.NET Development & Integration
Custom applications, services and interfaces with C# and .NET – including third-party integrations via REST, Microsoft Graph and webhooks. From concept through implementation to operations.
C#ASP.NETMicrosoft Graph
20 years of Microsoft expertise · Made in Austria
Custom Software & Cloud Solutions for Your Business.
Since 2006, IT/APP has been building custom solutions with .NET, SharePoint and Microsoft 365, modern web apps with TypeScript and React, and scalable cloud architectures on Azure – with support for AI adoption on request.
.NET / C#TypeScript / ReactNext.jsAzure CloudSharePoint & Microsoft 365SPFxAI Integration
// Services
Everything from a single source – from idea to operations.
Modern Web Apps
Fast, maintainable web applications with TypeScript, React and Next.js – from interactive portals to dashboards. Type-safe, accessible and built for the cloud (this website runs on exactly this stack).
TypeScriptReactNext.js
SharePoint & Microsoft 365
Consulting, development and migration for SharePoint Online and on-premises – intranet portals, document management (DMS), workflows and custom extensions with SPFx (TypeScript & React).
SharePoint OnlineSPFxPower Platform
Cloud & Azure
Scalable, secure cloud solutions on Microsoft Azure: App Service, Functions, Static Web Apps, Azure SQL/Storage, Entra ID, plus automated deployment via GitHub Actions and Azure DevOps.
Azure App ServiceFunctionsCI/CD
AI Consulting & Integration
From AI strategy to implementation: potential analysis, Copilot & LLM integration (incl. Azure OpenAI), process automation – responsible and EU AI Act compliant.
AI StrategyCopilotAzure OpenAI
Consulting & Workshops
Technology consulting at eye level: architecture reviews, feasibility studies and workshops for your team – including AI topics.
ArchitectureWorkshopsTraining
// AI Expertise
Artificial intelligence – used responsibly
On request, we also help you apply AI where it delivers measurable value – with a clear focus on data protection and regulatory compliance.
- –AI Strategy & Potential Analysis: Identify use cases, assess effort and value.
- –Copilot & LLM Integration: Securely connect Microsoft 365 Copilot, Azure OpenAI & co.
- –Governance & Compliance: GDPR-compliant and mindful of the EU AI Act.
// About us
IT/APP GmbH
IT/APP has been helping companies modernize their collaboration and process landscapes with Microsoft 365, SharePoint and Azure since 2006. We take ownership of the entire project lifecycle: from requirements and architecture through development and rollout to operations.
Our stack includes C#/.NET, SPFx, TypeScript/React and Azure for scalable, secure cloud solutions – such as intranet portals, document management and modern cloud apps that boost productivity and future-proof your business. With our managing director's certification as an AI Manager (Austrian Standards), we combine solid engineering with strategic AI know-how.
Managing Director: Michael Appinger, BSc
Certifications
- Certified AI Manager (Austrian Standards, P85:2025-08-26)
- Professional Scrum Master I
- PRINCE2® Foundation
- ITIL® Foundation
20
years of expertise with Microsoft technologies (since 2006)
End-to-End
from requirements to operations – all from one source
100%
personal support – direct collaboration
// Contact
Let's talk about your project.
Whether it's a concrete plan or an early idea – we look forward to hearing from you and will get back to you promptly.