How We Selected the Top Application Modernization Companies

To select the top Application Modernization companies, we have followed the steps below.

• Proven Industry Experience: We have analyzed the Application Modernization company's successful track record, validated by case studies and client reviews. They should have demonstrated a strong track record of delivering complex, enterprise-grade modernization projects across various industries.
• Range of Services: We have mentioned Application Modernization companies that offer end-to-end modernization services, including legacy system Security assessment, refactoring, cloud migration, API enablement, and security modernization.
• Security and Compliance: We have prioritized Application Modernization companies that ensure modernization does not compromise data security or regulatory requirements.
• Client Feedback: We have verified reviews and ratings from trusted platforms such as Clutch to assess performance, reliability, and service quality.
• Innovation and Future Readiness: We have prioritized Application Modernization companies that are ready to adopt cutting-edge technologies. AI, containers, and low-code platforms to ensure future-proof modernization solutions.
• Pricing: We have assessed the Application Modernization companies that show clear pricing or hourly rates on Clutch. Their structure should be transparent and should have no hidden fees.

Top Application Modernization Companies

1. Entrans

Entrans is an AI-first digital engineering partner that helps enterprises drive digital transformation. They help businesses to modernize legacy systems and adopt intelligent automation to improve efficiency and scalability.

Key Services of Entrans

• Assessment and Discovery: Entrans audits the legacy application, its dependencies, measurable ROI analysis, and calculates technical debt scoring. We check for cloud readiness and architecture evaluation. This has caused a 45% reduction in workflows for a global insurer.
• Modern architecture Design: We define a modernization blueprint rooted in business outcomes, which is focused on microservices and API-first architectures. We use event-driven design and utilize containerization and serverless enablement.
• Replatforming and Refactoring: We provide AWS application modernization services like cloud migration to Azure or GCP. We refactor monoliths into modular services and data layer modernization with real-time streaming pipelines.
• Automation and governance: We implement modern DevOps practices with CI/CD automation for builds and deployments, along with embedded observability, cost optimization, and DevSecOps for security and compliance.
• UI/UX Revamp: We enhance the user experience with modern, responsive design and interfaces that align with the current digital standards.
• Ongoing support: Entrans provides continuous monitoring, support, and iterative modernization to align with business goals.

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2. Cognizant

Cognizant is a global IT software company that specializes in digital transformation and technology modernization. 

Key Services of Cognizant

• Cognizant provides end-to-end core Modernization services that cover mainframe modernization, refactoring old code to modern languages, and data modernization. 
• They implement DevOps and AIOps (AI for IT Operations) using its Cognizant Flowsource and Neuro platform. 
• Cognizant utilizes proprietary platforms like Cognizant Skygrade and Cognizant Neuro AI to automate and accelerate the shift of applications to cloud-native architectures.

3. Accenture

Accenture is a leading Information Technology (IT) and management consulting company. They deliver cloud value by combining an AI-first intelligent transformation strategy with industry experience.

Key Services of Accenture

• Accenture uses AI and Agentic-powered transformation by integrating Generative AI and Agentic AI throughout the SDLC lifecycle to automate discovery, code conversion, and testing.
• They implement DevOps, DevSecOps, and Platform Engineering in a modern and cross-functional operating model.

4. IBM

IBM is an IT consulting company that focuses on delivering hybrid cloud and AI solutions for enterprises. They modernize critical applications using Red Hat OpenShift and AI-powered automation tools.

Key Services of IBM

• IBM excels at modernizing applications for a hybrid cloud environment for containerization, orchestration, and standardization across public, private, and on-premises infrastructure.
• IBM offers services like automated code conversion, re-platforming, and integrating these systems with modern cloud services and APIs.
• Through intelligent automation platforms and tools, they analyze legacy code, map dependencies, and accelerate modernization practices.

5. ScienceSoft

ScienceSoft is a global IT consulting and custom software development company with over 20 years of experience. They provide services like application modernization, cloud migration, data analytics, cybersecurity, and custom software development.

Key Services of ScienceSoft

• Sciencesoft specializes in re-engineering applications built on legacy languages and implementing containerization for scalability and deployment efficiency.
• Their core service is migrating applications to the cloud using advanced strategies like re-coding/re-architecting. Through this, they achieve improved availability and reduce the cost.
• ScienceSoft insists on a user-friendly interface and integrates modern development practices like DevOps, CI/CD, and mobile enablement.

6. Tata Consultancy Services (TCS)

TCS is one of the biggest IT companies in India that employs a machine-first and AI-powered approach. Through TCS MasterCraft, they automate discovery, code conversion, and the migration process to a cloud-native ecosystem.

Key Services of TCS

• TCS uses its proprietary platform, MasterCraft TransformPlus, to automatically analyze, refactor, and convert large volumes of legacy code.
• TCS mainly moves applications to the cloud and re-architects them into highly scalable, modular Microservices and Serverless architectures. 
• They provide end-to-end digital engineering services by implementing a robust DevOps and DevSecOps operating model. 

7. Infosys

Infosys is one of the big IT giants in India that provides applications modernization services by adopting a cloud-agnostic, digital-native approach. They use modern cutting-edge technologies to rapidly replatform and re-architect legacy applications.

Key Services of Infosys

• Infosys focuses on modernizing core systems by breaking their functionality through modern APIS. This enables integration of legacy data into new digital channels.
• Infosys embeds AI and automation across the modernization process, starting from assessment and code analysis to implementation of mature DevOps, DevSecOps, and SRE practices.

8. Deloitte

Deloitte is one of the Big Four accounting firms that deliver cloud-enabled business transformation by migrating and modernizing the core systems.

Key Services of Deloitte

• Deloitte uses CloudPath methodology to assess, plan, and execute complex migrations, focusing on getting measurable results.
• They make use of advanced cloud-native architectures and establish platform engineering practices. 
• Deloitte specializes in modernizing critical applications and highly regulated systems, including legacy mainframe applications. 

9. DXC Technology

DXC Technology is a leading global IT services company that focuses on helping enterprises run and modernize their mission-critical systems. They are well-known for their expertise in hybrid cloud and application services.

Key Services of DXC Technology

• DXC Technologies specializes in the entire lifecycle of mainframe modernization, starting from re-hosting and re-platforming to automated code conversion.
• They provide comprehensive services for migrating and modernizing enterprise applications to public, private, and hybrid clouds.
• DXC implements a modern digital engineering approach and other practices to industrialize the software delivery pipeline.

10. Simform

Simform is a product-engineering and digital transformation company headquartered in Florida. They are well known for helping organizations with cloud-native architectures, agile engineering, and scalable digital experiences.

Key Services of Simform

• Simform specializes in handling end-to-end cloud migration services that include 3Rs (Rehosting, Replatforming, and Rearchitecting) to move legacy logic and code to a new cloud-native platform.
• Simform implements modern practices like DevOps, CI/CD, and Infrastructure as Code (IaC) and specializes in architectural patterns.

Core Services Provided by Leading Application Modernization Companies

Application Modernization companies provide a comprehensive suite of services that cover the entire transformation lifecycle from initial analysis to post-deployment support. Their core services include

• Consulting and Strategy: Application Modernization Companies analyze existing legacy systems and assess technical debt, calculate the total Cost of Ownership (TCO), and evaluate business value to determine the optimal strategy. They provide guidance on cloud readiness and long-term modernization strategies.
• Legacy code Refactoring and Re-architecturing: Application Modernization companies upgrade the core application code, migrating outdated programming languages and frameworks to modern stacks. They decompose monolithic applications into microservices or modular components. Thereby, they improve maintainability, scalability, and cost efficiency.
• Cloud migration: One of the main services offered by the Application Modernization company is moving applications and workloads to a cloud environment. They leverage scalability, flexibility, and cost efficiency.
• DevOps and CI/CD: A good Application Modernization company ensures implementation of DevOps practices and continuous integration/delivery CI/CD) pipeline to accelerate development and deployment.
• UI/UX Modernization: Application Modernization companies take up the stand to improve the customer experience. They redesign outdated user interfaces (UIs) to be intuitive, responsive, and compatible across platforms.
• Security and Compliance: Application Modernization company enhances security through modern practices and tools, through multi-factor authentication. They ensure that it is aligned with regulatory compliance.

How to Choose the Best Application Modernization Company for Your Needs

Choosing the best application modernization company involves a strategic evaluation process to align with business goals. The factors to be considered are

• Define Clear Business Objectives: Understand the primary goal for modernization, such as improving scalability, reducing costs, integrating AI or data platforms, or enhancing user experience.
• Evaluate technical expertise: Look for an Application Modernization company that has deep experience with relevant technologies like cloud platforms, microservices, containerization, DevOps, and AI.
• Breadth of Services: Focus on the Application Modernization services offered by the Application Modernization company, such as assessment, re-architecturing, cloud migration, API enablement, and post-modernization maintenance.
• Security and Compliance: Choose Application Modernization companies that adhere to industry security standards, such as ISO, SOC2, HIPAA, to safeguard data and operations during modernization.
• Client feedback: Review the Application modernization company’s feedback on major platforms such as Clutch. Ask the client for references to check their communication, support, and success rates.

Future Trends in Application Modernization

Application modernization has moved a long way beyond cloud migration. It is now taking steps to improve efficiency.

• AI-Driven Modernization: AI is used to analyze legacy code, automate refactoring, generate tests, and accelerate migration efforts. Thereby, they overall reduce the manual effort, lower risk, and boost speed in modernization projects.
• Platform and Architectural Evolution: Application modernization will adopt more microservices, containers, and orchestration platforms like Kubernetes to enable scalable, resilient, and flexible cloud ecosystems. The focus is shifting from monolithic to highly compositional architectures.
• Hybrid and multi-cloud Strategies with Edge Computing: Multi-cloud strategies will be the biggest advantage when doing modernization. Being compatible with cloud models will avoid vendor lock-in and can support both in the cloud and on-premises.
• Serverless and Event-Driven Architecture: Applications will shift towards serverless computing to minimize infrastructure management overhead, combined with event streaming architecture for responsive, loosely coupled systems.
• Low-Code/No-code platforms: Low-code/no-code platforms are enabling faster modernization of customer-facing apps by non-traditional developers. This trend in the future will alleviate developer skill shortage and accelerate time-to-value.

Why Choose Entrans as Your Application Modernization Partner?

Application modernization determines the success of your digital transformation journey. To achieve long-term success in this, partnering with an application modernization partner like Entrans will enable your business to stay future-ready. 

Entrans provides you with access to proven frameworks, faster time-to-market, and long-term operational efficiency. With our proven experience in transforming outdated systems into modern solutions, we ensure your systems remain scalable and secure. We have migrated 200+ applications to the cloud, achieving 50% lower TCO and zero downtime.

Learn more about how we make faster deliveries and stay ahead of the competitive market. Book a 20-minute free consultation call.