Top Application Modernization Services
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$10,000+$25 - $49 / hr10 - 49
Services provided
See all 5 projectsArmara is a company specializing in Enterprise Application Modernization, offering services such as Software Modernization and Digital Transformation. The overall feedback from their reviews is positive, with 100% of reviewers commending their timely project delivery and impressive team dynamics, highlighting their effective communication and seamless project execution. Armara significantly enhanced user engagement, setting new standards in digital asset management.
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Undisclosed$100 - $149 / hr2 - 9Ottawa, Canada
Services provided
See all 9 projectsColdfront Labs is a web development company highly specialized in Drupal-based solutions, offering services ranging from website maintenance to custom application development. Across their reviews, they consistently receive praise for their technical expertise, reliability, and exceptional customer service, with 100% of clients expressing full satisfaction and appreciation for their knowledgeable and proactive approach.
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$10,000+$100 - $149 / hr10 - 49London, England
Services provided
See all 2 projectsCaptivate Solutions Tech Ltd is a company specializing in Enterprise Application Modernization and IT Modernization services. They have received positive feedback, with 100% of clients praising their ability to integrate seamlessly with internal teams and complete projects within budget constraints. Notably, 50% of reviewers highlighted their agile project management and compatibility with existing infrastructure.
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$5,000+$50 - $99 / hr2 - 9Athina, Greece
Services provided
See all 3 projectsApptiva Software is a development company specializing in software solutions, cloud consulting, and automation services. They consistently receive positive feedback, with 100% of reviewers highlighting their technical excellence, timely delivery, and responsiveness. Clients appreciate their industry knowledge, client-centered approach, and ability to enhance operational efficiency, leading to measurable business improvements.
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$5,000+$25 - $49 / hr2 - 9Vila Verde, Portugal
Services provided
See all 3 projects4DEVCODING is a versatile software development company specializing in creating custom web and mobile applications, often with ERP integrations. The company is praised for its flexibility, transparency, and effective communication, reflecting a 100% positive feedback rate. Reviewers consistently highlight their project management skills, dependability, and the ability to adapt to client needs, with 67% noting their effective communication and language adaptability.
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$25,000+$25 - $49 / hr50 - 249Lisboa, Portugal
Services provided
See all 5 projectsOut.Cloud is a specialized DevOps and cloud services company, offering tailored cloud infrastructure, automation, and DevOps solutions. The reviews highlight their expertise, professionalism, and commitment to client success, with 100% positive feedback. Clients appreciate their ability to meet deadlines, integrate seamlessly with teams, and deliver quality solutions, making them a reliable partner for complex cloud and DevOps projects.
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$10,000+$25 - $49 / hr50 - 249
Services provided
See all 2 projectsOrtem Technologies is an app development company noted for its strong communication, knowledge, and understanding of client requirements. All reviewers reported timely delivery of services, with no areas identified for improvement. The company was chosen for its high ratings and good value for cost.
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$5,000+$25 - $49 / hr10 - 49London, England
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See all 1 projectsWazobia Technologies is a web development company known for delivering excellent quality work and meeting project deadlines efficiently. With 100% positive feedback from reviewers, the company is praised for its seamless integration into client teams and effective communication using tools like Slack and Jira.
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$5,000+$25 - $49 / hr50 - 249Mumbai, India
Services provided
See all 9 projectsNeebal Technologies Pvt Ltd is a technology consultancy specializing in mobile and web application development and cloud solutions. Client feedback is overwhelmingly positive, with 100% of reviewers praising their professionalism, dedication, and project management skills. Many clients, such as those from financial services and education sectors, commend Neebal for exceeding expectations and delivering exceptional quality, highlighting their innovative approach and effective communication.
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$10,000+$25 - $49 / hr250 - 999Noida, India
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See all 2 projectsSphinx Worldbiz is a software development company specializing in product design, development, and QA services using technologies like .NET, Angular, and C++. Reviewers commend their adaptability, project management skills, and ability to meet project objectives. Positive feedback is unanimous, with 100% of reviewers highlighting their impressive understanding and execution of complex projects. Overall, Sphinx Worldbiz is praised for reliability and delivering results within budget constraints.
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$100,000+$150 - $199 / hr10 - 49New York, NY
Services provided
See all 4 projectsRose Digital is a versatile software development company that specializes in custom CMS solutions, web-based AR experiences, and cloud computing environments. Their services are highly praised for their flexibility, technical expertise, and ability to innovate, with over 90% of reviewers highlighting their strong project management skills and commitment to deadlines. While some reviews noted areas for improvement in communication and design clarity, the overall feedback is overwhelmingly positive.
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$10,000+$25 - $49 / hr2 - 9London, England
Services provided
See all 4 projectsInCode Systems is a web development company specializing in creating custom digital solutions, including UI/UX design, web development, and CRM integration. The reviews consistently highlight their professionalism, effective communication, and timely delivery, with 100% of reviewers noting satisfaction with their work and adaptability to project needs. Their pricing is also frequently praised as offering good value for cost.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsAlham Webtech is a web development company praised for its exceptional customer service and technical expertise, specializing in creating user-friendly and professional websites. The firm received overwhelmingly positive feedback, with 100% of reviewers mentioning the impressive project outcomes and smooth communication, contributing to a significant increase in client engagement and operational efficiency.
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$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 11 projectsUXDivers is a software development company specializing in UX/UI design and mobile application development. The reviews highlight their expertise in creating intuitive and user-friendly interfaces, with clients praising their project management and communication skills. Approximately 90% of the feedback is positive, emphasizing their ability to handle complex projects and adapt to client needs. Many reviewers commend their attention to detail and the quality of their work, with specific mentions of their proficiency in using technologies like Xamarin and ReactJS. However, a few reviews suggest improvements in documentation and project management structure.
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$1,000+$25 - $49 / hr10 - 49Plano, TX
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See all 11 projectsD3V Technology Solutions is a cloud engineering and DevOps company with expertise in Google Cloud Platform (GCP). They excel in migrating and optimizing infrastructures, developing backend support, and integrating cloud-native solutions. Across multiple reviews, clients commend D3V for their responsiveness, collaborative approach, and commitment, with no negative feedback noted. Approximately 100% of reviewers highlight their exceptional communication and technical proficiency.
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$25,000+$50 - $99 / hr10 - 49Ciudad de México, Mexico
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See all 9 projectsTechnogi is a multifaceted IT services company specializing in software development, CRM integration, and custom solutions for both government and private sectors. Client reviews on Clutch.co highlight their strong project management capabilities, with consistent praise for their commitment and professionalism. Approximately 80% of reviewers commend Technogi for their efficient communication, while about 70% appreciate their ability to understand client needs and deliver satisfactory results.
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$10,000+$50 - $99 / hr10 - 49Gent, Belgium
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See all 1 projectsCyrex Enterprise specializes in custom web application development, offering services in frontend, backend, API, and DevOps. Feedback reflects a 100% positive sentiment, emphasizing their flexibility, professional project management, and strong company culture. Notably, 100% of reviewers highlighted their successful recruitment and resource integration efforts.
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$1,000+$100 - $149 / hr2 - 9Los Angeles, CA
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See all 11 projectsNexeo, a versatile software development company, specializes in UI/UX design, backend systems, and interactive web applications. Their clients consistently praise their ability to deliver projects on time with 100% success, highlighting their proactive communication and creative solutions. With around 90% of reviews emphasizing reliability and personalized service, Nexeo is recognized for enhancing efficiency and fostering client independence.
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$10,000+$25 - $49 / hr10 - 49Prague, Czech Republic
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See all 6 projectsEUROSTUDIO is a versatile software development company that specializes in custom software solutions, web development, and project management tools. Their reviews are overwhelmingly positive, with clients praising their technical expertise, reliability, and effective communication. Approximately 100% of reviewers commend EUROSTUDIO's ability to meet deadlines and deliver quality work. The company is recognized for its proactive approach and dedication to client success.
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$25,000+$25 - $49 / hr10 - 49Córdoba, Argentina
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See all 5 projectsCaramel Point is a software development company known for its expertise in custom application development and integration services, utilizing technologies such as React, Node.js, and AWS. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their excellent communication, project management, and technical skills. Clients consistently highlight Caramel Point's ability to quickly solve issues and deliver high-quality, robust solutions on time and within budget.
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$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 5 projects3e Software House is a comprehensive software development company specializing in full-stack solutions, encompassing both backend and frontend development. The company is highly praised, with an impressive record of delivering projects on time and maintaining high service quality. Over 90% of the reviews highlight their technical expertise, proactive approach, and effective communication. They are frequently commended for their agile methodologies and ability to manage complex projects efficiently.
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$25,000+$50 - $99 / hr50 - 249Kansas City, MO
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See all 1 projectsTricension is a software development company specializing in GUI and front-end development, praised for its flexibility and well-architected solutions. With 100% positive feedback, they are noted for responsive project management and effective communication, consistently delivering value through strong development resources and meeting project goals efficiently.
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$25,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 2 projectsFinbi is a cutting-edge IT company specializing in developing innovative software solutions for businesses across various industries. They are highly praised for their exceptional communication, project management, and focus on customer satisfaction, with 100% of reviews mentioning their commitment to delivering high-quality work on time and within budget. Reviewers commend Finbi for their strong relationships, expertise, and seamless execution of complex projects.
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Undisclosed$25 - $49 / hr50 - 249
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See all 4 projectsKays Harbor Technologies is a software development company offering comprehensive services, including mobile and web app development, software customization, and project management. Overall, reviews highlight their technical expertise and balanced service, with approximately 75% of feedback emphasizing reliability and responsiveness. However, around 25% indicate areas for improvement in project timelines and budget management. Despite these challenges, Kays Harbor Technologies maintains a positive reputation for their professionalism and client communication.
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$10,000+$25 - $49 / hr10 - 49
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See all 4 projectsDevFactori is a mobile and web application development company noted for its excellent project management and technical proficiency. The company consistently delivers projects on time and within budget, as indicated by 100% of reviewers. Clients highlight DevFactori's ability to understand project goals and integrate their own insights, with 75% commending their responsiveness and innovation. While one reviewer noted limited experience with older platforms, overall feedback remains highly positive.
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$10,000+$50 - $99 / hr250 - 999Chicago, IL
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See all 2 projectsProgrammers Beyond IT is a software development company known for its expertise in UX design, CI/CD practices, and delivering high-quality software solutions. Across the reviews, 100% of feedback highlighted their exceptional integration with internal teams, adaptability, and effective communication, with no significant areas for improvement mentioned. Their commitment to partnership and responsiveness is consistently praised, setting them apart in project management and delivery.
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$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 4 projectsFusion IT specializes in services such as staff augmentation and application modernization, providing expertise in software development, testing, and support for enterprise app modernization projects. Reviews highlight Fusion IT's impressive team quality, strong project management, and their ability to achieve significant milestones, underscoring their capability in IT modernization and digital transformation initiatives.
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$1,000+Undisclosed50 - 249Kyiv, Ukraine
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See all 3 projectsZeus Group is a versatile mobile development company specializing in creating and integrating mobile applications with back-end systems. They are praised for their project management skills, communication, and innovative approach, with approximately 90% of feedback highlighting their proactive problem-solving and collaboration. While some reviews mention challenges with communication, clients notably appreciate their ability to provide efficient solutions and maintain quality standards.
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$5,000+$25 - $49 / hr50 - 249Parsippany-Troy Hills, NJ
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See all 2 projectsKorcomptenz Inc is a technology solutions provider specializing in web and platform development, content management, and marketing automation. Their reviews highlight impressive project management, with an ethical and transparent approach, leading to increased client engagement and conversions. The company maintains a balance of corporate quality with a startup mentality, and 100% of reviewers expressed satisfaction with their collaboration.
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$5,000+$50 - $99 / hr2 - 9Menemeni, Greece
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See all 1 projectsDimicro S.A. is a proficient software development company, excelling in creating comprehensive web applications. Feedback highlights their exceptional expertise, with 100% of reviewers praising their project management skills and ability to exceed expectations, ensuring timely delivery and optimized performance. Their technical acumen and architectural skills are consistently lauded, resulting in high-quality, cost-effective solutions without surprise expenses or delays.
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List of the Top 15 Legacy Modernization Services
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$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
36.9/40.019.2/20 Reviews9.9/10 Clients & Experience7.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$5,000+< $25 / hr1,000 - 9,999San Jose, CA
Ability to deliver
35.9/40.016.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
35.4/40.015.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$25,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.2/40.017.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
34/40.015.2/20 Reviews8.8/10 Clients & Experience10/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
37.4/40.017.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
11% Enterprise App Modernization89% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
36.4/40.016.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
32.2/40.015.8/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
34.1/40.016.8/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38/40.018.4/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
37.1/40.017.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$150 - $199 / hr50 - 249Montréal, Canada
Ability to deliver
37.5/40.017.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
35.3/40.016.8/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
35.3/40.017/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
35.1/40.018/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$50 - $99 / hr50 - 249Rybnik, Poland
Ability to deliver
35.1/40.017.2/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr250 - 999Stuttgart, Germany
Ability to deliver
37.9/40.018.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$100 - $149 / hr50 - 249Belfast, Northern Ireland
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.9/40.018/20 Reviews9.6/10 Clients & Experience9.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$25 - $49 / hr50 - 249Melbourne, Australia
Ability to deliver
32.9/40.016.4/20 Reviews8.4/10 Clients & Experience8.1/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$50,000+$50 - $99 / hr250 - 999Palo Alto, CA
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
36.7/40.017/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$50 - $99 / hr250 - 999Warszawa, Poland
Ability to deliver
34.6/40.016/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$250,000+$50 - $99 / hr250 - 999Broomfield, CO
Ability to deliver
37.5/40.017.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$50 - $99 / hr50 - 249Prague, Czech Republic
Ability to deliver
38.5/40.019.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
30.4/40.017.4/20 Reviews8.2/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% Other
Top App Modernization Agencies
App modernization companies upgrade, refactor, or re-platform legacy software so it performs like a modern, cloud-ready application. They begin by auditing the existing codebase, infrastructure, and business requirements, then create a roadmap that might include re-architecting monolithic apps into microservices, containerizing workloads, or migrating databases to scalable cloud environments. Their end goal is to improve performance, security, and maintainability while minimizing downtime.
Most firms deliver a mix of strategic and technical services, such as:
- Legacy code assessment and technical debt analysis
- Re-platforming (e.g., on-prem to AWS, Azure, or GCP)
- Code refactoring and re-architecting into microservices
- API enablement and containerization (Docker, Kubernetes)
- UI/UX refresh and mobile optimization
- Data migration, cleansing, and database modernization
- Ongoing maintenance, DevOps, and cloud cost optimization
Pricing varies widely depending on project scope, complexity, and the tech stack involved. Clutch data shows most engagements range from $50,000 to $500,000 overall, with hourly rates between $75 and $200. Lighter projects like a UI facelift or limited refactoring tend to fall near the lower end, while full re-architectures involving cloud migration, data overhaul, and strict compliance can exceed $1 million. Always request a detailed proposal that outlines costs for discovery, development, testing, and support.
When choosing the best right app modernization for your business, consider these:
- Review expertise: Look for case studies that mirror your tech stack (Java, .NET, PHP) and industry compliance needs.
- Check client feedback: Verified Clutch reviews reveal how the team communicates, hits deadlines, and handles setbacks.
- Evaluate methodology: A strong partner will propose a phased approach that includes assessment, pilot, and rollout stages, each with clear success metrics.
- Validate certifications: Cloud partnerships (AWS, Microsoft, Google) signal deep platform knowledge.
- Assess cultural fit: Long projects require easy communication, mutual trust, and shared time zones or overlap.
These are some of the red flags that you should watch for when hiring an app modernization company:
- Guaranteed timelines before an audit: Accurate estimates require a code and infrastructure review.
- Lack of documentation: If they won’t commit to architecture diagrams, test plans, or knowledge transfer, future maintenance may suffer.
- One-size-fits-all solutions: Forcing every project onto a single cloud or framework can indicate limited expertise.
- Poor security practices: Outdated OWASP knowledge or no DevSecOps pipeline is a deal-breaker for critical systems.
- Minimal client references: A reputable firm should readily provide recent, relevant references.
Here are some questions you can ask app modernization companies before hiring them:
- Which modernization strategies (rehost, refactor, re-architect) do you recommend for our stack, and why?
- Can you share success metrics from similar projects—e.g., performance gains or cost reductions?
- What is your approach to minimizing downtime during migration?
- How will you ensure code quality and security (tooling, peer reviews, automated testing)?
- What support and knowledge-transfer do you provide after launch?
- How do you handle scope changes and unforeseen legacy issues?
Partnering with specialists accelerates time-to-value. Experienced teams bring proven frameworks, automation toolchains, and cloud partnerships that help reduce risk and shorten migration windows. Businesses often benefit from faster performance, lower maintenance costs, improved security compliance, and easier feature releases, all without overburdening internal teams.
A freelancer may handle small refactoring tasks cost-effectively but often lacks the resources for large-scale audits, DevOps, and 24/7 support. Agencies provide multidisciplinary teams including architects, developers, QA specialists, DevOps engineers, and project managers who can deliver end-to-end transformations with enterprise-grade SLAs.