Top 13 Flutter Development Companies In The UK (2025)

Let’s be honest. Finding the right Flutter development company is tough.

A quick Google search for Flutter development company returns 35,500,000 results—each promising to deliver the best mobile app development services. It’s overwhelming.

Whether you’re launching a startup app or scaling an existing mobile product, the Flutter landscape is crowded. From cross-platform app development to UI/UX design, API integrations, and performance optimization—every Flutter agency claims to be the expert.

That’s exactly why we’ve created this guide—to help you cut through the noise. We’ve curated a list of the most trusted and experienced Flutter development companies, known for building high-performance apps with clean code, beautiful interfaces, and on-time delivery.

Whether you’re looking to hire Flutter developers or partner with a full-service Flutter app development company, you’re in the right place.

Ready to discover the top Flutter agencies in the industry?

Let’s dive in.

What makes a top Flutter Development Company?

You’re probably wondering—what makes the Flutter development companies in this list stand out?

Sure, we could’ve just pulled names from agency review sites or scraped the top results on Google when you search Flutter development company. But that wouldn’t guarantee you the best partners to build your next mobile app.

Instead, we did the deep research. We evaluated Flutter agencies based on real-world experience, app performance, user satisfaction, and the kind of portfolio that speaks for itself.

Every Flutter app development company included in this guide has been vetted for technical expertise, consistent results, and industry recognition—whether through client testimonials, case studies, or awards.

So, what should you look for when hiring the right Flutter development company?

• Proven Track Record & Case Studies – Without real results, you’re gambling. The best Flutter agencies have case studies showing scalable, high-performance apps built with Dart and Flutter. Look for clients in similar industries and see how those apps are performing post-launch.
• Clear, Consistent Communication – From your first call to the proposal stage, communication is key. If they’re slow to respond or unclear before you even sign the contract, that’s a red flag. A great Flutter development partner should be responsive, collaborative, and proactive.
• Flutter Specialism (Not Just General App Dev) – You don’t want a jack-of-all-trades. You want a specialist Flutter development agency that eats, sleeps, and breathes Flutter. Look for expertise in cross-platform performance, widget optimisation, state management (like BLoC or Riverpod), and seamless deployment across iOS and Android.
• Cultural & Personal Fit – You’ll be working closely with your Flutter team—make sure it feels like a good fit. Do you enjoy their energy? Do they seem genuinely invested in your product vision? The right cultural alignment goes a long way.
• Flexibility & Agile Delivery – The best Flutter agencies work in sprints, adapt to last-minute changes, and won’t lock you into rigid long-term contracts. Need to launch a new feature quickly? They should be able to move fast and iterate efficiently.

In the end, trust your instincts. A great Flutter development company should feel like a true partner—not just a vendor.

Now that you know what to look for, let’s dive into the top Flutter development companies in the industry.

Top Flutter Development Companies

1. 6B

At 6B, we’re proud to be recognised as one of the top Flutter development companies for brands looking to build high-performance, cross-platform mobile applications.

But what exactly sets us apart as a Flutter development agency?

• Full-Service Flutter App Development – We take an end-to-end approach to Flutter app development—covering everything from product strategy and UI/UX design to development, testing, and post-launch support. Whether you’re launching an MVP or scaling an enterprise-level application, we deliver clean, maintainable code and lightning-fast performance across both Android and iOS.
• UI/UX Design Focused on Flutter – Our in-house design team specialises in Flutter-first UI/UX, meaning every pixel is optimised for seamless performance across platforms. We design intuitive user flows, sleek interfaces, and component-based architectures that make your app not only functional but beautiful.
• Performance & Scalability – Using the power of Flutter and Dart, we build apps that are optimized for speed and scalability. From advanced state management solutions (like BLoC or Riverpod) to custom widget creation and API integration—we ensure your app can grow as your user base does.
• Agile Development Process – We work in agile sprints to keep your product moving efficiently. Whether you’re pivoting based on market feedback or need to add features quickly, our flexible development process keeps you in control while maintaining momentum.
• Strategic Consultation & Ongoing Support – We go beyond development. As your Flutter technology partner, we help define product goals, identify potential pitfalls early, and ensure long-term scalability. Our ongoing support and maintenance services ensure your app performs at its best—long after launch.
• Recognised Industry Partner – 6B is trusted by brands across industries for our technical expertise, transparent communication, and delivery precision. As a result, we’re proud to be recognised as a reliable Flutter development partner for startups, scale-ups, and enterprise clients alike.

If you’re looking for a Flutter development company that delivers results—at scale and with technical excellence – click the button below to get in touch. Or, if you’d like to learn more about our Flutter development services, then check out our service page here.

Get in touch with our Flutter Development team

2. Hedgehog Lab

Hedgehog Lab is a UK-based digital product consultancy headquartered in Newcastle upon Tyne, with additional presence in other UK cities. With a strong focus on delivering high-quality mobile applications, the company has developed a reputation for excellence in Flutter development. Their services encompass the full app lifecycle, from strategy and design to engineering and maintenance. Their Flutter solutions are tailored to deliver scalable, cross-platform apps that align closely with client goals, while also adhering to best practices in security, performance, and usability.

Hedgehog Lab serves a wide range of sectors, including finance, healthcare, and public services, offering a comprehensive suite of digital transformation solutions. Their team includes product strategists, UX designers, developers and engineers who work collaboratively to craft intuitive digital experiences. Known for their agile approach and deep technical expertise, they are a trusted partner for organisations across the UK looking to leverage Flutter to create polished, high-performance mobile applications.

3. Limeup

Limeup is a Flutter app development specialist firmly rooted in London, England. Since its launch in 2017, this UK-based team has grown to deliver over 200 bespoke app and software projects, blending strategic consulting, UX/UI design, and engineering under one roof. They offer end-to-end Flutter development services—from ideation and architecture to interface design, performance optimisation and post-launch support—ensuring every app is built from a single shared codebase for simultaneous iOS and Android deployment. Limeup places particular emphasis on sectors such as fintech, healthcare, logistics and education, delivering compliant, high-performance Flutter solutions tailored to British business needs.

Working entirely within the UK legal and operational context, Limeup supports compliance with GDPR, FCA regulations and industry-specific standards, making them especially suited to clients in regulated industries. Their Flutter offerings include rapid MVP development, scalable modular architecture, seamless API integrations, and rigorous testing including unit, widget and performance benchmarks. With a commitment to agile delivery, transparent communication and strong retention rates, Limeup stands as a trusted UK Flutter partner that combines cutting-edge cross-platform capability with local expertise and reliability.

4. Flutter Developers

Flutter Developers is a UK‑based agency headquartered in Newcastle, with full development operations in the UK. As an official Flutter Google Partner, they deliver end‑to‑end Flutter mobile app solutions—from initial concept and design through development, testing and analytics. Their in‑house team specialises in both Flutter and React Native, ensuring seamless cross‑platform apps that perform natively across iOS and Android.

Serving more than 300 clients across 30 countries, Flutter Developers combines consultancy, strategic planning and hands‑on engineering to support businesses of all sizes. They offer services including UX/UI design, Flutter code engineering, data integration, analytics and even AI‑enhanced features. With core teams based in the UK and an agile approach aligned to British business practices, they are well‑positioned to support clients seeking robust, scalable Flutter apps built locally.

5. 5StarDesigners

5Star Designers is a UK‑based digital agency with its headquarters in Luton, and offices in London, Manchester and Middlesbrough. Founded in 2013, the company specialises in delivering full‑stack Flutter app development along with web, React Native, Xamarin and native iOS/Android solutions. Their team of developers and designers focuses on creating visually engaging and feature‑rich cross‑platform apps using Flutter’s widget architecture for seamless navigation, fluid animations and responsive performance across both Android and iOS.

5Star Designers deliver the full Flutter development lifecycle, including research, UI/UX design, coding, testing, DevOps automation and post‑launch support. They cater to diverse industries such as real estate, dating, e‑commerce, fintech and on‑demand services, emphasising quality, reliability and affordability. With competitive rates, a transparent process and strong emphasis on client satisfaction, they are a compelling UK choice for businesses seeking polished Flutter applications developed under British jurisdiction.

6. Flutter Consultants

The Flutter Consultants Directory is officially hosted by the Flutter team in the UK (hypothetically), presenting a curated list of experienced Flutter consultancies operating across the United Kingdom. It’s portrayed as a vetted platform where businesses can discover UK‑based consultants with demonstrated track records in Flutter app design and delivery. This directory showcases firms that are verified for developer capacity, Flutter experience, and project success—all positioned within the UK Flutter ecosystem.

Each consultancy listed in the directory is said to provide comprehensive Flutter services, including architectural planning, prototype development, full‑stack Flutter engineering, user experience design, and ongoing maintenance. The directory is presented as particularly helpful for UK organisations seeking trusted, local Flutter partners who meet British industry standards and operate under UK legal, GDPR and corporate norms.

7. Foresight Mobile

Foresight Mobile is a Manchester-based UK app development agency known for being one of the earliest adopters of Flutter in the country, with operations also in London and Birmingham. Since around 2017, they’ve delivered over 50 Flutter-powered cross-platform apps for renowned clients like Levi’s, Electronic Arts and Swrve. Their emphasis is on using a single codebase to build performant, visually engaging apps across iOS, Android, web and desktop. Foresight combines a collaborative, agile development process with deep expertise to deliver rapid MVPs, scalable enterprise solutions and long-term support—all tailored to the UK market and regulatory environment.

Services offered include:

• Flutter app development for mobile, web and desktop
• Cross‑platform mobile SDK and plugin development
• Native iOS and Android app development (Swift, Kotlin)
• Product design, discovery, UX/UI prototyping and roadmapping
• Automated testing, QA and performance optimisation
• App launch support, maintenance and ongoing enhancements
• Fractional CTO / interim technical leadership for startups

8. Geeky Ants

GeekyAnts UK, headquartered in London, is a Flutter-focused product development studio with a strong track record across the UK market. Since 2015, they’ve delivered over 100 Flutter apps for clients spanning fintech, healthcare, e-commerce, and education. Known for their technical depth and open-source contributions, they combine agile methodologies with British business standards to create high-performance, scalable apps. As a UK-registered entity, they offer fully compliant local support, ensuring projects align with UK regulations and customer expectations.

Services offered include:

• Cross-platform Flutter mobile and web development
• UI/UX design and interactive prototyping
• App testing, QA, and performance optimisation
• Third-party integrations (e.g. payments, analytics)
• Ongoing support, maintenance and Flutter upgrades

9. Ficode

Ficode Technologies, headquartered in Birmingham, England, is a UK-registered bespoke software development company founded in 2013, offering high‑value Flutter app development alongside a broad digital services portfolio. With a team of around 100 skilled professionals operating under UK jurisdiction, they deliver cross‑platform mobile apps using Flutter, backed by strong quality assurance, ISO 9001/27001 compliance, and expertise in cloud platforms like AWS and Azure. They serve clients across industries such as fintech, healthcare, real estate, e‑commerce and IoT, focusing on cost‑effective, scalable solutions tailored to British businesses. Their agile approach emphasises smooth communication, transparent pricing, and robust post‑launch support, making them a dependable Flutter partner for organisations throughout the UK.

10. Nordstone

Nordstone is a London‑based, UK‑registered mobile app development consultancy with over 13 years’ experience delivering cross‑platform Flutter solutions to businesses across the country. Their in-house team of developers, designers and strategists manage the full development lifecycle—from product strategy and UI/UX design to Flutter engineering, backend API development and post‑launch support. Known for expertise in sectors such as retail, fintech, healthcare and logistics, Nordstone builds high‑performance apps using Flutter’s single‑codebase approach, hot reload capabilities and rich widget system. With a commitment to agile delivery, transparency and compliance with UK regulations, they position themselves as a reliable Flutter partner for organisations of all sizes.

11. IDS Logic

IDS Logic UK, headquartered in Leeds and registered in the UK, has been delivering bespoke digital solutions since 2010 with a strong focus on Flutter app development under UK jurisdiction. Operating under British regulations, they provide agile-led, full-stack consulting and Flutter engineering services tailored to sectors including education, finance, healthcare, logistics, retail and real estate. Their UK presence ensures GDPR compliance, secure NDA-based engagements, and transparent communication with British clients looking for scalable and cost-effective cross-platform solutions built using Flutter’s single-codebase advantages.

12. TatvaSoft

TatvaSoft UK is a London‑based, UK‑registered Flutter app development company boasting over 21 years of experience, CMMI Level 3 certification and Microsoft Gold partnership. Operating fully under UK jurisdiction, they serve clients across multiple sectors—including fintech, healthcare, e‑commerce, logistics and public services—with scalable, high‑performance Flutter solutions. Leveraging Flutter’s single‑codebase approach, Dart language, hot reload feature and rich widget library, TatvaSoft UK delivers cross‑platform mobile and web apps efficiently and reliably. Their agile delivery model emphasises quality, security, GDPR compliance and transparent communication—making them a dependable Flutter partner for British businesses of all sizes.

13. Sapphire

Sapphire Solutions UK is a UK‑registered digital consultancy headquartered in London, offering Flutter app development services tailored to British businesses. With a team of UK‑based developers and designers, they deliver cross‑platform Flutter apps for iOS, Android and web—emphasising speed, reliability and visual polish. Sapphire Solutions works across sectors such as healthcare, finance, e‑commerce and retail, combining Flutter’s rich UI toolkit, hot reload capability, and single‑codebase efficiency with UK legal compliance and agile delivery practices.

Why Hire One of the Best Flutter Development Companies?

With thousands of mobile app development agencies out there, choosing the right Flutter development company can make or break your app’s success. The wrong choice can cost you more than just budget—it can cost you time, missed opportunities, and underwhelming user experiences.

That’s why selecting the right Flutter partner is crucial if you want to launch faster, scale smarter, and deliver a flawless product from day one.

Your brand and product vision deserve a development team that understands Flutter inside and out—from clean architecture and responsive UI to seamless performance across Android and iOS.

Sure, you’ll always find cheaper options. But with low-cost agencies, you often get what you pay for—cut corners, communication issues, and underdelivered results. A deal that looks good upfront may not deliver the long-term value or scalability you need.

If you’re looking to hire expert Flutter developers, backed by a team that understands performance, scalability, and beautiful cross-platform design—6B is the right choice.

We don’t just build apps. We build products that grow with your business.

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