Top 13 Mobile App Development Companies In The UK (2025)

Finding the right Mobile App Development company is a challenging task.

When searching on Google for one, over 1,340,000,000 results show up.

It’s overwhelming to sift through all those pages and know which company is actually capable of delivering a high-performing, scalable mobile app—on time and on budget.

That’s exactly why we’ve created this article: to give you a curated list of the best Mobile App Development companies in the UK, all in one place.

Ready? Let’s dive in.

What Makes a Top Mobile App Development Company?

Why have we chosen these specific companies to highlight?

We didn’t just list the ones with the best SEO rankings or the biggest Google Ads budget.

Instead, we carefully selected mobile app companies that meet all the key criteria we believe are essential for delivering a high-quality app—whether you’re a startup launching an MVP or an enterprise scaling your tech.

Here’s what we looked for:

• Proven track record: Anyone can promise results—but top mobile app companies show them. We looked at real case studies and client testimonials to make sure these companies have delivered successful apps in industries ranging from fintech and eCommerce to healthtech and logistics.
• Clear communication: App development is complex, and communication can make or break a project. We focused on companies known for transparency, strong project management, and client collaboration.
• Expert, in-house teams: A great product starts with great people. The best app development companies have expert developers, designers, and strategists in-house—not outsourced or spread thin across multiple time zones.
• Cross-platform & native expertise: Whether you’re building for iOS, Android, or both, it’s crucial to work with a team that has deep technical knowledge in native development (Swift, Kotlin) and cross-platform frameworks (like Flutter or React Native).
• Scalability & long-term support: Building the app is just the beginning. The top mobile app companies also offer post-launch support, feature iterations, and the ability to scale with your business as it grows.

Now that you know what to look for, let’s jump into the top Mobile App Development companies in the UK that can help bring your idea to life.

Top Mobile App Development Companies

1. 6B

Yes, that’s us—and we’re proud to say we’re recognised as one of the leading Mobile App Development companies in the UK!

Not just because of the solutions we build, but also the impact we’ve made for our clients and the long-term partnerships we’ve formed across sectors.

We’ve delivered innovative mobile platforms for businesses of all sizes—whether that’s creating new digital products from scratch, transforming legacy systems, or scaling existing apps with modern infrastructure.

But what do we actually do at 6B?

• Mobile App Strategy: We work closely with you to define goals, user needs, and technical requirements—building a strategy that supports growth and long-term success.
• Native App Development: Custom-built mobile apps for iOS and Android using Swift, Kotlin, and platform-specific frameworks to ensure high performance and seamless user experience.
• Cross-Platform & Hybrid Apps: Using React Native and Progressive Web Apps (PWAs) to develop scalable apps faster and more cost-effectively—without compromising quality.
• UX/UI Design: We prioritise usability and accessibility, designing intuitive interfaces that not only look great but function beautifully across all devices.
• Backend Architecture & Integration: From API development to complex third-party integrations, we ensure your mobile app works perfectly with your existing systems and data sources.
• Ongoing Support & App Maintenance: Our relationship doesn’t end at launch. We provide ongoing updates, security patches, performance monitoring, and feature rollouts to keep your app future-proof.

Want to know some of our results?

• Developed a native iOS and Android app for a leading UK energy provider to support 500k+ users.
• Built a React Native app for a digital health brand, enabling rapid scale-up and secure patient data access.
• Delivered a cross-platform field service app that reduced manual processes by 70%.
• Created a PWA that increased mobile engagement by 60% for a major membership organisation.
• So, if you’re looking to design, build, or scale a mobile app that truly supports your business goals—click the button below to speak with our Mobile App Development team.

Or if you want to learn more about how we deliver mobile app solutions, you can find our service page here.

Get in touch with our Mobile App Development team

2. Pocketworks

Pocketworks is a mobile app development company based in Leeds.

The team specialises in building user-focused mobile apps for purpose-driven brands and startups, offering services such as app strategy, UX/UI design, native iOS and Android development, Flutter cross-platform builds, and long-term mobile optimisation.

They’ve worked with brands like Asda, Veezu, Travelodge, Carbs & Cals, and Wastecare, among many others.

3. Foresight Mobile

Foresight Mobile is a mobile app development company based in Manchester.

They specialise in building high-performance cross-platform apps using Flutter, as well as native iOS and Android. They’ve delivered solutions for brands like Levi Strauss & Co, Electronic Arts, Bodybuilding.com, and Wall Street English. From app strategy and UI/UX design to development, SDKs, and Fractional CTO support, they manage the full process to ensure exceptional results.

4. Nordstone

Nordstone is a mobile and web app development company based in London (with teams working globally).

They offer services such as End-to-End Mobile App Development (native, cross-platform & hybrid), AI & ML App Development, Full-Stack Web App Development, and Ongoing App Support & Iteration.

They’ve worked with brands like CoinCare, Vestr, StraitPay, TapFit, DropStar Technologies, Levi Strauss & Co, Electronic Arts, and Bodybuilding.com, among many others.

5. Hyperlink InfoSystem

Hyperlink InfoSystem, a top-rated mobile app development company based in London, UK, builds high-quality custom mobile and web apps with a global outlook.

They offer services such as iOS & Android native development, Flutter, React Native, IoT & AR/VR apps, backend API development, DevOps, and ongoing app support.

They’ve worked with brands like Tata Power, Astral Pipes, Neighbor Shopper, and OhMyHelp, among many others.

6. Apadmi

Apadmi is an award-winning mobile app development company headquartered in Manchester with additional offices in London, Edinburgh, Amsterdam, Oslo, New York, and Wroclaw .

They offer services such as:

• Mobile Strategy & Technology Consulting
• Native iOS & Android App Development
• Cross-Platform (Flutter, React Native) & Hybrid Apps
• UX/UI Design & Product Optimisation
• SDK Development, Data Science & App Analytics

They’ve worked with brands like Domino’s Pizza, Co‑op, Argos, BBC iPlayer Radio, NHS (TransplantPath & DonorPath), SailGP, and Charles Stanley, among many others

7. Sonin

Sonin is a mobile app development company built for ambitious brands, and they’re based in Reigate, Surrey.

They deliver user-driven digital products for clients like John Frieda, Stella Artois, Veet, The British Museum, and Eli Lilly, and they have experience across iOS, Android, web, IoT, and AR technologies.

8. Tappable

Tappable is a mobile app development company built for ambitious brands, and they’re based in Manchester.

They deliver feature-rich, scalable mobile applications for clients like BBC, Co-op, Marriott, Jaguar Land Rover, and Oppo, and they have experience across native iOS & Android, cross-platform Flutter, backend API development, and ongoing app support.

9. Intelivita

Intelivita is a mobile app development company based in Leeds, with strong roots in the UK.

They offer bespoke native iOS & Android apps, cross‑platform Flutter apps, AR/VR experiences, web development, UI/UX design, and DevOps support—all delivered with a high degree of technical expertise and attention to detail.

They’ve worked with brands like Microsoft, Samsung, BBC Studio, Sky, Google, Oxitec, and CSL, among many others.

10. RipenApps

RipenApps is a mobile app development company built for both startups and established enterprises, and they’re based in Aylesbury with global reach.

They deliver tailored mobile solutions for clients like QuitSure, Stoklo, PlassoPlastic, Auricle, and Recyclobot, and they have experience with native iOS & Android, Flutter, React Native, and emerging technologies such as AR/VR, IoT, and AI integrations.

11. Indiespring

IndieSpring is a mobile app development company based in Manchester.

They focus on rescuing, modernising, and maintaining enterprise-grade, business-facing mobile applications—especially those that have been neglected or built poorly to begin with.

Their expertise spans:

• App Recovery & Refactoring (Springboard framework)
• Native iOS & Android Development
• Cross‑Platform (Xamarin/MAUI & React Native)
• UI/UX Design & Testing
• Dedicated QA, Mobile Assurance & Analytics
• Ongoing Support & Optimisation

They’ve worked with clients like Trak Global, BTC (Bahamas Telecom), VideoPoker.com, More Than, Highways England, and DVLA UK, among many others.

12. Glance

Glance is an award-winning mobile app development company based in London.

They offer end-to-end app development services—including app strategy, psychology-driven UX/UI design, native iOS & Android, backend systems, and app marketing—and have worked with renowned brands like Canon, CHANEL, The Times, Ministry of Defence, Lucozade, CMC Markets, and Universal Music, among many others.

13. Gloversure

Gloversure is a mobile app development company built for SMEs and mid‑sized organisations, with offices in Welshpool and Chester.

They deliver result-focused digital products and web apps for clients like Tipples Mobile Bars, Zip-Clip, and Invisiframe, and they have experience working with Shopify, Magento, WordPress, APIs, and custom mobile app integrations.

Why Hire One of the Best Mobile App Development Companies?

Your business deserves a mobile app that performs.

There’s no reason to waste time and budget on poorly built apps that don’t scale, engage users, or support your growth.

A mobile app development partner that knows what they’re doing will help you get to market faster—with a product that actually delivers value.

That’s where we come in at 6B.

We build high-performance mobile apps that drive growth, engagement, and long-term ROI—backed by a team of expert developers, designers, and strategists who know exactly how to bring your vision to life.

So if you’re interested in working with us, get in touch with us today!

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