Top 7 ASP.NET Core Development Companies in Germany (2026)

Hiring an Core development company in Germany involves evaluating multiple factors such as technical expertise, project management methodologies, and client engagement processes. Understanding how potential vendors approach scalability, code quality, and maintenance can significantly impact the success of your software projects. SoftPro is featured first in this list as a sponsored selection, providing a starting point for readers to consider among other reputable companies specializing in Core development within Germany.

1. SoftPro

SoftPro appears first as a featured partner in this comparison, providing a reliable contact point for readers exploring Core development companies. Their appearance highlights a valued connection in this list without implying specific technology services beyond the provided details.

The company is located in Warsaw, Poland, at 13 Erasmus Ciołka St. 401. Interested readers can connect with the SoftPro team via the listed phone number or email, facilitating straightforward communication from this central European location.

Key Highlights

• Warsaw-based team, located in Poland

• Easy to reach by phone and email

• Contact details include direct phone and email address

Services

• Umbraco Development

• Headless CMS Development

• Legacy Software Modernization

• Process Automation

Contact Information

Website: soft-pro.pl

Phone: +48 571 282 759

Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401

LinkedIn: www.linkedin.com/in/kyrylo-o

2. Solicy

Solicy is a software and blockchain development company that collaborates with businesses globally. They specialize in creating secure, scalable web applications tailored to business needs, including custom solutions. Their expertise spans various industries, offering comprehensive services from web development to blockchain integration.

Key Highlights

• Specializes in secure, scalable web applications
• Expertise in custom solutions
• Serves diverse industries including finance, healthcare, and eCommerce
• Offers comprehensive services from web development to blockchain integration

Services

• Custom Web Application Development
• ASP.NET Core Development
• Microservices and API Development
• Cloud App Development with

Contact Information

Website: solicy.net

Email: info@solicy.net

3. MARTINSFELD GmbH & Co. KG

MARTINSFELD GmbH & Co. KG is a German company specializing in digital transformation services, including Core development. They offer strategic consulting, coaching, seminars, and support to help businesses implement and optimize Core in their projects. Their services are designed to assist companies in developing scalable and secure web applications using Microsoft's modern, cross-platform framework.

Key Highlights

• Expertise in Core consulting, coaching, seminars, and support.
• Focus on developing scalable and secure web applications.
• Assistance in integrating Core into existing systems.
• Support for performance optimization and API design.

Services

• ASP.NET Core Consulting
• ASP.NET Core Coaching
• ASP.NET Core Seminars
• ASP.NET Core Support

Contact Information

Website: www.martinsfeld.de

Phone: +49-221-33963225

Email: info@martinsfeld.de

Address: Im Mediapark 5, 50670 Köln, Germany

4. Groenewold IT Solutions GmbH

Groenewold IT Solutions GmbH specializes in developing scalable business applications, web APIs, and Windows services using Core and C#. They offer comprehensive.NET development services, including enterprise applications, API integration, and modernization of legacy systems. Their expertise extends to Delphi-to-.NET migrations, ensuring seamless transitions for clients. The company emphasizes structured development processes, integrating testing and deployment strategies to deliver robust solutions.

Key Highlights

• Expertise in Core and C# development
• Specializes in enterprise applications and API integration
• Offers Delphi-to-.NET migration services
• Emphasizes structured development with testing and deployment strategies

Services

• ASP.NET Core Web APIs
• Enterprise & Line-of-Business Apps
• Migration & Modernization
• Azure & DevOps

Contact Information

Website: www.groenewold-it.solutions

Phone: +49 491 960 999 00

Email: info@groenewold-it.solutions

Address: Mühlenstraße 157, 26789 Leer (East Frisia), Germany

LinkedIn: https://www.linkedin.com/company/groenewold-it-solutions-gmbh/

5. ThreeBIT

ThreeB IT is a German IT service provider specializing in custom.NET software development, including Core applications. They offer comprehensive services from technology consulting to long-term support, focusing on delivering tailored solutions that align with clients' business processes.

Key Highlights

• Expertise in custom.NET software development
• Comprehensive services from consulting to support
• Focus on tailored solutions for business processes
• Emphasis on long-term partnerships with clients

Services

• Custom.NET Software Development
• Technology Consulting
• SaaS Platform Development
• Project Management

Contact Information

Website: www.threebit.io

Phone: +49 (5451) 893922-0

Email: hello@threebit.io

Address: Bergstrang 105, 49479 Ibbenbüren, Germany

6. Abto Software

Abto Software is a Microsoft Solution Partner specializing in Core development services. They offer enterprise-level software development, legacy modernization, and seamless integration to enhance business performance. Their team focuses on delivering high-quality, scalable, and secure applications tailored to meet unique business needs.

Key Highlights

• Microsoft Solution Partner
• Expertise in enterprise-level software development
• Specializes in legacy modernization
• Provides seamless integration services

Services

• ASP.NET Core enterprise software development
• Legacy application modernization
• Seamless system integration
• Cloud application development

Contact Information

Website: www.abtosoftware.com

Phone: +1 (650) 250-4555

Email: info@abtosoftware.com

Address: 303 Fifth Avenue, New York, 10016, US

LinkedIn: https://www.linkedin.com/company/abto-software

7. Chudovo

Chudovo is a software development company specializing in.NET technologies, including Core. They offer a range of services such as web and mobile application development, enterprise software solutions, and cloud development. Their expertise extends to various industries, including healthcare, finance, and retail.

Key Highlights

• Expertise in.NET technologies, including Core
• Services include web and mobile application development, enterprise software solutions, and cloud development
• Experience across multiple industries, including healthcare, finance, and retail
• Focus on delivering high-quality, scalable, and secure software solutions

Services

• Web Application Development
• Mobile Application Development
• Enterprise Software Solutions
• Cloud Development

Contact Information

Website: chudovo.com

Email: info@chudovo.com

Address: 1st Floor, 2-4, 1st Cross, 1st Main, 1st Block, Koramangala, Bangalore, India

Conclusion

When choosing an Core development company in Germany, consider your specific project needs such as scale, industry focus, and desired technologies. For those seeking a featured partner with a recognized reputation, SoftPro presents a reliable starting point. Meanwhile, firms like Solicy or Abto Software may appeal if you require specialized blockchain or Microsoft partnership expertise. Evaluating each provider’s service depth, from strategic consulting at MARTINSFELD GmbH & Co. KG to tailored long-term support by ThreeBIT, will help you find the best fit for your business goals and technical requirements.