Top 13 WCF Development Companies in Germany (2026)
WCF may not be the newest name in the .NET world, but plenty of German businesses still rely on it quietly in the background. It sits inside older enterprise systems, internal service layers, integration-heavy platforms, and software that simply cannot be replaced overnight.
That is why choosing the right WCF development company matters. This list looks at companies in Germany that can work with existing WCF applications, support service-oriented architecture, modernize .NET systems where needed, and help businesses keep critical software stable without rushing into messy rebuilds.
1. Oski Solutions
Oski Solutions provides WCF development services in Germany for businesses that still depend on Microsoft-based service architecture, internal systems, and older .NET applications that need careful support. We work with Windows Communication Foundation as part of a broader Microsoft stack, helping companies design, develop, deploy, and maintain service-oriented applications where secure data exchange still matters.
Our work is focused on custom software and web development for companies that want to modernize systems, improve integrations, or scale operations without breaking what already works. Oski Solutions supports WCF communication between existing applications, third-party platforms, and internal services, especially in industries such as e-commerce, healthcare, fintech, logistics, manufacturing, SaaS, and professional services. Along with WCF, we use .NET, C#, cloud tools, databases, frontend frameworks, and custom API development to build or improve digital infrastructure. We also work in a remote-friendly, agile way, which fits companies that need transparent communication and a long-term technical partner rather than a short one-off vendor.
Key Highlights:
Works with WCF for secure communication, service-oriented applications, and data exchange
Supports legacy system modernization without pushing every client toward a full rebuild
Covers custom software development, web development, team augmentation, and IT outsourcing
Works with B2B companies that rely on software for daily operations and internal processes
Handles projects with attention to confidentiality, including NDA-based cooperation when needed
Services:
WCF development
WCF integration with existing .NET systems
Secure service communication setup
Legacy WCF system support and modernization
Custom API development and third-party integrations
.NET and C# software development
Cloud and DevOps support for Microsoft-based applications
Contact Information:
Website: oski.site
E-mail: [email protected]
LinkedIn: www.linkedin.com/company/oski-solutions
Address: Kaupmehe tn 7, 10114 Tallinn, Estonia
Phone: +48571282759
WCF Development Services
Build secure, scalable, and reliable enterprise services, implement seamless integrations, and develop robust communication solutions with our experienced WCF development team.
2. Digital Corn
Digital Corn provides WCF development services in Germany along with custom application development and IT outsourcing. They work with Microsoft technologies and cover both WCF and WPF.
The company also works with WPF application development, using Microsoft Visual Studio and related tools to create Windows applications with structured interfaces. For WCF development, Digital Corn can support custom service setup, SharePoint-related WCF services, and communication layers for .NET-based systems.
Key Highlights:
Works with WCF and WPF as part of Microsoft .NET development
Supports custom application development and IT outsourcing
Builds service-oriented applications for data exchange across systems
Covers WCF services connected with SharePoint environments
Services:
WCF development
WPF application development
Custom .NET application development
WCF service customization
SharePoint WCF services
Windows desktop application development
Contact Information:
Website: http://www.digitalcorn.com
E-mail: [email protected]
Facebook: www.facebook.com/DigitalCorn
Twitter: x.com/digital_corn
LinkedIn: www.linkedin.com/in/digitalcorn
Instagram: www.instagram.com/digitalcorn
Address: Krautgartenweg, 186586 Hiltenfingen, Germany
Phone: (+49) 8232962251
3. Net Devs
net-devs works on enterprise software development with a senior-led delivery model and provides services. .NET is part of its development capabilities, alongside JVM, Node, Python, Go, and modern frontend frameworks. For WCF development, net-devs is a fit for companies that need experienced engineers to work with existing Microsoft-based systems while also planning how those systems should evolve.
The company uses AI-supported delivery, but architecture and final quality remain in human hands. That detail matters for WCF work, because older service layers often need careful review before anyone changes them. net-devs also covers cloud and platform engineering across Azure, AWS, and GCP, so they can support WCF-related systems that sit inside a broader enterprise setup with infrastructure, testing, deployment, and ongoing improvements.
Key Highlights:
Works with .NET as part of a wider engineering stack
Uses senior engineers to lead architecture, delivery, and quality review
Applies AI-assisted development without removing human control from technical decisions
Supports cloud-native systems across Azure, AWS, and GCP
Covers backend, frontend, QA, deployment, and ongoing system updates
Services:
.NET development
WCF system support and modernization
Enterprise software development
Cloud and platform engineering
AI-assisted software delivery
Contact Information:
Website: net-devs.com
E-mail: [email protected]
LinkedIn: www.linkedin.com/company/net-devs
Address: Obrzeżna 1D, 02-691 Warszawa, Poland
Phone: +48 571 282 759
4. Innowise
Innowise provides .NET development services in Germany and includes WCF within its Microsoft technology stack. The company works with web, mobile, desktop, cloud-based, and IoT software, so its WCF-related work sits inside a broader .NET development offering rather than as a separate narrow service. Innowise supports companies that need service-oriented applications, API and web services, business portals, line-of-business apps, CRM systems, ERP systems, and internal software built around Microsoft technologies.
The company also covers ASP.NET Core, ASP.NET MVC, Web API, Web Forms, WPF, Xamarin, SharePoint, Power BI, Power Apps, and Microsoft 365 customization. That mix is useful when WCF is only one part of a larger system, especially in sectors such as finance, healthcare, education, eCommerce, logistics, manufacturing, and insurance.
Key Highlights:
Provides .NET and WCF development services in Germany
Works with WCF as part of its Microsoft technology expertise
Covers web, desktop, mobile, cloud, and IoT software development
Supports software audits, modernization, migration, and maintenance
Services:
WCF development
.NET software development
API and web services development
Legacy .NET application modernization
.NET software audit
Migration to ASP.NET Core
WPF development
Contact Information:
Website: innowise.com
E-mail: [email protected]
Twitter: x.com/innowisegroup
LinkedIn: www.linkedin.com/company/innowise-group
Address: Große Gallusstraße 16, Frankfurt am Main, Germany
Phone: +49 30 520 158 80
5. GP Solutions
GP Solutions works with .NET development, software integration, modernization, and custom business applications. Their WCF-related work sits inside the software integration part of their .NET services, where they connect .NET systems with APIs, ERP and CRM platforms, databases, vendor SDKs, and other external services.
They cover web applications, desktop software, cloud-ready systems, software audits, business analysis, and .NET consulting. GP Solutions can also work with microservice architecture, API and web services, enterprise-grade software, CRM and CMS systems, and ERP systems. Their development stack includes .NET Framework, .NET Core, ASP.NET MVC Core, WPF, Xamarin, SQL Server, MySQL, MongoDB, C#, F#, TypeScript, Python, Azure, AWS, Google Cloud, Docker, Kubernetes, Jenkins, Power BI, and other tools used around larger business systems.
Key Highlights:
Works with WCF inside .NET software integration services
Builds .NET-based business software for sectors such as travel, finance, healthcare, retail, e-learning, automotive, and government
Services:
WCF-based software integration
Custom .NET development
API and web services development
ERP and CRM system integration
Desktop software development
Software modernization
Contact Information:
Website: gpsolutions.com
Facebook: www.facebook.com/GPsolutions.GmbH
LinkedIn: www.linkedin.com/company/gp-solutions-gmbh
Instagram: www.instagram.com/gp.solutions
Address: Lise-Meitner-Straße 1, 85716, Munich Area
Phone: +48 22 266-21-33
6. CubeMatch
CubeMatch provides WCF development as part of its Microsoft development services. They work with service-oriented applications, WCF web services, service hosting, transaction support, and messaging through MSMQ. Their WCF page focuses on communication between systems, distributed application development, SOAP-based interoperability, security, reliability, and queue-based message handling.
Alongside WCF, CubeMatch covers C# development, ASP.NET development, WPF, MVC, SSRS, Microsoft Web API, and SharePoint development services. The company's WCF offering also includes work with COM+ components and interoperability between WCF services and non-Microsoft systems.
Key Highlights:
Provides WCF development within Microsoft development services
Builds service-oriented applications using Windows Communication Foundation
Works with SOAP interoperability, distributed transactions, reliability, and security
Supports queue management and messaging through MSMQ
Covers interoperability between WCF services and non-Microsoft systems
Services:
WCF web services
WCF service hosting
Queue management and messaging
MSMQ implementation
Transaction support implementation
COM+ component development
Contact Information:
Website: www.cubematch.com
E-mail: [email protected]
Facebook: www.facebook.com/CubeMatch
Twitter: x.com/CubeMatchLtd
LinkedIn: www.linkedin.com/company/cubematch-ltd
Address: Weilimdorfer Str. 74/3, D-70839 Gerlingen, Germany
Phone: +49 71 56 92 61 0
7. SoftPro
SoftPro is a custom software development company working with the Microsoft stack, including Azure, ASP.NET, .NET Core, and related backend technologies. Its Microsoft-focused development background fits work around .NET systems, web applications, cloud migration, and business software that may need support or modernization. SoftPro also works with frontend, backend, CMS platforms, and full-stack development.
The company's services cover software development, web application development, cloud development, and artificial intelligence. SoftPro builds responsive and secure web apps, cloud-native applications, and custom systems for business process improvement. Their leadership background includes long experience with .NET/C#, SQL, PowerBuilder, database development, project management, and complex architecture design.
Key Highlights:
Covers web application development, cloud development, and AI-related solutions
Supports backend, frontend, and CMS-based software work
Has experience with database development, software architecture, and project management
Uses technologies suited for modernization, cloud migration, and scalable business systems
Services:
Custom software development
.NET and Microsoft stack development
Web application development
Cloud-native application development
Cloud migration and infrastructure support
Backend development
Contact Information:
Website: soft-pro.pl
LinkedIn: www.linkedin.com/in/kyrylo-o
Address: Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401, Warsaw, Poland
Phone: +48 571 282 759
8. SQL Projekt AG
SQL Projekt AG develops individual software with Microsoft .NET, .NET Core, and related Microsoft development tools. WCF appears directly in their technology stack, together with C#.NET, ASP.NET, Entity Framework, WebServices, WPF, MVC, MVVM, SQL, and Microsoft Azure. Their .NET work covers desktop applications, server applications, client-server systems, web applications, web services, mobile applications with Xamarin, and cloud applications based on Azure.
SQL Projekt AG puts a clear focus on maintainability and further development, which matters for WCF-based systems that often stay in business environments for years. They also offer support contracts for individual applications, so maintenance tasks, bug fixes, and later extensions can be handled after the first release.
Key Highlights:
Works with Windows Communication Foundation as part of its Microsoft .NET technology stack
Develops desktop, server, client-server, web, mobile, and Azure-based applications
Builds individual software for both simple applications and complex business workflows
Provides support contracts for maintenance, bug fixing, and future development
Services:
WCF development
Custom .NET software development
Web services development
Client-server application development
Azure cloud application development
WPF application development
Contact Information:
Website: sql-ag.de
E-mail: [email protected]
Instagram: https://www.instagram.com/sql_projekt_ag
Address: SQL Projekt AG, Franklinstr. 25a, 01069 Dresden
Phone: +49 351 876 19-0
9. Adesso
Adesso is an IT service provider focused on digital transformation, enterprise systems, AI, software delivery, and business process improvement. They work at the point where business requirements, engineering, and complex technology environments meet. For WCF development, that kind of background is useful when older service-based systems need to be assessed, integrated, maintained, or moved gradually into a more modern architecture.
The company's work covers industries and large operational environments, including customer service platforms, digital commerce, Microsoft 365 adoption, gaming portals, insurance applications, and agile transformation support. Adesso also places a strong focus on Agentic AI and production-ready delivery processes, but the human engineering side stays central in their message.
Key Highlights:
Works with enterprise software, digital transformation, AI, and business process systems
Covers consulting, engineering, delivery processes, and operational implementation
Uses AI-supported delivery while keeping architecture, quality, and responsibility with people
Services:
Enterprise software development
Legacy system assessment and modernization
Application integration
Microsoft-related system support
AI-assisted software delivery
Digital process implementation
Contact Information:
Website: www.adesso.de
E-mail: [email protected]
Facebook: www.facebook.com/adessoSE
LinkedIn: www.linkedin.com/company/adesso-se
Instagram: www.instagram.com/adesso_se
Address: Adessoplatz 1, 44269 Dortmund
Phone: +4923170007000
10. Inovex
Inovex develops individual software, digital products, data and AI solutions, infrastructure systems, and digital strategy work. Their service range is broader than classic .NET development, but it includes custom software projects for apps, UI/UX, IoT, and medical device software. Inovex fits the type of work where an older service layer has to be understood as part of a wider software landscape, especially when infrastructure, platform engineering, or product development decisions are involved.
They also work with platform engineering, Kubernetes, IoT, data science, AI, and practical technology training. That gives their software development services a fairly technical shape: not just coding screens, but also architecture, production readiness, and system operation. When WCF is part of an existing backend or internal tool, Inovex can approach it through custom software development, integration work, modernization planning, and the infrastructure around the application.
Key Highlights:
Develops individual software solutions for apps, UI/UX, IoT, and medical device software
Covers software projects, data and AI, infrastructure projects, and digital product development
Works with modern architecture topics such as platform engineering and Kubernetes
Provides digital strategy advisory alongside engineering work
Services:
Custom software development
Application modernization
Backend and integration development
Digital product development
Infrastructure and platform engineering
Data and AI development
Contact Information:
Website: www.inovex.de
E-mail: [email protected]
LinkedIn: www.linkedin.com/company/inovex
Instagram: www.instagram.com/inovexlife
Address: Lindberghstraße, 380939 Munich
Phone: +49 721 619 021-0
11. 21Century.Tech
21Century.Tech works as an AI-native software studio with a focus on fast production software delivery. They use senior engineers together with Claude-based development support, where AI helps with code generation, boilerplate, tests, documentation, and refactoring, while engineers keep control over architecture, business logic, security decisions, code review, and final quality.
The company's delivery model is built around clear scoping, AI-augmented development, daily demos, CI/CD, tests, documentation, and deployment to client infrastructure or their own environment. 21Century. Its work around legacy refactoring, full-stack features, third-party integrations, and production-grade software can support teams dealing with older Microsoft-based communication layers as part of wider system changes.
Key Highlights:
Uses senior engineers with AI-assisted development workflows
Keeps architecture, business logic, security judgment, and QA under human review
Works on MVPs, full-stack features, legacy refactoring, and third-party integrations
Uses daily demos to keep delivery visible during development
Services:
Legacy software refactoring
Full-stack software development
Third-party integrations
AI-assisted code generation and testing
CI/CD setup
Technical documentation
Contact Information:
Website: 21century.tech
E-mail: [email protected]
12. Jambit
Jambit provides software development, AI transformation consulting, digital platforms, cloud services, data solutions, and security-related engineering. Their technical service areas include AI-assisted development, platform architecture, DevOps, data engineering, secure software engineering, and compliance support. Jambit's broader engineering background can support companies that need to keep older service-based systems stable while also improving the surrounding platform, delivery process, or security setup.
The company works across automotive, banking and insurance, energy, healthcare, industry, logistics, and media. Its service structure is more focused on modern software delivery and transformation than on one narrow technology page, so WCF would likely sit inside a larger technical portfolio, for example application modernization, integration work, platform changes, or secure backend development. That is often how older WCF systems are handled anyway - not as a shiny new build, but as part of a bigger software estate that has to keep running.
Key Highlights:
Covers software development, cloud platforms, data solutions, AI, and security
Works with AI-assisted software development and agentic workflows
Provides platform engineering, DevOps, and cloud architecture services
Supports quality, security, governance, and compliance work
Services:
Custom software development
Application modernization
Backend system development
Platform engineering
Cloud and DevOps services
Security and compliance support
Contact Information:
Website: www.jambit.com
LinkedIn: www.linkedin.com/company/jambit-gmbh
Instagram: www.instagram.com/jambit_com
Address: Friedrichstraße 45, 70174 Stuttgart
Phone: +49.711.21 95 28
13. AOE
AOE builds digital products, platforms, and software systems for industries such as energy, financial services, insurance, manufacturing, media, public services, and telecommunications. Their services cover engineering and delivery, software architecture, cloud and DevOps, AI and data, operations, digital strategy, research, and product design. WCF development can fit into this kind of service mix when an older system landscape needs to be maintained, connected, or modernized without treating the technology layer as a separate island.
AOE also runs managed services for mission-critical platforms and works with system modernization, digital channels, automation, and scalable software foundations. Their process includes discovery, strategic planning, agile development, QA, deployment, support, and continuous improvement.
Key Highlights:
Builds digital products, platforms, and custom software systems
Covers software architecture, engineering delivery, cloud, DevOps, AI, data, and operations
Works with modernization of system landscapes and new digital channels
Provides QA, deployment, support, and continuous improvement after release
Services:
WCF development
Software architecture
System modernization
Cloud and DevOps services
QA and deployment support
Contact Information:
Website: www.aoe.com
E-mail: [email protected]
Facebook: www.facebook.com/aoepeople
LinkedIn: www.linkedin.com/company/aoe
Instagram: www.instagram.com/aoepeople
Address: LuisenForum, Kirchgasse 6 65185 Wiesbaden
Phone: +49 6122 70707-0
Conclusion
WCF is not the loudest technology in modern software development, but it still has a real place in many business systems. For companies that use .NET-based applications, internal services, older enterprise platforms, or integration-heavy software, WCF work often means careful maintenance, secure communication, and gradual modernization rather than a clean rebuild from zero.
The companies in this list approach WCF from different angles. Some focus directly on Microsoft development and service-oriented applications, while others bring broader experience in enterprise software, cloud, DevOps, AI-assisted delivery, and legacy system modernization. The right choice depends on what the system actually needs - stable support, integration work, refactoring, migration planning, or a wider update of the surrounding software environment. In this area, a practical team with patience and real .NET experience is usually more useful than a flashy promise.
