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O2SOFT
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Mobile app development ยท London

Mobile app development company in London.

We help business owners build a 1:1 relationship with their customers, vendors and employees through mobile solutions. Stay connected from anywhere, all the time.

TRUSTED BY
200+ BUSINESSES

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Clutch Top app development company

Understand, assimilate, heal: our approach.

Mobile apps are usually built to make a business process easier or to solve a business problem. We build apps that quickly improve sales, help employees follow the corporate plan, transform business operations and tackle real challenges.

01

Discover

A SWOT analysis lets us see your business model from your perspective, so we can propose a mobile app that precisely matches your product vision and business goals.

02

Design

We visualise your app long before writing a line of code. You can change anything early, which saves significant cost on rework, and the team knows exactly what to build.

03

Consultation

Based on discovery, design, budget and timeline, we help you choose native iOS and Android or cross-platform, and show where trimming the feature set can cut costs.

04

Code

With a clear picture of your needs, technology, budget and timeline, we build quickly and aim for a flawless first impression. Building on earlier phases is how we reduce project risk.

05

Test and optimise

Our QA team helps developers fix issues and optimise the front end and back end, working through 400 to 1,270 predefined test touchpoints.

06

Manage

Our DevOps team advises on deployment options that balance efficiency and performance, with usage, access, security and scale guiding every decision.

O2SOFT one-day workshop
Free one-day workshop

Looking for a place to start?

Then our free one-day workshop is an excellent opportunity. The apps you use every day started as ideas nurtured into an MVP by companies like O2SOFT.

What technology mix won't break my MVP budget? Do I need all these features? What does my audience really want, and what are my competitors doing? This one-day session is designed to answer these questions and more.

Featured work

WorkTime

Paperless work-shift management system

Read the case study
WorkTime: Paperless work-shift management system

Ways to work with us.

Pick the engagement model that fits how certain your scope is and how fast you need to move. We will recommend one on the first call.

Our mobile tech stack.

As a leading mobile app development company in London, we use dependable, well-supported technologies, the same ones behind apps from Facebook, Instagram, Tesla, Airbnb and Uber Eats.

iOS app development

Swift
React Native
XCTests
Xcode

Android app development

Kotlin
Java
React Native
Android Studio

Mobile backend development

Rails
Node.js
Firebase

Databases

MySql
Mongo DB
PostgreSql

Deployment

AWS
Google Cloud
Azure
Digital Ocean
OnPrem

Don't take our word for it.

★★★★★
5.0 rating from verified Clutch reviews
★★★★★

They truly went above and beyond everything that we asked of them. In many ways it felt like they had become members of the team as they worked with us through a rigorous testing process to ensure that the app worked seamlessly.

AF
Avery Faller
Co-founder & CTO, Roammeo
★★★★★

I cannot recommend O2SOFT enough. They have been fantastic to work with, reliable and very knowledgeable about the whole app building and submission process.

AT
Amelia Trumble
Founder & CEO, GoWhereTheyGo
★★★★★

A job well done. They are true professionals, quick to understand what is needed, think ahead, ask the right questions, respond quickly, and will do what it takes to ensure client satisfaction.

TT
Thorsten Trotzenberg
Founding Partner, 3Gen Inc.
★★★★★

A great team to work with. Very flexible and understanding. They always made themselves available and provided great ideas in solving the many problems we encountered during the course of the project. Highly recommended!

OF
Oladeji Famakinwa
Project Manager, Shoppi.ng
$10M
Revenue earned by client products
200+
Web & mobile products shipped
1M+
People using our builds every day

Have a product in mind?
Let's build it.

Whether you are starting from an idea or rescuing something already in flight, the first conversation is free and useful either way.

ISO 27001 Certified
AWS Partner
Google Reviews 4.9 ★ Rating
No sales sequence. One reply from the person who would scope the work.