What is SaaS, how it works, examples, and benefits for business

A team manages clients in an online CRM, approves layouts in a browser, and plans work in a shared space. Behind these diverse tasks often lies a single software delivery model: SaaS.

For businesses, it provides the opportunity to use a ready-made tool. For product founders, it is a way to deliver their own software solution to multiple clients and develop it as a service.

What is SaaS in simple terms

SaaS stands for Software as a Service. The provider hosts and maintains the application, while the user accesses it over the Internet, usually via a browser or an app.

The client uses the product's features, while the provider is responsible for its server infrastructure and updates. Common pricing models include subscriptions and pay-as-you-go.

Imagine a small agency. It needs to store client contacts, track deal statuses, and remind managers of next steps. It chooses an off-the-shelf cloud CRM, creates a workspace, and invites the team. Building an in-house system for this is not necessary.

At the same time, having a subscription alone does not make a program SaaS. What matters is how the provider delivers and supports the software.

How SaaS works

The user creates an account, gains access to the service, and works with their data. The provider maintains the software centrally. The core logic and data are usually hosted on its infrastructure or with a third-party cloud provider.

Getting started may involve selecting a plan, migrating data, configuring integrations, and setting access permissions. For a simple tool, a brief introduction is enough. Implementing a complex enterprise system requires preparation and team training.

Accessing the service does not mean that users can see information from other companies. Segregating clients and their data is a vital product architecture and security objective.

What is a SaaS product and a SaaS platform

A SaaS product is a specific software service that helps perform particular tasks. For example, processing customer support requests, scheduling employee shifts, or approving documents.

A SaaS platform usually refers to a broader environment with multiple interconnected tools, modules, or integrations. For instance, a service might combine sales, communication, analytics, and automation.

There is no strict, universal dividing line between these terms. When choosing a solution, focus on its capabilities and limitations rather than the word "platform" in the description.

Examples of SaaS in business operations

To understand the model, it is helpful to look at typical use cases.

Sales and customer management. A cloud CRM helps managers see communication history, open deals, and scheduled calls. A team lead gets a clear overview of the department's performance.

Task management. Teams create projects, assign assignees, set deadlines, and keep discussions right next to the tasks.

Collaboration on assets. Employees edit documents or designs, leave comments, and hand off results to colleagues without sending numerous file copies back and forth.

Customer support. Inquiries go into a shared queue. The team can see who is responsible for each issue and which requests still require attention.

Industry-specific workflows. A dedicated service can help a construction company approve on-site reports, or a training center manage schedules and class registrations. These are examples of possible products, not a mandatory feature list for every SaaS.

What is B2B SaaS

B2B SaaS is a software service sold to companies to support their business operations. The customer is a business, and the users may include its employees, managers, and partners.

For example, a company subscribes to a time-tracking service. An employee logs hours, a manager reviews the entries, and an accountant uses the approved data. Each role has distinct actions and access permissions.

In such products, the purchasing decision and daily usage often belong to different people. An executive needs clear reporting, an administrator requires access control, and an employee wants quick task completion. When designing a product, all these scenarios must be taken into account.

B2C SaaS is aimed at the personal needs of consumers. However, a single service can offer plans for both individuals and teams.

How SaaS differs from CRM and ERP

SaaS describes the method of software delivery. CRM and ERP describe its purpose.

A CRM helps manage customer relationships and sales. An ERP integrates resource management and company operations, such as procurement, inventory, and finance.

Both types of systems can be delivered via the SaaS model or hosted in an environment controlled by the company itself. Therefore, the question "SaaS or CRM?" mixes different criteria. To make a choice, first define the required functionality, and then determine the appropriate delivery model.

SaaS, PaaS, and IaaS: what is the difference

These models differ in the level of ready-made solution provided to the client.

SaaS provides a ready-to-use application for work.

PaaS provides an environment where a team can build and run their own applications.

IaaS provides infrastructure resources, such as computing power, networking, and storage. Most of the work with the software environment remains on the client side.

For a company looking for an off-the-shelf sales tool, choosing SaaS is typically relevant. For the team building that tool, questions of infrastructure and development environment also arise.

Advantages and limitations of SaaS

Common SaaS benefits include internet access, centralized updates, and a reduced need to maintain software internally. Limitations include dependence on service availability, network connectivity, and vendor decisions.

For any specific business, practical implications matter.

Costs must be calculated for the whole team. A hypothetical tier of €15 per user for 20 employees means €300 per month before taxes and add-ons. It is also worth factoring in costs for onboarding, integrations, and data migration.

The ready-made service must align with your processes. If employees copy data to a separate spreadsheet after every operation, identify what feature or integration is missing.

Switching to another provider should be planned in advance. Check what data can be exported, in which format, and what happens once the subscription ends.

Security requires client participation. Even with a turnkey service, a company must properly configure access, protect accounts, and promptly offboard former employees.

How to choose a SaaS for business

Start with a specific problem. A statement like "we need a modern system" is hard to measure. Stating "managers need to see all open tickets and their assignees" provides clear evaluation criteria.

Before buying, check five things:

1. Core workflow: can the entire process be completed without extra tools and manual data duplication?

2. Team usability: do future users clearly understand how to perform their work?

3. Integrations: can you exchange the necessary data with existing systems?

4. Total cost: what will the solution cost with the required number of users, data volume, and features?

5. Data control: how do access rights, export, recovery, and account cancellation work?

Prepare several typical scenarios for testing. For instance, creating a client, assigning a manager, updating a deal status, and generating a report. Then ask prospective users to perform these actions themselves.

How to build your own SaaS product

If a company plans to sell its own service, it should start by validating the problem and the audience.

Define a specific customer. "A system for business" covers overly broad needs. "A timesheet approval service for companies with field workers" provides a clearer research direction.

Study the current process. How do people perform the task today? Where do bottlenecks occur? Which errors happen repeatedly? Who holds the budget and authority to buy the solution?

Choose the primary scenario for version one. For a Minimum Viable Product (MVP), delivering a complete, valuable outcome is essential. In the timesheet example, this could be the path from logging hours to approving and exporting them.

Test a prototype. Let target audience members complete tasks within an interactive mockup. Observe where they get stuck and what they interpret differently than your team anticipated.

Plan pricing and support. Determine what the client pays for: users, features, transaction volume, or a combination. Account for maintenance costs, customer support, and continuous development.

Analyze product usage after launch. It is essential to know whether clients reach their first valuable result, whether they return, and why they cancel. Total signup counts alone are not enough to evaluate product success.

Why UX/UI matters for SaaS

In SaaS, the interface is part of daily work. If a user constantly struggles to find the right action, re-enters the same data, or does not understand an operation's status, product adoption suffers.

During design, pay close attention to onboarding, navigation, tables, forms, and error states. Empty states, loading screens, permission gates, and confirmations for critical actions also require careful handling.

For example, instead of showing a blank analytics screen to a new user, you can offer data import or guided creation of their first entry. A manager should immediately see requests awaiting approval alongside the next available action.

At CHIZZ, we design SaaS product interfaces around real-world workflows, from first onboarding to routine operations. If you are planning a new service or redesigning an existing product, let's start with its objectives, users, and core processes. Simply get in touch via our contact page, and we will be happy to assist you with any questions.

Frequently Asked Questions about SaaS

Is every website a SaaS?

No. A website might only share information about a company and its services. SaaS provides access to a software tool where users accomplish tasks.

Can a SaaS have a mobile app?

Yes. A service can be available via a browser, as well as mobile or desktop applications. The defining factor is how the software is delivered and maintained.

Is SaaS always paid?

No. A provider may offer a free tier, a free trial, or a freemium model combining free and paid features. Pricing terms depend on the specific product.

Can you work offline?

It depends on the service. Some products allow completing certain actions offline and syncing changes later. The availability and limits of offline mode must be verified individually.

Is SaaS always cheaper than an in-house system?

No. The comparison depends on the duration of use, team size, required integrations, and customizations. For an in-house system, development, infrastructure, support, and updates must also be factored in.

When should you build your own SaaS?

When there is a validated need in a specific target audience and reason to believe they are willing to pay for a solution. If a system is needed solely for internal operations within one company, that is a custom development scenario that does not necessarily imply a SaaS business model.