Azure Application Development and Modernization

We modernize legacy .NET applications, build enterprise applications and SaaS products on Azure, and connect the business systems that manual processes and disconnected tools are quietly costing you time and money to work around.

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Azure and .NET Development Built to Solve a Specific Cost, Not a Generic Cloud Checklist

We modernize legacy .NET applications, build enterprise applications and SaaS products on Azure, and connect the ERP, CRM, and business systems that manual processes are quietly costing time and money to work around. The same signals apply to any business running critical operations on aging on-premises infrastructure.

Our Azure practice covers .NET Framework and ASP.NET Core modernization, cloud-based enterprise applications, SaaS product development, AI integration, API and system integration, business process automation, and the customer and B2B portal development that gives businesses self-service instead of email and phone support.

We work with manufacturers needing dealer portals and ERP integration, healthcare and financial services organizations needing secure, compliant Azure applications, and businesses running .NET Framework applications that need modernization before the framework’s limitations become a real operational risk.

Every Azure engagement begins with an assessment of what is actually costing the business time or risk today, an outdated framework, a manual process, a disconnected system, because the right architecture solves that specific problem rather than a generic cloud template.

From ASP.NET Core applications on Azure App Service with Azure SQL to AI-powered document processing that eliminates hours of manual work each week, we build at the depth Azure’s native .NET support allows.

Since 2007, Keyideas has delivered Azure and .NET application development and modernization projects across the United States, United Kingdom, and Australia.

Services That Align With Azure Development

  • Azure’s native .NET support means our .NET development practice and Azure work are built by the same team, so the application and the infrastructure it runs on are designed together, not reconciled after the fact.
  • For businesses needing a frontend connected to Azure-hosted APIs, our React and Angular practices build the interface layer consuming the ASP.NET Core backend.
  • For companies needing sustained Azure and .NET engineering capacity, our offshore development service provides a dedicated resource rather than a project-scoped engagement.

Cities Where We Deliver Azure Development

  • In New York, Chicago, and Boston, our Azure practice serves manufacturing and financial services businesses modernizing legacy .NET applications and building ERP-integrated portals.
  • In London and Sydney, we build Azure applications for healthcare and professional services businesses needing secure customer portals and workflow automation.
  • In Bengaluru, our Azure and .NET practice supports global manufacturing and SaaS businesses building and modernizing enterprise applications from India for international markets.

Benchmarked Against Leading Enterprise Technology

We benchmark every Azure engagement against the modernization quality, security, and native .NET integration standards of well-architected enterprise Azure environments.

Websites We’ve Built

Keyideas has delivered Azure and .NET modernization, B2B portal, and healthcare application projects for manufacturing, distribution, and healthcare clients.

Industries We Know From the Inside

Keyideas has built websites, platforms, and software products across more than 20 industry verticals over 18 years. We bring direct project experience to each industry we serve, not a generalist template applied to every client brief. Select an industry below to see what we have built in your market.

Technologies We Work With

We select technologies and implementation approaches based on storefront complexity, performance requirements, integrations, customization needs, scalability, and long-term maintenance.

We Build On

We Migrate From

What We Build With Azure

From .NET application modernization and Azure migration to cloud-native development, SaaS platforms, AI integration, API development, business process automation, and secure enterprise applications, we build Azure solutions around your business requirements, existing technology stack, scalability needs, and long-term growth goals.

Legacy .NET Application Modernization and Azure Migration

.NET Framework to .NET 8 Modernization

ASP.NET Core Migration and Azure App Service Deployment

Database Modernization to Azure SQL

An on-premises .NET Framework application still running on a physical server in a back office is one hardware failure away from taking the business down, and it falls further behind on security patches every month it stays there. We modernize .NET Framework applications to .NET 8, migrate to ASP.NET Core on Azure App Service, and move the database to Azure SQL, so the application your business depends on runs on infrastructure Microsoft actually still supports rather than hardware and framework versions that do not.

Cloud-Based Enterprise Applications on Azure

Customer, Vendor, and Dealer Portals on ASP.NET Core

Employee Portals and Business Workflow Systems

Operations Management Replacing Spreadsheets and Manual Process

A business still running critical operations through spreadsheets and email threads is one departed employee away from losing a process nobody else fully understood. We build customer, vendor, dealer, and employee portals in ASP.NET Core hosted on Azure, replacing disconnected tools and manual handoffs with a centralized application the whole team can rely on and that survives someone leaving.

SaaS Product Development on Azure and .NET

Multi-Tenant SaaS Architecture on Azure and ASP.NET Core

Subscription Billing and Customer Self-Service

Internal Productivity Platforms Built to Scale

Building a SaaS product on infrastructure that was never designed for multi-tenancy means retrofitting tenant isolation and billing logic into an application that was not built to support them, which costs more later than building it correctly the first time. We build scalable SaaS applications using Azure, .NET, React, and Node.js, architecting multi-tenant data isolation and subscription billing from day one so the product can take on its hundredth customer without a rebuild.

AI-Powered Business Applications

AI-Powered Search and Document Processing

Customer Support Assistants and Knowledge Management

Intelligent Recommendations and Workflow Automation

Most businesses do not need an experimental AI project, they need the specific manual task, searching through documents, answering repetitive support questions, that is costing staff hours every week. We integrate practical AI capabilities into new and existing Azure applications using Azure OpenAI, building AI-powered search, document processing, and customer support assistants that solve the actual bottleneck rather than a general-purpose AI feature nobody ends up using.

API and System Integration

ERP and CRM Integration

Ecommerce and Inventory System Connectivity

Accounting and Supplier System Integration

Disconnected software systems mean someone on your team is manually re-entering the same order or customer data into a second system every day, and every manual entry is a chance for a costly mistake. We build APIs and integration layers connecting ERP, CRM, ecommerce, inventory, accounting, and supplier systems, automating the data exchange between systems that were never designed to talk to each other so your team stops doing the same data entry twice.

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Business Process Automation

Approval Workflows and Document Processing

Lead Management and Customer Onboarding Automation

Inventory Synchronization and Order Processing

Every manual approval step, every document someone has to chase down, and every customer onboarding email sent by hand is time your team is not spending on work that actually grows the business. We develop Azure-based automation for approval workflows, document processing, lead management, customer onboarding, inventory synchronization, and order processing, so routine operational work runs itself instead of consuming staff hours it does not need to.

Customer Portal Development

Account Management and Order Tracking

Document Access and Service Requests

Reporting Dashboards and Subscription Management

Every customer who has to email or call for an order status update, a document, or a service request is a support ticket your team handles manually that a self-service portal would have resolved instantly. We build secure customer portals hosted on Azure with account management, order tracking, document access, and reporting dashboards, cutting the support load manual processes create while giving customers the instant access they actually want.

B2B Platform Development

Dealer and Partner Portals With Custom Pricing

Product Catalogs and Inventory Visibility

Procurement Workflow Automation

A dealer or distributor placing orders by phone or email is a slower, more error-prone sales channel than a competitor’s self-service ordering system, and every manual order is margin lost to processing time. We build scalable B2B applications and dealer portals on Azure with custom pricing by account, live product catalogs, inventory visibility, and procurement workflow automation, giving manufacturers and distributors the self-service ordering experience that keeps large accounts ordering more often with less friction.

Cloud Migration Projects

Application and Database Migration to Azure

Infrastructure Migration From On-Premises Servers

Hybrid Cloud Solutions for Gradual Transition

On-premises infrastructure means your disaster recovery plan depends on hardware in a single physical location, and a server failure or building issue can take the business offline for days rather than minutes. We plan and execute application, database, and infrastructure migration to Azure, including hybrid cloud solutions for businesses that need a gradual transition, replacing single-location risk with the reliability and disaster recovery capability on-premises infrastructure cannot match.

Secure and Scalable Digital Platforms

Security and Compliance for Growing Platforms

Performance and Reliability at Increasing Scale

Business Continuity Planning

A platform that worked fine at fifty users can fail in ways nobody predicted at five thousand, and discovering that during a busy period costs far more than architecting for scale from the start. We build enterprise-grade Azure applications designed for long-term growth, addressing security, compliance, performance, and business continuity as core architecture decisions rather than problems to solve after the platform is already struggling under its own growth.

Azure and .NET: The Native Enterprise Pairing

Azure App Service and Azure SQL for ASP.NET Core

Azure Active Directory and Entra ID for .NET Authentication

Why Microsoft’s Own Cloud Is Built Around .NET

Deploying a .NET application on a cloud platform that was not built with .NET in mind means working around integration gaps that should not exist in the first place. Azure is Microsoft’s own cloud, built with first-party support for ASP.NET Core, Azure SQL, and Azure Active Directory or Entra ID authentication, and this is where our .NET development practice connects directly to our Azure work: we deploy and scale .NET applications on the cloud platform actually designed for them, not a generic cloud template retrofitted to fit.

How We Collaborate With Our Clients

We use industry-leading tools to ensure smooth communication, efficient development and transparent project management

Project
Management

Plan tasks, timelines, and project resources efficiently.

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Development

Build scalable solutions with clean and secure code.

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Maintenance

Monitor performance, fix issues, and manage updates.

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Design

Create wireframes, UI designs, and interactive prototypes.

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Communication

Conduct meetings and discussions to stay aligned.

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Frequently Asked Questions about Azure and .NET Development Services

Questions from technical decision-makers about Azure and .NET application development with Keyideas.

In most cases, modernization rather than a full rewrite. Migrating a .NET Framework application to ASP.NET Core and Azure preserves the business logic already built while gaining Microsoft’s ongoing support, better security, and Azure’s managed infrastructure. A full rebuild is only justified when the underlying architecture is fundamentally incompatible with where the business needs to go, which our assessment will tell you honestly rather than assuming.

Yes. Customer, dealer, vendor, and employee portals built on ASP.NET Core and hosted on Azure are one of our most common engagements. We build account management, order tracking, document access, and reporting dashboards that replace the manual phone calls and emails a business otherwise has to handle for every routine customer or partner request.

Yes. AI-powered search, document processing, customer support assistants, and workflow automation using Azure OpenAI Service are an active part of our practice. We integrate AI into the specific manual task that is actually costing your team time, rather than adding a generic AI feature that looks impressive but does not solve a real operational bottleneck.

Yes. Building APIs and integration layers connecting Azure applications to ERP, CRM, ecommerce, inventory, and accounting systems is a core part of our practice. We automate the data exchange between systems that were never designed to communicate, eliminating the manual double data entry that disconnected systems create for your team.

We assess the current application and infrastructure first, then plan a migration that keeps the business operating throughout the transition, using hybrid cloud approaches where a gradual move makes more sense than an all-at-once cutover. Database and application migration are validated at each stage before anything is cut over, so downtime and risk are minimized rather than accepted as unavoidable.

A .NET Framework to ASP.NET Core modernization takes 12 to 24 weeks depending on application complexity. A cloud-based enterprise application or customer portal takes 10 to 18 weeks. A full cloud migration project takes 14 to 26 weeks. A business process automation project takes 6 to 14 weeks. Timeline is confirmed after the assessment defines the actual scope.

Projects start at $5,000 for a Strategic Foundation build covering a targeted .NET modernization phase or a core Azure application. Next-Level Growth at $10,000 adds ERP or CRM integration, AI features, or workflow automation. The Accelerated Competitive tier at $20,000 covers full legacy modernization, B2B platform development, or complex cloud migration. Enterprise Partnership at $3,300 per month provides a dedicated Azure and .NET developer with a single point of contact and project collaboration tools.

A senior Azure and .NET developer at a US agency bills at $130 to $220 per hour. A UK agency charges £100 to £180 per hour. A typical Azure application development or modernization project costs $50,000 to $150,000 at a US agency. The same project at Keyideas falls within our $5,000 to $20,000 project tiers.
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