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

51 Companies-Rankings updated: October 18, 2026
Application Modernization
Energy & Mining
$10,000 - $25,000
Sort by: Sponsored

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

Application Modernization Services × Energy & Mining × $10,000 - $25,000 ×Clear Filters

  • Brainstack Technologies (Aqueduct Advisors Pvt. Ltd.)

    Software engineering & technical excellence that ships as production code, not slide decks.

    Brainstack Technologies is a services-based software development company that builds production-grade web, data, cloud, and AI applications for clients across the US, Europe, and APAC. Operating since 2016 from Delhi NCR with a Melbourne delivery office, we pair senior offshore engineering with onshore...

    Top Services:

    • Software Development
    • Web Development
    • Web Design
    • eCommerce Development
    • Mobile App Development
    • Show more
    Location
    New Delhi, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

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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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Every agency is independently vetted before it can be listed or ranked

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Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
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2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
48%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
51
Google4.8102 reviewsTrustpilot4.8308 Reviews

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

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