Outdated legacy systems introduce critical business risks. They often suffer from security flaws, demand excessive maintenance resources, and lack the flexibility to scale. 
Proactive modernization of this software is therefore a strategic imperative. Companies must evolve their digital foundations to protect their competitive position.
We have compiled this list of six top software modernization partners for 2026. Our selection is based on each provider’s demonstrated ability to convert legacy systems into secure and scalable digital solutions.
These firms offer different methodologies, giving you a range of options to tackle your digital transformation effectively.

1. Euristiq

Euristiq
Euristiq delivers strategic software engineering and consulting services to a diverse client base. You can explore their approach at https://euristiq.com/legacy-modernization/.
The company functions as both a digital transformation partner and software modernization provider, focusing on long-term collaborative relationships rather than transactional technology services. This partnership model prioritizes exceptional delivery, operational performance, and profitability enhancement.
Since its establishment in 2016, Euristiq has built custom software solutions that form operational foundations for client businesses. The company’s development approach enables organizations to reimagine their operations through practical digital innovation.
Euristiq’s methodology supports measurable business outcomes, including cost reduction, growth acceleration, and sustained innovation capacity.
Service Portfolio

  • Digital Consulting & AI Advisory;
  • Custom Application & Platform Development;
  • Cloud-Native & IoT Development;
  • Legacy System Modernization;
  • Process Automation & DevOps Engineering.

Euristiq presents a compelling option for enterprises requiring both technical execution and strategic vision. The organization maintains a distinctive focus on co-creating solutions that maximize profitability and performance.
This ensures clients achieve not only project completion but also durable competitive advantages through their technology investments.

2. Forbytes 

Forbytes
Forbytes maintains a development methodology centered on established technical expertise and reliable, clean code execution.
The company’s team consists primarily of senior-level specialists who deliver precisely calibrated solutions spanning custom software, data platforms, AI implementations, and e-commerce architectures.
These technical deliverables function as strategic business assets that directly enhance market competitiveness and operational growth.
The organization provides software development services focused on enhancing business efficiency and customer engagement capabilities.
With thirteen years of operational experience and a professional team exceeding one hundred members, Forbytes brings specialized capabilities in software engineering, data systems, artificial intelligence, and electronic commerce. 
The company cultivates sustained client relationships across business segments from emerging startups to established enterprises, delivering scalable software solutions maintained at high-quality thresholds.
Service Portfolio

  • Custom Software & MVP Development;
  • AI & Data Engineering;
  • E-commerce & Marketplace Development;
  • System Integration & IT Consulting;
  • Extended Engineering Teams.

Forbytes demonstrates particular strength through its concentration of senior technical talent and client-centric operational model. The company’s sustained growth pattern indicates reliable responsiveness to evolving client requirements. 
Organizations typically engage Forbytes to access its accumulated technical proficiency and flexible collaboration framework, which collectively support the implementation of efficient, scalable digital solutions.

3. Avenga

Avenga
Avenga provides software modernization and digital transformation services, supported by over 30 years of industry experience. The company focuses on updating legacy systems and developing new applications that address specific client requirements, ensuring technology projects support clear business goals.
Supported by a global team across 57 delivery locations, Avenga specializes in modernizing IT infrastructure and applications for sectors including Life Sciences, Automotive, and Banking. 
The company’s methodology is designed to de-risk complex projects, helping organizations replace outdated systems with optimized, scalable, and secure digital assets.
Key Services

  • Custom Software Development;
  • Data and AI Solutions;
  • AdTech & MarTech;
  • Managed Services;
  • Specialized Engineering.

Avenga is suited for large-scale digital transformation projects that demand specific industry expertise and global execution.
The company’s long track record and structured approach provide clients with experienced guidance to navigate complex, regulated market environments.

4. Geniusee 

Geniusee
Geniusee maintains focused expertise across several high-growth sectors, including FinTech, EdTech, Retail, and Real Estate.
The company employs a partnership framework that prioritizes transparent operations and measurable outcomes.
A project portfolio exceeding one hundred successful implementations validates the organization’s capacity for delivering dependable and competitive technology solutions.
The organization functions as a technology provider specializing in custom software development and legacy system modernization. Since its founding in 2017, Geniusee has delivered full-cycle development services to a global clientele. 
The company leverages a team of senior professionals and a comprehensive technology stack, implementing a metrics-driven development process that ensures scalable software delivery aligned with strategic timelines and budgetary parameters.
Service Portfolio

  • Artificial Intelligence & Data Solutions;
  • Custom Software Development;
  • Technology Consulting & Strategy;
  • Cloud & DevOps Engineering;
  • Dedicated Team & Outstaffing.

Geniusee’s selection criteria typically emphasize its sector-specific expertise and flexible engagement structures. The company offers clients an operational blend of senior technical resources, an extensive technology stack, and validated experience within complex industries.
This combination ensures that delivered solutions directly address distinct market requirements and operational challenges.

5. Lionwood 

Lionwood
Lionwood maintains a client service model with particular concentration on Switzerland, Germany, the Netherlands, the UK, and the USA.
The company’s methodology integrates technical execution with strategic business insight, enabling organizations to implement software that directly supports their operational frameworks and corporate vision.
The organization operates as a software development company dedicated to practical digital solution delivery. Established in 2017, Lionwood emphasizes client objective attainment and business growth through customized software development.
A specialized team exceeding eighty-five professionals commits to achieving quantifiable outcomes through technical capability and collaborative implementation.
Service Portfolio

  • Custom Web and Mobile Application Development;
  • AI Development and Implementation Consulting;
  • Product Design and Strategic Planning;
  • Dedicated Development Teams and Outsourcing;
  • Quality Assurance and Software Testing.

Lionwood provides specialized expertise targeting European and North American market requirements. The company supplies dedicated development teams that maintain seamless integration with client operational structures. 
This approach merges technical competency with comprehensive business understanding, producing software solutions that simultaneously address immediate operational demands and strategic long-term objectives.

6. Euvic, Inc.

Euvic, Inc
Euvic operates a structured Smart Delivery Model that connects international clients with engineering teams based in Poland.
This framework provides nearshoring benefits to multiple sectors, including manufacturing, finance, healthcare, and retail. The model facilitates scalable collaboration while maintaining a relationship-oriented approach to service delivery.
The organization functions as a global IT services firm with its headquarters in Poland and operational presence across Europe, the United States, and the Middle East. Since its establishment in 2005, Euvic has assembled an engineering team exceeding 5,000 professionals. 
The company offers twenty years of accumulated experience across digital transformation initiatives, software development, cloud services, artificial intelligence, and process automation.
Service Portfolio

  • Legacy System and Application Modernization;
  • Custom Software and Application Development;
  • AI, Automation, and Computer Vision Solutions;
  • Digital Strategy and IT Transformation;
  • Cloud Services and Infrastructure Optimization.

Euvic delivers scalable IT resource allocation through its defined delivery framework and substantial engineering capacity.
The organization maintains a consistent emphasis on sustained partnership development, operational transparency, and reliable execution. These operational characteristics receive validation through the company’s strong client satisfaction metrics.

Conclusion

The selection of a software modernization partner substantially affects an organization’s market competitiveness and operational durability. The profiled providers—Euristiq, Forbytes, Avenga, Geniusee, Lionwood, and Euvic—each present distinct configurations of technical expertise, sector-specific understanding, and partnership structures.
These firms maintain documented success in transforming legacy technological foundations into adaptable digital platforms.
Proper alignment between a provider’s core competencies and an enterprise’s specific modernization requirements significantly reduces implementation exposure. This strategic matching process creates resilient technological foundations that effectively support sustained business development. 
Each organization’s proven capability in legacy system conversion establishes their credibility for complex digital transformation initiatives.

Richard is an experienced tech journalist and blogger who is passionate about new and emerging technologies. He provides insightful and engaging content for Connection Cafe and is committed to staying up-to-date on the latest trends and developments.

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