Best US Application Modernization Services Companies

475 Companies - Rankings updated: May 15, 2026

Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.

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  • Accendum LLC

    Your R&D partner in AI and Cybersecurity.

    Your R&D partner in AI and Cybersecurity.

    At Accendum, we are more than a company we are a proud testament to the power of the research community to drive innovations. Founded by a group of AI and cybersecurity researchers, we are driven by a shared commitment to excellence and a passion for advancing technology. Contact us to know more.  [... view Accendum LLC profile ]
    Location
    Norfolk, Virginia
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    View Profile

  • Nerdbug

    World-Class Offshore Software Development Agency.

    World-Class Offshore Software Development Agency.

    Nerdbug is a world-class offshore software development company that caters to businesses across various industries and growth stages, with precision and a passion for excellence. Contact us for cost-effective and timely delivery of AI & Ml software solutions, Web & Mobile app development, Custom enterprise  [... view Nerdbug profile ]
    Location
    Atlanta, Georgia
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    View Profile

  • Venrup

    Hire vetted remote designers and developers in 24 hours!

    Hire vetted remote designers and developers in 24 hours!

    VENRUP connects startups and enterprises with the top 1% remote talent in 24 hours. Create or augment existing teams fast with vetted talent.  [... view Venrup profile ]
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Sthenos Technologies

    AI-Driven Software Innovation & Digital Transformation

    AI-Driven Software Innovation & Digital Transformation

    Empower your business with Al-driven software solutions and cutting-edge digital transformation strategies.  [... view Sthenos Technologies profile ]
    Location
    North Bethesda, Maryland
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
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  • Carmatec

    Web Design and Mobile App Development Company

    Web Design and Mobile App Development Company

    Carmatec is an enterprise IT solutions provider with over 23+ years of proven industry experience and has successfully carved out a niche in web development, software and application design and development apart from its expertise in mobile development, managed IT services & cloud solutions.  [... view Carmatec profile ]
    Location
    Dallas, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    View Profile
    3.3 3.3 (111)

  • LevelShift

    Your AI Transformation Partner

    Your AI Transformation Partner

    LevelShift, your AI transformation partner, is a global technology solutions provider founded in 1998. From 2021 to 2025, we have been certified as a Great Place to Work for five consecutive years. Our 300+ customers consider us a highly trusted partner for innovation and AI adoption.  [... view LevelShift profile ]
    Location
    Irvine, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $99/hr
    View Profile
    4.5 4.5 (8)

  • Enkaytech

    Automate, Integrate, Modernize

    Automate, Integrate, Modernize

    Enkaytech is a technology solutions provider specializing in application modernization, system integration, and data-driven services. Their core offerings include enterprise application integration, cloud infrastructure, API development, and AI-powered solutions that help businesses enhance efficiency  [... view Enkaytech profile ]
    Location
    Lisle, Illinois
    Number of Employees
    50 - 99
    View Profile
    5.0 5.0 (1)

  • Tatvasoft

    Sculpt Your Thoughts To Reality

    Sculpt Your Thoughts To Reality

    TatvaSoft is a trusted technology partner enabling global businesses with its strategic IT solutions. Our services majorly encompasses Custom software development, Web development, product development, Ecommerce , Mobile apps, QA and many similar cutting-edge technologies.  [... view Tatvasoft profile ]
    Location
    Dallas, Texas
    Number of Employees
    500 - 999
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
    View Profile
    4.2 4.2 (576)

  • Nextbridge LTD

    Experience Is Everything

    Experience Is Everything

    Nextbridge LTD offers a robust portfolio of services, including IT strategy consulting, digital transformation, cloud migration, cybersecurity, data analytics, and custom software development. By harnessing advanced technologies like AI, machine learning, and blockchain, Nextbridge equips clients to optimize  [... view Nextbridge LTD profile ]
    Location
    Irving, Texas
    Number of Employees
    500 - 999
    Average Hourly Rate
    $40/hr
    Portfolios Count
    2 Projects Listed
    View Profile
    4.5 4.5 (361)

  • Tantheta Software Studio

    Tan θ Software Studio: Building the future of blockchain, one line of code at a time.

    Tan θ Software Studio: Building the future of blockchain, one line of code at a time.

    Tan θ Software Studio is a Custom Blockchain Development Company. We are a team of 30+ young engineers to build MVPs for startups and Enterprise Solutions.  [... view Tantheta Software Studio profile ]
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Portfolios Count
    1 Project Listed
    View Profile

  • Umang Software Technologies

    UMANG means Enthusiasm; Enthusiasm is what drives the mankind!

    UMANG means Enthusiasm; Enthusiasm is what drives the mankind!

    Umang has been working with some of the elite organization across the globe to develop and maintain their existing legacy applications. They are experts in developing custom software/Mobile/Web applications.Umang has expertise in Delphi, Java, PHP, Python, DotNet and 20+ other technologies and has domain  [... view Umang Software Technologies profile ]
    Location
    San Jose, California
    Number of Employees
    Under 49
    View Profile

  • Emorphis Technologies

    Think-Do-Achieve

    Think-Do-Achieve

    Emorphis Technologies is a software development company having offices in the USA, UK, in India, offering its services for Digital transformation in enterprise mobility solutions, cloud computing services, backend development, salesforce consulting services, healthcare software development and more  [... see all Emorphis Technologies reviews ]
    Location
    Broadlands, Virginia
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.3 4.3 (1)
    3.9 3.9 (54)

  • Nickelfox Technologies

    Empowering Ideas. We Design, Develop & Deliver!!!

    Empowering Ideas. We Design, Develop & Deliver!!!

    Nickelfox is a leading design and development studio that specializes in creating customized, scalable mobile app, UI/UX design, staff augmentation and software solutions for startups and Fortune 500 companies.  [... view Nickelfox Technologies profile ]
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    View Profile
    4.5 4.5 (94)

  • Persistent

    See Beyond, Rise Above.

    See Beyond, Rise Above.

    Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology.  [... view Persistent profile ]
    Location
    Santa Clara, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
    View Profile
    4.6 4.6 (730)

  • Gamecrio Studios

    Shaping the future of Games.

    Shaping the future of Games.

    Gamecrio Studios is the best Game Design - Development company in USA & India with 8+ years of experience in game Design & development.  [... view Gamecrio Studios profile ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $18/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    View Profile
    4.3 4.3 (43)

  • Assystant

    We make technology your competitive advantage.

    We make technology your competitive advantage.

    Assystant specializes in consulting, designing, developing, deploying, and maintaining scalable software solutions, providing comprehensive services to meet your business needs. Our expertise ensures the seamless integration of innovative technologies to drive your organization's success.  [... view Assystant profile ]
    Location
    Indian Land, South Carolina
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
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  • HatzsDimensions

    Transforming Ideas Into Powerful Software Solutions

    Transforming Ideas Into Powerful Software Solutions

    we turn your vision into tailor-made digital solutions. Our expert team merges advanced technology with creative strategies to craft software that fuels growth and efficiency. From startups to industry leaders, we transform ideas into impactful, scalable solutions that drive success.  [... view HatzsDimensions profile ]
    Location
    Austin, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • TechMave Software

    You Think We Will Deliver

    You Think We Will Deliver

    TechMave Software LLP delivers innovative web, mobile, and AI solutions tailored to business needs. Our team combines creativity, technology, and strategy to build impactful digital products that empower brands globally.  [... view TechMave Software profile ]
    Location
    Mountain View, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $11/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (28)

  • Chipsy IT Services Pvt. Ltd.

    Transform Your Business with Our End-to-End IT Solutions.

    Transform Your Business with Our End-to-End IT Solutions.

    Chipsy Information Technology Services Pvt Ltd. offers comprehensive IT solutions, including expert consulting, mobile app development (VitalBase is an ABDM-enabled hospital management information system), application development, school management systems, and DevOps services.  [... view Chipsy IT Services Pvt. Ltd. profile ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $12/hr
    View Profile

  • Claritus Consulting

    Powering Innovation. Enabling Change.

    Powering Innovation. Enabling Change.

    From design to deployment, Claritus delivers secure, scalable, and user-friendly applications backed by 24/7 support.  [... view Claritus Consulting profile ]
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    4.1 4.1 (88)

  • Fourchain Technologies Private Limited

    Redefine your Business Growth with Fourchain Technologies.

    Redefine your Business Growth with Fourchain Technologies.

    At Fourchain, we specialize in modernizing businesses by offering comprehensive digital transformation solutions like blockchain, artificial intelligence, fintech and application development services, all tailored to meet the specific pain points and unique needs of startups, mid-size, and enterprise  [... view Fourchain Technologies Private Limited profile ]
    Location
    Ontario, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (21)

  • Antino Labs

    Values by Convergence

    Values by Convergence

    We are an AI Consulting and Digital Transformation company that follows a collaborative and data-driven approach to deliver high-quality technology solutions for global enterprises.  [... view Antino Labs profile ]
    Location
    Lewes, Delaware
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile
    4.6 4.6 (68)

  • Infysion Technologies

    Your Reliable Product Engineering Services & Digital Transformation Partner

    Your Reliable Product Engineering Services & Digital Transformation Partner

    At Infysion, we're your trusted product engineering company, offering comprehensive product engineering services and solutions. We excel in the software product engineering field, employing an agile product development process to turn innovative ideas into successful, market-ready products.  [... view Infysion Technologies profile ]
    Location
    Springfield, New Jersey
    Number of Employees
    Under 49
    View Profile
    5.0 5.0 (42)

  • iTech India

    Powering Global Business with Innovative Solutions.

    Powering Global Business with Innovative Solutions.

    iTech is a custom software and digital transformation company with a wide range of successful projects. We offer tailored solutions for small businesses and multi-platform systems for large companies. Trusted by global brands, including Fortune 500 companies.  [... view ITech India profile ]
    Location
    Addison, Texas
    Number of Employees
    250 - 499
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    3.9 3.9 (137)

  • TechnoBrains Business Solutions

    Empowering Businesses Through Innovative Software Development

    Empowering Businesses Through Innovative Software Development

    TechnoBrains Business Solutions is a global software development and AI solutions company founded in 2009, delivering custom web, mobile, AI, and enterprise software solutions for startups, SMEs, and established enterprises worldwide. Headquartered in Ahmedabad, India, with a presence in the United States  [... view TechnoBrains Business Solutions profile ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Minimal Budget
    $10,000 - $25,000
    View Profile
    4.8 4.8 (27)

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Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.

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