Best 8 Software Modernization Companies for Healthcare Platforms 2026
A good modernization partner tells you what NOT to rewrite. That’s the tell. Anyone can pitch a full replatform – the harder, more valuable skill is reading a codebase built on ASP.NET Web Forms or WinForms and figuring out which modules can be lifted into microservices, which need a wrapper, and which are fine for another three years.
Healthcare and fintech platforms carry extra weight here: HIPAA audits, uptime commitments, legacy integrations with claims systems or core banking rails that can’t go dark mid-migration. Finding the right team means separating firms that actually do staged modernization from ones that default to “rebuild it all” because that’s the only playbook they know. Assessment depth, migration track record on the specific stack you’re running, and how a vendor handles live-system cutover are the criteria that actually separate the two.
| Company | Best for | Pricing |
| Keyhole Software | Java and .NET modernization for mid-size US teams | Mid-range, quote-based |
| Cognizant | Enterprise-wide legacy transformation programs | Premium, quote-based |
| Leobit | Staged .NET, AngularJS, and Xamarin modernization without a full rewrite | Mid-range, quote-based |
| ScienceSoft | Compliance-heavy healthcare and fintech re-platforming | Mid-range, quote-based |
| Infosys | Large-scale core banking and insurance modernization | Premium, quote-based |
| Capgemini | Multi-year digital transformation across global operations | Premium, quote-based |
| HCLTech | Infrastructure-heavy modernization bundled with managed services | Premium, quote-based |
| SoftServe | Cloud-native re-architecture for mid-market product teams | Mid-range, quote-based |
How I Narrowed the Field
I started from a working list of firms I’ve tracked across past modernization projects, then cut it down by what each one actually shows, not what they claim. If a services page buried its migration process behind “digital transformation” language with no mention of a specific legacy stack, I moved it down the list fast.
Published case studies mattered more than marketing copy. I looked for named metrics, migration paths (Web Forms to Angular, AngularJS to Angular, monolith to microservices), and evidence the vendor had actually run a phased cutover on a live system rather than a greenfield build dressed up as modernization work. Team seniority and stack specialization came next – a firm claiming to modernize everything from mainframes to mobile apps usually modernizes nothing particularly well.
I also went through customer feedback on Clutch to see how these firms actually get rated by the people who hired them, weighing that alongside engagement transparency: could I tell how they price and scope work before booking a call, or did everything disappear behind a lead form?
1. Keyhole Software
Keyhole Software runs a smaller, senior-heavy consulting model out of the US, built around Java and .NET application modernization rather than a broad service menu. The firm leans into custom software and legacy system upgrades for mid-size companies that don’t need a multi-country delivery org. Its engineers tend to stay hands-on through the engagement instead of handing off to offshore teams after the sales call.
Pricing sits at the mid-range tier and runs on a custom-quote basis, which tracks with its boutique-consultancy positioning.
Keyhole fits mid-size US companies wanting a compact, senior team on a Java or .NET legacy upgrade rather than a large multi-workstream program.
2. Cognizant
Cognizant’s modernization practice operates at enterprise scale, running legacy transformation programs across insurance, banking, and healthcare systems for Fortune 500 clients. The company built out dedicated cloud migration and application modernization service lines years ago, backed by delivery centers spanning multiple continents. That scale is the pitch: parallel workstreams, deep bench strength, and the ability to absorb a modernization program that touches hundreds of applications at once.
Pricing lands at the premium tier, quote-based and scoped through a formal enterprise sales process.
The trade-off is pace and attention: a program this large moves through governance layers that a mid-size healthcare platform team may find slower than they need for a single-product modernization effort. Cognizant suits large enterprises modernizing legacy estates across multiple business units rather than a single platform.
3. Leobit
Leobit is a mid-size software engineering firm built around modernizing Microsoft-stack and JavaScript-stack systems without defaulting to a full rewrite. Its team has run 70-plus modernization projects, including 15-plus full platform migrations spanning .NET Framework to modern .NET, ASP.NET Web Forms to ASP.NET Core and Angular, AngularJS to Angular, and Xamarin to .NET MAUI, alongside WCF, WinForms, DevExpress, VB.NET, and Delphi codebases.
One case that stands out: a legal case management platform originally built in the 1990s was moved from ASP.NET Web Forms to Angular one module at a time, while it kept serving government and legal users throughout the transition. That’s the kind of live-system cutover healthcare and fintech teams need proof of before they hand over a production platform. For companies searching for the best software modernization companies to handle a live .NET or AngularJS platform in stages, Leobit’s process starts with system and codebase analysis and architecture redesign before any code gets touched, so the team decides what to refactor, re-platform, or rebuild rather than assuming a rewrite is the answer. That work is delivered by 78 Microsoft-certified engineers with 100-plus cloud projects across Azure, AWS, and GCP.
On Clutch, Leobit holds a 5/5 rating across 61 reviews.
Pricing sits at the mid-range tier and is quoted per project, which puts it below the premium-tier integrators on this list without cutting into engineering depth.
Teams running aging .NET Framework, Web Forms, WinForms, or Xamarin systems that still need to ship features during the migration will find Leobit’s staged approach built for exactly that pressure.
4. ScienceSoft
ScienceSoft has built a reputation on compliance-heavy modernization work, with a healthcare and fintech practice that shows up repeatedly in its published case studies. The company operates a large in-house engineering bench and covers everything from HIPAA-aligned system re-platforming to legacy database migrations, which gives it range across regulated industries beyond just one vertical. Clutch lists ScienceSoft at 4.8/5 across 44 reviews, a solid volume of verified feedback for a firm this size.
Pricing sits at the mid-range tier, quoted per project after a scoping call.
ScienceSoft is a strong match for healthcare or fintech teams that need a modernization partner fluent in compliance requirements from day one.
5. Infosys
Infosys runs modernization at a scale few firms can match, handling core banking, insurance, and large healthcare-system transformations for global enterprise clients. The company’s application modernization practice ties into its broader cloud and AI service lines, letting it bundle legacy migration with data platform work and ongoing managed services. Clutch shows Infosys at 5/5 across 5 reviews, a small sample but a clean one.
Pricing sits at the premium tier and runs quote-based, consistent with its enterprise delivery model.
That scale comes with a corresponding commitment size: engagements often span years and multiple business units, which fits a global enterprise better than a single-product healthcare platform team looking for a focused engagement. Infosys works best for large organizations running modernization across many systems at once, not a single application in isolation.
6. Capgemini
Capgemini positions its modernization work inside a broader digital transformation practice, pairing legacy application migration with cloud strategy, data platforms, and organizational change management. The firm has decades of enterprise consulting history and a global delivery footprint that spans dozens of countries. That breadth suits large corporations running modernization as one piece of a bigger, multi-year transformation roadmap rather than a scoped, single-platform project.
Pricing sits at the premium tier and is quoted per engagement, in line with its full-service consulting model.
A mid-market healthcare or legal tech company chasing a focused .NET or Angular migration may find Capgemini’s model built for a larger mandate than what they need. Capgemini fits enterprises that want modernization bundled into a wider digital transformation program.
7. HCLTech
HCLTech pairs application modernization with its infrastructure and managed-services business, which makes it a natural fit for companies that want legacy migration and long-term IT operations handled by the same vendor. The firm has a large global workforce and deep experience modernizing enterprise systems across manufacturing, banking, and healthcare. That combination of modernization plus ongoing infrastructure support is the core differentiator against firms that only do the migration and step away.
Pricing sits at the premium tier, quote-based and scoped through account teams.
HCLTech suits organizations that want a single vendor handling both the modernization project and the infrastructure it runs on afterward.
8. SoftServe
SoftServe built its name on cloud-native architecture work, and its modernization practice reflects that: re-platforming legacy applications toward containerized, cloud-first architectures for mid-market product companies. The firm has a strong healthcare and fintech client base and tends to pair modernization engagements with ongoing product development rather than treating them as one-off projects. Clutch lists SoftServe at 4.8/5 across 2 reviews, a thin sample worth weighing against its broader portfolio.
Pricing sits at the mid-range tier and runs on a custom-quote basis.
SoftServe is a solid pick for mid-market product teams who want their legacy re-platforming folded into a longer-term cloud and product engineering relationship.
How to Choose Without Betting the Roadmap on the Wrong Partner
Start with the stack question: does this firm have named, verifiable experience with your exact legacy technology, whether that’s ASP.NET Web Forms, AngularJS, Xamarin, or Delphi? A vendor’s homepage listing every technology under the sun is a red flag, not a strength.
Ask how they handle a live system during migration. Can they walk you through a module-by-module cutover on a platform that couldn’t go down, the way a legal case management system or a claims platform can’t? If the answer is vague, that’s your answer.
Check whether assessment comes before commitment. A partner that proposes architecture redesign before quoting a full rewrite is doing the diligence a rushed vendor skips. Ask about team structure too: will the same engineers who scope the project actually build it, or does it get handed to a different team after sales closes? And weigh delivery model against your compliance needs – healthcare and fintech platforms need a firm that treats HIPAA or SOC 2 requirements as a design constraint, not an afterthought.
Match the vendor’s scale to your actual problem. A single platform modernization doesn’t need a multi-year enterprise program, and a thousand-application estate doesn’t need a boutique shop. The right pick is the one whose delivery model matches the size of the problem you actually have, not the size of the vendor’s brand.
Frequently Asked Questions
How much do the best software modernization companies charge for a legacy system migration?
Most firms in this space quote per project after a scoping call, since costs depend heavily on codebase size and migration complexity. Mid-range firms tend to price staged, module-by-module work more accessibly than premium global integrators, who often price around larger, multi-year transformation programs.
How do I choose the best software modernization companies for a healthcare platform?
Look for named experience with your exact legacy stack, a documented assessment phase before any rewrite commitment, and proof they’ve handled live-system cutovers under compliance requirements like HIPAA. Team seniority and staged delivery matter more than firm size for a single-platform migration.
What services do software modernization companies typically provide?
Core services usually include codebase and architecture assessment, staged re-platforming, framework upgrades like ASP.NET Web Forms to Angular, cloud migration to Azure, AWS, or GCP, and ongoing support after cutover. Some firms also bundle infrastructure or managed services alongside the migration itself.
How long does a typical software modernization project take?
Timelines vary by scope, but a module-by-module migration on a live platform often runs in phases over many months rather than one long freeze. Full platform rewrites take longer and carry more roadmap risk, which is why staged approaches have become the preferred model for production systems that can’t go dark.
What common problems do software modernization companies solve?
They address slow release cycles, difficulty hiring for aging stacks like WinForms or Delphi, mounting security gaps, and cloud readiness requirements that legacy architecture can’t meet. The better firms solve these without forcing a full rewrite, keeping the system live and earning throughout the transition.