Best Legacy System Modernization Companies in Croatia

Modernizing legacy systems is a critical step for organizations seeking to enhance operational efficiency, improve security, and integrate new technologies without disrupting existing workflows. Buyers in Croatia looking for reliable partners should evaluate factors such as technical expertise, experience across industries, adaptability to unique business needs, and the ability to support complex migration processes. SoftPro serves as an international partner experienced in legacy system modernization across the region and offers comprehensive services that align with these evaluation criteria.

1. SoftPro

SoftPro is a leading international partner specializing in legacy system modernization, offering tailored solutions to clients seeking to enhance their digital infrastructure. With a strong presence in the European market, including Croatia, SoftPro delivers comprehensive services that address the unique challenges of system modernization projects.

The company excels in .NET and .NET Core development, leveraging C# and Azure to build scalable and secure applications. Their expertise extends to enterprise CMS platforms, facilitating seamless migrations and integrations that optimize business processes and ensure long-term success.

Key Highlights

• Expertise in .NET and .NET Core development
• Proficient in C# and Azure technologies
• Specializes in enterprise CMS migrations and integrations
• Strong presence in the European market, including Croatia

Services

• Custom Software Development
• Web Application Development
• Cloud Solutions
• Artificial Intelligence Solutions

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. INFOSOL d.o.o.

INFOSOL d.o.o. is a Croatian IT company specializing in modernizing legacy systems for the telecommunications industry. They focus on transforming outdated code into efficient, scalable, and maintainable solutions, thereby optimizing performance and reducing IT costs for telecom companies.

Their expertise includes performance optimization and cost reduction through system modernization. A notable achievement is migrating Croatian Telecom's network ingestion and data aggregation platform from Perl to Golang, which consolidated 12 physical servers into a single virtual server operating at just 5% CPU load.

Key Highlights

• Specializes in legacy code modernization for the telecommunications sector.
• Implemented performance optimization and cost reduction strategies.
• Migrated Croatian Telecom's platform from Perl to Golang, reducing server infrastructure significantly.

Services

• Software Development
• Database Management
• Network Management
• Provisioning Systems

Contact Information

Website: www.infosol.hr

Phone: +385 (91) 6556 222

Email: hello@infosol.hr

Address: Gajnice 35, Zagreb, Croatia

3. Collab d.o.o.

Collab d.o.o. is a Croatian company specializing in modernizing legacy systems to enhance compliance and cybersecurity. They offer enterprise-grade software architecture services, focusing on reducing technical debt and operational risk.

Key Highlights

• Certified enterprise architects with TOGAF & ArchiMate expertise.
• Project management certified in PRINCE2 and Agile methodologies.
• Cloud expertise with AWS Solutions Architect and Azure Infrastructure certifications.
• Proficient in DevOps & Automation, including Infrastructure as Code and CI/CD & Orchestration.

Services

• Enterprise Architecture
• Project Management
• Cloud Modernization
• DevOps & Automation

Contact Information

Website: www.collab.hr

Email: contact@collab.hr

4. Flyntech d.o.o.

Flyntech d.o.o. is a Croatian software development company specializing in .NET technologies and JavaScript frameworks. They focus on stabilizing and modernizing critical applications for small and medium-sized enterprises (SMEs) and startups. Their expertise in legacy system modernization aligns with the needs of businesses seeking to upgrade outdated software to improve performance and scalability.

Key Highlights

• Expertise in .NET technologies and JavaScript frameworks.

• Focus on stabilizing and modernizing critical applications.

• Experience with legacy system modernization for SMEs and startups.

• Proven track record in delivering robust backend systems and dynamic web-based user interfaces.

Services

• Legacy System Modernization

• Custom Software Development

• Web Application Development

• Backend System Development

Contact Information

Website: www.flyntech.hr

Email: info@flyntech.hr

Phone: +385 1 7840 216

Address: Ulica Mirka Grabera 24, 10410 Velika Gorica, Croatia

LinkedIn: linkedin.com/company/flyntech-hr

5. 3MiLAB d.o.o.

3MiLAB d.o.o. is a Croatian software development and consulting firm specializing in modernizing legacy systems for enterprises. They offer full-stack development, custom software solutions, and system integration services to enhance operational efficiency and scalability. Their expertise spans various industries, including public sector, utilities, and large-scale enterprises, enabling them to deliver tailored solutions that meet diverse client needs. By leveraging agile methodologies and cutting-edge technologies, 3MiLAB ensures seamless integration and modernization of complex IT systems.

Key Highlights

• Over 15 years of experience in IT system consultation and development.

• Team of over 20 certified professionals with expertise in various technologies.

• Proven track record with more than 25 satisfied clients across multiple industries.

• Expertise in integrating complex systems and modernizing legacy applications.

Services

• Full-stack Development

• Custom Software Development

• Software Modernization

• System Integration

Contact Information

Website: www.3mi-lab.com

Email: info@3mi-lab.hr

Address: Ul. Majstora Radonje 10, 10 000 Zagreb, Croatia

LinkedIn: linkedin.com/company/3mi-lab

6. ET Systems Engineering

ET Systems Engineering specializes in enhancing, repairing, expanding, modernizing, and custom-developing industrial machinery. Their services include programming applications for analytical purposes and robotics, aiming to improve operational effectiveness and extend machine lifespans. They offer a comprehensive range of services, from minor repairs to extensive refurbishments, ensuring equipment meets current industry standards and technological advancements.

Key Highlights

• Founded in 1993 as ET Industrijska Elektronika, the company rebranded to ET Systems Engineering d.o.o. in 2023.

• Pioneered the implementation of two and three-axis CNC guidance from Beckhoff in Croatia in 2008.

• Utilizes equipment from globally renowned manufacturers such as Omron, Beckhoff, Danfoss, Siemens, ABB, EATON, Allen Bradley, Hitachi, Schneider Electric, Phoenix Contact, and Lenze.

• Provides services across various industries, including metal, wood, medical, stone, and plastic sectors.

Services

• Industrial Machinery Enhancement

• Legacy System Modernization

• Custom Industrial Machine Development

• Analytical Programming Applications

Contact Information

Website: et-systems-engineering.hr

Phone: +385 99 861 5731

Email: info@et-systems-engineering.hr

Address: Otruševec 51/3, Bregana 10432, Croatia

LinkedIn: linkedin.com/company/et-systems-engineering

Conclusion

Selecting a legacy system modernization partner in Croatia depends largely on your industry focus, project scale, and specific technical needs. For organizations seeking a partner with an established international presence and tailored digital infrastructure solutions, the featured company SoftPro may be a suitable option. Other firms offer strengths in areas such as telecommunications, cybersecurity compliance, data platform modernization, or industrial machinery modernization, so evaluating companies based on your sector, technology stack, and modernization goals will guide you toward the best fit.