In 2025, modernizing outdated IT infrastructure is key for organizations aiming to stay competitive, secure, and scalable.
Finding a reliable partner is not easy, so for this guide, we’ve prepared the list of the 5 best IT infrastructure modernisation services in 2025, selected through a thorough evaluation of service breadth, technical expertise, pricing transparency, and client outcomes.
Whether you’re replacing legacy systems, switching to cloud-native platforms, or integrating AI capabilities, these providers offer proven solutions tailored to enterprise needs.
To assess the best IT infrastructure modernisation services in 2025, we conducted a structured evaluation based on technical depth, delivery reliability, client satisfaction, and pricing transparency.
Only firms with a proven record of executing enterprise-grade modernization projects across industries and regions were considered. Specifically, our methodology included:
Based on our research, the companies featured in this ranking have all demonstrated consistent performance in delivering large-scale modernization initiatives across industries.
They vary in geographic reach, pricing structure, and technical specialization, but all meet the core criteria for reliability, scalability, and long-term value.
We’ve prepared the comparison table that you can see below, in order to help you quickly find which company best aligns with your project’s needs.
| Position | Name | Location | Pricing | Focus Areas |
| 1 | Future Processing | Gliwice, Poland | $25,000+ | Custom software, cloud, AI, DevOps, cybersecurity |
| 2 | Cognizant | Teaneck, New Jersey, USA | $100,000+ | AI, cloud, legacy modernization, consulting |
| 3 | TECHVIFY | Hanoi, Vietnam | $10,000+ | AI, cloud, app modernization, IoT |
| 4 | Infosys | Bengaluru, India | $250,000+ | AI-first solutions, ERP, automation, cloud |
| 5 | Radixweb | Ahmedabad, India | $20,000+ | Cloud, embedded, legacy migration, DevOps |
Year: 2000
Headquarters: Gliwice, Poland
Rating: 4.7/5 (Clutch)
Pricing: $30-$70/hour | Projects from $25,000+ | Managed services from $5,600/month
Future Processing is one of the best IT infrastructure modernisation services available in Central and Eastern Europe.
With over two decades of operational experience and a team of more than 1,000 professionals, the company provides end-to-end digital delivery from concept through deployment.
It supports enterprises across sectors such as automotive, finance, healthcare, and utilities.
Future Processing focuses on long-term client relationships (over two-thirds of its clients stay for more than 3 years) and it integrates modern methodologies with competitive pricing for enterprise-grade results.
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Year: 1996 (spun off from Dun & Bradstreet)
Headquarters: Teaneck, New Jersey, USA
Rating: 4.8/5
Pricing: Project-based; typically start around $100,000
Cognizant is a global IT services and consulting firm delivering modernization at scale for Fortune 500 companies and government organizations.
It operates across more than 40 countries with extensive delivery centers in India and the US. The company offers vertically integrated services, combining strategy, engineering, and operations to support large transformation efforts.
Cognizant’s service delivery emphasizes co-creation and agile responsiveness across sectors like healthcare, finance, and manufacturing.
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Year: 2018
Headquarters: Hanoi, Vietnam
Rating: 4.8/5
Pricing: $30–$70/hour | Projects from $10,000+ | Retainers from $2,400/month
TECHVIFY is a fast-growing software development and digital transformation firm based in Vietnam with a growing international footprint in Japan, Europe, and the US.
It delivers scalable modernization projects focused on cloud, AI, IoT, and software engineering.
While still mid-sized in scale, TECHVIFY operates multiple delivery centers and supports clients through agile offshore development or fixed-price projects, making it a cost-effective choice for transformation work.
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Year: 1981
Headquarters: Bengaluru, Karnataka, India
Rating: N/A
Pricing: Custom pricing | Typical engagements start at $250,000+ | Specialist rates $50–$150/hour
Infosys is a global consulting and IT services provider delivering enterprise-grade digital transformation across 59 countries.
With nearly 300 locations and over four decades of experience, Infosys specializes in cloud modernization, AI-first solutions, automation, and vertical-specific platforms.
The firm serves Fortune 500 clients across finance, retail, energy, manufacturing, and healthcare, often through long-term partnerships and managed service contracts.
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Year: 2000
Headquarters: Ahmedabad, Gujarat, India
Rating: 4.8/5
Pricing: $25–$50/hour | Project minimum $20,000
Radixweb is a software development and IT consulting firm serving over 3,000 clients across 30+ industries.
With offices in the US, Canada, Australia, and India, the company supports modernization projects involving cloud, embedded systems, AI, DevOps, and legacy migration.
Radixweb is known for its engineering reliability, cost-effective execution, and transparency in delivery. Its ISO-certified processes and fast onboarding cycles make it a consistent choice for scalable, cross-regional IT initiatives.
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Choosing the right IT partner can define the success or failure of a modernization initiative. The companies featured here offer reliable, scalable solutions backed by strong technical foundations and industry experience.
Assess your specific goals, budget, and required technologies, then match them to a vendor with a proven record of delivering measurable outcomes.
IT infrastructure modernisation services involve upgrading legacy systems to modern, scalable technologies such as cloud platforms, containerized applications, AI-enabled workflows, and automated DevOps pipelines.
These services often include cloud migration, network virtualization, cybersecurity, and integration of data analytics or machine learning to improve operational efficiency and system resilience.
Look for providers with proven experience in cloud engineering, AI integration, legacy system replacement, and cybersecurity.
Evaluate certifications (e.g., ISO 27001), global delivery capacity, pricing transparency, and client retention metrics to gauge reliability and scalability.
Costs vary by provider, scope, and technology stack.
Mid-market vendors charge $25–$70/hour with project minimums around $20,000, while global firms like Infosys or Cognizant often start at $100,000+, offering tailored pricing for large-scale enterprise programs.
Timelines depend on project complexity, but typical engagements range from 3 to 12 months. Factors like cloud migration scale, integration depth, and stakeholder readiness impact duration and resource allocation.
Yes, but they must choose vendors offering flexible engagement models and right-sized solutions. Mid-sized providers like TECHVIFY or Radixweb often serve SMBs with lower-cost, modular transformation services.
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