.NET Development Services for Modern Businesses
Build, modernize, and scale enterprise applications with Azilen’s .NET development services. We help businesses migrate from .NET 8 and .NET 9 to supported versions, modernize legacy systems, integrate AI capabilities, and build secure, scalable applications for long-term growth.

What Azilen Delivers with .NET Development Services.
Whether you're launching a new software product, modernizing an aging application, or extending an existing .NET platform, Azilen brings product engineering, architecture, and development expertise under one team.
We build tailored .NET applications that solve real business problems. From concept to deployment, our team ensures clean code, intuitive design, and future scalability. Every application is thoughtfully built to reflect your vision, priorities, and long-term growth plans.
- Web App Development
- SaaS Product Development
- Business Process Applications
- Customer Portal Solutions
- Multi-Tenant Applications
- Custom Software Solutions
Move legacy .NET applications toward a modern, maintainable architecture while preserving the business logic your teams depend on. We assess the existing codebase, define the migration path, and modernize incrementally where it makes sense.
- .NET Framework Migration
- ASP.NET to ASP.NET Core
- .NET Version Upgrades
- Legacy Code Refactoring
- Monolith Modernization
- Application Re-engineering
Develop secure, scalable applications for complex enterprise environments with multiple systems, users, workflows, and data sources. Our teams work across application architecture, APIs, databases, cloud infrastructure, security, and DevOps.
- ERP Systems Development
- CRM Platforms Development
- Workflow Automation
- Role-based access management
- Multi-Tenant Architecture
- Reporting Dashboards
We enable your .NET apps to seamlessly talk to other systems. Our integrations ensure smooth data flow, security, and long-term flexibility with clean, well-documented APIs. Whether it’s internal tools or third-party platforms, we make your systems work smarter together.
- REST API Development
- Third-Party API Integration
- ERP & CRM Integration
- Payment Gateway Integration
- Legacy System Integration
- API Modernization Solutions
Have a Complex .NET Project in Mind? Get a Technical Assessment & Recommended Approach.
What Makes Azilen a Leading .NET Development Company?
From modern .NET and Azure to architecture, integrations, and AI, we bring the technical depth needed across the application lifecycle.
ASP.NET
Architecture
with Azure
Extend Your .NET Applications with AI, Cloud, and IoT
Build smarter .NET applications with modern AI frameworks, scalable cloud infrastructure, and connected IoT solutions. From integrating enterprise AI to modernizing legacy applications, we help align technology with your business needs.

Connect AI models, enterprise data, and business workflows within .NET applications.
Build AI agents that coordinate tasks, use tools, and execute multi-step workflows.
Integrate AI models through consistent abstractions for chat, embeddings, and related capabilities.
Develop, configure, and manage AI-powered application experiences using Microsoft’s AI platform.
Enable AI applications to retrieve relevant information from enterprise data using search and retrieval-augmented generation (RAG).
Embed large language models into .NET applications to support intelligent assistants, content processing, and workflow automation.

Deploy scalable .NET web applications and APIs without managing the underlying infrastructure.
Build event-driven, serverless applications that respond to business events and workloads.
Deploy and orchestrate containerized .NET applications across scalable environments.
Automate source control, builds, testing, and deployments across .NET projects.
Manage relational application data with a fully managed cloud database service.
Monitor application performance, availability, failures, and usage through telemetry.

Assess legacy applications and plan migration to modern, supported .NET versions.
Modernize WebForms applications into maintainable web applications using ASP.NET Core.
Modernize Windows Communication Foundation services using suitable alternatives, such as CoreWCF or ASP.NET Core APIs.
Move legacy Windows Services to Worker Services or other hosting models suited to current operational needs.
Replace outdated libraries and address compatibility, security, and maintainability concerns.
Prepare modernized .NET applications for deployment on Azure or other suitable cloud infrastructure.

Connect devices, sensors, and equipment with .NET applications to exchange operational data.
Process incoming device data to support monitoring, alerts, and operational decisions.
Connect IoT workloads with appropriate Azure services and data-processing components.
Build dashboards that help teams monitor device status, usage, and performance.
Trigger application actions based on device events, thresholds, and incoming telemetry.
Connect device data with enterprise applications, databases, and reporting systems.

.NET Environment with the Right Approach.
.NET Development Services Built for Your Industry
- Enterprise HRMS Platforms
- Workforce Analytics & Reporting
- Automated Onboarding Systems
- Compensation & Benefits Engines
- Policy-Driven Access Control
- Compliance & Audit Management
- Core Banking Integration Solutions
- Regulatory Reporting Automation
- Enterprise-Grade Payment Gateways
- Risk & Fraud Detection Engines
- Wealth & Portfolio Management Systems
- Secure API Frameworks for Open Banking
- Enterprise Commerce Management Platforms
- Centralized Inventory & Supply Chain Systems
- Advanced Pricing & Promotions Engine
- AI-Driven Product Recommendation Engines
- Retail Analytics & Forecasting Dashboards
- CRM & Customer Engagement Hubs
- Energy Usage & Optimization Platforms
- Carbon Emission Management Systems
- Smart Grid & Metering Integration
- Renewable Asset Lifecycle Management
- ESG Data Capture & Reporting Tools
- Predictive Analytics for Equipment Health
- End-to-End ERP for Manufacturing Operations
- Smart Factory & IoT Integration Platforms
- Production & Demand Forecasting Engines
- Quality Assurance & Compliance Modules
- Digital Twin & Simulation Frameworks
- Asset & Maintenance Lifecycle Management
- Scalable EHR/EMR Infrastructure
- AI-Powered Diagnostic Support Systems
- Patient Engagement & Communication Portals
- Secure Health Information Exchange (HIE)
- Integrated Telehealth & e-Prescription Modules
- HL7/FHIR-Compliant System Integration
Technologies We Use for Custom .NET Development
.NET Case Studies: From Challenge to Solution
Frequently Asked Questions (FAQ's)
.NET development services typically cost $15,000–$50,000 for a small application, $50,000–$150,000 for a mid-sized solution, and $150,000–$500,000+ for complex enterprise platforms. Final costs depend on integrations, architecture, security requirements, team size, and project scope.
A basic .NET application may take 8–12 weeks, while a mid-sized business application typically requires 3–6 months. Complex enterprise platforms can take 6–12 months or longer, depending on integrations, testing, compliance, and deployment requirements.
Hire a .NET development company when building enterprise applications, modernizing legacy systems, integrating AI, or scaling existing software. An experienced partner can support architecture decisions, development, testing, cloud deployment, and ongoing maintenance when internal teams lack the required capacity or expertise.
.NET is Microsoft’s modern, cross-platform development platform for building web, desktop, cloud, and other applications. .NET Framework is the older Windows-focused platform. Businesses maintaining legacy applications should assess dependencies, compatibility, and migration effort before moving to modern .NET.
Yes, migration projects can modernize .NET Framework 4.x applications, ASP.NET WebForms interfaces, WCF services, and Windows Services. The approach depends on dependencies, architecture, and business requirements. Assessment helps determine whether to migrate, replace components, or modernize incrementally.
.NET applications can integrate AI using Microsoft Semantic Kernel, Microsoft Agent Framework, and Microsoft.Extensions.AI (MEAI). Azure AI Foundry and Azure AI Search can support model development and enterprise information retrieval. Suitable implementations depend on security, data access, model selection, and business goals.
Modern .NET projects may use ASP.NET Core, Entity Framework Core (EF Core), .NET Aspire, and .NET MAUI. Teams may also use GitHub Actions for CI/CD, Terraform or Bicep for infrastructure as code, and xUnit or Playwright for automated testing, based on project needs.
.NET Aspire is an opinionated stack for building, orchestrating, and observing distributed applications. It can simplify local development and service integration for cloud-native .NET systems. Businesses building microservices or multi-component applications may benefit from its development tooling and observability capabilities.
In-house developers provide direct control and ongoing product knowledge, while outsourcing can offer access to specialized skills and flexible delivery capacity. The right choice depends on budget, project duration, internal expertise, security needs, and long-term maintenance requirements.
Quality and scalability require clear architecture, automated testing, performance monitoring, and reliable deployment practices. Depending on the project, teams can use xUnit, Playwright, GitHub Actions, Azure Application Insights, and cloud infrastructure automation to validate functionality, detect issues, and support consistent releases.
















