Top Flutter App Development Companies in the UK 2025

If there is one thing where startups, scaleups, or enterprises all agree on, “building mobile apps that shouldn’t take forever, or break the bank. “ And that’s where Flutter steps in. 

This Google-powered framework lets you launch sleek, high-performance apps for iOS and Android using a single codebase. No duplication. No delays. Just rapid, cross-platform development that works.

With businesses across the UK moving fast to digitize, the cross-platform excellence of Flutter app development can’t be overlooked. It offers speed, flexibility, and a native-like feel without the heavy cost of building separate apps for each platform. Given those advantages, the search for the top Flutter app development companies has skyrocketed. 

We’ve spent hours researching, comparing, and analyzing dozens of agencies to bring you this curated list of Flutter app development companies in UK. 

But before we get to the names, let’s have a quick overview of why Flutter is such a strong choice and what makes a great Flutter development partner.

Why You Should Choose Flutter for App Development?

You have to go with Flutter for app development because it works on both iOS and Android. 

It’s Google’s open-source framework that helps developers build natively compiled apps from a single codebase. And yes, that means faster launches and lower costs.

But it’s not just about speed. Flutter is widely praised for its high performance, hot reload capability, and customizable UI components.

According to Statista (2024), 46% of global developers now use Flutter, making it the most popular cross-platform mobile framework, ahead of React Native and Xamarin.

Meanwhile, the official Flutter.dev site reports that over 1 million apps have been built using Flutter, thanks to its flexibility and scalability.

Flutter is also backed by a strong global community and maintained by Google, so you are not betting on a tech that might vanish tomorrow. 

But picking the top Flutter app development companies to build your app is just as important as the tech stack you choose. 

Hope that you get an idea of “what is Flutter app development” and its importance. Now, let’s talk about what separates a good Flutter partner from a great one.

What Makes a Great Flutter App Development Company?

Not all development agencies are built the same. If you are investing in Flutter, you want a team that knows more than just the framework—you want experts who understand business goals, user experience, and mobile performance from the ground up.

1. Start with technical expertise. The best Flutter app development UK companies have a deep command of Flutter and Dart. They know how to structure scalable code, integrate APIs, and use widgets smartly for top performance. Clean architecture and reusable components? Non-negotiables.
2. Next up: UI/UX design. A great Flutter partner doesn’t just code! They create interfaces that feel right. From smooth onboarding flows to pixel-perfect design, you want a team that thinks through every user interaction. After all, users don’t care how it is built—they care how it feels.
3. Strong portfolios are another green flag. Real-world case studies show you how they solve problems, manage timelines, and deliver value. Look for variety; different industries, user types, and app styles. It shows adaptability, not just one-size-fits-all development. 
4. Seek a company that values communication and project management, offering regular updates, transparent timelines, and no ghosting. The best Flutter agencies in the UK act as extensions of your team, not distant vendors.

Top Flutter App Development Companies in the UK [2025 Updated List]

Finding a trustworthy Flutter development partner isn’t easy, but we have done the hard work for you. After reviewing portfolios, client feedback, and service offerings, we’ve come up with a list of the top Flutter app development companies delivering real results in 2025.

Each company on this list brings something unique, whether it is a strong technical foundation, creative UI/UX, or flexible engagement models. 

If you’re looking for innovative, reliable partners to turn your app idea into a scalable product, this roundup has you covered.

1. Tekrevol

At Tekrevol, we’re not just another Flutter app development company, the kind that just writes code and hands it off. Nope, we’re your go-to tech partner for building future-ready digital solutions that move the needle.

We’ve rolled up our sleeves and built custom Flutter apps for everyone from scrappy startups to global enterprises and even a few Fortune 500 giants. 

So yeah, we know our way around mobile. Our work? It speaks for itself (but hey, we’re always happy to brag a little if you ask).

Got an MVP in the works? Or maybe you’re looking to scale something you’ve already launched? Either way, our UK-based team is right there with you, walking you through build mobile apps using Flutter so you’re not just along for the ride, you’re part of the process.

We don’t just code, we collaborate, strategize, and deliver results that fuel business growth.

2. Digis

Looking for a reliable Flutter development partner? Go with  Digis.

It follows a flexible and business-savvy approach to Flutter app development, helping companies launch faster without cutting corners on quality. 

Their solutions are crafted with scalability in mind, crucial for businesses planning long-term growth. What sets Digis apart is their ability to adapt to different industries and tailor cross-platform mobile apps that deliver consistently smooth performance. 

If you need a partner that moves fast, listens well, and understands how to align tech with goals, Digis is a smart pick.

• Major Expertise: Flutter development, Team augmentation, 
• Notable Clients: Hubspire, QliqSoft
• Hourly Rate: £35–£70
• Minimum Project Size: £10,000
• Rating on Clutch: 4.9/5

USP: Highly scalable teams and flexible engagement models.

3. LeanCode

LeanCode is a custom Flutter app development company perfect for those looking to turn their ideas into market-ready mobile solutions. 

Their team gets a cross-platform framework inside and out, so your app is not just built quickly but built to grow with you. You get solid architecture from day one.

Even better? Their focus on performance means your app doesn’t just look good; it works flawlessly across iOS, Android, and everything in between.

• Key Services: Flutter app development, custom software, UX strategy
• Well-Known Clients: Danone, Credit Agricole, Shell
• Hourly Rate: £60–£100
• Minimum Project Size: £25,000
• Clutch Rating: 5/5

USP: Strong backend and frontend integration with performance benchmarks.

4. Somnio Software

Somnio Software is another UK agency dedicated to Flutter app development. They are known for building fast, interactive apps that don’t just meet expectations often exceed them in both performance and design.

In fact, custom Flutter development is their specialty, which really sets them apart. From the start, they take time to understand your goals, customizing every aspect of development to match your vision. 

The result? Apps that feel right for your users and your business.

• Key Services: Flutter app development, product discovery, App design
• Notable Clients: Hivency, Kably
• Hourly Charges: £40–£75
• Minimum Project Size: £15,000
• Clutch Rating: 4.9/5

USP: End-to-end Flutter specialists.

5. Empat

Empat is a product studio and custom Flutter app development company that offers MVP launches and scale-ready apps. They excel in creating scalable Flutter apps for industries like healthcare and logistics. 

Their development approach is hands-on and highly client-focused. Every app is tailored to meet specific business needs. That level of attention ensures your app isn’t just functional, but built with your users in mind.

• Key Services: Custom Flutter apps, product validation, UI/UX design
• Notable Clients: Beurer, Caritas
• Hourly Rate: £30–£65
• Minimum Project Size: £10,000
• Clutch Rating: 4.8/5

USP: Fast MVPs with business-driven UX.

6. SolveIt

SolveIt is known for creating high-performance Flutter apps with great usability. Their team works closely with clients, ensuring designs match both business goals and user needs.

Their full range of services covers everything from app development and optimization to post-launch support. 

Whether you’re building an e-commerce app or a logistics platform, SolveIt brings the expertise to help you create a smooth, scalable app that performs across platforms.

• Primary Services: Flutter app development, UI/UX design, QA & maintenance
• Notable Clients: MedTech startups, ecommerce platforms
• Hourly Rate: £35–£70
• Minimum Project Size: £15,000
• Clutch Rating: 4.9/5

USP: Value-focused, scalable mobile architecture.

7. Trango Tech

Trango Tech is a newer but fast-growing Flutter app development UK-based agency. Emphasising quick turnaround times, their team builds cross-platform mobile apps without compromising quality.

Moreover, the agency also specializes in scaling products. So, if you are planning for future growth, Trango Tech is geared to keep your app running strong as demands increase.

• Key Services: Flutter application development, Backend development, product scaling
• Notable Clients: TapIn, food delivery apps
• Hourly Rate: £25–£60
• Minimum Project Size: £8,000
• Clutch Rating: 4.7/5

USP: Speed and affordability for SMEs.

8. Origami Studios

Origami Studios is known for elegant, scalable mobile apps. Their Flutter team works on everything from social platforms to enterprise tools. This makes them a great choice for businesses wanting bespoke Flutter apps to engage their audience.

Another worth mentioning feature of Origami Studio is its MVP development approach. So you can test your ideas, gather feedback, and make refinements, ensuring your product meets real user demand

• Key Services: Flutter development, MVP development, mobile product strategy
• Prominent Clients: SnappCard, MaxSold
• Hourly Rate: £40–£85
• Minimum Project Size: £12,000
• Clutch Rating: 4.8/5

USP: Beautiful interfaces and strong post-launch support.

9. Mallow Technologies Private Limited

Mallow Technologies clients rave about their affordable and efficient Flutter development services. They offer offshore Flutter development with the benefits of understanding the UK market and its specific needs.

Mallow is a great pick for businesses looking to scale fast without breaking the bank. Their team builds quality cross-platform apps that don’t cut corners.

They are especially a good fit for startups. If you are working with a tight budget but still want solid performance and clean code, Mallow delivers is your answer.

• Key Services: Flutter app development, backend integration, QA
• Notable Clients: Healthcare and F&B platforms
• Hourly Rate: £20–£50
• Minimum Project Size: £7,500

• Clutch Rating: 4.7/5

USP: Budget-friendly with quick delivery cycles.

10. eSparkBiz

eSparkBiz is a custom Flutter app development company. It is particularly reliable for businesses that want custom Flutter apps without the hassle. They are known for smooth communication, flexible models, and 24/7 support for UK clients.

With years of experience in cross-platform mobile solutions, they know how to balance performance, design, and business strategy.

What makes them stand out? Their focus on clean architecture and future-ready infrastructure. That means your app is easy to scale and update. Plus, their pricing is clear and they stay responsive, making them a tech partner you can actually count on.

• Key Services: Flutter development, cloud backend, and MVP development
• Notable Clients: SaaS and B2B startups
• Hourly Rate: £25–£55
• Min Project Size: £10,000
• Clutch Rating: 4.9/5

USP: Budget-friendly with quick delivery cycles.

Comparison Table: Top Flutter App Development Companies in the UK

Don’t have enough time to skim through a complete blog? The comparison table below helps you quickly evaluate each mentioned in the blog.

How to Select the Right Flutter Development Partner [Evaluation Criteria]

For a newly started business or a sole proprietor, choosing a Flutter app development company among many options is more than a technical decision. 

But we’ve got your back here, too! We’ve simplified the process with a few practical steps to help you pick the best fit for your business.

1. Start With Clear Business Goals

Before reaching out to potential partners, get clear on what you want your app to achieve. Are you looking to boost customer engagement? Improve operations? Reach new users?

Once you define your goals, it becomes easier to find Flutter app developers in the UK who actually get your vision. Be upfront about your app features, target audience, and expectations. 

A good Flutter development company won’t force a cookie-cutter solution; they will tailor the approach to fit your business.

2. Think About Location and Time Zones

Where your development partner is based can affect how smoothly things run. Sure, outsourcing is common, but working with a Flutter expert in London or Manchester can make communication easier and ensure your app aligns with local user expectations.

Therefore, if you are considering remote teams, just make sure their working hours won’t slow down progress. Flexible Flutter app agencies that collaborate well across time zones can be just as effective.

3. Review Their Portfolio and Client Feedback

A good Flutter app development company will gladly show off its past work. Scan their client portfolio, read testimonials, and go through case studies. So you get a sense of their style, strengths.

Also, don’t hesitate to ask for client references or even a live demo. It is the best way to know if their work truly delivers on what they promise.

4. Ask for a Trial or Consultation

Still not sure if they’re the right fit? Proposed a short trial project or set up a consultation. This way, you get their communication style, work process, and how well they understand your needs.

A trustworthy Flutter development agency will walk you through timelines, project tools, and how feedback is handled. Additionally, if they are transparent, responsive, and collaborative, then congrats! You have found a keeper.

By following these tips, you have all the information required to find a top Flutter app development company that understands your goals. This will set you up to build an impactful app that resonates with your audience.

Major Benefits of Hiring UK-Based Flutter Developers

While considering the top Flutter app development companies, UK-based Flutter developers offer a strategic edge, especially for businesses targeting the UK or EU markets.

Their strong grasp of GDPR and other regional compliance standards ensures your app meets legal requirements from the ground up.

Beyond that, UK-based Flutter app development partners often bring a nuanced understanding of user behavior, making it easier to create apps that truly connect with your audience. 

Combined with time zone compatibility and accessible communication, they offer both technical excellence and operational efficiency.

Flutter Development in the UK: What’s Next  to Expect

Flutter is quickly becoming the go-to choice for cross-platform app development in the UK for good reason. CTOs choose Flutter for mobile app strategy for its speed, performance, and a single codebase that works everywhere.

As per research, Flutter saw a noticeable uptick of around 11% of all new mobile apps used it in 2024, edging out frameworks like React Native at 7%. That shift says a lot about where the industry’s heading.

In the UK, especially, whether it’s tech startups or established enterprises, businesses are turning to mobile app development services that prioritize user experience and cost-effective delivery models. 

Additionally, the United Kingdom also has a strong pool of Flutter developers. They understand local market needs and deliver solid results. As the tech keeps improving, Flutter is expected to play an even bigger role in the country’s mobile app scene.

As Flutter continues to grow, it’s becoming clear that it’s not just a passing trend. With ongoing investments from Google, a passionate community, and strong enterprise adoption, it’s easy to see why Flutter is considered the future of mobile app development. If you’re a UK company looking ahead, Flutter is one to keep an eye on.

How TekRevol Can Help?

At Tekrevol, we’re not just a top Flutter app development company—we’re your tech-savvy, strategy-driven partner ready to help you build apps that actually push your business forward.

Our team? Google-certified pros who live and breathe high-performance, cross-platform apps. Whether it’s iOS, Android, or both (because why not?), we make sure your users get a smooth, seamless experience every time they tap.

From that very first idea to long after your app goes live, we’ve got your back. Our Flutter app development services cover everything—consultation, design, development, testing, launch, and yep, even post-launch support. We’re in it for the long haul.

And here’s the cool part: we’ve already helped 2,000+ clients across 35 industries transform their digital game. 

At the end of the day, we’re not here to just write lines of code. We’re here to collaborate, brainstorm, and help you build something that actually fuels growth. 

Because when you grow, we grow too, and that’s exactly how we like it.