Top Legacy System Modernization Companies

A high-performing Legacy System Modernization solution can accelerate growth, boost customer engagement, and create new revenue streams—but only if it's built by a team you trust. Edverise makes it easy to connect with leading Legacy System Modernization companies around the globe. Providers and reviews are vetted extensively to ensure that we capture verified client feedback, project details, and measurable results. Use Edverise's filters to sort partners by budget, industry expertise, and location. Start comparing profiles to find the right match for your project.

Ratings Updated: August 8, 2026

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4,444 Companies

List of the Best Legacy System Modernization Agencies

Code SquirrelProfile set up by Edverise AI
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Code Squirrel is a bespoke software development company located in Brisbane, Australia. Our emphasis is on innovative solutions, creating applications that enhance efficiency, provide greater flexibility, and seamlessly integrate with your business workflows.
Highlights
$1,000+
Min Project Size
100-149
Avg Hourly Rate
10-49
Employees
Eight Mile Plains, Queensland, Au
Services Provided+7 Services
40% Custom Web Application Development
15% E-Commerce Development
10% Legacy System Modernization
35% Mobile App Development (iOS & Android)
AI Summary
“Code Squirrel, based in Brisbane, delivers tailored software solutions integrating custom development, UX/UI design, and AI-driven technologies to enhance business efficiency and flexibility.”
MobilePunditsProfile set up by Edverise AI
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Mobilepundits is a prominent company specializing in custom app development and testing. We have extensive expertise across leading mobile platforms such as iPhone, iPad, Android, Windows Phone, as well as cross-platform technologies like PhoneGap and Sencha Touch. Our quality and processes are ISO
Highlights
<25
Avg Hourly Rate
10-49
Employees
Services Provided+3 Services
15% Custom Web Application Development
60% Mobile App Development (iOS & Android)
20% QA & Software Testing
5% Legacy System Modernization
AI Summary
“MobilePundits specializes in custom mobile app development and testing across major platforms, delivering quality ISO-certified solutions with offshore expertise, serving diverse industries worldwide.”
One TerraceProfile set up by Edverise AI
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We collaborate closely with our clients to create services through extensive support. One Coding, part of the One Terrace ecosystem, is a globally recognized company comprised of talented professionals who aim to exceed client expectations. We deliver a wide range of development services for your bu
Highlights
$1,000+
Min Project Size
50-99
Avg Hourly Rate
10-49
Employees
Minato City, Tokyo, Jp
Services Provided+3 Services
50% Custom Web Application Development
40% Mobile App Development (iOS & Android)
10% Legacy System Modernization
30% Product UX Strategy
AI Summary
“One Terrace delivers comprehensive design, development, and maintenance services, including web, app, enterprise systems, and e-commerce, leveraging innovative solutions to support client success globally.”
Zero21Profile set up by Edverise AI
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We assist entrepreneurs in turning their ideas into software solutions that meet market demands and generate revenue. Our comprehensive A to Z service caters to entrepreneurs and startups, thanks to our exceptional team of product managers, UI/UX specialists, and engineers. Our approach includes: sp
Highlights
$5,000+
Min Project Size
100-149
Avg Hourly Rate
10-49
Employees
Tel Aviv-Yafo, Il
Services Provided+2 Services
45% Mobile App Development (iOS & Android)
50% Custom Web Application Development
5% Legacy System Modernization
40% Product UX Strategy
AI Summary
“Zero21 is an Israeli company offering end-to-end services including product research, UI/UX design, and software development to transform entrepreneurial ideas into market-ready digital solutions.”
PureSoftwareProfile set up by Edverise AI
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PureSoftware is a company that provides software products and services aimed at enhancing customer experiences, speeding up processes, and improving business results by integrating digital solutions, robotic process automation, artificial intelligence, machine learning, and the Internet of Things (I
Highlights
250-999
Employees
Noida, Uttar Pradesh, In
Services Provided+7 Services
25% Custom Web Application Development
20% Mobile App Development (iOS & Android)
25% Backend Development
15% Blockchain & Web3 Development
AI Summary
“PureSoftware delivers advanced digital solutions, integrating AI, IoT, and automation to enhance business efficiency, notably through its fintech platform 'Arttha' for banking and wallets.”
Firstdev studioProfile set up by Edverise AI
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We are a specialized outsourcing firm that focuses on comprehensive web and mobile application development. Our team is made up of senior engineers and architects who possess 10–15 years of practical experience in creating scalable, high-performance digital products for startups, growing businesses,
Highlights
25-49
Avg Hourly Rate
2-9
Employees
Services Provided+2 Services
35% Custom Web Application Development
15% QA & Software Testing
10% Legacy System Modernization
30% Mobile App Development (iOS & Android)
AI Summary
“Firstdev studio is an outsourcing firm specializing in scalable web and mobile application development, delivering secure, maintainable digital products through experienced engineers and long-term client partnerships.”
Imigap Pvt LtdProfile set up by Edverise AI
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Imigap Ltd is a cutting-edge software company focused on delivering high-quality digital products globally. Whether you need Android and iOS mobile applications, websites, or sophisticated business management tools and tailored digital solutions, Imigap can provide dependable answers for any needs y
Highlights
$1,000+
Min Project Size
<25
Avg Hourly Rate
10-49
Employees
Galle, Southern, Lk
Services Provided+6 Services
15% Frontend Development
10% Legacy System Modernization
15% Backend Development
25% Custom Web Application Development
AI Summary
“Imigap Pvt Ltd delivers customized software, AI-driven solutions, and innovative UI/UX design, providing reliable, high-quality digital products and services for diverse global industries.”
OmnifIT d.o.o.Profile set up by Edverise AI
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Founded in 2020, OmnifIT is an energetic IT company located in Varaždin, Croatia. We challenge the conventional characteristics of typical IT firms by bringing together a dedicated and creative team focused on turning obstacles into solutions and transforming ideas into valuable outcomes. Our Core V
Highlights
$5,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Varazdin, Hr
Services Provided+3 Services
30% API Development & Integration
60% Custom Web Application Development
10% Legacy System Modernization
60% IT Staff Augmentation
AI Summary
“Founded in 2020, OmnifIT d.o.o. is a Croatian IT firm specializing in tailored software development through agile and waterfall methods, emphasizing teamwork, client collaboration, and delivering comprehensive solutions.”
MultisolutionProfile set up by Edverise AI
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We are a small, high-quality development team specializing in .NET and Flutter, located in Egypt. We focus on providing comprehensive software solutions for businesses. Our team consists of three senior developers with expertise in the following areas: - Backend & APIs: .NET Core / .NET 8+, Entity
Highlights
25-49
Avg Hourly Rate
2-9
Employees
Services Provided+3 Services
20% Custom Web Application Development
20% Mobile App Development (iOS & Android)
15% API Development & Integration
5% E-Commerce Development
AI Summary
“Multisolution is a compact expert team from Egypt specializing in .NET and Flutter for comprehensive software solutions including ERP, APIs, and mobile apps, serving global clients efficiently.”
Sii PolandProfile set up by Edverise AI
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Sii Poland is the top provider of technology consulting, digital transformation, engineering, and business services in the country. We began as a solo startup in 2006 and have now grown to a team of over 7,500 professionals, with 14 offices in Poland and 3 international locations (Sweden, Ukraine, I
Highlights
1000-9999
Employees
Warszawa, Masovian, Pl
Services Provided+9 Services
40% API Development & Integration
25% Legacy System Modernization
35% Custom Web Application Development
30% UX Research & Usability Testing
AI Summary
“Sii Poland is a leading technology consulting and engineering firm, delivering digital transformation and business services across diverse industries with a global team of over 7,500 experts.”

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