store Connect

Android

Kotlin
Jetpack Compose
Android Studio
Google Play Console

Cross-Platform

Flutter
React Native
Dart
TypeScript

Backend and Cloud

Django / FastAPI
PostgreSQL
AWS eu-west-2 (London)
Firebase / GraphQL

How to Get Started as a UK Team

We recommend starting with an App Discovery Sprint — clarify the app, platforms, and delivery plan before committing to a full build. All engagements billed in GBP.

Recommended Start

App Discovery Sprint

Clarify the app, platforms, architecture, and delivery plan before committing to a full build. Priced in GBP, delivered with daily async updates.

  • App problem clarification
  • Platform and architecture choice
  • Store and compliance roadmap
  • App + backend planning
Start Discovery

Mobile MVP Sprint

Ship a focused first app with foundations genuinely ready to iterate on — store-ready, not a prototype you will throw away.

  • Store-ready launchable app
  • App and backend foundations
  • Clear deliverables and timeline
Book MVP Sprint

Feature Delivery Sprint

Implement one meaningful app improvement end-to-end, from design to the stores, with live standups aligned to UK working hours.

  • One meaningful app improvement
  • End-to-end implementation
  • Retainer or time-and-material
Start a Sprint

Ship Your Next App for the UK Market

If you need a senior-led mobile team with UK working-hours overlap, GBP billing, and UK GDPR-aware delivery — we are ready to talk. No junior handoffs, no ticket mills. Just focused app development for UK teams.

Free consultation
GBP billing via Stripe or GoCardless
Response within 24 hours