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

Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.

Flutter Development
Home Services
Budget
Sort by: Top Rated
United States × Flutter Development × Home Services × Sort by: Top Rated × Clear Filters

  • SITE IT NOW

    AI-Driven SEO & Web Solutions That Grow Businesses

    SITE IT NOW is a leading AI-driven SEO and web development agency specializing in custom websites, mobile apps, digital marketing, and secure hosting. We help businesses rank higher, get discovered in AI search, generate more leads, and accelerate growth...

    Top Services:

    • Web Design
    • Web Development
    • Mobile App Development
    • SEO
    • eCommerce Development
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    6 Projects Listed

    SITE IT NOW Services

    • Web Design
    • Web Development
    • Mobile App Development
    • SEO
    • eCommerce Development
    • WordPress Website Design
    • Software Development
    • Digital Marketing
    • AEO
    • Social Media Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • AviaChi
    • South West Collision
    • Arizona Tax Advisors
    • Just For You Entertainments, LLC
    • Bullitt Automotive
    Data sourced from the agency's DesignRush profile

    SITE IT NOW Reviews & Testimonials

    • Barbara Schmal
      Barbara Schmal Owner/Instructor at Real Estate Training School
      5.0 ★

      Web Design Review from Barbara Schmal

      I decided to go with Site It Now because they are in Chicago IL and I am in Florida. I wanted a website developer in the US. I checked out their website and was impressed with the information I found. I am very pleased with my website and especially pleased with how they communicate with their customers. A real phone call, text, email all day every day until the project was completed.

    • Eddie Lebron
      Eddie Lebron Owner at Just 4 U Foto Booths
      5.0 ★

      Web Design Review from Eddie Lebron

      SITE IT NOW has been nothing but the best to us. We made the decision to go with them because of the primary reviews they had but they have surpassed our expectation with the amount of Awesome customer services they have provided our company. Richard has been so attentive to us. He is so responsible in keeping us updated throughout the whole process. We feel we gained not only good service with them but a friendship. We definitely recommend site it now. They go above and beyond your expectations

    • Eric Skaff
      Eric Skaff owner at Arizona Tax Advisors
      5.0 ★

      WordPress Website Design Review from Eric Skaff

      very responsive and easy to work with!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.6 4.6 (3)
    5.0 5.0 (35)

  • Yalantis

    Verified Verified by the DesignRush team for authenticity and credibility.

    Full-Cycle IoT and Software Development company

    We deliver cutting-edge, scalable, and fully functional IoT hardware and software products and ecosystems that help clients achieve their specific objectives...

    Top Services:

    • IoT
    • Software Development
    • Mobile App Development
    • AI Development
    • Big Data Analytics
    • Show more
    Location
    California City, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    24 Projects Listed

    Yalantis Services

    • IoT
    • Software Development
    • Mobile App Development
    • AI Development
    • Big Data Analytics
    • IT Services
    • Cybersecurity
    • Staff Augmentation
    • Cloud Consulting
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • RAKwireless
    • Toyota Tsusho
    • KPMG
    • Healthfully
    • Orbis Systems
    • Lifeworks
    • Scholz Databank
    • 123 Sourcing
    • Truhoo
    Data sourced from the agency's DesignRush profile

    Yalantis Reviews & Testimonials

    • Sergei Lishchenko
      Sergei Lishchenko Director of Digital Experience and Innovation at Orbis System
      5.0 ★

      Fintech Review from Sergei Lishchenko

      The exception team the client collaborated with brought in fresh ideas and innovative technologies previously unfamiliar to the client. For example, with Yalantis' guidance, the client's developers explore the Go language. The primary reason the client chose Yalantis is its strong organizational and project management skills. It's not just about the developers; Yalantis provides a comprehensive support framework, ensuring that a project manager is consistently present. (Verified via email)

    • Jason Jung
      Jason Jung Senior engineering manager at Zillow
      5.0 ★

      Software Development Review from Jason Jung

      Yalantis functions as an integral scrum team, supporting the development teams of a real estate firm. It created renovation project management tools that encompass a web app, a mobile app, and a backend system. Thanks to Yalantis, the client expanded development capabilities and achieved key short-term goals. Its quick integration was pivotal in launching various projects. Beyond delivering top-notch work, Yalantis emphasizes a culture that prioritizes the customer's needs. (Verified via email)

    • Roy D
      Roy D Partner at RAKwireless
      5.0 ★

      Outsourcing Review from Roy D

      An IoT manufacturer teamed up with Yalantis to craft an application, enabling users to manage their devices more efficiently. Utilizing Node.js and basing the architecture on Circulus, Yalantis delivered commendable outcomes. It is responsive to any development challenges, offering swift resolutions. The client appreciates Yalantis' proactive stance, impressive technical expertise, and practical solution suggestions. (Verified via email)

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.6 4.6 (3)

  • Zealous System

    Passionate to Code Your Success

    Zealous System is an AI-powered technology partner delivering custom software, AI solutions, web and mobile apps, and enterprise platforms. As a software solutions provider, we serve startups and enterprises across healthcare, FinTech, logistics, education, manufacturing, and more...

    Top Services:

    • Software Development
    • Product Design
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Show more
    Location
    Lewis Center, Ohio
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    22 Projects Listed

    Zealous System Services

    • Software Development
    • Product Design
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Mobile App Development
    • AI Development
    • IoT
    • Blockchain
    • Managed Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Kerson Wallaw Consulting Firm Inc
    • Neil Patel Digital
    • Barber's Connect
    Data sourced from the agency's DesignRush profile

    Zealous System Reviews & Testimonials

    • Grzegorz Grabczak
      Grzegorz Grabczak Chief Executive Officer at DIGITAL-IMAGES
      5.0 ★

      Software Development Review from Grzegorz Grabczak

      We worked with Zealous System on an AI-powered fraud triage solution for one of our clients in the Europe financial services sector. The project involved a complex fraud investigation workflow where analysts were handling a large number of alerts and gathering information from multiple systems. Zealous System worked closely with us to understand the requirements, existing processes and expectations of the end client before moving into development. The team developed an AI-powered fraud triage agent that brings relevant information together, helps prioritise alerts and provides explainable recommendations while keeping human analysts involved in important decisions. What I appreciated was the team's ability to understand both the business and technical sides of the project. Communication was consistent, and they were responsive when requirements evolved during development and testing. The solution helped streamline the investigation process and reduce the amount of repetitive manual work involved in reviewing fraud alerts. Overall, we had a positive experience working with Zealous System. They were a reliable technology partner for us on this project, particularly given the complexity of introducing AI into a financial services environment.

    • DIPAK VAIDH
      DIPAK VAIDH Review from Google
      1.0 ★

      DIPAK VAIDH's Review Sourced from Google

      I visited Zealous System on 16th June 2025 for the walk-in interview announced on LinkedIn for interns/freshers in Python, PHP, WordPress, .Net, and QA roles. Despite clearly stating it was open for freshers, upon arrival, all Python candidates, including myself and my sister, were told they only accept those with prior experience, as interns are directly placed on live projects. This information was never mentioned in the post. The company blamed the marketing team for the misleading post. This experience wasted our valuable time, energy, and travel expenses. I urge the company to coordinate better internally and post accurate job/internship information to avoid misguiding freshers who genuinely seek opportunities.

    • Ravi Prajapati
      Ravi Prajapati Review from Google
      5.0 ★

      Ravi Prajapati's Review Sourced from Google

      Zealous System is outstanding when it comes to AI development! Their team helped us build a smart, AI-powered software solution that completely transformed how we manage data and customer interactions. They explained complex AI concepts in simple terms and delivered a solution that works flawlessly. From planning to post-launch support, everything was smooth and professional. Highly recommended if you're looking for reliable AI experts!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.3 4.3 (1)
    4.2 4.2 (66)

  • Oyova

    We Take Winning Seriously. This Goes for You and for Us.

    Custom software, marketing, development, and IT consulting. From top line to bottom line, we move the obstacles to propel your business forward...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • eCommerce Development
    • Content Marketing
    • Show more
    Location
    Jacksonville Beach, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    Under $1,000

    Oyova Services

    • Web Design
    • Web Development
    • WordPress Website Design
    • eCommerce Development
    • Content Marketing
    • eCommerce
    • Digital Marketing
    • Social Media Marketing
    • SEO
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • The Tom Coughlin Jay Fund
    • Aude Smith Architecture
    • BNTC
    • UltimaCase
    Data sourced from the agency's DesignRush profile

    Oyova Reviews & Testimonials

    • Kirill Kudymov
      Kirill Kudymov Product Manager at Schneider Electric Sustainability Business
      5.0 ★

      Web Development Review from Kirill Kudymov

      Oyova designed and developed a web platform that allows users to access and post information relating to MS. Without wireframes, their team developed much of the design on their own, taking into account that the interface needed to be very user-friendly for our audience.

    • Brittany Grunzinger
      Brittany Grunzinger Review from Google
      5.0 ★

      Brittany Grunzinger's Review Sourced from Google

      Oyova has continuously proven to be a fantastic partner to our team! They are knowledgable, easy to work with, and come to the table ready to collaborate. When seeking a business relationship, the hope is always that it’s seamless, and that’s exactly the experience we’ve had with them. Whether we have a simple question or a complex need, they remain a team that we can rely on. My primary point-of-contact is Beth, and she’s been wonderful! She’s not only great at keeping things on track, she’s also kind and approachable. In fact, I’ve collaborated with multiple members at Oyova and everyone has made it easy to build a long-term, trusting relationship with them. If you have the chance, work with them. You’ll be glad you did!

    • S. christian
      S. christian Review from Google
      5.0 ★

      S. christian's Review Sourced from Google

      We partnered with Oyova for outsourced development work, and the experience was outstanding. From the very beginning, their team demonstrated a deep understanding of our project needs and delivered high-quality work on time and within budget. A special shoutout to our account manager, Beth Rener, who always went above and beyond to ensure a seamless process. She was incredibly responsive, proactive, and always one step ahead in managing the projects. Whether it was addressing questions, providing updates, or making sure everything stayed on track, her attention to detail and commitment to our success truly stood out. Highly recommend Oyova and Beth!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.3 4.3 (1)
    5.0 5.0 (25)

  • Serbyte

    More than a website, a growth engine.

    Serbyte Web Design & Development builds custom websites that function as growth systems, combining web design, Next.js development, SEO, analytics, lead capture, and automation to help businesses turn traffic into leads and sales...

    Top Services:

    • Web Design
    • SEO
    • Web Development
    • Software Development
    • UI/UX Design
    • Show more
    Location
    Kirkland, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    6 Projects Listed

    Serbyte Services

    • Web Design
    • SEO
    • Web Development
    • Software Development
    • UI/UX Design
    • Digital Marketing
    • PPC
    • AI Development
    • Design Services
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Vets Choice Insurance
    • RC Concrete
    • Bespoke Tint & PPF
    • Entitled
    • Iron & Oak
    • Herbanatural CO
    Data sourced from the agency's DesignRush profile

    Serbyte Reviews & Testimonials

    • Kris Meyer
      Kris Meyer Owner at Bespoke Tint & PPF
      5.0 ★

      Small Businesses Website Development Review from Kris Meyer

      Austin rebuilt our website from the ground up and helped turn Bespoke Tint & PPF into one of the top tint brands in Bellevue. The work started with a full redesign of our website, including branding, copywriting, conversion improvements, mobile optimization, and development. The new site immediately performed better and generated more leads after launch. After the website launch, we continued working together on SEO, AI search optimization, paid advertising support, analytics, A/B testing, and ongoing marketing strategy. He also helped improve our review visibility, local search presence, and overall positioning online. What started as a website project became an ongoing growth partnership focused on increasing traffic, leads, and customer acquisition.

    • Jeff Egbert
      Jeff Egbert Review from Google
      5.0 ★

      Jeff Egbert's Review Sourced from Google

      Austin built or website fast.And it works flawless. And he is always available for you to answer any questions. Or solve any problems.great experience.

    • Uffy 666
      Uffy 666 Review from Google
      5.0 ★

      Uffy 666's Review Sourced from Google

      very innovative and solid work. this service is invaluable in the climate of an ever evolving digital landscape. will definitely be coming back again.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.3 4.3 (1)
    5.0 5.0 (8)

  • Gaazzeebo LLC

    Dream It. Done. We turn your vision into functional, enterprise product

    Gaazzeebo is a custom software development company that designs, builds, and ships tailored web and mobile applications, AI systems, and workflow automation for businesses of every size. Our Tampa-based, founder-led team turns complex operational problems into scalable software you actually own!...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Web Design
    • eCommerce Development
    • Show more
    Location
    St. Petersburg, Florida
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000

    Gaazzeebo LLC Services

    • Software Development
    • Mobile App Development
    • AI Development
    • Web Design
    • eCommerce Development
    • Web Development
    • SEO
    • IT Services
    • Business Consulting
    • Digital Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Tattoo Learning Center
    • JVC Construction, Inc.
    • AZRezcue
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

Related Software Development Specializations in the US

Popular Services

Why People Trust DesignRush

Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding Flutter development companies in the United States. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.

DesignRush rating logos on Trustpilot and Google

Learn more about DesignRush Agency Ranking Methodology.

Sources

DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:

  • Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
  • The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.

Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.

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.

Latest Trends Related to Flutter Development

Onshore vs offshore software development
Software Development

Onshore vs. Offshore Software Development Company: Which One Is a Better Choice?

2,539
Questions To Ask a Software Development Agency
Software Development

10 Questions To Ask a Software Development Agency Before Hiring

2,355
In-House vs. Outsourcing Software Development
Software Development

In-House vs. Outsourcing Software Development: What to Choose for Your Company

2,669

Receive Free Proposals

For your project

1

Specify your budget, timeline and project requirements

2

Our experts curate a list of up to 5 most qualified candidate agencies

3

We connect you with them so you can choose the most suitable partner

Specify your requirements