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

6 Companies - Rankings updated: September 03, 2026

All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.

United States × Flutter Development × Travel × $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
  • Solveit

    Award Winner Recipient of a Best Design Award for outstanding work.

    100% Focused on Apps

    We design and develop top-rated mobile and web apps for startups and SMEs. E-commerce, Healthcare, Marketplaces, and more. Our clients rate us for 5 out 5 - check out why!...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Design
    • Design Services
    • AI Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    30 Projects Listed

    Solveit Services

    • Mobile App Development
    • Software Development
    • Web Design
    • Design Services
    • AI Development
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Hemie.se
    • RVista
    • Lifepal AB
    • Gumb
    • Jabal
    • MyRaceData
    • JobJob.md
    • Burger King
    • OIIO
    • Leviosa
    Data sourced from the agency's DesignRush profile

    Solveit Reviews & Testimonials

    • Mitya Smusin
      Mitya Smusin CEO at Yellow Systems
      5.0

      Staff Augmentation Review from Mitya Smusin

      Solveit managed our comprehensive eCommerce project, developing a full-featured web platform with Node.js and React technologies. The agency also created a Flutter-based mobile app for seamless data synchronization across iOS and Android devices. We were thoroughly pleased with Solveit's expertise and adherence to deadlines. It provided timely updates and communicated openly about our project's status. Solveit's proactive approach and transparency were exceptional, particularly during the staff augmentation process, where the agency efficiently matched us with qualified candidates and facilitated a smooth onboarding. We were satisfied with Solveit's high-quality work and exceptional support.

    • Anna Harissis
      Anna Harissis CEO and Co-Founder at OUT CO
      5.0

      Design Services Review from Anna Harissis

      They have an incredibly hardworking team at affordable pricing. SolveIt has built the app earlier than expected, and they continue to complete new tasks within the client's budget and timeline.

    • Gabriel Sabadin
      Gabriel Sabadin Founder & CEO at LifePal AB
      5.0

      iPhone Review from Gabriel Sabadin

      We engaged SolveIt to develop a minimum viable product (MVP) app, including a user-friendly iOS design, an artificial intelligence (AI) model, and a monetization strategy while ensuring General Data Protection Regulation (GDPR) compliance and preparing for future integrations. Despite a tight deadline, SolveIt delivered the app on time and efficiently handled beta-testing within three months, allowing us to gather feedback and launch successfully. We acquired our first 1,000 users within a month of launching the app. SolveIt's team communicated effectively, addressed issues proactively, and maintained a high level of autonomy, bringing diverse expertise that greatly benefited our project. We appreciate the agency's dedication and professionalism.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Experts at Your Service

    Alt Digital Technologies is a B2B service provider servicing end to end development, DevOps, Testing and e-commerce solutions for your business. We work efficiently in ATG, Java, React, Salesforce, WordPress and majorly all technologies...

    Top Services:

    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Software Development
    • Software Testing
    • Show more
    Location
    Florida City, Florida
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed

    Alt Digital Services

    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Software Development
    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Boeing Co
    • Etisalat
    • Neiman Marcus
    Data sourced from the agency's DesignRush profile

    Alt Digital Reviews & Testimonials

    • Undisclosed
      Undisclosed Product Manager at Aerospace Company
      5.0

      Web Development Review from Undisclosed

      It is a feeling of both ecstasy and pride to know that all these years of hard work from our team has delivered a website which is delivering a powerful experience designed to meet the needs of our distribution customers. I am proud of our team's effort and also to be a part of this team.

    • Undisclosed
      Undisclosed Product Owner at Manufacturing Company
      5.0

      Software Development Review from Undisclosed

      You guys are one of the most wonderful people to work with. And most supportive, hardest working. We couldn’t have done what we’ve done in the past 2+ years without this team. Don’t ever forget it your value. You’re absolutely brilliant. It’s been such an honor to be your PO.

    • Undisclosed
      Undisclosed Senior Manager, IT at Aerospace Company
      5.0

      Mobile App Development Review from Undisclosed

      I preferred Alt Digital Technologies over big companies because of the quality and the stability of their people.

    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
  • AI-Native Product Design and Engineering.

    Enspirit is an AI-native product design and engineering studio helping enterprises and funded startups build digital products that scale. We combine product design, full-stack engineering, AI development, and advisory services in a single team, enabling faster execution from strategy to launch...

    Top Services:

    • UI/UX Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • AI Development
    • Show more
    Location
    Austin, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed

    Enspirit Services

    • UI/UX Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • AI Development
    • Mobile App Development
    • Software Development
    • Product Design
    • Digital Strategy
    • Web Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Deem
    • Innovative IDM
    • Nike
    • Gritwell
    • Safe Decisions
    Data sourced from the agency's DesignRush profile

    Enspirit Reviews & Testimonials

    • Ali Rock
      Ali Rock Review from Google
      1.0

      Ali Rock's Review Sourced from Google

      Faced an unprofessional experience with Enspirit. HR initially responded quickly and asked for my details, but later kept delaying, saying the technical team was unavailable. After 15 days of waiting, I was told they are now only considering more experienced candidates. Wasted my time with unclear communication.

    • Narsi Reddy
      Narsi Reddy Review from Google
      5.0

      Narsi Reddy's Review Sourced from Google

      Working at Enspirit has been a journey of continuous learning and innovation. The leadership fosters creativity, values every idea, and supports a flexible work culture that empowers us with purpose and growth.

    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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