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Multi Cloud

Explore the added value of multi cloud for your business

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Artificial Intelligence

Transform your business with AI.

Testing Solutions

Testing Solutions

Experts in testing, program development, automation, training, and certification.

Cybersecurity

Cybersecurity

Cybersecurity requires a full-scale approach

Modern Workplace

Modern Workplace

Empower your team with a modern workplace

Applications

Applications

Building the applications to embed growth, innovation and agility

Business Solutions

Business Solutions

Leverage the power of business applications

5G

5G & Mobile Private Networks

Expertise and development experience to bring all the advantages of 5G

Collaborative Solutions

Collaborative Solutions

Software solutions that optimize business processes and drive success.

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Team as a Service

Team as a service

Your projects, our experts: customized IT profiles

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Enterprise Architecture

We help you create a resilient, scalable ecosystem

Talent Solution

Talent Solution

A team of experts dedicated to your projects

Projects

Projects

Integrating the right digital solutions for your IT project

Outsourcing

Outsourcing & Managed Services

Focus on your core business, we'll take care of the rest.

Industries Back
Industries

Our industry-tailored services are designed to address specific challenges and opportunities across different industries

Manufacturing

Manufacturing

Discover our solutions for the industrial sector, including ERP, CRM, skills provision and security.

Health Care

Health Care

Discover our solutions for the healthcare sector, including cybersecurity, collaborative solutions, consultancy and GIS integration.

Finance & Insurance

Finance & Insurance

Discover our solutions for the finance and insurance sector, such as AI, application development and the provision of experts.

Distribution

Distribution

Discover our solutions for the distribution sector such as AI, ERP, CRM or custom application development.

Goverment & Public Sector

Goverment & Public Sector

Discover our solutions for the government and public sector, including cybersecurity, GIS and professional services.

Services

Services

Why NSI Back About us

About us

Our strong values form the cornerstone of our identity and are at the baseline of our success.

Why NSI ?

Why NSI ?

As an IT solutions provider and integrator, we work In Close Cooperation with our customers.

NSI & Society

NSI & Society

We develop innovative solutions with a positive impact on the environment, people, and society.

News Back
Insights

Resources to support your projects

Corporate News

Corporate News

Stay in the loop with our company news, announcements, awards and events.

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NSI Solutions
Solutions
Multi Cloud

Multi Cloud

Explore the added value of multi cloud for your business

Artificial Intelligence

Artificial Intelligence

Transform your business with AI.

Testing Solutions

Testing Solutions

Experts in testing, program development, automation, training, and certification.

Cybersecurity

Cybersecurity

Cybersecurity requires a full-scale approach

Modern Workplace

Modern Workplace

Empower your team with a modern workplace

Applications

Applications

Building the applications to embed growth, innovation and agility

Business Solutions

Business Solutions

Leverage the power of business applications

5G

5G & Mobile Private Networks

Expertise and development experience to bring all the advantages of 5G

Collaborative Solutions

Collaborative Solutions

Software solutions that optimize business processes and drive success.

Services
Services
Team as a Service

Team as a service

Your projects, our experts: customized IT profiles

Website_Navigation_Energy_Utilities

Enterprise Architecture

We help you create a resilient, scalable ecosystem

Talent Solution

Talent Solution

A team of experts dedicated to your projects

Projects

Projects

Integrating the right digital solutions for your IT project

Outsourcing

Outsourcing & Managed Services

Focus on your core business, we'll take care of the rest.

Industries
Industries

Our industry-tailored services are designed to address specific challenges and opportunities across different industries

Manufacturing

Manufacturing

Discover our solutions for the industrial sector, including ERP, CRM, skills provision and security.

Health Care

Health Care

Discover our solutions for the healthcare sector, including cybersecurity, collaborative solutions, consultancy and GIS integration.

Finance & Insurance

Finance & Insurance

Discover our solutions for the finance and insurance sector, such as AI, application development and the provision of experts.

Distribution

Distribution

Discover our solutions for the distribution sector such as AI, ERP, CRM or custom application development.

Goverment & Public Sector

Goverment & Public Sector

Discover our solutions for the government and public sector, including cybersecurity, GIS and professional services.

Services

Services

Why NSI About us

About us

Our strong values form the cornerstone of our identity and are at the baseline of our success.

Why NSI ?

Why NSI ?

As an IT solutions provider and integrator, we work In Close Cooperation with our customers.

NSI & Society

NSI & Society

We develop innovative solutions with a positive impact on the environment, people, and society.

News
Insights

Resources to support your projects

Corporate News

Corporate News

Stay in the loop with our company news, announcements, awards and events.

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Third-party application maintenance (TPAM)

Entrust your Application Maintenance to  experts

Maximize the stability, security, and performance of your enterprise applications with NSI’s expert Third-Party Application Maintenance services.

Our teams provide end-to-end corrective and evolutionary maintenance, ensuring your systems remain reliable, up-to-date, and aligned with your business objectives—while freeing your internal resources to focus on innovation.

Get in touch with us

Your business is evolving.
Your applications too.

Business transformation demands agile, reliable applications.

As your company grows through mergers, expansion, or shifting needs, your IT systems must adapt accordingly. Our Third-Party Application Maintenance (TPAM) ensures your critical applications stay aligned with your goals—efficiently, securely, and without disruption.

Our experts combine technical know-how and cutting-edge tools to keep your applications optimized, scalable, and ready for what’s next.

 

Outsourcing Application Maintenance
Key benefits

Ultimate
flexibility

Adapt quickly to change.
Our experts team manage updates so your applications evolve without burdening your internal teams.

Uncompromising quality

Ensure reliable performance with secure, well-maintained applications . Our expertise keeps your systems running smoothly.

Cost-effective solutions

Lower your IT costs and increase ROI. Our efficient maintenance processes reduce overhead
and minimize unplanned expenses.

Long-term sustainability

Keep your systems future-ready. Our commitment to continuous improvement ensures your applications stay scalable and secure.

How NSI streamlines your third-party application maintenance

Our proven 4-step methodology ensures seamless transitions and optimal management of your third-party applications, enhancing performance, security, and scalability.

Step 1
In-depth assessment

In-depth analysis of your application's architecture and dependencies, with detailed documentation to ensure seamless team alignment and collaboration.

Step 2
Collaborative partnership

Tailored knowledge transfer and maintenance plan, perfectly aligned with your systems and business objectives, ensuring long-term efficiency and autonomy.

Step 3
Proactive maintenance

Corrective, evolutionary, and preventive maintenance for optimal performance, coupled with user support to minimize downtime and maximize productivity.

Step 4
Flexible
transition

Comprehensive team training for a smooth maintenance transition back in-house, with detailed documentation to ensure continuity and operational efficiency.

Technical Proficiency :
Our experts possess the skills to tackle any maintenance challenge.

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Rapid Response :
We prioritize timely solutions to minimize downtime.

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Clear Communication :
We keep you fully informed and updated at every step of the process.

3 pillars of maintenance excellence

Why NSI?

Deep industry knowledge

We understand your business challenges. Our in-depth knowledge of various industries allows us to provide tailored solutions that address your unique challenges.

Trusted partner

We’re committed to building long-lasting relationships with our clients. Our dedication to your success ensures that we’re always there to support you.

Continuous innovation

Our teams stay ahead of the curve. By constantly monitoring technological advancements, we deliver cutting-edge solutions that drive your business forward.

Talent pool

NSI’s extensive experience and resources enable us to assemble top-tier teams. Our experts are here to provide the guidance and support you need.

Contact us

Ready to optimize your applications and boost your business ?

 Let’s talk and explore the possibilities.