Cloud services have changed how companies operate, letting them use powerful computing on demand without buying the hardware or building the infrastructure themselves. Instead of owning servers, businesses pay for cloud services and get instant access to storage, software, and computing power over the internet. Adoption is now nearly universal: roughly 94 percent of organizations use cloud services in some form. 

What is cloud computing?

Cloud computing is the delivery of computing resources (storage, processing, and software) over the internet from professionally managed data centers, so you use them on demand instead of owning the hardware. When you save data “in the cloud,” it lives on remote servers rather than on your device. The processing and storage happen in those data centers, and the results are sent back to your device over the internet.

The practical effect is that a business can access enterprise-grade computing without the cost and complexity of running it in-house. You pay for what you need, scale up or down as the business changes, and let the provider handle the underlying hardware.

Who maintains cloud servers, and how do you access them?

Cloud servers are owned and maintained by cloud service providers (CSPs) such as Microsoft, Amazon Web Services, and Google. When you use Microsoft’s cloud services (Teams, SharePoint, or Outlook, for example), the actual processing and storage happen in Microsoft’s secure data centers. You pay a subscription to access those resources, usually described simply as “cloud services.”

Cloud subscriptions typically come in tiers that vary by:

• The number of users covered by a single agreement.
• Storage capacity.
• Service speed and performance.
• Level of technical support.

This flexibility lets businesses pick a plan that matches their size, budget, and requirements, and change it as they grow.

Cloud vs traditional infrastructure: what is the difference?

The difference is ownership and overhead. With traditional infrastructure you buy, house, power, and staff your own servers; with the cloud you rent those capabilities and the provider handles the rest. For most businesses, the cloud removes large upfront costs and ongoing maintenance while adding flexibility and scalability.

Running your own servers is a significant, ongoing investment:

• Hardware: Servers are far more powerful and expensive than PCs, and they need supporting equipment.
• High-speed internet: Serving customers online often requires fiber-optic connections, which raise costs.
• Energy and cooling: Powerful servers draw significant electricity and generate heat that needs additional cooling.
• Maintenance and staffing: Dedicated IT staff are needed to maintain servers, troubleshoot, and keep uptime, which adds recruiting, training, and salary costs.

With the cloud, you select a service tier, pay a monthly or annual fee, and need only basic equipment (like a PC) and an internet connection in the office. The provider handles the heavy lifting, which saves money, time, and resources while providing scalability and support. Some businesses use a hybrid setup to combine on-premises and cloud where it makes sense.

What are the benefits of cloud computing for business?

The main benefits are lower and more predictable costs, built-in expertise, automatic updates, and easier compliance. Rather than a large capital investment in hardware, you pay a subscription and let the provider maintain modern equipment and software for you.

• Professional support: Cloud services usually include expert maintenance and technical assistance.
• Regular updates: Both software and underlying hardware stay current, so you avoid infrastructure upgrade costs.
• Compliance: Many providers offer environments that support specific regulatory requirements across industries.
• Scalability and flexibility: Add or reduce capacity as your needs change, without over-buying.

What are the types of cloud services (SaaS, PaaS, IaaS)?

Cloud services fall into three categories: software as a service (SaaS), platform as a service (PaaS), and infrastructure as a service (IaaS). The difference is how much the provider manages versus how much you do. SaaS delivers ready-to-use software, PaaS delivers a platform for building applications, and IaaS delivers raw computing infrastructure.

Software as a service (SaaS) is the most familiar, and you are probably already using it. SaaS lets you access software hosted in the cloud, such as Microsoft 365. Instead of installing software from a disc on each device, you pay a subscription and use apps like Word and Excel from any device with an internet connection, with your files saved in the cloud. Almost any software can work this way.

Platform as a service (PaaS) provides a full development environment in the cloud, including tools, libraries, and frameworks that developers use to build, test, and deploy custom applications, without managing the underlying infrastructure. Microsoft Azure App Service and Google App Engine are examples.

Infrastructure as a service (IaaS) gives you virtual access to hardware (servers, storage, and networking) over the internet, without owning or maintaining the equipment. IaaS suits businesses that run robust online services, for example an online store that needs to support very large numbers of users, and it can also be used to build and manage private cloud environments where more security or control is needed.

What are the challenges of moving to the cloud?

The main challenges are dependence on your provider and internet connection, data-privacy concerns, and the risk of vendor lock-in. None is a reason to avoid the cloud, but each is worth planning for.

• Downtime: Cloud services can have outages, and if you lose internet access you lose access to cloud data. A documented backup and recovery plan reduces this risk.
• Data privacy: Your data is stored off-site, so vet providers carefully to confirm how they protect it.
• Vendor lock-in: Some providers limit compatibility with third-party platforms. Confirm that the software and applications you rely on will work with a provider before committing.

How do you choose a cloud service provider?

Choosing a provider comes down to reliability, support, certifications, and scalability. Evaluate each candidate against clear criteria before committing, and confirm the provider fits your industry’s requirements.

• Reliability guarantees: Look for strong uptime commitments, clear maintenance schedules, and predictable upgrade cycles.
• Support availability: Confirm what technical support you get, whether it is 24/7/365, and where the limits are.
• Certifications: Verify reputable, industry-relevant certifications (for example, HCISPP for healthcare information or CIPP for data privacy).
• Scalability: Make sure the provider can grow (or shrink) with you as your needs change.

How does IT Solutions Technology Partners help with your cloud journey?

IT Solutions Technology Partners helps businesses plan, adopt, secure, and optimize their cloud environments, whether they are moving to the cloud for the first time or refining an existing setup. Founded in 1994 and supporting clients from 14 offices with a team of roughly 450 to 500 professionals, ITS designs cloud strategies around each organization’s size, budget, and industry requirements.

As a Microsoft Solutions Partner, ITS helps clients get value from Microsoft 365 and Microsoft Azure while keeping data secure and compliant, which matters most for healthcare, legal, and financial services organizations. The cloud is not just another technology; it is a tool for efficiency and growth, and ITS helps make sure it works that way for your business.

Frequently Asked Questions

What is cloud computing in simple terms? Cloud computing is using computing resources (storage, software, and processing power) over the internet from a provider’s data centers, instead of owning and running the hardware yourself. You pay a subscription and access what you need on demand, scaling up or down as your business changes.

What is the difference between SaaS, PaaS, and IaaS? SaaS provides ready-to-use software (like Microsoft 365), PaaS provides a platform for developers to build and run their own applications, and IaaS provides virtual infrastructure like servers and storage. The difference is how much the provider manages versus how much you do, with SaaS the most hands-off and IaaS the most hands-on.

Is cloud computing secure for business? Yes, when set up and managed correctly. Major providers run highly secure, resilient data centers, and security works on a shared-responsibility model where the provider secures the infrastructure and you secure your configuration, access, and data. Vetting providers and managing your environment well are what keep it secure.

Is the cloud cheaper than owning your own servers? Often, yes. The cloud replaces large upfront hardware, energy, cooling, and staffing costs with a predictable subscription, which suits most businesses. For very steady, high-volume workloads, dedicated infrastructure can sometimes cost less, which is why some organizations use a hybrid mix.

What is a cloud service provider (CSP)? A cloud service provider owns and maintains the data centers and services you access over the internet. Major CSPs include Microsoft, Amazon Web Services, and Google. You subscribe to their services rather than buying and running the equipment yourself.

Do I need to move everything to the cloud at once? No. Many businesses move gradually or use a hybrid approach, keeping some systems on-premises while moving others to the cloud. A phased plan lets you prioritize the highest-value workloads and manage the transition with less disruption.

Updated 9/3/2026