What is a System Integrator? How to Choose One

it engineer working on laptop

South Africa, Jul 17, 2025

A system integrator (SI), also called an IT integrator, ICT integrator, technology integrator, or solutions integrator, is a company that combines hardware, software, networks, and cloud services from multiple vendors into one working IT system. A systems integrator manages the project end to end, from design and integration through testing, handover, and ongoing support. 

An IT system integrator differs from industrial automation integrators, which connect factory equipment such as PLCs and SCADA systems. Operational technology and IT systems often work together in sectors such as mining and manufacturing, and many companies now need both of these skill sets. 


Systems integrators often serve as a vital intermediary between solution vendors, distributors, and enterprise users. 

How a system integrator works

Engagements with a system integrator usually follow a 6-step process.

Assessment

The SI reviews the company's existing digital environment, including its applications, goals and infrastructure setup. 

Solution design

The system integrator designs an architecture by combining hardware, software, network, and cloud components from multiple vendors.

Procurement

System integrators have relationships with multiple vendors and distributors, so they can access the hardware, licensing, and pricing frameworks required.

Integration

System integrator engineers install and connect all the components to existing business systems.

Testing and handover

The system integrator tests the security and performance of the connected system and then hands it over with training and documentation to the company. 

Support and managed services

Many system integrators offer managed services after implementation to provide ongoing support and strategic advice. 
 

The role of the SI in the IT value chain


Solution design and implementation


SIs plan, design, coordinate, test, improve and maintain enterprise ICT operations. Since no user’s requirements are ever the same, it takes a specialist skill set to craft customised solutions for their unique business requirements and objectives.

IT project management


Implementing ICT technologies and solutions involves intricate planning, resource allocation, and time constraints. SIs provide project management expertise, focusing on budgets, resources, and risk management strategies. 


Streamlined workflows and integrations allow organisations to achieve a faster go-to-market pace. 


Vendor management


There are thousands of ICT solution vendors with even more options in terms of hardware, software licensing and support. Managing complex vendor relations can take up a lot of time, which companies can use to focus on their business objectives.


SIs fit into the market at the point of contact between vendors and end-user companies. Relationships built up over years help SI’s access vendor discounts and greater support for end-users.


Solution integration and testing


ICT Solutions must be integrated with various existing business systems and functions. SIs have the competency and skills needed to actively monitor and implement solutions, but also to resolve integration complexities and incidents. 


Providing access to a pool of critical skills


ICT skills are unfortunately in short supply, and companies can expect significant expenses to source these skills. 
SIs provide a 1-stop-shop where enterprise companies can benefit from rare ICT skills and competencies, without having to invest in sourcing and developing them in-house. 

 

ICT strategy formulation


SIs provide valuable input for organisations’ ICT strategies. Their knowledge of industry trends, governance standards, technological advancements, and the customer’s daily ICT requirements puts them in an ideal position to advise on and help formulate strategies.

 

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it network engineer looking at tablet

 

What a systems integrator does not do


There is often confusion regarding what the actual role of a systems integrator is. The line is often blurred between distributor and systems integrator. Whereas a distributor focuses on hardware sales and technology solutions, the systems integrator serves as the intermediary between clients and the distributor in cases where a complex IT solution is being developed with hardware components. 


The systems integrator would deal with the distributor to source the hardware and software components to build and design the client’s IT system. 


This again saves time for clients who don’t have to deal directly with multiple quotations and distributors for equipment. This time-saving aspect of a systems integrator’s function, allows clients to focus on the holistic IT solution they need instead of getting stuck sourcing the individual components. 


Although some systems integrators focus on specific OEM (original equipment manufacturer) solutions, it is more common for them to be vendor agnostic when first scoping out a client’s IT system needs. Again, this may cause some confusion when clients mistake the systems integrator for a dedicated OEM outlet.

Benefits of working with a systems integrator

 

  • Centralised project ownership across multi-vendor environments
  • Faster return on investment with expert-led implementation
  • Reduced risk through proven IT project management practices
  • Access to scarce specialist IT skills
  • Vendor-agnostic advice and procurement support
  • Customised  IT solutions tailored to unique business objectives and context 

 

How to choose a system integrator partner

Your system integrator partner should have the ability to deliver solutions locally, and also have access to the latest vendor and OEM technologies. We recommend the following when selecting a partner:

Multi-vendor relationships

A good system integrator can leverage a wide range of technologies to support any enterprise environment. These relationships also allow the SI to iron out any bottlenecks in integrating new solutiosn across the stack. 

Vendor certifications and partnerships

Established vendors like Cisco, Microsoft, Palo Alto and Fortinet have various tiers and certifications for their technologies. When a SI holds higher-tier partnerships, they have access to more support, technologies, and in some cases, preferential pricing. 

Post-launch support

Check with the SI if they offer managed services, service desks, SOC, or NOC support after implementing the solution. This helps with handovers if the SI can operate the solution they implemented.

Local presence and B-BBEE status

In the South African context, local capacity allows for faster delivery and response times. B-BBEE certifications also help with public sector procurement and large enterprise tender opportunities. 

Security and compliance measures

A SI has extensive access to your data and infrastructure. Check that they have the right security and compliance measures in place. Check the security frameworks it works with, and how it handles data in terms of POPIA. 

 

System Integrator – A summary


It should be understood that the systems integrator serves a specific purpose in the IT value chain. Building and designing a complex IT solution demands extensive skills, resources and time, which are often not readily available in the enterprise environment. 


The systems integrator brings convenience and centrality to a value chain which can be complex, confusing and demanding.

Logicalis – An award-winning system integrator.


Logicalis has decades of experience across many regions and solutions. We serve as a valuable technology solution partner to many companies and sectors across the globe.


Whether you're planning a digital transformation or optimising your current environment, our experts can help you design and integrate the right systems and technologies.

Vendor partnerships and recognition

Contact us 
 

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