Retro style monorail cars representing the concept of functional legacy infrastructure

Legacy Software Modernization

Bridging the Past and Future:
Efficiently Modernizing Legacy Technologies

Down arrow button

Home >

Services >

Why Modernize Legacy Software?

Key reasons why you should not postpone upgrading your old system.

Improve Security

Outdated technology can expose your business to cyber threats and compliance issues.

Reduce Maintenance Costs

Older systems often require more maintenance, leading to escalating costs.

Integration Issues

Legacy systems may not integrate smoothly with modern software, limiting your business's capabilities.

Scalability and Performance

Legacy systems may hinder scalability, preventing businesses from adapting to market changes or customer needs quickly.

Our Approach to Legacy Modernization
01
Assessment and Planning
Arrow down

We begin the process with an in-depth evaluation of your legacy software. This phase focuses on assessing its performance, functionality, and compatibility with your current business objectives. This step helps us identify the specific challenges and limitations you face.

02
Roadmap Strategy
Arrow down

Following evaluation, we define modernization objectives, then create a roadmap with necessary steps, timelines, and resource allocation. Additionally we will select the best strategy - like replatforming or rebuilding - to meet your needs effectively.

03
Implementation
Arrow down

We bring your modernization plan to life, ensuring a smooth integration with your existing systems. This may involve data migration, gradually replacing pieces of code, or building a new platform alongside the old one and transitioning users step by step. We prioritize keeping disruptions to a minimum, so your operations run smoothly.  

04
Ongoing Support and Maintenance
Arrow down

After modernization, our support team will monitor, maintain, and optimize your systems to ensure they remain secure and perform at peak efficiency.

Our Expertise

Transforming Legacy Systems for Future-Ready Performance

Re-engineering & Refactoring

Modernizing the codebase to enhance performance and reliability.

Integration Services

Connecting legacy systems with new software through APIs and microservices.

Cloud Migration

Transitioning legacy applications to cloud platforms for increased flexibility and reduced costs.

UI/UX Modernization

Enhancing the user interface and experience to meet modern standards and improve usability.

Process Automation

Automating manual processes embedded in legacy systems, enhancing workflows, and optimizing the business logic.

Rebuilding

Rebuilding fully redesigns legacy systems from the ground up, aligning them with modern technological standards and future business needs.

Legacy Modernization strategies

Legacy systems play a crucial role in many organizations, and modernizing them demands a well-thought-out approach. This ensures that businesses can keep pace with evolving technology while preserving the strengths of their legacy software.

Encapsulation

Encapsulation adds modern APIs to legacy systems with high business value, enhancing functionality while keeping the core code intact. It’s a low-disruption approach for stable systems.

Rehosting

Move legacy systems to new infrastructure without changing their functionality. This low-risk, cost-effective solution is ideal for businesses looking to quickly adopt modern environments.

Replatforming

Replatforming makes minimal adjustments to applications, enabling them to leverage basic cloud capabilities. It’s a balanced approach, modernizing systems without extensive overhauls.

Refactoring

Restructure existing code to enhance flexibility, efficiency, and reduce technical debt. This approach optimizes legacy systems for cloud-native features.

Rearchitecting

Rearchitecting involves significant redesigns to integrate new functionalities and accommodate growth. It’s ideal for systems needing substantial improvements in capabilities.

Rebuilding

Rebuilding fully redesigns legacy systems from the ground up, aligning them with modern technological standards and future business needs.

Consultants discussing tax software modernization using Azure and .NET Core for PwC

Case Study
Multinational Professional Services Network

For a global consulting firm, we rebuilt highly specialized software that serves as a tax configurator. Relying on the Azure platform and .NET Core technology, we significantly reduced failure rates and migrated key functions to more modern technologies.

Enterprise corporate headquarters - example of large-scale legacy system refactoring project
E-commerce logistics optimization and sales automation software integration

Case Study
Pemicont

Pemicont, a German manufacturer of mattresses and children’s bedding, faced a challenge to improve sales and logistics of its products. We extended the functionality of the legacy desktop system to a new web application integrating with Plentymarkets and Baselinker.

Modern web application development for retail management integrating Plentymarkets and Baselinker
Production management system modernization for sportswear manufacturer Verge Sport

Case Study
Verge Production Management

Verge Sport, a sportswear company, faced the challenge of implementing a number of improvements inside its production management system / ERP. Using the Azure platform and ASP.NET framework, we migrated the existing functionality to more modern technological solutions

ERP system migration to Azure and ASP.NET to improve manufacturing efficiency

Any Questions?
Get in touch with us!

Reach out to us and discuss your specific needs. We're here to help!

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
FAQ
01
What is legacy software modernization, and why is it important?
Arrow down

Legacy software modernization refers to updating outdated systems and applications to newer, more efficient technologies. Businesses must modernize legacy systems to enhance security, improve performance, and ensure compatibility with modern infrastructures. This can also reduce maintenance costs and improve user experience, ultimately allowing companies to remain competitive.

02
What are the key benefits of modernizing legacy software?
Arrow down

Modernising legacy software provides several benefits, including improved system security, better performance, lower operational costs, enhanced scalability, and the ability to integrate with modern technologies. Additionally, modernized systems offer a more intuitive user experience, which can drive productivity and customer satisfaction.

03
How do you approach legacy software modernization?
Arrow down

Our approach to legacy software modernization involves a detailed assessment of the current system, identifying business goals, and determining the best strategy for upgrading or replacing outdated technologies. This can include re-hosting, re-platforming, or completely rewriting applications to align with modern architectures such as cloud-based services.

04
How long does legacy software modernization typically take?
Arrow down

The duration of a legacy software modernization project depends on the complexity and size of the existing system. Smaller systems may take a few weeks, while larger, more intricate systems could require several months. Our team provides a detailed timeline after an initial assessment to ensure a smooth transition.

05
Is legacy software modernization cost-effective?
Arrow down

While modernizing legacy software requires an initial investment, it is often a cost-effective solution in the long run. Outdated systems typically require expensive maintenance and are prone to security vulnerabilities. By modernizing, businesses can reduce costs associated with downtime, patching, and inefficient workflows, leading to significant savings over time.

06
How do legacy systems affect business performance?
Arrow down

Legacy systems often struggle to meet modern business demands due to outdated technology and lack of scalability. This can lead to slower operations, higher maintenance costs, and difficulty integrating new technologies, ultimately impacting productivity and customer service.

07
Can we migrate our legacy system to the cloud?
Arrow down

Migrating legacy systems to the cloud is a popular modernization strategy. Cloud migration offers scalability, improved performance, and cost savings by eliminating the need for on-premise hardware. Our team specializes in securely and efficiently migrating legacy systems to cloud platforms like AWS, Azure, or Google Cloud.

08
What challenges come with legacy software modernization?
Arrow down

Common challenges of legacy software modernization include data migration, ensuring compatibility with modern systems, and managing the potential disruption to business operations. However, with a well-planned strategy and an experienced development team, these challenges can be mitigated effectively.

09
How can modernizing legacy software improve security?
Arrow down

Legacy systems often lack modern security features, leaving businesses vulnerable to cyberattacks. Modernizing software allows for the integration of advanced security protocols, including encryption, multi-factor authentication, and regular updates to protect against emerging threats.

10
What is the difference between modernizing and replacing legacy software?
Arrow down

Modernising legacy software involves upgrading or improving the existing system while replacing it means building or implementing an entirely new solution. Modernization is often more cost-effective and less disruptive, but replacement might be necessary if the legacy system is beyond repair or unable to meet future business needs.

11
What types of legacy systems can be modernized?
Arrow down

Almost any legacy system can be modernized, from mainframe applications and outdated ERP systems to older custom-built software. We work with a wide range of platforms and technologies, enabling us to modernize systems across different industries and business functions.

12
Will modernizing my legacy system cause downtime?
Arrow down

Our team takes a phased approach to minimize downtime during the modernization process. We ensure that critical business functions remain operational while upgrades or migrations take place. In some cases, the modernization can be done in parallel with the existing system to avoid disruptions entirely.

13
Can we keep using some parts of our legacy system?
Arrow down

Yes, modernization doesn’t always mean a full overhaul. We can modernize parts of your system while retaining other elements that still serve your business effectively. This hybrid approach is common when companies want to preserve certain custom features or data structures while improving other aspects.

14
How do I know if my system needs modernizing?
Arrow down

Signs that your legacy system needs modernizing include frequent system crashes, high maintenance costs, difficulty in integrating with modern software, and security vulnerabilities. If your system can no longer meet your business needs or is slowing growth, it's time to consider modernization.

Modernization Insights

Strategies, trends, and benefits of upgrading your legacy infrastructure.

Close-up of a person’s hand typing on a laptop keyboard in a dark room with blurred computer screens in the background.

How Software Usability Drives Product Success

When your software is intuitive, seamless, and genuinely pleasant to use, adoption rises, support costs drop, and your brand reputation grows stronger with every click.

Person working at computer with coding screen and tablet showing green screen.

How Software License Management Optimizes IT Investments

Managing software today isn’t just about having the right tools–it’s about using them efficiently, legally, and strategically. In an era where cloud subscriptions, SaaS models, and hybrid deployments dominate IT ecosystems.

 A person holds up a smartphone with various user interface (UI) and user experience (UX) design icons floating around it.

How Legacy Database Migration Future-Proofs Your Data Strategy

You already know your data is your business’s lifeblood. But the way you store, manage, and access that data can either accelerate your growth or quietly hold you back.

 An abstract, blurred image with a palm tree silhouette on the left and a bright green, horizontal light pattern on the right

Legacy Software Modernization Strategies – Complete Guide!

Legacy software modernization is the structured process of updating, transforming, or replacing outdated software systems to meet modern business needs.

Legacy system modernization concept: developer working on upgrading outdated software to modern cloud architecture.

Legacy system modernization: Costs and risks

Legacy software isn’t just “old code.” It’s a critical part of your business that’s grown increasingly fragile with time. Often custom-built and once state-of-the-art, your legacy systems likely hold together years of operational knowledge.

 A person is using a laptop with a hovering, transparent graphic of security and business icons.

Top Benefits of Legacy Software Modernization

Modern business runs on software. But if your operations are still leaning on decades-old systems, you're probably feeling the drag. At SKM Group, we’ve worked with countless companies

 A person is sitting at a desk and touching a dark green smart device. Glowing data streams flow from the device to a laptop.

Legacy Software Modernization – Why Your Business Needs It

Legacy software modernization refers to the process of updating, improving, or completely transforming outdated software systems—often referred to as legacy software

 A person's finger is pointing at a glowing, transparent cloud icon, with other smaller icons floating below.

The Role of Cloud Migration – Benefits in Legacy Software Modernization

Cloud migration refers to the movement of applications, data, and other business entities from on-premise to a cloud-based environment. It can occur in public, private, or hybrid clouds based on your specific business needs and technical requirements

An abstract illustration of a DevOps infinity loop with floating icons representing different stages.

What is legacy software modernization, and why is it important?

If you're leading a business in the digital age, you've likely heard about legacy software modernization. But what does it truly mean, and why is it such a hot topic in the tech world today?

 A man is using a laptop with a transparent digital overlay of binary code and a city skyline.

Legacy System Integration: Modernizing While Maintaining Functionality

Businesses often face a pivotal challenge: integrating legacy systems with modern technology to keep operations agile and secure. At SKM Group, we understand that legacy system integration is not just about adopting new solutions but also about prese