Top 13 Flutter Development Companies In The U.S. (2025)

Are you looking for a specialist Flutter development company in the U.S., but finding it hard to choose the right one?

With thousands of software development firms across the country, it can be overwhelming to identify a trusted partner that truly understands Flutter and can help you build scalable, high-performing mobile applications.

In this article, you’ll discover the 13 best Flutter development companies in the United States, each bringing unique strengths to support your project—whether you need a full-scale mobile app, a cross-platform revamp, or ongoing support and maintenance.

Ready? Let’s dive in.

What Makes a Top Flutter Development Company in the US?

Choosing the right Flutter partner is crucial for delivering apps that not only look great but also run smoothly across iOS, Android, web, and even desktop.

A top-tier Flutter company goes beyond writing code—they act as your strategic partner, helping you make architectural decisions, implementing best practices, and ensuring your app performs reliably in production.

Here’s what you should look for:

• Proven Expertise in Flutter & Dart – The best firms have extensive experience with Flutter, as well as supporting tools and integrations such as Firebase, REST/GraphQL APIs, and native plugins. Their developers keep up with Flutter’s rapid evolution to give your project the most modern solutions.
• Beautiful, Consistent UI/UX – Great Flutter development is about more than functionality. Top companies bring strong design skills to create apps that deliver seamless, visually appealing experiences across platforms.
• Cross-Platform Scalability & Performance – Whether you’re a startup building your first app or an enterprise scaling to millions of users, the right partner knows how to architect Flutter apps for efficiency, maintainability, and future growth.
• Collaborative, Transparent Teams – Your Flutter partner should feel like an extension of your business—offering clear communication, agile processes, and full visibility at every stage of development.

With these criteria in mind, let’s explore the leading Flutter development companies in the U.S. that can help bring your vision to life.

Top Flutter Development Companies in the U.S.

1. 6B

At 6B, we deliver expert-level Flutter development services tailored to the unique needs of organizations across the United States. Leveraging our extensive experience in custom software engineering—including full-stack capabilities—we excel in building scalable, maintainable, and user-centered mobile and cross-platform applications powered by Flutter’s robust, widget-based architecture.

Our Flutter development methodology is deeply rooted in agile delivery. We work with sprint-based workflows, automated testing, continuous integration, and DevOps practices to ensure stability, performance, and frequent delivery of working software.

Our Flutter expertise is complemented by our strong full-stack background. With proficiency across front-end and back-end technologies—including Node.js, .NET, Python, Laravel, and more—we create holistic, secure applications that integrate seamlessly with enterprise systems and third-party APIs. This makes 6B an ideal partner for U.S. organizations seeking not only Flutter-powered apps but also end-to-end, tailored solutions that address complex business challenges.

Why Choose 6B for Your Flutter Projects in the U.S.?

• Consistent, Reusable UI Across Platforms – Flutter’s widget model allows for smooth, scalable user interfaces; 6B ensures maintainable, high-quality code for rapid iteration.
• Integrated Full-Stack Delivery – Our in-house back-end expertise enables seamless, end-to-end system design that supports mobile, web, and beyond.
• Agile, Reliable Process – With transparency, adaptability, and fast delivery at the core, we minimize risks while accelerating time to market.
• Code Quality and Long-Term Maintenance – Through clean coding practices, test automation, and DevOps, we deliver apps that are stable, scalable, and future-ready.
• Collaborative Approach – We integrate seamlessly with U.S. IT teams, operating as an extension of your business using tools like Jira, Confluence, Slack, Figma, GitHub, and more.

If you’re looking for a Flutter development company in the US that delivers results – 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.

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2. SolveIt

SolveIt is a full-cycle mobile and web development firm with strong expertise in Flutter app development. Their Flutter services focus on delivering smooth, high-performance applications with a native-like user experience, efficient code scalability, and regular updates that keep pace with the evolving Flutter framework. This specialisation allows them to build reliable, cross-platform apps that support both rapid MVP launches and long-term growth.

In the United States, SolveIt is based in San Francisco, California, giving them a direct presence to work with American clients. This location enables close collaboration within U.S. time zones, ensuring smoother communication and support while they deliver Flutter-based solutions tailored to the needs of businesses in the region.

3. Very Good Ventures

Very Good Ventures is a United-States-based development and consulting firm specialising in Flutter. They build cross-platform apps from a single codebase, help companies adopt Flutter at scale, deliver Flutter training, provide code assessments and advisory services, and are known for maintaining best practices for performance, maintainability and long-term growth.

Their U.S. headquarters is in New York City (405 Lexington Avenue, 9th Floor, New York, NY 10174). They also have additional U.S. offices, such as one in Evanston, Illinois.

4. Zazz

Zazz is a U.S.-based company that offers Flutter app development as one of its core mobile-services. Their Flutter expertise includes custom app design, cross-platform deployment (iOS, Android, wearables, desktops), secure migration of existing apps to Flutter, thorough performance optimisation, and a strong emphasis on UI/UX design that works well across different device types.

Within the United States, Zazz maintains offices in San Francisco, New York (Manhattan), Boston, Seattle, and Dallas, which gives them regional presence and local collaboration potential. Their U.S. teams support clients with end-to-end Flutter projects—from discovery and prototyping through development, testing, deployment, and ongoing maintenance.

5. Code Avenue

Code Avenue is a US-based company providing Flutter app development services, among other mobile, web, and hybrid development solutions. They claim strong proficiency in building custom cross-platform apps for iOS and Android using Flutter, offering end-to-end services including UI/UX design, performance optimisation, app testing (functional, usability, security), deployment, and post-launch maintenance.

In terms of their US presence, Code Avenue has offices in Washington, D.C. and Houston, Texas, enabling them to work with American clients in local time zones. This allows for closer collaboration, quicker feedback loops, and ongoing support after app launch.

6. TekRevol

TekRevol are a US-based tech company with strong Flutter app development capabilities. They offer a full range of Flutter services: app design, cross-platform development (iOS & Android), migration of older apps to Flutter, maintenance and support, performance optimisation aiming for native-like frame rates, and using a single codebase to reduce time-to-market and development cost.

Their US footprint spans several major cities. Their offices include Houston, Texas (4201 Main St, Suite 200) and New York City, NY (510 5th Avenue, 3rd Floor, 10036) among others. These locations allow them to serve clients across multiple American timezones while maintaining hands-on collaboration and support.

7. Kellton

Kellton is a global digital-engineering and consulting company with expertise in Flutter app development, offering full life-cycle services. Their Flutter services include custom app development, migration of existing apps to Flutter, UI/UX strategy & design, integration with APIs and third-party services, performance optimisation, and ongoing maintenance & support. They emphasise using a single codebase to support iOS, Android (and beyond), aiming for apps with native-like performance, expressive UI, speed of delivery, and scalability.

In the United States, Kellton has several offices: notably in Reston, Virginia; Jersey City, New Jersey; and Plano, Texas. These locations allow them to offer close collaboration within U.S. timezones, providing onshore Flutter development, local support, and client engagement for American companies.

8. IIH Global

IIH Global offer comprehensive Flutter app development services. Their expertise spans consulting, UI/UX design, API integrations, migration of existing apps to Flutter, wearable and IoT-compatible apps, AR/AI components, and ongoing maintenance & support.

In the United States, IIH Global maintain an office in Gilbert, Arizona (3739 E Sagebrush St, Gilbert, AZ 85296). This gives them a U.S.-based point of contact for American clients, enabling closer coordination, local support, and faster turnaround.

9. TechAhead

TechAhead is a U.S.-based company that specialises in Flutter app development. They build custom cross-platform apps using a single Flutter codebase, perform migrations of existing apps into Flutter, offer ideation and consultation services, and provide long-term support and maintenance. Their approach emphasises smooth user experience, scalability, high performance, modular architecture, and using Flutter’s tools (widgets, hot reload, etc.) to speed up development cycles.

Their United States headquarters is located in Agoura Hills, California. From this location they serve American clients, offering direct communication, U.S.-based project oversight, and services tailored for the domestic market.

10. ManekTech

ManekTech offers a broad spectrum of Flutter development services in the US, building cross-platform mobile apps for both Android and iOS from a single codebase. Their offerings include UI/UX strategy, quality assurance and testing (unit, widget, integration), support & maintenance, and hiring dedicated Flutter developers for projects. They emphasise clean architecture, responsive and expressive interfaces, and fast turnaround using Flutter’s hot reload, custom widgets, and Google-backed tools.

Their US office is located in San Antonio, Texas (Suite 200, 4100 NW Loop 410). This base lets them work closely with American clients, manage project delivery in US time zones, and provide ongoing local support.

11. MindInventory

MindInventory is a company with strong Flutter app development expertise, offering full-lifecycle services including custom cross-platform mobile apps, Flutter desktop apps, widget customisation, app upgrades, web support, IoT integrations, code audits & optimisation, and consulting. Their teams also work across industries such as healthcare, finance, e-commerce, social media and more, emphasising UI/UX, performance, security and compliance with standards.

In the United States, MindInventory has a U.S. office at 9341 Ellis Way, Strongsville, Ohio 44136. This gives them a local presence to support American clients directly, manage time-zone alignment, and provide ongoing support.

12. Trango Tech

Trango Tech is a US-based full-cycle Flutter app development company. They build cross-platform applications (mobile, desktop, web) using a single codebase, with custom UI/UX design, API integrations, consulting, testing, performance optimisation, and ongoing maintenance. They emphasise delivering apps that perform “near-native”, cost efficiently, including services for MVPs, enterprise-scale apps, and feature-rich projects.

They have multiple U.S. offices including in San Jose, California (Suite 373, 111 North Market Street), San Francisco, California (37th Floor, 415 Mission St), Houston, Texas, New York, NY, Chicago, IL, Austin, TX, among others. This widespread presence supports working in multiple US timezones and offering clients local contact points across the States.

13. Whitehall Technologies

Whitehall Technologies are a U.S.-based development firm specialising in Flutter for mobile app development. They build custom, cross-platform apps with a single codebase using Flutter, offering services like UI/UX design, migration of existing apps, ongoing support, quality assurance, and performance optimisation. Their work emphasises clean design, responsive user interfaces, and efficient delivery.

Their United States presence includes an office in Fort Lauderdale, Florida (501 East Las Olas Blvd, Suite 200 & 300), and they also cite service locations or operations in Washington State, supporting clients across U.S. timezones with local support and communication.

Why Hire One of the Best Flutter Development Companies in the U.S.?

Partnering with a top Flutter development company offers numerous advantages.

These firms bring deep expertise in Flutter and its ecosystem, enabling them to design and build applications that are not only visually stunning but also high-performing and scalable across iOS, Android, web, and desktop—all from a single codebase.

They know when to leverage Flutter’s wide array of packages, plugins, and architectural patterns—and when to keep things lean and efficient—ensuring your product is optimized for performance, maintainability, and long-term growth.

Moreover, working with an experienced Flutter team means gaining a partner who can translate complex business requirements into intuitive, user-friendly applications. The result is seamless, consistent digital experiences that boost customer satisfaction and retention.

The benefits of hiring a leading Flutter company include:

• Faster time to market thanks to a shared codebase and efficient development practices.
• Future-proof applications built on modern, scalable, and maintainable architecture.
• Consistent, high-quality user experience across multiple platforms, driving stronger engagement and loyalty.
• Reduced technical debt, ensuring your apps remain easy to evolve and extend as your business grows.

Are you ready to harness the potential of Flutter for your business? The right U.S.-based Flutter development company can help you design, build, and scale cross-platform applications that fuel growth and deliver real results.

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