Custom Software Development Solutions Companies in the USA

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    Increased US Software Development Company's annually acquired clients by 400% *
    Generated 50+ business opportunities for UK Architecture & Design Services Provider *
    Reduced cost per lead by over 6X for Dutch Event Technology Company *
    Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *
    Boosted conversion rate of Ukrainian IT Company by 53.6% *
    Increased US Software Development Company's annually acquired clients by 400% *
    Generated 50+ business opportunities for UK Architecture & Design Services Provider *
    Reduced cost per lead by over 6X for Dutch Event Technology Company *
    Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *
    Boosted conversion rate of Ukrainian IT Company by 53.6% *
    Increased US Software Development Company's annually acquired clients by 400% *
    Generated 50+ business opportunities for UK Architecture & Design Services Provider *
    Reduced cost per lead by over 6X for Dutch Event Technology Company *
    Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *
    Boosted conversion rate of Ukrainian IT Company by 53.6% *
    Increased US Software Development Company's annually acquired clients by 400% *
    Generated 50+ business opportunities for UK Architecture & Design Services Provider *
    Reduced cost per lead by over 6X for Dutch Event Technology Company *
    Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *
    Boosted conversion rate of Ukrainian IT Company by 53.6% *
    Increased US Software Development Company's annually acquired clients by 400% *
    Generated 50+ business opportunities for UK Architecture & Design Services Provider *
    Reduced cost per lead by over 6X for Dutch Event Technology Company *
    Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *
    Boosted conversion rate of Ukrainian IT Company by 53.6% *
    Increased US Software Development Company's annually acquired clients by 400% *
    Generated 50+ business opportunities for UK Architecture & Design Services Provider *
    Reduced cost per lead by over 6X for Dutch Event Technology Company *
    Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *
    Boosted conversion rate of Ukrainian IT Company by 53.6% *
    AI Summary
    Max Mykal
    Co-Founder @ Lengreo

    When off-the-shelf software doesn’t quite cut it, custom development steps in. Across the USA, there’s a growing number of software companies focused on building solutions that aren’t one-size-fits-all. These companies work closely with businesses to create tools and systems that actually reflect how they operate – whether that means automating internal workflows, connecting scattered platforms, or launching entirely new products.

    In this article, we’ll take a closer look at some of the companies in the USA that specialize in custom software development, what they offer, and how they approach building solutions that are meant to fit – not force – business needs.

    1. Lengreo

    1. Lengreo

    Offering services in the USA, Lengreo works with custom software development for different companies to help them grow their business. We operate mainly as a marketing partner, offering services like lead generation, SEO, and paid ads. Our work focuses on helping tech and IT firms, particularly in the UK, get more visibility and attract new clients.

    We concentrate on digital strategy and business development support, working closely with our clients to improve outreach efforts and optimize marketing funnels. We support software providers so they can focus on building products while we handle the front-end of client acquisition.

    Key Highlights:

    • Does not provide software development services
    • Works with software development firms in a marketing capacity
    • Specializes in B2B lead generation and outreach
    • Experience with global tech and IT companies

    Services:

    • B2B marketing strategy and consulting
    • Lead generation and appointment setting
    • SEO and content marketing
    • Paid advertising
    • Demand generation
    • Website development
    • Sales process and conversion optimization

    Contacts:

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    2. ELEKS

    2. ELEKS

    ELEKS offers custom software development and related services to clients in North America, Europe, and beyond. They build tailored software systems for a range of industries like fintech, logistics, government, and retail. Their focus spans the full software lifecycle from product development to testing and consulting.

    With a large team of engineers and consultants, they’re able to provide dedicated project teams and nearshore development options. Their work covers everything from UI/UX design to cybersecurity, often combining technical development with business analysis to create solutions aligned with client goals.

    Key Highlights:

    • Offers full-cycle software development
    • Strong global presence including U.S. and Europe
    • Experience across multiple industries
    • Provides nearshore and dedicated team models

    Services:

    • Custom software development
    • Product development
    • QA and testing
    • UI/UX design
    • R&D and innovation
    • Technology consulting
    • Dedicated development teams
    • Nearshore development

    Contacts:

    • Website: eleks.com
    • Facebook: www.facebook.com/ELEKS.Software
    • Twitter: x.com/ELEKSSoftware
    • LinkedIn: www.linkedin.com/company/eleks
    • Address: 625 W. Adams St., Chicago, IL 60661
    • Phone: +1 708 967 4803

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      3. Fingent

      3. Fingent

      Fingent builds custom software solutions with an emphasis on AI integration and efficiency. They focus on using emerging technologies like machine learning and cloud systems to streamline development and improve business outcomes. Their work spans industries like real estate, finance, healthcare, and logistics.

      They offer full-service development from planning to post-launch support. By incorporating AI tools into their workflow, Fingent aims to speed up delivery and optimize software performance. Their teams collaborate with clients to develop solutions that fit business goals without overcomplicating the process.

      Key Highlights:

      • Uses AI to enhance software development
      • Experience in multiple business sectors
      • Focuses on productivity and cost-efficiency
      • Provides end-to-end development and support

      Services:

      • Custom software development
      • Web and mobile app development
      • AI-powered solutions
      • Workflow automation
      • Cloud development
      • Maintenance and support
      • Software consulting

      Contacts:

      • Website: www.fingent.com
      • E-mail: info@fingent.com
      • Facebook: www.facebook.com/Fingent
      • Twitter: x.com/fingent
      • Instagram: www.instagram.com/fingentcorporation
      • LinkedIn: www.linkedin.com/company/fingent-technologies
      • Address: 235 Mamaroneck Ave Suite #301, White Plains, NY 10605
      • Phone: +1 (914) 615-9170
      4. Jackrabbit Mobile

      4. Jackrabbit Mobile

      Jackrabbit Mobile specializes in building custom software and mobile apps. Based in Austin, they work closely with clients to deliver tailored digital solutions that match specific business needs. Their development process is rooted in agile methodology and frequent collaboration.

      They design intuitive interfaces and streamlined systems for a variety of platforms. The team also handles legacy system updates and provides ongoing support after deployment. Their focus is on delivering software that’s functional and easy to use, without unnecessary extras.

      Key Highlights:

      • Custom software and app development focus
      • Uses agile development practices
      • Strong emphasis on UX and UI design
      • Offers full product lifecycle support

      Services:

      • Custom software development
      • Web and mobile app development
      • Legacy software modernization
      • UI/UX design
      • QA and testing
      • Maintenance and support

      Contacts

      • Website: www.jackrabbitmobile.com
      • E-mail: hello@jackrabbitmobile.com
      • LinkedIn: www.linkedin.com/company/jackrabbit-mobile
      • Twitter: x.com/teamjackrabbit
      • Facebook: www.facebook.com/JackrabbitMobile
      • Address: 4301 W William Cannon Dr Ste B-150 Austin, TX 78749
      • Phone: +1 (512) 253-8083
      5. ScienceSoft

      5. ScienceSoft

      ScienceSoft offers a wide range of software development services with a focus on tailored business solutions. Their work covers multiple industries, including healthcare, finance, logistics, and retail. They develop both client-facing and internal systems, emphasizing automation and custom workflows.

      They also provide consulting, modernization of legacy systems, and cloud migration services. ScienceSoft supports complex projects like IoT platforms, big data solutions, and enterprise-grade applications. Their team helps clients assess needs, design the right architecture, and deliver solutions that align with strategic goals.

      Key Highlights:

      • Broad service offering for various industries
      • Specializes in complex enterprise systems
      • Strong focus on security and compliance
      • Offers both development and consulting

      Services:

      • Custom software development
      • Web, mobile, and desktop app development
      • Cloud and SaaS development
      • Software consulting
      • Database and API development
      • Legacy software modernization
      • Business intelligence and analytics
      • HR, finance, and supply chain systems
      • IoT and security solutions

      Contacts:

      • Website: www.scnsoft.com
      • E-mail: contact@scnsoft.com
      • LinkedIn: www.linkedin.com/company/sciencesoft
      • Twitter: x.com/ScienceSoft
      • Facebook: www.facebook.com/sciencesoft.solutions
      • Address: 5900 S. Lake Forest Drive Suite 300, McKinney, Dallas area, TX 75070
      • Phone: +1 214 306 68 37
      6. Glorium Technologies

      6. Glorium Technologies

      Glorium Technologies delivers custom software development services designed to address specific business challenges across industries. Their approach covers the full development cycle, from idea validation to deployment and maintenance. By combining software engineering, consulting, and system integration, they support enterprises and startups alike in developing tailored solutions that align with their operational goals and technology needs.

      Their team works closely with clients to ensure that each solution reflects business workflows, integrates into existing systems, and adapts to evolving requirements. They provide services for both large-scale transformation and smaller projects like MVP development. The company also offers support with AI, machine learning, cloud technologies, and team augmentation. Their goal is to provide systems that improve efficiency and support long-term growth through customized, sustainable technology.

      Key Highlights:

      • Offers full-cycle development, from discovery to deployment
      • Provides team extension and consulting for tech strategy
      • Works with enterprises and startups across industries
      • Focus on business process integration and digital transformation
      • Supports long-term scalability and maintenance

      Services:

      • Custom Software Development
      • Cloud Solution Development
      • ERP Systems
      • AI and Machine Learning Solutions
      • Web and Mobile Applications
      • Internet of Things Development
      • MVP and Product Roadmap Planning
      • Team Augmentation and Consulting

      Contacts:

      • Website: gloriumtech.com
      • LinkedIn: www.linkedin.com/company/glorium-technologies
      • Twitter: x.com/Glorium_Tech
      • Address: 100 Overlook Center, 2nd floor, Princeton, NJ 08540 USA
      • Phone: +1-888-354-0883
      7. Itransition

      7. Itransition

      Itransition focuses on delivering software solutions that are custom-built to meet business-specific needs for organizations of all sizes. With more than two decades of experience, they offer services that cover the complete development lifecycle. This includes designing and building new applications, modernizing legacy systems, and implementing platform-based solutions to match client workflows.

      They work with a variety of industries and provide scalable systems for enterprise-level use, as well as tools tailored for startups aiming to bring digital products to market. Itransition incorporates emerging technologies such as AI, RPA, and blockchain into their projects and supports companies aiming for digital transformation. Their solutions often address complex integration, data analysis, and performance requirements.

      Key Highlights:

      • Provides full-cycle software development
      • Strong background in platform-based implementation
      • Focus on enterprise digital transformation
      • Offers legacy system modernization
      • Experience in using AI and data tools in software

      Services:

      • Custom Software Development
      • Application Modernization
      • Enterprise Software Solutions (ERP, CRM, HRM)
      • SaaS and MVP Development
      • AI and Machine Learning Integration
      • Blockchain and IoT Development
      • AR/VR Solutions
      • Technology Consulting

      Contacts:

      • Website: www.itransition.com
      • E-mail: info@itransition.com
      • Facebook: www.facebook.com/Itransition
      • LinkedIn: www.linkedin.com/company/itransition
      • Twitter: x.com/itransition
      • Address: 160 Clairemont Ave, Suite 200, Decatur, GA 30030
      • Phone: +1 720 207 2820
      8. Avenga

      8. Avenga

      Avenga develops custom software solutions that help businesses solve unique challenges and adapt to changing market conditions. They support organizations through every phase of the software development process, from early product discovery and UX design to development and long-term support. Their focus is on building systems that align closely with business goals and operational workflows.

      They combine a flexible, agile approach with domain expertise across industries, helping clients improve internal processes, create new digital services, and build scalable platforms. Avenga also integrates emerging technologies such as AI, cloud, and IoT to enhance business capabilities and deliver more personalized user experiences.

      Key Highlights:

      • Emphasis on full-cycle support, from strategy to post-launch
      • Combines UX design and product discovery with development
      • Focus on aligning technology with business workflows
      • Builds scalable, cloud-ready solutions
      • Integrates advanced tech like AI and IoT

      Services:

      • Custom Software Development
      • Web and App Development
      • UX and Service Design
      • Microservices and API Development
      • AI and Data-Driven Software
      • IoT Integration
      • SaaS Platform Development
      • Product Discovery and Consulting

      Contacts:

      • Website: www.avenga.com
      • LinkedIn: www.linkedin.com/company/avenga
      • Instagram: www.instagram.com/avenga_global
      • Twitter: x.com/avenga_global
      • Address: 222 Broadway, 19th Floor New York, NY 10038, USA
      • Phone: +1 770-261-1394
      9. LITSLINK

      9. LITSLINK

      LITSLINK develops custom software with a focus on integrating artificial intelligence to improve automation and operational efficiency. Their services cater to a wide range of industries, including fintech, healthcare, e-learning, and real estate. The company builds web and mobile applications, offering full development support from initial concept to final deployment.

      Their work often centers around enhancing user experiences and building tools that simplify complex tasks. LITSLINK also provides AI solutions like chatbots and machine learning models, helping clients make better use of data and streamline decision-making. Their development approach includes both traditional custom software services and emerging tech solutions.

      Key Highlights:

      • Strong focus on AI-powered automation
      • Builds solutions for multiple industries including fintech and healthcare
      • Offers both mobile and web development
      • Provides specialized tools like chatbots and VR/AR apps
      • Supports full development lifecycle

      Services:

      • AI-Powered Custom Software Development
      • Web and Mobile App Development
      • Machine Learning and AI Services
      • Blockchain and Smart Contract Solutions
      • Augmented and Virtual Reality Apps
      • SaaS Development
      • Industry-Specific Solutions (Healthcare, Real Estate, Education)
      • Cloud Application Development

      Contacts:

      • Website: litslink.com
      • E-mail: sales@litslink.com
      • Facebook: www.facebook.com/LITSLINK.COMPANY
      • Twitter: x.com/LitsLink
      • LinkedIn: www.linkedin.com/company/litslink
      • Address: 530 Lytton Ave 2nd floor, Palo Alto, CA 94301
      • Phone: + 1 650 865 18 00
      10. Intellias

      10. Intellias

      Intellias delivers custom software for businesses looking to turn technical ideas into real-world products. With experience in software engineering, data analytics, and cloud infrastructure, they provide complete development services that support long-term scaling and adaptability. Their team includes engineers, architects, designers, and project managers who collaborate across multiple industries.

      They take on complex projects that involve integrating different technologies, improving performance, or redesigning platforms. Their goal is to help businesses become more digital through secure, scalable systems. Intellias also brings expertise in intelligent automation, AI, IoT, and product modernization to support innovation.

      Key Highlights:

      • End-to-end support for custom development projects
      • Offers digital consulting and platform engineering
      • Combines tech expertise with domain experience
      • Supports application modernization and performance improvement
      • Works with emerging technologies for advanced solutions

      Services:

      • Custom Software Development
      • Cloud and DevOps Services
      • AI and Machine Learning Integration
      • Product and Quality Engineering
      • IoT and Data Analytics Solutions
      • Platform and Application Modernization
      • Experience Design and Project Management
      • Managed IT Support

      Contacts:

      • Website: intellias.com
      • E-mail: info@intellias.com
      • Facebook: www.facebook.com/Intellias.GlobalPage
      • LinkedIn: www.linkedin.com/company/intellias
      • Instagram: www.instagram.com/intellias_global
      • Address: 500 West Madison Street 60661 Chicago, IL
      • Phone: +1 857 444 0442
      11. Simform

      11. Simform

      Simform works with organizations to develop software that helps them scale, innovate, and modernize. Their services cover custom software development, product engineering, and system integration. With a strong background in cloud-native technologies, they create solutions that are built for performance and reliability across web and mobile platforms.

      Their approach emphasizes collaboration, with a co-engineering model that keeps clients involved throughout the development process. They also prioritize user experience and agile development, ensuring that solutions are adaptable and user-friendly. Simform supports a wide range of industries and helps companies modernize legacy systems while adopting new technologies.

      Key Highlights:

      • Cloud-native development expertise
      • Uses agile, collaborative development practices
      • Focuses on UX-led product design
      • Supports full digital product lifecycle
      • Helps modernize legacy systems

      Services:

      • Custom Software Development
      • Cloud and DevOps Engineering
      • Digital Product Engineering
      • Data Engineering and Analytics
      • Experience Design and UX Engineering
      • Legacy System Modernization
      • System Integration and API Development
      • SaaS and Enterprise Application Development

      Contacts:

      • Website: www.simform.com
      • Facebook: www.facebook.com/simform
      • LinkedIn: www.linkedin.com/company/simform
      • Twitter: x.com/simform
      12. Master of Code Global

      12. Master of Code Global

      Master of Code Global builds custom software solutions for web, mobile, and conversational platforms. They work with a mix of industries, using artificial intelligence to enhance customer interactions through chatbots, voice applications, and personalized user experiences. Their development process focuses on turning business ideas into functional digital products, combining user experience design with engineering across platforms.

      They also provide support for companies aiming to automate business operations or adopt emerging technologies like generative AI, blockchain, and large language models. Alongside their software development work, they offer consulting services and recruitment support, helping businesses expand their teams and navigate digital transformation. Their solutions are tailored to meet both technical and strategic needs across a variety of sectors.

      Key Highlights:

      • Experience with conversational AI and chatbot development
      • Combines software development with AI training and LLM integration
      • Offers both web and mobile solutions for diverse use cases
      • Supports businesses with consulting and recruitment services
      • Works with clients across multiple industries and channels

      Services:

      • Custom Software Development
      • AI and Generative AI Development
      • Conversational AI and Chatbot Solutions
      • Mobile and Web App Development
      • Blockchain and SaaS Platform Development
      • CRM and Connector Integration
      • Business Process Automation
      • Digital Transformation Consulting
      • UX Design and Conversation Design
      • Recruitment as a Service

      Contacts:

      • Website: masterofcode.com
      • E-mail: us.sales@masterofcode.com
      • Facebook: www.facebook.com/master.of.code.global
      • Twitter: x.com/master_of_code
      • LinkedIn: www.linkedin.com/company/master-of-code
      • Address: 541 Jefferson Ave, Suite 100 Redwood City, CA 94063
      • Phone: +1 408-663-1363
      13. Codebridge

      13. Codebridge

      Codebridge provides software development services focused on building custom applications and offering long-term technical support. They work with clients through the full software development cycle, from initial planning to maintenance, helping turn detailed business requirements into reliable software systems. Their team handles a range of projects including mobile apps, enterprise software, and e-commerce platforms.

      In addition to software engineering, they specialize in cloud development, system integration, and UI/UX design. Their solutions often involve connecting tools like CRMs and payment gateways or migrating legacy systems to the cloud. Codebridge also supports cross-platform and hybrid app development, offering flexible options for clients aiming to reach users across different devices.

      Key Highlights:

      • Offers full-cycle development for web, mobile, and desktop
      • Provides enterprise software such as ERP and CRM systems
      • Focuses on integration between tools and systems
      • Experience with cloud migration and scalable solutions
      • Supports both native and cross-platform mobile development

      Services:

      • Custom Software Development
      • Web and Mobile Application Development
      • Enterprise Software Solutions (ERP, CRM, SCM)
      • Cloud Migration and Cloud-Based Tools
      • Software Architecture and Maintenance
      • UI/UX Design and Business Analysis
      • Desktop Application Development
      • System and API Integration

      Contacts:

      • Website: www.codebridge.tech
      • E-mail: business@codebridge.tech
      • LinkedIn: www.linkedin.com/company/codebridge-technology-inc
      • Instagram: www.instagram.com/codebridge.technology
      • Twitter: x.com/codebridge_
      • Facebook: www.facebook.com/codebridge.tech
      • Address: 8 The Green, Suite 12848, Dover, DE 19901
      • Phone: +1 302 688 70 80
      14. Kanda Software

      14. Kanda Software

      Kanda Software works with businesses to develop custom software solutions across a wide range of technical needs. Their teams are flexible in how they engage, scaling up or down as needed during a project. They focus on aligning closely with their clients’ product owners, with an emphasis on meeting deadlines and budget goals. The company’s structure allows it to bring in specific skills like AI, DevOps, or cloud expertise when a project demands it, without adding unnecessary overhead. They also prioritize client involvement and make sure their processes can shift quickly based on business changes.

      Their approach covers the full development lifecycle – from early design and prototyping to implementation, testing, and ongoing support. The work is often centered on modernizing older systems, building cloud-native solutions, and helping organizations adapt to new technologies. While they offer a broad mix of services, the common thread is tailoring the team and tools to the project at hand. Their goal is to help clients build products that fit real operational needs, not just launch software for its own sake.

      Key Highlights:

      • Works with a mix of cloud-native, legacy, and hybrid systems
      • Flexible team scaling across development stages
      • Experience with emerging tech like AI and ML
      • Integrated QA practices during development
      • Support for both startups and large enterprises

      Services:

      • Custom Software Development
      • Mobile Application Development
      • UX/UI Design
      • Digital Transformation
      • Cloud Engineering
      • DevOps Services
      • QA and Testing
      • Data Analytics
      • AI and Machine Learning
      • Maintenance and Support

      Contacts:

      • Website: www.kandasoft.com
      • E-mail: contact@kandasoft.com
      • Twitter: x.com/kandasoftware
      • LinkedIn: www.linkedin.com/company/kanda-software
      • Address: 223 Needham Street, Newton, MA 02464
      • Phone: +1 617 340 3850
      15. Designli

      15. Designli

      Designli focuses on building custom web-based software, particularly for businesses that need apps running in a browser across different devices. Their work starts with a discovery phase, where they explore what’s going on in the client’s business and figure out where a custom app can actually solve problems. They aim to keep things coordinated across development and design so that projects don’t spin out into disconnected parts. Their team setup includes dedicated developers, a product owner, and UI/UX support, so they act more like an extension of the client’s internal team than a separate vendor.

      Most of their work involves designing and developing web applications from scratch, but they also help maintain and upgrade existing systems. They’re used to working with companies that might not have in-house technical leadership and try to make the process easier to follow. Whether it’s e-commerce platforms, internal business tools, or mobile-friendly apps, the focus stays on function, usability, and making the software easy to keep up over time.

      Key Highlights:

      • Focused on browser-based web applications
      • Uses in-house teams with defined roles
      • Prioritizes planning before development
      • Helps non-technical founders manage projects
      • Maintains and upgrades existing software systems

      Services:

      • Custom Web Application Development
      • UX/UI Design
      • DevOps for Web Apps
      • Mobile Web Development
      • E-Commerce Development
      • CMS Development
      • Software Prototyping and Roadmapping (SolutionLab)
      • Ongoing Maintenance and Feature Updates

      Contacts:

      • Website: designli.co
      • E-mail: hello@designli.co
      • Facebook: www.facebook.com/designli
      • Twitter: x.com/designlico
      • Instagram: www.instagram.com/designlico
      • LinkedIn: www.linkedin.com/company/designli
      • Address: 141 Traction Street, Greenville, South Carolina 29611
      • Phone: +1 864 516 8805

      Conclusion

      Custom software development in the USA isn’t just about writing code anymore – it’s about building the right thing in the right way for the right people. Every company mentioned here brings its own approach to solving complex business problems, whether that’s through AI-powered chat interfaces, cloud-native platforms, or well-integrated enterprise systems. Some focus more on automation and smart interfaces, others lean into cloud migration or strong backend architecture. The point is, there’s no one-size-fits-all solution, and that’s kind of the whole point of going custom.

      If there’s one takeaway, it’s that choosing a development partner isn’t just about the tech stack. It’s about finding a team that gets your business goals, can adapt as you grow, and knows how to translate ideas into working products. Whether you’re a startup testing a new idea or a larger business modernizing legacy systems, the U.S. software development space has no shortage of experienced teams to collaborate with – each with its own strengths and style.

      AI Summary