IT Glossary · Cloud Computing

SaaS — Software as a Service

SaaS is software you access over the internet on a subscription basis — instead of buying and installing software on your computers, you log in through a browser and the vendor manages everything: servers, updates, backups.

Software as a Service (SaaS) is a cloud delivery model where software is hosted by the vendor and accessed by users over the internet. You pay a monthly or annual subscription fee rather than a large upfront license. The SaaS vendor manages all infrastructure — servers, databases, security patches, updates, and backups — so your business only needs internet access and a browser. Examples include Zoho CRM (sales), GreytHR (payroll), Freshdesk (customer support), Zoom (video conferencing), and AWS (cloud computing). Indian businesses have adopted SaaS rapidly because it eliminates upfront hardware costs, scales easily, and provides mobile access for distributed teams.

Subscription Pricing: Pay monthly or annually per user or per feature — no large upfront software purchase or hardware investment.
Automatic Updates: The vendor handles all software updates — you always use the latest version without IT effort.
Cloud Access: Access from any device, anywhere — your data and tools are available on laptops, mobile phones, and tablets.
Multi-Tenancy: Multiple businesses share the same software infrastructure, driving down per-business costs while maintaining data isolation.

Related terms: IaaS, PaaS, Cloud Computing, Subscription Software, SLA, API

Frequently Asked Questions

Do Indian businesses pay GST on SaaS subscriptions?

For Indian SaaS companies (Zoho, Freshworks, GreytHR), 18% GST is charged and the vendor provides a GST invoice. For foreign SaaS companies (Zoom, Salesforce, Dropbox), businesses must self-assess and pay GST under Reverse Charge Mechanism (RCM) as the supplier is outside India. Purchasing through an authorised Indian reseller like National IT Service provides a proper Indian GST invoice.

Is SaaS secure for Indian businesses?

Reputable SaaS vendors maintain better security than most Indian SMEs can achieve in-house — data encryption, access controls, regular security audits, and 24/7 monitoring. However, data governance and compliance (DPDP Act 2023) require you to understand where your data is stored and how it is processed.

Explore the best SaaS tools for your Indian business — authorised partner with GST invoices and local support.