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.NET Development Services

.NET Development Services | ASP.NET Core, APIs, and Azure Cloud Applications

Build secure, scalable applications on Microsoft's modern stack. Our .NET development services cover custom ASP.NET Core apps, APIs, microservices, Blazor frontends, Azure deployments, and .NET migrations so your teams ship faster with code that performs in production.

Get Started with .NET Development

We only use your info to contact you about your .NET project goals.

SOC 2 CompliantISO 20000ISO 9001ISO 27001HIPAA CompliantGDPRClutch 5.0 RatingDesignRush 5 Star RatingCapterraGartnerVantaDrataOktaNinjaOneMicrosoft PartnerSophosCisco MerakiVMwareAWS PartnerGoogle WorkspaceDattoSentinelOnePalo AltoSOC 2 CompliantISO 20000ISO 9001ISO 27001HIPAA CompliantGDPRClutch 5.0 RatingDesignRush 5 Star RatingCapterraGartnerVantaDrataOktaNinjaOneMicrosoft PartnerSophosCisco MerakiVMwareAWS PartnerGoogle WorkspaceDattoSentinelOnePalo Alto

Why Organizations Choose AppStudio for .NET Development

Enterprise .NET Expertise

Our engineers build production ASP.NET Core, Blazor, and microservices solutions with clean architecture, testing, and security patterns suited to regulated industries.

Azure-Native Delivery

We design for Azure App Service, AKS, Functions, and hybrid cloud with CI/CD, monitoring, and cost controls built in from sprint one.

Migration Without Surprises

We modernize .NET Framework monoliths to .NET 8 with phased cutover, automated tests, and parallel runs that protect business continuity.

One Accountable Partner

Discovery through managed support under one team eliminates handoffs between consultants, dev shops, and ops vendors.

Services

.NET Development Services We Deliver

Custom ASP.NET Core Web Applications

  • Enterprise portals, dashboards, and line-of-business applications.
  • Clean architecture, dependency injection, and testable codebases.
  • Role-based access, SSO, and audit-ready logging.
Explore ASP.NET Core Apps →

ASP.NET Core API Development

  • REST, gRPC, and GraphQL APIs for web, mobile, and partner integrations.
  • Versioning, rate limiting, and OpenAPI documentation.
  • High-performance endpoints with caching and observability.
Explore API Development →

.NET Microservices Architecture

  • Domain-driven decomposition of monoliths into scalable services.
  • Event-driven patterns with message buses and API gateways.
  • Independent deployability with shared platform standards.
Explore Microservices →

Blazor Web & WASM Development

  • Interactive web UIs with C# on Blazor Server or WebAssembly.
  • Reuse .NET skills across frontend and backend teams.
  • Component libraries aligned to your design system.
Explore Blazor Development →

Azure Cloud-Native .NET Solutions

  • Deploy to Azure App Service, AKS, Functions, and Container Apps.
  • Managed identity, Key Vault, and secure configuration patterns.
  • FinOps and autoscaling tuned to workload profiles.
Explore Azure .NET →

.NET Framework to .NET 8 Migration

  • Assessment, roadmap, and phased migration from legacy .NET Framework.
  • Automated test harnesses and parallel-run cutover plans.
  • Performance and security gains on modern runtime.
Explore .NET Migration →

Entity Framework & Data Layer Development

  • EF Core modeling, migrations, and query optimization.
  • SQL Server, PostgreSQL, and Cosmos DB integrations.
  • Data access patterns that scale with transaction volume.
Explore Data Layer Dev →

.NET Integration & Middleware

  • Connect ERP, CRM, payment, and legacy systems via APIs and events.
  • Azure Service Bus, RabbitMQ, and enterprise integration patterns.
  • Reliable message handling with retry and dead-letter queues.
Explore Integration →

.NET Security & Compliance

  • Authentication with Azure AD, OAuth, and OpenID Connect.
  • Encryption, secrets management, and vulnerability remediation.
  • Architecture aligned to SOC 2, HIPAA, and privacy requirements.
Explore Security →

DevOps & CI/CD for .NET

  • Azure DevOps and GitHub Actions pipelines for build, test, deploy.
  • Containerization with Docker and Kubernetes.
  • Automated quality gates and staging environments.
Explore DevOps →

Desktop & MAUI Cross-Platform Apps

  • WPF, WinForms modernization and .NET MAUI mobile/desktop apps.
  • Shared business logic across platforms where it makes sense.
  • Offline-capable field and operations applications.
Explore Desktop & MAUI →

Managed .NET Support & Maintenance

  • Post-launch monitoring, patching, and enhancement sprints.
  • Performance tuning and technical debt backlog grooming.
  • Quarterly reviews with uptime and cost metrics.
Explore Managed Support →

One trusted partner for .NET discovery, custom development, Azure deployment, and ongoing support.

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They rebuilt our .NET Framework portal on ASP.NET Core and Azure with zero unplanned downtime. Page load times improved 50% and our release cycle went from monthly to weekly.
VP Engineering, Enterprise SaaS

Solving the .NET Development Challenges that Others Overlook

Business Priorities

Architecture planned before build
Azure-native deployment patterns
Migration with parallel runs
Security built in
APIs designed for integrators
One accountable delivery partner
Support after go-live

Industry Gaps

Quick fixes that become monoliths
Lift-and-shift without optimization
Big-bang .NET upgrades that stall
Auth and secrets bolted on late
Tight coupling to UI layers
Separate architects, dev shops, and ops
Projects that end at launch

Our Proven Advantage

Clean architecture, domain boundaries, and test strategy defined in discovery
App Service, AKS, or Functions chosen for cost, scale, and ops fit
Phased .NET Framework to .NET 8 migration with automated regression suites
Azure AD, Key Vault, and compliance review throughout the sprint cycle
Versioned REST, gRPC, and event contracts for partners and mobile
Same team from discovery through deploy and managed support
Monitoring, patching, and enhancement retainers available

Global Standards. Built-In Trust.

We operate with the highest levels of security, privacy, and quality, backed by globally recognized certifications. Our standards are built to meet enterprise and regulatory requirements across industries.

ISO 27001
ISO 9001
ISO 20000
HIPAA Compliant
GDPR
AICPA SOC

Book a Free .NET Development Consultation

Pick a time that works for you and walk through your application goals, stack, Azure landscape, and timeline with one of our .NET architects. You will leave with a clear read on approach, phasing, and a practical next step, with no obligation.

Rated Among the Top .NET Development Companies

Clients choose AppStudio for .NET development because we combine rigorous architecture, Azure-native engineering, and accountable delivery, so applications reach production instead of stalling as endless rewrite programs.

Clutch DesignRush GoodFirms

The .NET Stack and Tools We Build With Every Day

We develop across .NET 8, ASP.NET Core, Blazor, Entity Framework, Azure services, microservices patterns, and DevOps tooling. Here are the frameworks, data platforms, cloud services, and quality practices our .NET engineers apply across enterprise application engagements.

.NET / ASP.NET Core
C#
Blazor
Dapr
SQL Server
PostgreSQL
Redis
RabbitMQ
Microsoft Azure
Azure DevOps
Docker
Kubernetes
GitHub Actions
React
Next.js
Angular
TypeScript
GraphQL
Swagger / OpenAPI
Postman
SonarQube

How We Deliver .NET Development Services

.NET projects succeed when architecture matches business goals, Azure deployment is planned early, and quality gates protect production stability. At AppStudio, our .NET delivery model is structured, transparent, and refined across dozens of ASP.NET Core, microservices, and migration programs for SaaS, fintech, healthcare, and enterprise clients.

We work in clear phases so requirements, target architecture, and acceptance criteria are defined before build, and staging environments validate behavior before production rollout. Scope, timelines, cost models, and compliance requirements are planned upfront, which removes ambiguity and gives leadership confidence to fund release waves.

By pairing .NET engineering with DevOps and security discipline, we help you reach production faster without the cost, delay, and risk of quick fixes that accumulate technical debt.

We workshop goals, map integrations, and define non-functional requirements so .NET investments target problems the architecture can solve reliably.
We design ASP.NET Core, API, and data layers with the right Azure services, security model, and scalability patterns for your workload.
Our engineers deliver in sprints with automated tests, code reviews, and CI/CD so each increment is production-ready.
We deploy with monitoring, rollback plans, and user enablement so teams adopt new .NET applications with confidence.
We provide patching, performance tuning, and enhancement sprints so .NET applications stay secure and fast after launch.

Proven by Results

Built for Uptime, Faster Releases, and On-Time Delivery

Book a Free .NET Development Consultation →
0%

uptime across the .NET applications we build and manage on Azure

0x

more frequent, lower-risk releases after we automate your CI/CD pipeline

0 Wks

average time from kickoff to your first production .NET release

How We Deliver Value, in Our Clients’ Words

.NET Development Success Stories

Health and wellness platform

ASP.NET Core Portal for a B2B SaaS Company

We rebuilt a .NET Framework admin portal on ASP.NET Core with Azure App Service, cutting page load times 50% and enabling weekly releases through automated CI/CD.

Public-sector platform

Microservices API Layer for a Financial Services Firm

We delivered ASP.NET Core microservices with event-driven integration to CRM and ERP systems, reducing proposal generation time from hours to minutes.

High-traffic digital experience

Blazor Application for a Healthcare Network

We delivered a Blazor WebAssembly patient portal with HIPAA-aligned auth and data access, improving UX scores 35% while maintaining compliance through go-live.

Industries We Serve With .NET Development

AppStudio delivers .NET development services tuned to each industry's security, integration, and uptime requirements. We combine domain knowledge with rigorous engineering so ASP.NET Core applications launch safely, scale predictably, and support long-term maintainability.

Healthcare & Life Sciences

Healthcare & Life Sciences

  • HIPAA-aligned ASP.NET Core applications for clinical and patient systems.
  • Secure APIs integrating EHR, scheduling, and billing platforms.
  • High-availability .NET services engineered for continuous care.

Accounting & Financial Services

Accounting & Financial Services

  • Secure .NET platforms for banking, payments, and reporting.
  • Compliant APIs aligned to SOC 2 and PCI requirements.
  • High-throughput services for real-time transactions at scale.

Retail & Consumer Commerce

Retail & Consumer Commerce

  • Scalable ASP.NET Core commerce and inventory platforms.
  • Azure-hosted services engineered for seasonal peaks.
  • Integrated POS, ERP, and ecommerce back ends.

Government & Public Sector

Government & Public Sector

  • Secure .NET modernization of legacy government systems.
  • Standards-aligned APIs with complete audit trails.
  • Resilient services built for public-scale demand.

Logistics, Supply Chain & Transportation

Logistics, Supply Chain & Transportation

  • .NET services for WMS, TMS, and fleet operations.
  • Real-time tracking APIs across carriers and sites.
  • Reliable integrations with EDI and partner systems.

Telecom & Connectivity

Telecom & Connectivity

  • High-volume .NET microservices for OSS and BSS.
  • APIs for provisioning, billing, and self-service.
  • Scalable back ends for always-on subscriber platforms.

Education & eLearning

Education & eLearning

  • ASP.NET Core platforms for LMS and student systems.
  • Secure APIs connecting SIS, content, and finance.
  • Scalable services that hold up during exam-time demand.

Travel, Hospitality & Aviation

Travel, Hospitality & Aviation

  • .NET back ends for booking, PMS, and loyalty.
  • Real-time availability and reservation APIs.
  • Resilient, PCI-compliant transaction services.

High-Tech, SaaS & Software Product Companies

High-Tech, SaaS & Software Product Companies

  • Multi-tenant .NET SaaS on Azure with CI/CD.
  • API-first microservices and event-driven design.
  • Cost-optimized, autoscaling cloud-native back ends.
Legal Services Industry

Legal Services & Law Firms

Legal Services & Law Firms

  • Secure .NET systems for case and document management.
  • Access-controlled APIs with confidentiality built in.
  • Compliant data handling with retention and audit trails.

Media & Entertainment

Media & Entertainment

  • .NET services for content, streaming, and distribution.
  • Scalable APIs tuned for high-bandwidth workloads.
  • Resilient back ends for traffic peaks.

Manufacturing & Industrial

Manufacturing & Industrial

  • .NET integration of MES, SCADA, and ERP systems.
  • Secure APIs across IT and OT environments.
  • Real-time services for production and planning data.

One Team to Build, Migrate, and Run Your .NET Applications

AppStudio is a trusted .NET development partner for startups, mid-market firms, and enterprises building ASP.NET Core applications, APIs, microservices, and Azure cloud-native platforms. Our services cover discovery, custom development, migration, DevOps, security, and managed support so your .NET investments deliver lasting business value.

Whether you need a focused API layer or a multi-year platform program, we shape the engagement around your architecture, Azure landscape, compliance needs, and release goals, not a one-size-fits-all template.

Today we support organizations across North America in SaaS, fintech, healthcare, logistics, and public sector. Explore your options with a free .NET development consultation, or see our hire .NET developers, software modernization services, cloud migration services, and web application development if you need adjacent support.

Book a Free .NET Development Consultation →
.NET development services team

.NET Development Services FAQs

At AppStudio, .NET development services cover the full lifecycle of building enterprise software on the Microsoft stack: custom ASP.NET Core applications, REST and gRPC APIs, microservices, Blazor interfaces, Entity Framework data layers, Azure deployment, .NET migrations, and ongoing managed support.
We work with .NET 8, .NET Core, and ASP.NET Core, and we migrate applications from the older .NET Framework. For new development, we recommend the current LTS release so you get the longest support window and best performance.
Yes. Azure is core to our .NET practice. We build on Azure App Service, AKS, Functions, Container Apps, and Key Vault, and we set up hybrid connectivity when part of your estate needs to stay on-premises.
Yes. We assess your existing application, plan a phased migration, add automated tests to protect behavior, and cut over with parallel runs so the move carries as little risk as possible.
Yes. We build with Blazor Server and WebAssembly for interactive web UIs, which lets your team share C# skills across the front end and back end instead of maintaining separate stacks.
Yes. We design .NET microservices with domain-driven decomposition, API gateways, event-driven integration, and independent deployment pipelines, so services scale and ship on their own schedules.
Security is built in from the start. At AppStudio, we use Azure AD, OAuth, encryption, and managed secrets, run vulnerability scanning in the pipeline, and align the architecture to SOC 2 and HIPAA where they apply to you.
Yes. We build REST, gRPC, and GraphQL APIs with versioning, clear documentation, rate limiting, and observability, so your integrations stay reliable as they grow.
It depends on scope. Discovery typically takes 2 to 4 weeks, an MVP often runs 8 to 16 weeks, and larger enterprise platforms are delivered in phases across quarters so you see value early.
Yes. Our managed support covers monitoring, patching, performance tuning, and enhancement sprints on predictable monthly retainers, so your applications stay secure and fast well after go-live.
Yes. We connect .NET applications to your ERP, CRM, payment gateways, legacy APIs, and event buses using proven integration patterns, so new software fits the systems you already run.
We serve SaaS, fintech, healthcare, logistics, manufacturing, retail, education, and public-sector organizations across Canada and the United States.
Yes. We use EF Core for data modeling, migrations, and performance tuning across SQL Server, PostgreSQL, and Azure Cosmos DB, and we drop to raw SQL where a query needs it.
Yes. We frequently co-deliver with in-house .NET teams, adding architecture guidance, engineering capacity, and Azure expertise while your team retains ownership.
We run each engagement in clear phases: discovery and architecture, agile development with automated testing and CI/CD, a controlled deployment, and ongoing support. Scope and acceptance criteria are agreed upfront so delivery stays predictable.
Yes. We modernize WPF and WinForms applications and build cross-platform desktop and mobile apps with .NET MAUI where that fits your users better than the web.
Book a free consultation. At AppStudio, we review your goals, current stack, and timeline, then recommend a discovery or pilot engagement with a clear scope and estimate.
We serve clients across Canada and the United States, with remote delivery and optional on-site workshops during discovery.
Yes. If you need embedded engineers, our hire .NET developers option places vetted developers on your team; we also deliver full, outcome-owned project engagements.
Yes. .NET offers strong performance, mature security, deep Azure integration, and long-term Microsoft support, which makes it a dependable foundation for enterprise workloads you plan to run for years.

Discover. Build. Deploy .NET That Performs.

Build a .NET program aligned to your business outcomes, with clean architecture, Azure-native deployment, and engineering support that keeps releases predictable sprint after sprint.

Book a Free .NET Development Consultation →
.NET development consultant

Request a .NET Development Consultation

Tell us about your application goals, stack, integrations, and timeline using the form below and our .NET development team will reach out to discuss your requirements and the approach that fits best.

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