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

2 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 × Hobbies & Gifts × $10,000 - $25,000 ×Clear Filters
  • Mobile App Development Company

    No matter what your niche is, we will help build mobile apps for your business. Choose our best application development company for building apps in any business vertical...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • UI/UX Design
    • AI Development
    • Show more
    Location
    Atlanta, Georgia
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    13 Projects Listed

    The NineHertz Services

    • Mobile App Development
    • Web Development
    • Software Development
    • UI/UX Design
    • AI Development
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Akamai Technologies
    • Pepsi
    • Samsung
    • Casio
    • Ericsson
    • Alcatel-Lucent
    • Adani
    Data sourced from the agency's DesignRush profile

    The NineHertz Reviews & Testimonials

    • Zamar Gooden
      Zamar Gooden Founder at Soadii
      5.0★

      Mobile App Development Review from Zamar Gooden

      The NineHertz successfully built a social media app for advertising as specified and met all our expectations. Their meticulous, accommodating, and cooperative approach ensured a seamless partnership. In addition to their excellent project management, they also have exceptionally strong technical proficiency. I would strongly suggest this organization for web and app development.

    • Steve Einzig
      Steve Einzig Founder & CEO at Potsmoking
      5.0★

      Mobile App Development Review from Steve Einzig

      We needed help with a project for cannabis lovers and got recommendations to contact The NineHertz. We are delighted with their developers as they are creative, fast, and professional. We are very happy with the deliverables.

    • Kari Gaston
      Kari Gaston Founder & CEO at Tripspilot
      5.0★

      Mobile App Development Review from Kari Gaston

      I hired The NineHertz's services to create my Tripspilot project and was amazed with the result. The team has met all the deadlines and exceeded our expectations with their quality work

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • We transform ideas into software products.

    Cogniteq is a professional software agency delivering custom solutions for SMBs and enterprises based in Europe, USA, Canada and Asia. More than 150 Cogniteq software engineers have been contributing to the success of the clients’ products since 2005...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • UI/UX Design
    • Web Design
    • Show more
    Location
    Lewes, Delaware
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed

    Cogniteq Services

    • Mobile App Development
    • Web Development
    • Software Development
    • UI/UX Design
    • Web Design
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Bosch
    • AE
    • Tchibo
    • Audi
    • Volkswagen
    • McDonalds
    • L'OrĂ©al
    • Miele
    • DHL
    • Burger King
    Data sourced from the agency's DesignRush profile

    Cogniteq Reviews & Testimonials

    • Peter Curtis CEO at Bauwow
      5.0★

      Mobile App Development Review from Peter Curtis

      It’s comfortable and pretty easy to work with Cogniteq. The company offers competitive prices and a good quality of services. We’ve managed to establish solid ways of working but I believe that for our future project we will move forward in making all the processes even more comfortable for all of us.

    • Jan-Willem Luijters
      Jan-Willem Luijters Head of Delivery at Cellpoint Digital
      5.0★

      Mobile App Development Review from Jan-Willem Luijters

      The quality of their staff and their reliable honest management are impressive. Thanks to the contribution from the highly talented Cogniteq staff we implemented the Native Mobile Application on both iOS and Android platforms. On top, Cogniteq helped us increase knowledge of swift (iOS) and Kotlin (Android).

    • Bahador Katouzian
      Bahador Katouzian Creative Director at Go Up Ltd
      5.0★

      Web Development Review from Bahador Katouzian

      Cogniteq team helped us with Web development, and we're completely satisfied with the result. Cogniteq is a team of professionals who were clear, responsive, and competent during our work. The team worked ahead of the schedule, we could see the progress during calls and all the feedback on the project status from the PM was clear and comprehensive. Should there be a project that we can’t cover with our internal resources, we will definitely reach out to Cogniteq for a quote again.

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

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
128,556+
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
2

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?