Top Application Modernization Services
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$10,000+$25 - $49 / hr10 - 49Praha, Czech Republic
Services provided
See all 8 projectsKOALA42 is a software development company specializing in web and mobile applications, system integrations, and cloud-based solutions. Reviewers frequently commend their professionalism, agility, and timely delivery, with 100% of the feedback highlighting their exceptional communication and user-focused approach. Clients consistently express satisfaction with KOALA42's ability to exceed expectations and meet project deadlines effectively.
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$10,000+$50 - $99 / hr10 - 49Sacramento, CA
Services provided
See all 11 projectsPrestige Development Group is a recruitment and talent acquisition company specializing in sourcing candidates for technical and senior roles across various industries. The company consistently receives positive feedback, with approximately 100% of reviewers expressing satisfaction with their professionalism, effective workflow, and ability to meet challenging hiring requirements in a timely manner. Their adaptability and commitment to understanding client needs are frequently highlighted as key strengths.
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$5,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
Services provided
See all 11 projectsSprinterra is a versatile software development company offering services in web application development, cloud-based system architecture, and custom CRM systems. Reviewers consistently commend Sprinterra for their project management, communication, and ability to deliver high-quality solutions on time, even under challenging circumstances. Notably, 100% of reviewers mentioned positive experiences, with frequent praise for their technical expertise, reliability, and adaptability, demonstrating their effectiveness in meeting diverse client needs.
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$50,000+Undisclosed1,000 - 9,999Hyderabad, India
Services provided
See all 6 projectsCigniti Technologies Inc. is a company specializing in independent quality engineering and testing services, including functional, automation, regression, and performance testing. With a strong focus on delivering high-quality services, they have consistently impressed clients with their technical capabilities and adherence to project timelines. Approximately 95% of clients note their impressive commitment to quality and effective collaboration, although there's room for improvement in development services.
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$5,000+$100 - $149 / hr10 - 49Toronto, Canada
Services provided
See all 4 projectsCreme Digital is a versatile web development company, specializing in app development, branding, UX/UI design, and MVP platform creation. Across the reviews, 75% of clients highlight their efficient project management and design expertise, although some suggest they could enhance their strategic recommendations for long-term projects. Overall, Creme Digital is praised for their responsiveness, value for cost, and collaborative approach.
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$5,000+$100 - $149 / hr10 - 49Palmerston North, New Zealand
Services provided
See all 2 projectsNodero is a software development company specializing in building complex, customized software solutions across various industries. The reviews indicate a strong emphasis on effective project management, high-quality deliverables, and excellent interpersonal communication, with around 90% of reviewers highlighting the team's professionalism and adaptability. However, a few clients have noted a desire for increased transparency in project progress updates.
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$5,000+< $25 / hr50 - 249Karachi, Pakistan
Services provided
See all 4 projectsHexalyze Consulting Services specializes in Enterprise Application Modernization, offering comprehensive ERP implementation, training, and support. With 100% positive feedback, clients commend their professionalism, effective project management, and timely communication. Notably, 100% of reviewers highlight their expertise in software services, while 100% suggest expanding their product offerings to include cloud and cybersecurity solutions for a holistic digital transformation.
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$5,000+$25 - $49 / hr10 - 49Chennai, India
Services provided
See all 8 projectsSiam Computing is a versatile technology services company specializing in web development, software development, and custom solutions, as highlighted by their engagement with diverse sectors, including healthcare, education, and real estate. The reviews demonstrate an 80% positive sentiment, with clients appreciating their professional project management and commitment to deadlines. Approximately 60% of reviewers commend Siam Computing's collaborative approach and technical expertise, indicating their capability to align with client values and project needs. Potential areas for improvement include enhancing resource transparency and refining communication processes.
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$25,000+$25 - $49 / hr10 - 49Burgas, Bulgaria
Services provided
See all 3 projects42px is a software development company specializing in front-end development with expertise in React and Typescript. The company consistently meets client expectations, with 100% of reviewers noting successful project outcomes such as timely delivery and bug-free implementations. Clients praise their agile project management approach, highlighting seamless integration with existing teams and effective communication throughout the project lifecycle.
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$25,000+$25 - $49 / hr250 - 999
Services provided
See all 1 projectsEvolve Blue is a web development and SEO company known for creating mobile-responsive websites and managing search engine optimization to improve client visibility. According to reviews, 100% of clients report increased business and satisfaction with their services, highlighting the team's patience, transparency, and effective communication. The company fosters ongoing relationships and delivers impactful results, with no reported areas for improvement.
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$10,000+Undisclosed1,000 - 9,999Princeton, NJ
Services provided
See all 1 projectsNeurealm is a technology services company specializing in Salesforce upgrades and enhancements. Reviews indicate 100% positive feedback, highlighting their technical expertise and professional conduct. Clients are impressed by their ability to deliver projects on time and within budget, with no areas for improvement noted.
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$50,000+$100 - $149 / hr10 - 49Philadelphia, PA
Services provided
See all 9 projectsOpenForge is a mobile app development company specializing in hybrid app solutions using platforms like Ionic. Across numerous client reviews, OpenForge is consistently praised for their expertise, communication, and project management skills, with over 90% of reviews highlighting their responsiveness and ability to meet deadlines. Clients frequently commend their collaborative approach, thoroughness in testing, and commitment to delivering high-quality, functional products.
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$10,000+$25 - $49 / hr50 - 249Ahmedabad, India
Services provided
See all 5 projectsViitorCloud is a versatile technology service provider specializing in custom software development, web development, and branding services. The company is recognized for its professionalism, adaptability, and responsiveness, with 100% of reviewers commending their effective communication and timely project delivery. Areas for improvement include upfront cost communication and proactive problem-solving. Overall, ViitorCloud is praised for its technical expertise and human values.
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$25,000+$25 - $49 / hr10 - 49Chicago, IL
Services provided
See all 8 projectsTwinCore offers services such as web-based software development, design, support, and enhancement, with a strong focus on Application Modernization and IT Modernization. Feedback consistently highlights their on-time, on-budget delivery, exemplary service, and impressive knowledge and experience, making them a reliable partner for digital transformation projects.
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$5,000+$25 - $49 / hr10 - 49Ho Chi Minh City, Vietnam
Services provided
See all 12 projectsSosene Software is a versatile software development company specializing in custom solutions for education, e-commerce, and administrative applications. Their reviews reflect a strong commitment to customer satisfaction, with 100% of clients praising their proactive communication and timely delivery. While some reviewers suggest improvements in communication from developers, 90% commend their professional management and technical expertise.
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$1,000+$100 - $149 / hr2 - 9Memphis, TN
Services provided
See all 1 projectsWintellisys, Inc. is an IT services company specializing in managing IT infrastructure and cloud solutions. The reviews highlight their ability to deliver enterprise-class services, with 100% positive feedback on their dependable project management and cost-effective solutions. Clients appreciate their focus on essential services without upselling unnecessary products.
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$1,000+< $25 / hr10 - 49
Services provided
See all 2 projectsFlaminTech LLP is a web and application development company specializing in custom eCommerce solutions. Their client feedback is overwhelmingly positive, with reviewers appreciating their timely delivery and user-friendly UI. Notably, 100% of reviewers mentioned the outstanding quality of their deliverables, highlighting a commitment to excellence and customer satisfaction.
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Undisclosed$25 - $49 / hr250 - 999Beijing, China
Services provided
See all 2 projectsShinetech Software Inc. is a software development company recognized for delivering applications and offering UI/UX design for complex projects. Feedback highlights their cultural fit, effective project management, and good value, with 100% of reviewers noting their successful delivery of functional software. Some feedback suggests potential improvements in design and management, yet they remain praised for their professionalism and pricing.
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$5,000+$25 - $49 / hr50 - 249The Woodlands, TX
Services provided
See all 5 projectsWebCreek is a versatile software development company offering expertise in branding, web development, and mobile app solutions. According to reviews, 100% of clients commend their effective project management and technical quality, often highlighting their customer-centric approach and adherence to deadlines. Additionally, 75% of reviewers emphasize their adaptability and responsiveness to feedback, ensuring project success and client satisfaction.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
Services provided
See all 6 projectsCodesClue Technologies is a software development company known for creating custom software solutions that streamline operations and improve data visibility. With 100% positive feedback, clients commend their efficient project management, timely delivery, and excellent understanding of industry-specific challenges. Multiple reviewers highlight their ability to deliver practical, scalable solutions that align with business needs.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
Services provided
See all 8 projectsPanth Softech is a versatile software development company providing services such as Dynamics 365 CRM development, ETL data solutions, and IoT hardware and app design. The company is praised for its strong communication, professionalism, and promptness, with over 80% of clients highlighting their effective collaboration and responsiveness. Some reviews noted areas for improvement in communication and quality control, but overall satisfaction remains high.
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Undisclosed$50 - $99 / hr2 - 9
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See all 1 projectsUbisource is a talent acquisition company renowned for providing nearshore sourcing solutions and aligning candidates with cultural and business needs. They consistently deliver high-quality resources promptly, with 100% of reviews highlighting their dependability and cultural alignment. Clients appreciate their thoroughness and minimal oversight requirements, with no areas identified for improvement.
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$10,000+$25 - $49 / hr50 - 249
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See all 4 projectsErbis is a comprehensive cloud services provider specializing in full-stack development, business analysis, and database management. Reviews indicate strong technical expertise and proactive project management, with 100% of reviewers noting their exceptional communication and partnership approach. While some initial solutions required adjustments, overall satisfaction with Erbis' adaptability and commitment to quality is consistently high.
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UndisclosedUndisclosed50 - 249Mississauga, Canada
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See all 1 projectsVeriday is a digital solutions company specializing in website development and DevOps services. Reviews highlight their adaptability, expertise, and effective communication, with 100% of feedback mentioning their commitment to project milestones and cost performance. Their ability to align with client goals and deliver value makes them a favored choice among clients.
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UndisclosedUndisclosed50 - 249Cockeysville, MD
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See all 1 projectsRDA is a distinguished web development company, specializing in Sitecore CMS solutions. Their reviews consistently highlight exceptional project management skills, seamless collaboration, and profound expertise in Sitecore, with 100% positive feedback emphasizing their professional approach and ability to anticipate and resolve issues effectively. Clients particularly appreciate their proficiency in creating intuitive, mobile-compatible websites that enhance user engagement and satisfaction.
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$10,000+$25 - $49 / hr10 - 49București, Romania
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See all 1 projectsDevsReady is a technology consultancy specializing in delivering secure and scalable digital banking platforms for corporate clients. The company received overwhelmingly positive feedback, with reviewers praising their strong project management, effective communication, and technical expertise. Approximately 90% of comments highlighted their practical, business-oriented approach and alignment with client values, with no significant areas for improvement noted.
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$10,000+Undisclosed50 - 249Sydney, Australia
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See all 1 projectsXAM is a software development company specializing in mobile app development, particularly utilizing Xamarin architecture. The company receives overwhelmingly positive feedback, with clients praising their comprehensive skillset and effective project management. Approximately 80% of reviewers highlight XAM's ability to deliver functional solutions that align with customer preferences, emphasizing their flexibility and resourcefulness in handling complex development processes.
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$5,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 3 projectsSavangard is a technology solutions company specializing in identity and access management, electronic workflow systems, and payment infrastructure. Overall, they receive positive feedback, with clients praising their technical expertise, communication, and project management. Approximately 100% of reviewers highlight their professional approach and timely delivery, with no significant areas for improvement mentioned.
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$5,000+< $25 / hr10 - 49Kolkata, India
Services provided
See all 6 projectsBlue Copper Technologies Pvt Ltd is a custom software development company known for delivering high-quality applications across diverse industries, including fashion, accounting, insurance, and legal services. Their expertise in creating geo-location apps, web interfaces, and custom platforms is reflected in their clients' satisfaction, with approximately 90% of feedback being positive. Clients commend their project management skills, responsiveness, and dedication, though some mention challenges due to geographical differences.
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$5,000+$50 - $99 / hr10 - 49
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See all 1 projectsJazzTeam LLC is a software development company noted for its professional and agile approach to creating web applications and SaaS services. Client reviews indicate a high level of satisfaction, with 100% positive feedback highlighting their effective communication, timely delivery, and strong alignment with client objectives. Clients praise the team's discipline, proactivity, and impressive results, enhancing business processes and ensuring data security.
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List of the Top 15 Legacy Modernization Services
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$5,000+< $25 / hr1,000 - 9,999
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 - 999Miami, FL
Ability to deliver
38.1/40.019/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
25% Enterprise App Modernization75% 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+$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 -
$25,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35/40.017/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
45% Enterprise App Modernization55% 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 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
37.3/40.017.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$25 - $49 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
32.7/40.018/20 Reviews9.8/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% 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 -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
36/40.016.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
37.6/40.017.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
11% Enterprise App Modernization89% 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 -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
36.9/40.017/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% 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 - 249Warszawa, Poland
Ability to deliver
38.3/40.019.2/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
33.3/40.016/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$50 - $99 / hr50 - 249Prague, Czech Republic
Ability to deliver
39.2/40.020/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
35.1/40.016.8/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$100 - $149 / hr50 - 249Belfast, Northern Ireland
Ability to deliver
37/40.017.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
34.9/40.017.8/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$75,000+$50 - $99 / hr50 - 249Marlborough, MA
Ability to deliver
38.9/40.020/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
10% Enterprise App Modernization90% 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 -
$10,000+$25 - $49 / hr10 - 49Ahmedabad, India
Ability to deliver
37.4/40.018.4/20 Reviews9.6/10 Clients & Experience9.5/10 Market PresenceService focus
20% Enterprise App Modernization80% 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.