Cloud computing models: SaaS or IaaS?

Businessman hand touching Infrastructure as a Service icon on VR screen

In today’s digital landscape, simply being in the cloud is no longer enough. To harness the opportunities it can provide, you must choose the cloud computing model that aligns with your specific business needs. 

Whether it’s Software as a Service (SaaS) or Infrastructure as a Service (IaaS), when you select the appropriate cloud computing model you can optimise efficiency, adaptability, and overall success. This enables you to streamline operations, enhance collaboration, and stay competitive in an ever-evolving market. 

At Rubicon 8, we specialise in helping businesses navigate these choices, ensuring they are better positioned to succeed in their cloud journey. Our expert team can support you in identifying the best solution and be there to guide you as your business migrates to the cloud.

What is SaaS in cloud computing?

SaaS is a cloud computing model where applications are hosted by a service provider and made available over the internet. This model allows users to access software applications on a subscription basis, eliminating the need for internal servers and extensive IT management.

Benefits of SaaS 

  1. Accessibility: SaaS solutions can be accessed by your team from anywhere, whether they are in the office, working from home, or on the road.
  2. Cost-effective: With SaaS, there’s no need for heavy upfront investments in hardware or software licenses. You pay as you go.
  3. Scalability: Easily scale your usage up or down based on your business needs without worrying about infrastructure constraints.
  4. Automatic updates: SaaS providers handle software updates and security patches, ensuring you always have the latest features and security measures.

Suitable for:  

  • Established businesses seeking cost-effective, scalable solutions without the need for extensive IT infrastructure.
  • Emerging or expanding businesses needing quick deployment and flexibility without significant capital expenditure.
  • Remote teams requiring seamless access to applications from various locations.

What is IaaS in cloud computing?

Infrastructure as a Service (IaaS) provides virtualised computing resources over the internet. This model offers businesses access to essential infrastructure like virtual machines, storage, and networks, allowing them to build and manage their own applications and services.

Benefits of IaaS

  1. Control and flexibility: IaaS provides greater control over the infrastructure, allowing you to customise your environment to meet specific needs.
  2. Scalability: Easily scale resources up or down based on demand, ensuring optimal performance without over-provisioning.
  3. Cost management: Pay only for the resources you use, making it easier to manage and predict costs.
  4. Security: With access to state-of-the-art data centres and secure storage, IaaS ensures your data is protected.

Suitable for:  

  • Organisations requiring extensive control over their IT environment and the ability to customise infrastructure.
  • Tech-savvy businesses with the expertise to manage and maintain their own applications and services.
  • Developers wanting to build, test, and deploy applications in a flexible environment.

SaaS vs. IaaS: Key Comparisons

Ease of use   

SaaS is a user-friendly cloud computing model requiring minimal IT involvement. This makes it ideal for businesses looking for ready-to-use applications. On the other hand, IaaS requires more technical expertise to manage and maintain the infrastructure. 


Typically involving a subscription fee, it can be easier to predict costs via the SaaS model. IaaS is cost effective since you only pay for what you use, but be sure to manage and play to avoid overspending.


SaaS typically grants you little control over software and features, which serves many businesses well since they aren’t using the cloud for overly complex tasks. Those that do need more advanced functions can benefit from the full control of IaaS over the infrastructure, which allows extensive customisation. 

Get support with your cloud computing model and more 

Choosing between SaaS and IaaS depends on your business needs, technical expertise, and budget. Rubicon 8 is here to help businesses navigate these choices to find the most efficient, adaptable, and successful solutions. Whether you need the simplicity and accessibility of SaaS or the control and flexibility of IaaS, our experts are here to guide you every step of the way. We can even help you configure your cloud environment according to your circumstances. 

Get in touch with Rubicon 8 today to explore your cloud options and discover how we can help your business thrive in the digital age.

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