Searching for a top-rated application modernization services company to future-proof your business? Our directory provides industry-leading experts specializing in transforming legacy systems. With insights from verified client experiences and success stories, we make it easy for you to compare options based on location, budget, and hourly rates to find your next agency partner. 

Best App Modernization Services Agencies

60 Companies-Rankings updated: September 03, 2026

All mobile app development firms on DesignRush have been assessed for their expertise, portfolio, and verified client reviews. Some listings may be paid.

Application Modernization
Construction
$10,000 - $25,000
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  • SleekDigital

    Only the best software.

    Founded in 2017, SleekDigital has been a software development agency specialising in web development and mobile app development...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Product Design
    • Web Design
    • Show more
    Location
    Singapore, Singapore
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile
    5.0 5.0 (8)

  • Map to Moon

    Award WinnerRecipient of a Best Design Award for outstanding work.

    Digitalization With No Drama

    Map to Moon is a fully remote agency collaborating with clients across the UK, Spain, Andorra, and internationally. Committed to transparency, creativity, and long-term relationships, we operate as an extension of your team to deliver meaningful digital experiences...

    Top Services:

    • Mobile App Development
    • Web Development
    • Web Design
    • Software Development
    • AI Development
    • Show more
    Location
    Arinsal, Andorra
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile

  • Alverden

    Software Solutions for Your Business

    We're building great web apps for great businesses...

    Top Services:

    • Software Development
    • Web Design
    • Mobile App Development
    • UI/UX Design
    • Cybersecurity
    • Show more
    Location
    Minsk, Belarus
    Number of Employees
    Under 49
    Average Hourly Rate
    $27/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    5.0 5.0 (9)

  • Tech.us, Inc

    Build Better Software.

    Tech.us is an AI software solutions company that provides AI development, mobile applications, cloud consulting, and IT services. We focus on creating secure, scalable, and innovative technologies that support businesses in their digital journey...

    Top Services:

    • AI Development
    • Mobile App Development
    • IT Services
    • Software Testing
    • Cybersecurity
    • Show more
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

  • Ship Shop

    Build The Right Thing First

    We're an Boston based boutique AI-native consulting and tech studio that partners with early-stage startups, bootstrapped teams, and enterprise innovators to turn ambitious ideas into shipped products in 30 days guaranteed...

    Top Services:

    • AI Development
    • Mobile App Development
    • Web Design
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Burlington, Massachusetts
    Number of Employees
    Under 49
    Average Hourly Rate
    $120/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

  • Ditstek Innovations

    Turning Business Ambition Into AI-Powered Advantage

    DITS is a business consulting and AI transformation company helping startups, SMEs, and enterprises modernize operations, adopt AI, build scalable digital products, and accelerate growth through strategy, engineering, cloud, automation, and global delivery expertise across global markets...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • IoT
    • Business Consulting
    • Show more
    Location
    Mohali, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
    Visit WebsiteView Profile

  • Galekt

    Engineering capabilities that solve today's challenges and scale with you for a better tomorrow.

    Galekt Labs is a software engineering company specializing in remarkable MVP development and reliable product development to transform your ideas into market-ready products faster than traditional development cycles...

    Top Services:

    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Business Consulting
    • Cloud Consulting
    • Show more
    Location
    Ahmedabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $22/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    3.5 3.5 (2)

  • TechMave Software

    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...

    Top Services:

    • Design Services
    • eCommerce Development
    • Web Development
    • AI Development
    • Mobile App Development
    • Show more
    Location
    Noida, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $11/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    5.0 5.0 (30)

  • Claritus Consulting

    Powering Innovation. Enabling Change.

    From design to deployment, Claritus delivers secure, scalable, and user-friendly applications backed by 24/7 support...

    Top Services:

    • Web Development
    • Mobile App Development
    • DevOps Consulting
    • Cloud Consulting
    • IT Services
    • Show more
    Location
    Noida, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    4.1 4.1 (88)

  • KORIX

    Enterprise AI That Actually Works

    KORIX is an AI deployment agency for UK and US service businesses with 20 to 150 staff. We build AI agents that run inside the Salesforce, HubSpot, Microsoft 365 or SAP your team already uses. No new platform, no retainer. 21-day delivery with full source code ownership on Day 22...

    Top Services:

    • AI Development
    • Web Development
    • UI/UX Design
    • Mobile App Development
    • SEO
    • Show more
    Location
    Ahmedabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
    Visit WebsiteView Profile

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Why People Trust DesignRush

Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding application modernization services companies. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.

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Learn more about DesignRush Agency Ranking Methodology.

Sources

DesignRush sustains a directory of over 30,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:

  • Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
  • The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.

Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.

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