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.Â
List of Top Software Development Firms in the US
877 Companies-Rankings updated: September 03, 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.
Software & Mobile App Development Company in Phoenix, Arizona
PhoenixBizz is a leading Software and Mobile App Development Company in Phoenix, AZ. We can help to build Custom Software for enterprise & startup businesses. PhoenixBizz is an expert in five keys areas of technology, including new Mobile Application Development, Seo Services, Web Design, Digital Marketing...
Odyssey Computing is an industry leading custom software development company based in San Diego, CA. As a top app development company, we specialize in mobile and web app design and development, including enterprise solutions. Since our founding in 1990, our focus has been to provide solid, functional, custom...
Xduce is more than a technology company; we're architects of digital transformation. With an unwavering focus on innovation, we've been reshaping industries since our inception. Our influence spans across the globe, redefining businesses and markets...
Ontoborn is a trusted software partner delivering full-stack app development, modernization, and long-term support. Trusted for over a decade by Nobel Laureateaffiliated researchers at The Ohio State University, we help enterprises across healthcare, finance, education, and more scale and innovate with...
Enabling Companies to stay Competitive in the Tech Landscape
APIUX Technology serves as your trusted IT outsourcing and consulting partner, delivering cost and time savings for your engineering projects and hiring needs. With our expertise and commitment to excellence, we streamline processes and optimize resources to ensure the success of your endeavors...
At Deverr, we power ambitious companies by connecting them with top-tier engineering talent from Latin America- highly skilled, battle-tested professionals who are ready to hit the ground running and seamlessly integrate with your team...
AI-driven custom software development for complex, high-growth industries.
NEKLO is an international custom software development partner. Since 2008, weve specialized in building and scaling digital products for high-stakes industries, including Healthcare, Fintech, Energy, and Construction...
AI led Digital Engineering for the Connected Enterprise.
Ignitho is acclaimed as one of the premier Software Development Companies in New York, USA. We specialize in delivering high-quality software development services to enterprises, employing a Frugal Innovation methodology that emphasizes achieving more while optimizing resources. Our approach prioritizes...
We Build Technology for Brand Marketers and Agencies
Oshyn partners with some of the world's best brands and creative agencies to create exceptional digital marketing solutions. By providing services, technology, and platforms, we enable creative talent to focus on what they do best: create amazing work...
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...
VerifiedVerified by the DesignRush team for authenticity and credibility.
Award Winning Global UI/UX Design Agency
Ungrammary is globally reputed and award winning UIUX Design agency based in India. We specialise in UXUI Design, user research, application design, SaaS and Enterprise UX design, and Interaction design of digital products...
Octal IT Solution is an award-winning software development and IT consulting company helping businesses worldwide accelerate digital transformation. We create mobile applications and web platforms, AI and data solutions, cloud-native systems, and blockchain applications...
VISIONEFX is a web design company headquartered in Virginia Beach, VA that provides professional website design to small business owners looking to enhance their business brand online...
Elegant, Performant Digital Products. Personalized, Automated Marketing. All Powered by Data and AI.
WillowTree, a TELUS International Company, is a leading digital consultancy. Since our founding in 2008, WillowTree has become one of the largest full-service digital experience firms with a team of 1000+ experts specializing across the end-to-end spectrum of digital products and services...
Specific challenges require specific solutions. We craft the right solution.
Our innovative approach pinpoints the intersection between business requirements, user goals, and the technology needed to bring them together.
The end result: a digital solution that gets it done, right...
Perimattic is a technology partner specializing in AI development, software development, cloud solutions, DevOps, MLOps, and enterprise technology services. The company helps startups, growing businesses, and enterprises build secure, scalable, and high-performance digital solutions...
At Depth Search, we serve as your guiding force in the dynamic and ever-evolving digital landscape. Driven by a commitment to precision and innovation, we delve into the intricacies to create exceptional websites and robust mobile apps that not only fulfill your requirements but surpass your expectations. Our...
We stack the most innovative technologies across Shopify, CRO, E-commerce, React.js, Node.js, Salesforce, WordPress, UX/UI, and Digital Marketing to deliver future-proof solutions that move businesses forward through Staff Augmentation and White-Labeling models...
Lotus Quality Assurance (LQA) is the first independent software testing company in Vietnam. We provide software testing and QA services for clients from over 10 countries at an average customer satisfaction score of 96%...
Empowering Businesses Through Innovative Software Solutions.
We specialize in helping enterprises worldwide navigate their digital transformation journey with tailor-made software solutions. Our highly skilled team is focused on delivering innovative, scalable, and results-driven solutions...
We Help Manufacturers Modernize Their Legacy Data Systems
IT Impact, Inc. delivers custom database and software solutions using Microsoft technologies. Through its Access Experts division, the company specializes in Microsoft Access development, database repair, system upgrades, and migrations to SQL Server and cloud platforms...
Award WinnerRecipient of a Best Design Award for outstanding work.
Digital Product Agency delivering Consumer-grade UX Design for B2B & Enterprise.
EMERGE is a top-rated UX Design Agency and Digital Product Consultancy and a trusted partner for B2B leaders across technology, healthcare, and manufacturing sectors. We specialize in driving business growth by crafting elevated, engaging digital products and services...
Creating a New Era in Software Development Industry.
Zensesys is a dynamic technology company with a robust presence in the United States and India. With over 13 years of industry experience, we have established ourselves as a trusted provider of digital transformation solutions. Our development center and core team are strategically based in India, a...
Since 2006, we, at DreamCo Design, have been dedicated to crafting professional websites and apps right here in America. Our services encompass a wide spectrum, ranging from web design, automotive website design, app development, and marketing to printing, hosting, and branding...
Allied Stack helps US companies scale software development with nearshore engineering teams from Latin America. We embed senior developers directly into your workflows, tools, and sprint cadence so they operate like your own team. Same timezone collaboration, clear ownership, and full visibility help our...
Coderio helps companies of all sizes, from Fortune 500 to SMBs, across the Americas accelerate their digital transformation. Their services are tailored to accomplish objectives through expert knowledge, problem-solving, and streamlining deliverables...
OneChair.dev is an AI-orchestrated software development company that uses its proprietary system OneSpark to deploy 85+ specialized AI agents in parallel, delivering custom enterprise-grade software up to 97% faster than traditional agencies. Think full scalable software delivered in 33 working hours, at a...
Roboto Studio is a Next.js and Sanity agency in San Francisco. We build headless content platforms for companies that have outgrown their CMS, so marketing teams can publish without waiting on a developer. Recent work includes Tray.ai, Topaz Labs and Slingshot Bio...
Growth Acceleration Partners (GAP) is a leading technology firm that offers a comprehensive range of services designed to help businesses achieve accelerated growth through innovative solutions such as Hadoop consulting...
IMEA systems is a partner of choice for many world-leading companies and those who care for service quality and trustworthiness. Our services vary, including all your business implementation processes, i.e. development, quality assurance, design, marketing and SEO...
Leading Provider of Innovative IT And Business Solutions
Zillion Technologies, Inc. (Zillion) provides global expertise in innovative technology, services, and consulting that helps our clients to reach beyond what they think is possible...
Were Passionate Problem-Solvers Who Live & Breathe Embedded Software.
JetHead was founded in 2003. Since then, we have expanded to include several software products and services with a focus on time-to-market and customer satisfaction. Our goal is to help customers and partners create great embedded software solutions...
We adhere to a tried-and-true software development process that is based on reasonable expectations, adaptable procedures, and faith in untapped potential...
Ambisafe, established in 2015, is a leading Smart contract development and blockchain software company offering fintech solutions for fundraising and capital management...
At InterSoft, we prioritize understanding your business needs. Whether you aim to boost revenue, cut costs, optimize workflows, safeguard data integrity, or tackle other challenges, our commitment is to address your specific business issuesnot simply sell you software...
Choose RowebCo as your digital consultation partner and propel the growth of your business online. We're your personal Website Development and Software Development team...
Custom software for businesses that have outgrown off-the-shelf tools. We're a small team of senior practitioners no account managers, no middlemen. When you talk to us, you're talking to the people building your software. React, Next.js, TypeScript, Python. Every engagement includes code, docs, training, and...
At MPH International, our founders boast a track record of success, having established their own software companies, with three acquisitions, including one by Microsoft, and one IPO. With our expertise, we are well-equipped to assist you in developing a market-leading application...
We specialize in software development, website development, branding, and IT solutions to provide a comprehensive suite of services aimed at helping your businesses build a strong digital presence, enhance your brand identity, and optimize your IT infrastructure...
Custom Software Development Company with a US based team located in the Washington DC Metro Area. We're celebrating our 40 year anniversary! Our team of 30 developers and project managers provide decades of development experience in Python, .Net, PHP, Coldfusion, Java, Grails, IOS and Android apps...
Techuz offers a complete suite of premium web and mobile solutions, encompassing everything from UI/UX to wireframing, website creation, web App, AI development, mobile app development. We ensure an exceptional client experience by combining intuitive design expertise with exceptional service...
Engineering Smarter, Faster, and Scalable Solutions.
At MatechCO, we empower businesses with cutting-edge digital solutions. Since 2009, we have been at the forefront of technology, delivering scalable, future-ready software tailored to the unique needs of enterprises worldwide...
Axon Active is a 100% Swiss-owned AI software development company with 650+ engineers in Vietnam, helping organizations build new digital products, modernize legacy systems, and continuously evolve software...
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.Â
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. Â
The final cost of custom software development services in the US will depend on project scope, complexity, and integration and regulatory requirements.Â
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: Â
Small builds: 8-12 weeks for MVPs and 12-24 weeks for full product releaseÂ
Mid-sized builds: 8-16 weeks for MVPs and 16-40 weeks for complete productsÂ
Large builds: 12-36 weeks for MVPs and 36-144 weeks for fully deployable productsÂ
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.Â
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. Â
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