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
2,900 Companies-Rankings updated: September 05, 2026
Each company on DesignRush is evaluated for technical expertise, delivery quality, and verified feedback to help businesses find reliable software development services. Some listings may be paid.
We Help Protect our Customer's Data, So They Can Focus on What They Do Best
We Help Protect our Customer's Data, So They Can Focus on What They Do Best
AG Grace is dedicated to developing our nation’s future by protecting our critical resources and infrastructure offering a full range of services that improve our client’s ability to provide security, management, and assurance. We provide efficient cost-effective services and solutions to our customers...
We founded Create Neptune in 2015, but it was really born back when our founders were two video-game-loving kids who grew up on Neptune Avenue in Brooklyn, NY. Since founding Create Neptune we have built edutainment games for some of the largest educational institutions in the world, digital pharmaceuticals...
MindK is a software development and IT consulting company that helps businesses build software products, automate business processes, and modernize technology and infrastructure...
Your Salesforce Partner From Inception to Support!
Your Salesforce Partner From Inception to Support!
Apphienz is a registered Salesforce Partner. Apphienz works with nonprofits, startups, and SMB's. Our experienced team is highly skilled with Nonprofit Cloud, Nonprofit Success Pack, Sales Cloud, Service Cloud, Marketing Cloud, Pardot, CPQ. We offer Salesforce services from implementation to Managed Services...
eView Software is a trusted technology partner specializing in custom software development, outsourcing, and long-term technical support services. We help businesses transform ideas into scalable, high-quality digital solutions that drive growth and operational efficiency...
Miracuves is a global technology partner for founders and enterprises who want to move fast without compromising on quality. Since 2010, weve published 3,900+ mobile applications and deployed for 6,000+ clients worldwide across web, mobile, SaaS, and enterprise platforms...
Blood & Treasure provides consulting and technical support services in all areas of software development and team management. 20+ platforms developed. Over $80m raised from our MVPs. 10+ years in business serving enterprises (Citrix, Gap, Nike) and start-ups (Thnks, Altru, Dollaride)...
Codexaio is a full cycle software development company specializing in custom web apps, mobile applications, custom software solution, AI and IoT-based automation systems.
We help startups and enterprises bring their ideas to life through innovation, data-driven design, and robust engineering...
Napenda Technologies is a software development and consultancy firm dedicated to empowering startups and SMEs with professional, cost-effective digital solutions. They specialize in custom web and mobile application development, solution architecture, and data analytics, helping businesses launch scalable...
Empowering Connectivity. Elevating Digital Possibilities.
Empowering Connectivity. Elevating Digital Possibilities.
Boost your business with EC Networks, a prominent IT services firm headquartered in Los Angeles, California. We specialize in custom solutions and unwavering support, fostering innovation and enhancing efficiency for clients across diverse industries and scales. Your success is our foremost priority...
At Twistellar, we possess expertise across major and niche Salesforce domains, including Sales Cloud, Service Cloud, Marketing Cloud, Pardot, Experience Cloud, IoT Cloud, CPQ, Force.com Platform, and third-party software integrations. Our proficiency in these areas ensures comprehensive support for diverse...
Universal Equations, Inc. delivers cloud-native data services and AI-driven digital experiences. Born from a family story of resilience, we champion innovation, trust, and inclusion. Our services span web dev, AI consulting, data, and custom software...
Award-Winning AI Consultancy & Custom Software Development Company In UK & USA
Award-Winning AI Consultancy & Custom Software Development Company In UK & USA
Geeks Ltd is an award-winning AI consultancy and custom software development company. With 18+ years of experience and 1,500+ projects delivered, we help business leaders in Transport & Logistics, Construction, Manufacturing, Energy, Education, and Government harness AI to improve efficiency...
SeedTech is a full-stack web development & digital marketing agency with IT support entities. We build industry-leading websites from eCommerce to custom built websites and apps, while providing IT services to ensure business continuity...
We're based in New York and were named one of the top performing app dev agencies for startups by the GoodFirms. Check out some of the awesome work we did here https://bromin7.com...
100% USA Based Web / Software Development Made Affordable.
100% USA Based Web / Software Development Made Affordable.
Effortless Presence provides 100% USA based web development services. Our talented team of Web Designers, User Experience Designers, Graphic Artists and Software Engineers provide 100% custom website and web application development, with an eye for design. Effortless Presence provides custom website...
Appsky is a human-centered creative agency that specializes in design, software, & consulting. We are based in Omaha, NE and focus on building custom solutions for hybrid mobile apps and progressive web apps (PWAs), WordPress websites and e-commerce, and full graphic design and branding...
At Rootstrap, we help companies scale people, processes, and products through outcome-driven development. We’ve helped launch more than 750+ digital products with more than 100 million combined downloads...
VerifiedVerified by the DesignRush team for authenticity and credibility.Award WinnerRecipient of a Best Design Award for outstanding work.
Build software people actually pay for.
Build software people actually pay for.
Designli accelerates startup growth through its team of dedicated developers, proven frameworks, and proprietary AI tools. Founded in 2012, the US software development firm offers services in cross-platform mobile app and software development, UI/UX design, and specializes in SaaS solutions...
Comrax Group is a worldwide development company offering internet solutions, offshore development services, and API solutions. We are dedicated to delivering top-notch services that go beyond client expectations. Our expertise encompasses creating attractive websites, user-friendly web portals, and tailored...
Senior fintech + AI product team delivering end-to-end: discovery, architecture, development, QA, and long-term support. SOC 2 Type I. Built for mid-sized companies that need predictable delivery and high ownership...
Generate leads, elevate your brand, and digitally transform with the leader in marketing strategy.
Generate leads, elevate your brand, and digitally transform with the leader in marketing strategy.
Stage Marketing is a full-service content marketing business. Dr. Amy Osmond Cook founded Stage Marketing, which focuses on five main areas: content, PR, design, online services, and G Suite. As a Google Partner, Stage Marketing provides a broad variety of business and marketing services to clients in all...
Turning Technological Dreams Into Tomorrows Realities!
Turning Technological Dreams Into Tomorrows Realities!
Zrix, a top ASP.NET development company, specializes in transforming technology ideas into functional, scalable, and user-friendly solutions using both Drupal and ASP.NET. With a global footprint and a diverse portfolio, we commit to quality, integrity, and delivering unparalleled value across various...
Lead Generation Through Creative Digital Marketing
Lead Generation Through Creative Digital Marketing
We break through the ceiling of normal, successful marketing and into a whole new realm of lead generation for our clients. Handling all aspects of your digital marketing strategy from market research to advanced programming for web design and into creative scroll stopping video production, we've mastered the...
Orange5 LLC is a Cincinnatibased custom software development firm specializing in .NET and Node.js frameworks. Since its founding in 201415, the agency has designed web, desktop and mobile applications tailored to small and midsize clients. With a focus on clear communication, precise execution and technical...
Veteran-owned. Results-driven. We design and ship reliable, scalable software: API-first services, complex integrations, and cloud infrastructure that holds up under real-world load. From roadmap to rollout, we focus on security, compliance, and uptime delivering measurable outcomes for enterprises...
Redwerk has been delivering custom software, SaaS, mobile, web, and AI development since 2005. As proof of its expertise, it has delivered 250+ projects and worked with 170+ clients, including the Universal Music Group and the European Parliament...
We Redefine Your eCommerce Data With HubSpot To Grow Better
We Redefine Your eCommerce Data With HubSpot To Grow Better
MakeWebBetter is a HubSpot Elite Solutions Partner and Deloitte Tech Fast 50 achiever that uses a data-driven approach to tap quality leads, increase conversions and grow revenue...
Improve your product’s usability & realize your business goals
Improve your product’s usability & realize your business goals
At Adam Fard Studio, we design FinTech, EdTech and SaaS products from sketches and ideas all the way to a coding-ready polished design. After launch, our UX design agency creates solutions to address product usability, dwindling conversion rates and the ever-present challenges of user-retention...
Softeq is a versatile technology and Greentech company offering a wide range of services, including embedded system development, machine learning, digital transformation, hardware design, UX/UI design, and more...
A brand, design, and technology agency based in New York.
A brand, design, and technology agency based in New York.
Scalability Inc. is a New Yorkbased design and technology agency specializing in digital platforms, web and software development, and AI-driven systems. We partner with biotech, healthcare, and innovation-led companies to build scalable, high-performing digital products...
Ntiva is a technology company that provides managed IT and security, cloud solutions, digital transformation, and advanced IT consulting. We support the midsized and enterprise markets, including manufacturing, construction, healthcare, financial services, real estate, and nonprofits...
Custom Software, Mobile Apps, Web Design, SEO, PPC, GA4
Custom Software, Mobile Apps, Web Design, SEO, PPC, GA4
Armix Group is an NYC-based company specializing in Custom Software Development, Web Design, Mobile Apps, SEO, PPC, GA4/GTM to meet each business's unique needs. With over 18 years of experience, we assist companies of all sizes in navigating the ever-evolving digital landscape...
We integrate, innovate, and elevate enterprise systems.
We integrate, innovate, and elevate enterprise systems.
Intellectsoft builds custom software, AI solutions, and dedicated engineering teams for enterprises and fast-growing businesses across the US and UK...
IT teams and business leaders are often at odds. This is in large part because technologists focus on technology rather than the underlying business issue. This company was founded to bridge that gap and to allow business owners the ability to fully leverage their tech stack. We offer near shore resources...
Novaris provides advanced software solutions for businesses, industries, and government organizations integrating AI-driven innovation, expert engineering, and enterprise-level reliability. Advanced website, mobile app, and software development at 30% lower cost and 40% faster delivery!...
Most businesses know something is slow or broken. They don't know exactly what to fix, or where AI actually fits. We start there: map your processes, find the highest-ROI automations, then build, run, and help your team adopt them as your ongoing AI automation partner. Certified n8n Expert Partner, Clutch...
AvierIT Tech empowers enterprises to thrive in the digital age. As a global technology services and solutions company, they combine deep industry expertise with a passion for innovation. By harnessing the power of data, technology, and AI, AvierIT Tech transforms bold ideas into impactful outcomes. Their...
US based custom software development company with local presence in New York, Seattle and Bogota that has a strong industry focus on FinTech, E-Commerce and Blockchain industries. Besides being a great IT employer, we have been featured in Global Outsourcing List...
We are Midcoast Maine's premier new media production studio.
Every Brand Has A unique Story. Let's tell yours together! We believe that brands have an opportunity to build a deeper relationship with their clientele through their online presence. Heavy Element can help. Don't miss your chance to tell your...
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.
What are the most common industries that use these services?
While there is no concrete data on the industries that work with custom software development companies in the USA, StackOverflow reports that developers most commonly work in tech (53%), telecom (5.5%), and fintech (5.4%) industries.
What are the best software development companies in the USA?
The best software development companies in the USA are:
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