Our directory features top custom software development companies in the USA, vetted by 12 veteran experts based on a five-point ranking criteria, and supported by 5,000+ client reviews, so you can reliably find a partner for your next project. 

List of Top Software Development Firms in the US

6 Companies-Rankings updated: October 19, 2026

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

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

    Alty uses AI, behavioral science, data, and its 15+ years of experience to support the full product journey, from ideation and strategy to development, launch, and optimization. A 4x Red Dot Award-winning company, it has partnered with 50+ clients and launched products that attract 60M+ active users...

    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
  • 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
  • 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

    • AndrĂ© 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.

    • Nina Liashuk
      Nina Liashuk Review from Google
      5.0★

      Nina Liashuk's Review Sourced from Google

      Smooth, reliable cooperation every step of the way. They're quick to respond, easy to work with, and consistently deliver strong results. Their reliability and the quality of support have stood out the most. A team we would recommend without hesitation.

    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
  • High-end UX & website design, product development

    Vide Infra is a digital agency with 20 years of experience and a team of 30 professionals. We provide exceptional UX/UI design, web design, and web development services to clients worldwide, with a proven track record of success working with top-tier international clients. d web solutions for prominent EU...

    Top Services:

    • Web Design
    • Web Development
    • UI/UX Design
    • Branding
    • Software Development
    • Show more
    Location
    Albuquerque, New Mexico
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000

    Vide Infra Services

    • Web Design
    • Web Development
    • UI/UX Design
    • Branding
    • Software Development
    • eCommerce Development
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • DnB
    • GE Money
    • Bite
    • Airbaltic
    • ABLV
    Data sourced from the agency's DesignRush profile

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
128,634+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
48%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
6

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.

FAQs About Software Development Companies in the USA

What services do software development companies in the USA provide?

They typically offer full-cycle software, mobile, and web development, UI/UX design, and cloud and development operations (DevOps) as part of their core services. Some companies also provide AI development and digital transformation services to support a business’s continued growth. 

How much do custom software development services cost in the US?

Custom software development costs in the US start at $90-$160 per hour or $20,000-$500,000 per project, according to data from FullStack Labs. For more complex, enterprise-scale systems, the approximate cost is $500,000 to over $1 million per project.  

The final cost of custom software development services in the US will depend on project scope, complexity, and integration and regulatory requirements. 

What is the typical timeframe for custom software development services?

They can take 8-12 weeks for basic MVP development and over 3 years for production-ready enterprise builds. Estimated custom software solution timelines according to Goji Labs:  

  • Small builds: 8-12 weeks for MVPs and 12-24 weeks for full product release 
  • Mid-sized builds: 8-16 weeks for MVPs and 16-40 weeks for complete products 
  • Large builds: 12-36 weeks for MVPs and 36-144 weeks for fully deployable products 

What processes and performance benchmarks do top US software companies follow to ensure quality software?

To ensure quality solutions, leading software development companies in the USA perform code reviews, automated checks, clear documentation, and reproducible deployment environments. For instance, reputable companies aim for less than 2% defects before production and 99.5% uptime for system maintenance based on data from Shakuro and BlueGrid.io. 

How do I check whether a US software development company can handle a company my size?

Primarily, look for case studies that name the client and the person who signed off. Vague, anonymized case studies hide the exact details you need to judge whether a vendor has handled a business like yours.

A good example of this in practice is Designli, which publishes named stories, including work for a mid-market firm with around $100 million in annual revenue.

What are the best software development companies in the USA?