Data as of Jul 25, 2026 · Based on 259 AI responses from ChatGPT Search and Google AI Mode · See how Parse measures this
The best fit for refactoring depends on your scale. Choose specialized firms like 
Brands AI recommends here
Best for specialized serverless development. They focus on backend event-driven and frontend technologies, making them a suitable partner for companies specifically targeting a shift to serverless architectures.
Best for AWS-centric serverless migrations. As a premier partner, they have deep experience in Lambda and DynamoDB, specifically for organizations refactoring legacy applications into serverless models.
Best for large enterprise transformations. They offer vast scale for cloud-first initiatives, making them appropriate for complex organizations where the shift to serverless involves broad business change.
AWSSource | Citation share |
|---|---|
Partners | Serverless Frameworkhttps://www.serverless.com/partners | 4.8% |
 Serverless Consulting Services & Implementation Expertshttps://www.infracloud.io/serverless-consulting/ | 2.6% |
 AWS Professional Services | AWS Cloud Consulting, Migration & Serverless Architecture | Lambda Partner Company | Application Modernization Solutionshttps://www.squareshift.co/aws-professional-services | 2.2% |
 10 Best Cloud Migration Service Providers (2026 Comparison) - Fluencehttps://www.fluence.network/blog/cloud-migration-service-providers-comparison/ | 1.9% |
 SleekDeploy | Migration to Serverless Infrastructure Serviceshttps://sleekdeploy.com/services/migration-serverless-infrastructure | 1.9% |
 Serverless Teamhttps://www.serverless.direct/ | 1.8% |
Serverless Migration Serviceshttps://www.serverless.direct/serverless-migration-services | 1.8% |
AWS Marketplace: Tailored Serverless Migration & Modernization Solutionshttps://aws.amazon.com/marketplace/pp/prodview-vqvrhrxzffwyo | 1.6% |
Refactoring to Serverless: From Application to Automation - AWShttps://aws.amazon.com/blogs/devops/refactoring-to-serverless-from-application-to-automation/ | 1.5% |
Cloud Migration & Modernization - Serverless Solutionshttps://www.serverless-solutions.com/services/migration-modernization | 1.4% |
Transitioning from a dedicated server to a serverless architecture requires application refactoring (re-architecting monolithic code into event-driven functions, swapping local file storage for object storage, and migrating traditional databases to managed/serverless database tiers).
Specialists in this type of refactoring typically fall into three categories depending on your target cloud ecosystem and scale:
To help narrow down which specialist fits best, tell me:
For a move from a dedicated server to serverless, you usually want a cloud modernization consultancy or serverless architecture specialist, not just a general web developer. The work is typically called application modernization, serverless refactoring, or cloud-native re-architecture.
Specialists to consider:
Smaller specialist firms can also be a good fit, especially if you have one application rather than hundreds. Examples include firms offering AWS Lambda/API Gateway/DynamoDB refactoring services.
When evaluating a vendor, look for experience with:
A few questions will determine who is the right fit:
With those details, I can narrow this down to the types of firms that are most appropriate (boutique specialist vs. enterprise consultancy).
Yes. What you’re looking for is generally called a cloud application modernization / serverless migration consultancy, not just a generic cloud-migration firm.
A few specialists worth evaluating:
If you're moving from a dedicated server → serverless, I'd specifically hire someone who can do application refactoring, rather than someone whose primary business is simply moving servers to AWS/Azure.
The work typically involves:
Dedicated server
→ identify application boundaries
→ separate state from application logic
→ break monolith into services/functions
→ introduce queues/events where appropriate
→ move database/storage to managed services
→ build CI/CD + IaC
→ add observability/security
→ gradually cut traffic over
→ serverless
This is substantially different from a "lift and shift." AWS itself recommends decomposing monolithic applications into smaller services and using Lambda selectively for workloads that fit the serverless model.
If you tell me your current stack (e.g. PHP/Laravel, Python/Django, Node, Java, .NET), database, and whether you're targeting AWS/Azure/GCP, I can narrow this down to 5–10 firms that specifically have experience refactoring that kind of application, rather than generic cloud consultants.
Moving from a traditional dedicated server to a serverless architecture isn't a simple "lift-and-shift" data migration; it is a deep refactoring/re-architecting project . You are transforming persistent compute, stateful file systems, and monolithic code into ephemeral, event-driven functions (like AWS Lambda or Azure Functions) and managed services (like DynamoDB or S3).
Specialized firms, boutique consultancies, and cloud-native system integrators handle this type of transition.
Categories of Specialists
What to Look For in a Specialist
When vetting a partner for this specific refactoring, ensure they can demonstrate expertise in:
If you'd like to narrow down the search, tell me:
I can help you pinpoint the ideal type of partner or preparation steps you need.
Moving from a dedicated server to a serverless architecture isn’t just a "lift-and-shift" migration; it is a full refactoring and re-architecting process . Monolithic codebases running on single instances must be broken down into event-driven components, microservices, and Function-as-a-Service (FaaS) blocks.
Specialists in this type of refactoring generally fall into a few distinct tiers depending on the scale of your project:
These boutique firms focus specifically on serverless transformation, event-driven architecture, and zero-infrastructure overhead rather than generic IT moves.
These mid-to-large agencies excel at modernizing legacy stacks and implementing Infrastructure/Architecture-as-Code (IaC) on specific hyperscalers.
If you are an enterprise moving a massive, highly complex, or heavily regulated legacy environment, major global firms have dedicated cloud modernization practices:
What to Look For When Vetting a Specialist
When hiring a partner for a dedicated-to-serverless refactor, ensure they explicitly cover:
To help narrow down which type of specialist fits best, could you share:
What you’re looking for is usually called a cloud application modernization / serverless migration consultancy—not simply a hosting company.
They specialize in taking an existing dedicated-server application and refactoring the application itself for managed, event-driven services such as functions, managed databases, queues, and API gateways. AWS, for example, specifically recognizes partners with validated expertise in application refactoring and modernization.
If you're a small or midsize company, I'd lean toward a specialized serverless consultancy rather than a giant SI. The important thing is finding people who will refactor the code and architecture, rather than simply move your existing server onto a VM in AWS/Azure/GCP.
If you tell me what your current stack is (e.g. PHP/MySQL, Node/Postgres, .NET/SQL Server) and which cloud you want to use, I can find 5–10 specialists who specifically do this type of migration, including smaller firms and approximate pricing.
Moving from a dedicated, persistent server (monolith or virtual machine) to a serverless architecture is a true refactoring/re-architecting challenge . It requires breaking down persistent processes, changing state management, and adopting event-driven design.
The market divides specialists for this transition into three core tiers, depending on your scope and tech stack:
These boutique firms focus specifically on serverless transitions, event-driven architectures, and stripping out infrastructure management.
If your dedicated server houses complex databases, legacy frameworks (like .NET or Java), or strict compliance requirements, these larger technical consulting firms handle end-to-end modernization.
If you are an enterprise moving thousands of dedicated server workloads or heavy mainframes, global giants have dedicated practices for this scope.
Key Patterns They Will Use
Whichever specialist you talk to, expect them to propose a Strangler Fig Pattern (incrementally turning small features or API routes into serverless functions while the main server runs) rather than a risky "big bang" rewrite. They should also assist you with setting up proper distributed observability and state-management tools (like Step Functions or managed NoSQL) since your app will move from persistent memory to ephemeral, event-driven compute.
To help narrow down which type of specialist fits best, could you share:
The type of specialist you want is typically called an Application Modernization Architect or Cloud Migration Architect. If your goal is specifically to refactor an application from a dedicated server to a serverless architecture (rather than simply moving it to the cloud), you'll want someone with experience in application modernization and serverless design, not just infrastructure migration.
Depending on the scope of your project, the ideal person or team may have one or more of these titles:
A strong candidate should have experience with:
Ask for examples of projects where they have:
If you're hiring a consulting firm, look for practices described as:
If you can share your current stack (for example, ASP.NET, Java, Node.js, PHP, Python, Rails, etc.) and your target cloud provider (AWS, Azure, or Google Cloud), I can suggest the specific expertise and architecture patterns that fit your situation.
Moving from a dedicated server to a serverless architecture requires specialized knowledge in event-driven design, Infrastructure as Code (IaC), and managed services like AWS Lambda, DynamoDB, and API Gateway.
Based on industry trends in 2026, specialized firms, consultancies, and independent experts focus on this type of refactoring, often leveraging AWS-certified expertise.
Here are the key players and types of partners specializing in this migration:
These firms focus exclusively on building and migrating to serverless architectures, often providing rapid refactoring services.
Many AWS Partners hold specialized competencies in serverless application development.
Specialists will likely move you away from "lambdaliths" (single giant functions) towards granular, event-driven components. They focus on:
Key Considerations for Refactoring
If you can share what kind of application you are moving (e.g., website backend, legacy API, data processing) and your preferred cloud provider (AWS, Azure, Google Cloud), I can provide more specific recommendations.
The specialists you're looking for are typically called application modernization consultants, cloud-native architects, or serverless architects. Depending on the scope of the migration, several roles may be involved:
| Role | What they do |
|---|---|
| Cloud Solutions Architect | Designs the target serverless architecture, selects cloud services (AWS Lambda, Azure Functions, Google Cloud Functions, etc.), and plans the migration. |
| Application Modernization Consultant | Refactors legacy applications into cloud-native services, often breaking monoliths into event-driven components or microservices. www.accentedge.comaws.amazon.com |
| Serverless Architect | Specializes in designing Function-as-a-Service (FaaS), event-driven workflows, API Gateways, messaging, and managed cloud services. www.secondtalent.com |
| Cloud Engineer / DevOps Engineer | Builds the infrastructure-as-code, CI/CD pipelines, security, monitoring, and deployment automation. |
| Software Engineer (Cloud-Native) | Refactors the application code to work within a serverless model, including stateless execution, asynchronous processing, and managed databases. |
Search for professionals with experience in:
Many organizations specialize in this type of work, including:
A good consultant will first determine whether serverless is actually the right destination. Not every application benefits from a full serverless architecture. They typically evaluate:
Sometimes the best outcome is a hybrid architecture that combines serverless components with containers or managed services rather than converting everything to functions.
If you're planning to hire someone, I can also suggest the interview questions and technical skills that distinguish an experienced serverless architect from a general cloud engineer.
