Partner with top Flutter development companies in the United States to turn your project vision into high-performing, user-friendly, and scalable apps.

Best United States Flutter Development Companies

7 Companies - Rankings updated: September 03, 2026

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

United States × Flutter Development × Boutique × $25,000 - $50,000 × Clear Filters
  • Product Design & Engineering for Banks, Fintechs, and Enterprise Platforms

    Alty is a 4x Red Dot-winning product design and engineering partner for fintech and banking, with clients including Monobank, Raiffeisen, and Halyk Bank. Its work reaches 60M+ users across 40+ markets. The agency is best for banks and fintech companies needing strategy-led product development...

    Top Services:

    • Mobile App Development
    • Design Services
    • Software Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Dover, Delaware
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    22 Projects Listed

    Alty Services

    • Mobile App Development
    • Design Services
    • Software Development
    • Web Design
    • UI/UX Design
    • Web Development
    • AI Development
    • Software Testing
    • Market Research
    • Product Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • VISA
    • Mastercard
    • Raiffeisen
    • Monobank
    • GTBank
    • PrivatBank
    • ABA Bank
    • CBH Bank
    • Renovite
    • Corezoid
    Data sourced from the agency's DesignRush profile

    Alty Reviews & Testimonials

    • Ewa Koltunczyk (Karabon)
      Ewa Koltunczyk (Karabon) Regulatory Specialist II at CID LINES, An Ecolab Company
      5.0

      Mobile App Development Review from Ewa Koltunczyk (Karabon)

      I recently had the pleasure of working with Alty to develop our mobile app. We needed a developer who was able to translate my vision and provide technical guidance. The experience has been nothing short of outstanding. From the initial consultation to the final product, Alty's professionalism, expertise, and dedication have exceeded my expectations. Alty has demonstrated a deep understanding of mobile app development and was willing to go the extra mile. Their ability to translate my ideas into a seamless, user-friendly, and visually appealing app is truly impressive

    • Adam Kubas
      Adam Kubas Director at Institute of Physical Chemistry PAS
      5.0

      Mobile App Development Review from Adam Kubas

      Alty did excellent work for our department. The team prepared a high-quality and easy-to-understand development roadmap for Virtual Academy of Bioinformatics. Their positive attitude and willingness to learn made them a pleasure to work with. Overall, I highly recommend Alty for any development role. They have the skills, dedication, and professionalism to excel. Thank you for developing our app.

    • Rajesh Kasturirangan
      Rajesh Kasturirangan Founder at Socratus
      5.0

      Web Development Review from Rajesh Kasturirangan

      The team at Alty is indeed filled with tech engineers and assiduous individuals with excellent software development skills! The end product work had minimal bugs. Alty has exceptional communication skills, identifies top talent, and goes above and beyond to ensure a smooth development.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Startup App Experts

    SEM Nexus is an award-winning startup app agency focused on building and marketing startup mobile apps. We live, breathe, and dream startups. They are our life, our passion. Let us help you make your dream into a reality...

    Top Services:

    • Mobile App Development
    • Digital Marketing
    • Social Media Marketing
    • Advertising
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed

    SEM Nexus Services

    • Mobile App Development
    • Digital Marketing
    • Social Media Marketing
    • Advertising
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Know Wake
    • Assassins
    • Nautical Eye
    • YogiGoFitness
    • WinQuik
    Data sourced from the agency's DesignRush profile

    SEM Nexus Reviews & Testimonials

    • Anonymous CEO at Cell My Listing
      5.0

      App Marketing Review from Anonymous

      SEM Nexus built a mobile app for our real estate platform, handling a complex API and other technical elements while also marketing the app. They always deliver what’s promised and maintain strong communication. The team is helpful, honest, and quick to respond, always willing to answer questions and go the extra mile.

    • Marilyn Major
      Marilyn Major CEO at FYSH
      5.0

      Digital Marketing Review from Marilyn Major

      The app is now live on Google Play and App Store and reached 8,450 downloads and 5,621 accounts created. Overall, [we are] satisfied with these success metrics thanks to SEM Nexus. The team manages the engagement well through regular meetings. They're always available, courteous, and honest. (Verified via email)

    • Anonymous
      Anonymous Founder at Truck'n
      5.0

      Mobile App Development Review from Anonymous

      The app is easy to navigate and designed for users. We’re very pleased with SEM Nexus’ work, which has exceeded expectations. They manage the partnership well, remain polite and professional, and take full ownership of the project’s success.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Certified E-Commerce Development Company

    Certified E-Commerce Development Company...

    Top Services:

    • eCommerce Development
    • Web Development
    • IT Services
    • Web Design
    • Mobile App Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    16 Projects Listed

    Dinarys Services

    • eCommerce Development
    • Web Development
    • IT Services
    • Web Design
    • Mobile App Development
    • Staff Augmentation
    • Digital Strategy
    • Digital Services
    • Software Development
    • IoT
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Aroma Kava
    • LastBid
    • Budu Sushi
    • Magento 2 Migration
    • Rite Space
    • Bookbreakrs
    • Can
    • Vivat
    • Udifo
    • ServisBook
    Data sourced from the agency's DesignRush profile

    Dinarys Reviews & Testimonials

    • André Schörnig
      André Schörnig Marketing-Manager at myfelt GMBH
      5.0

      eCommerce Development Review from André Schörnig

      We have been working with Dinarys on our Shopify store for quite some time, and the experience has been great. From the very beginning, communication was clear, efficient, and reliable. The Dinarys team consistently delivered detailed proposals, stuck to agreed timelines, and offered well-structured solutions tailored to our needs. Their technical expertise is impressive, but what really sets them apart is their proactive attitude and genuine commitment to our project. Whenever we had questions or changes, they responded quickly and constructively. Its a true pleasure to work with a partner who feels like an extension of our own team. Highly recommended!

    • Nissrine Kohen
      Nissrine Kohen Sr. Backend Shopware Developers at H1 Webdevelopment
      4.5

      Web Development Review from Nissrine Kohen

      Weve been working with Dinarys for quite some time now, mainly collaborating on Magento and Shopware development projects. Their developers consistently show solid technical expertise and a good understanding of our expectations and workflow. Communication is generally smooth, and response times are quick. Whenever issues arise, the team is open to feedback and acts quickly to improve. Over time, weve seen a positive evolution in their proactiveness and alignment with our teams way of working. They are flexible and collaborative, and its clear that they genuinely aim to build long-term partnerships. For the quality delivered, we feel the pricing is fair and transparent. All in all, weve been satisfied with our cooperation and would recommend Dinarys as a development partner, especially for companies looking for experienced backend developers in Magento and Shopware.

    • Andrew White
      Andrew White Review from Google
      5.0

      Andrew White's Review Sourced from Google

      I'm wasn't in the German office, but i had experience of communication with this company! I can say that it leaves the warmest feelings in the my heart! Guys you are the best!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • A disruptive development company.

    Providing Chatbot, Development, and website/app solutions. If you can dream it, we can build it. Intelligent apps require brilliant design and intuitive product strategy. We analyze and design every aspect of your project to ensure that its engaging, stylish, and easy to use...

    Top Services:

    • Mobile App Development
    • AI Development
    • Wearables
    • Web Design
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $140/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    11 Projects Listed

    Dogtown Media Services

    • Mobile App Development
    • AI Development
    • Wearables
    • Web Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Google
    • Red Bull
    • Lexus
    • United Nations
    • CitiBank
    • YouTube
    • Minneapolis Heart Institute
    • Macy's
    • University of Oklahoma
    • Udemy
    Data sourced from the agency's DesignRush profile

    Dogtown Media Reviews & Testimonials

    • Michael Paskow
      Michael Paskow Director of Scientific Affairs and Research at National Sleep Foundation
      5.0

      Web App Review from Michael Paskow

      Dogtown media helped to develop a new cross-platform app and web portal for a sleep health study involving insomniacs for the National Sleep Foundation. The team was reliable and developed an excellent experience for end-users. It has been a great experience working with DTM. The team is reliable and communicative. They come up with creative solutions and are always available for any and all maintenance issues that arise. Although I am not well-versed in pricing for app development, I do feel that the pricing may have been a little too steep. That said, the work they have produced is excellent, and I'm very happy I got to work with the team at DTM.

    • John Shammas
      John Shammas Chief Product Officer at DriveWealth
      5.0

      Call Centers Review from John Shammas

      We've really enjoyed the time spent with Dogtown and their support in our product initiatives. They have always been readily available to talk through design ideas, technical challenges, or feature improvements. Communication has always been solid, with a reliable stream of beta builds (delivered to our own devices to test out) and detailed patch notes. We look forward to working with Dogtown on more projects in the future!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Build Your Intelligent Enterprise Business Applications

    Fingent is a global custom software development company helping businesses turn their digital ambitions into reality. With over 20 years of experience, we specialize in building scalable, secure, and innovative technology solutions that drive operational excellence and business growth...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Cloud Consulting
    • IT Services
    • Show more
    Location
    White Plains, New York
    Number of Employees
    500 - 999
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed

    Fingent Services

    • Software Development
    • Mobile App Development
    • AI Development
    • Cloud Consulting
    • IT Services
    • VR/AR
    • Big Data Analytics
    • IoT
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Apollo Tyres
    • BBC Media Action
    • Royal Enfield
    • Raymond
    • Johnson &Johnson
    • Sony
    • NEC
    • Casenet
    • Premier Jets
    • SRV Canada
    Data sourced from the agency's DesignRush profile

    Fingent Reviews & Testimonials

    • Undisclosed
      Undisclosed Owner at Consumer company
      4.3

      Web Design Review from Undisclosed

      I hired Fingent to create a web-based application for my website's visitors. They communicated their strategy effectively and adhered to our agreement. The pricing was notably low compared to other quotes I received. Ultimately, the project was a huge success, and they continued to provide support even after delivery. (Source: 3rd Party Review Platform)

    • Alex Burkhead
      Alex Burkhead VP of Product at Findlay International
      5.0

      Software Development Review from Alex Burkhead

      Fingent brought both attention and creativity to our project. They polished our storyboard and developed the tool we needed. Very responsive and very talented.

    • Abraham Isaac
      Abraham Isaac VP- Sales & Marketing at KOGLAND Commerce Pvt Ltd
      4.2

      Software Development Review from Abraham Isaac

      Though we faced a few glitches initially, the process is now smooth and running well. The effort taken by the management is quite appreciable and now we have an eCommerce site which is getting better by the day and also the number of trnxs have also gone up significantly. It gives us grt pleasure to be working with Fingent and we look forward to completing this project at the earliest.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Accelone Advancing What's Possible

    Embark on your digital transformation journey with AccelOne's Software Development delivery model, strategically designed for optimal outcomes. Initiate your digital transformation seamlessly through our comprehensive nearshore and US-based services...

    Top Services:

    • Software Development
    • Mobile App Development
    • Blockchain
    • UI/UX Design
    • eCommerce Development
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    100 - 249
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed

    AccelOne Services

    • Software Development
    • Mobile App Development
    • Blockchain
    • UI/UX Design
    • eCommerce Development
    • Web Development
    • AI Development
    • Staff Augmentation
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • HSBC
    • Xapo
    • University of Washington
    • Pan American Energy SL
    • Cartoon Network
    Data sourced from the agency's DesignRush profile

    AccelOne Reviews & Testimonials

    • Gustavo Lemos
      Gustavo Lemos Review from Google
      5.0

      Gustavo Lemos's Review Sourced from Google

      I've been working in AccelOne for several years already and it's an amazing place to work. Great people and a good variety of clients.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Revolutionizing Ideas Into Reality

    At Big Fish, we are a team of technical experts based in the U.S. who design and build custom mobile apps...

    Top Services:

    • Mobile App Development
    • Software Development
    • UI/UX Design
    Location
    Tampa, Florida
    Number of Employees
    Under 49
    Minimal Budget
    $25,000 - $50,000

    Big Fish Services

    • Mobile App Development
    • Software Development
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Software & IT Services Industry
    • Retail Industry
    • Finance Industry
    Data sourced from the agency's DesignRush profile

    Big Fish Reviews & Testimonials

    • Eric Wexler
      Eric Wexler Review from Google
      5.0

      Eric Wexler's Review Sourced from Google

      Working with Big Fish App Development was a fantastic experience. Sara and her team were professional, helpful, responsive, and incredibly easy to work with throughout the entire project. Building an app or software can be a stressful undertaking but Sara really takes an organized approach and explains the process step by step. Her deep knowledge and expertise really showed, and she consistently met deadlines while being flexible enough to work at whatever pace was needed. Big Fish was thorough, and always one step ahead — often thinking of things I hadn’t even considered, which made a huge difference in the App. Her input during the development process was invaluable. I highly recommend Big Fish to anyone looking for a skilled and dependable app developer. If you are coming into this with little AppDev knowledge, just know that Big Fish is fair and trustworthy. I couldn’t have asked for a better team in bringing my app and ideas to life!

    • Swing Time
      Swing Time Review from Google
      5.0

      Swing Time's Review Sourced from Google

      These are really great people to work with, and they're based right here in Tampa Bay. I highly recommend Big Fish for app development.

    • Kym Jenkins
      Kym Jenkins Review from Google
      5.0

      Kym Jenkins's Review Sourced from Google

      I've had really great experiences with Big Fish. Their attention to detail is only surpassed by the solid execution of app development with each project. One of the best app development companies that I've worked with, and I look forward to our next project together.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews

Frequently Asked Questions

How do I choose the right Flutter development company in the United States?

Consider following these steps in choosing the right Flutter development company in the United States for your business: 

  1. Outline your project goals, project specs, target audiences, timeline, and budget. 
  2. Scan the market for companies with case studies and portfolios similar to your project. 
  3. Examine their service range and technical proficiency and check for awards, recognitions, and certifications. 
  4. Read client reviews and testimonials to identify soft skills, like problem-solving, communication, and transparency. 
  5. Shortlist candidates and send a detailed request for proposal (RFP).
  6. Arrange for an interview and ask about the development process and project approach. 
  7. Select a Flutter development company with proven experience in your industry and project, align with your team's values, and offer post-launch support. 

Need help finding a US Flutter development company? Visit our Marketplace and tell us about your project. We’ll match you with top companies for free. 

What red flags should I avoid when selecting a United States Flutter development company?

When selecting a United States Flutter development company, avoid the following red flags: 

  • Limited or no Flutter projects in its case studies and portfolio  
  • Lack of knowledge in Dart code, state management, RESTful APIs, JSON, and other Flutter frameworks and widgets  
  • Skips the user research and quality assurance (QA) processes  
  • Weak security and compliance practices  
  • Unrealistic timelines  
  • Doesn’t provide post-launch support and maintenance  
  • Ambiguous project ownership  
  • Multiple client reviews that highlight problematic traits, like poor communication and project delays 

What factors affect the pricing of a United States Flutter development company’s services?

Key factors that affect the pricing of a US Flutter development company’s services include: 

  • App complexity: The core features and functions, number of screens and devices, user roadmaps, and overall deployment architecture 
  • UI/UX design: Elements like custom animations, illustrations, interactive elements, and the number of page templates 
  • Tech stack: Costs associated with software licensing, testing platforms, third-party integrations, custom library, server space, and infrastructure 
  • Development team: The level of expertise required, and the number of team members (e.g., developers, designers, DevOps, QA specialists) needed to handle the project 
  • Project timeline: Shorter project turnarounds usually require larger teams or overtime work, increasing costs 
  • Regulatory requirements: Industries like healthcare and finance require more stringent security features and extensive QA testing, which can lead to higher costs due to increased workload 

On average, you can expect to pay $15,000-$40,000 for a simple Flutter app and $80,000-$150,000 for more complex solutions. 

How long does a typical United States Flutter development project take?

Typically, a simple Flutter app with basic design components and limited integrations can take between 10 and 17 weeks. In contrast, a complex app that requires real-time data handling and elaborate UI/UX design can take around 30-47 weeks.  

Here’s a timeline breakdown: 

  • Research and strategy: 2-5 weeks 
  • UI/UX design and prototyping: 2-8 weeks 
  • Development: 4-20 weeks 
  • QA testing: 2-8 weeks 
  • Deployment and post-launch support: 1-6 weeks 

Do Flutter development companies in the United States provide ongoing support?

Yes. Leading US Flutter development companies provide ongoing support and maintenance in addition to their initial service warranty. Typically, this comes in the form of an extended service level agreement (SLA) or a flexible engagement model, which allows long-term, more in-depth app maintenance after the initial launch. 

Ongoing support services include performance monitoring, security patch installations, platform updates, feature enhancements, and third-party integration management.

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