Finance

Your SaaS stack costs way more than you think it does.

Published on:
September 30, 2024
Guru Nicketan
Content
Karthikeyan Manivannan
Design
State of SaaS Procurement 2025
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“Most companies waste nearly 30% of their SaaS budget on unused or duplicate tools,” reports Gartner. It’s a number that keeps growing as more teams buy software independently.

In our conversations with CFOs, we’ve found that many struggle to get a clear picture of what they’re actually paying for. The hidden costs of SaaS: renewals, overlapping subscriptions, and unmonitored usage, can quietly eat into profits. This article breaks down where those costs come from and how you can stay in control of your SaaS spend.

What is Total Cost of Ownership (TCO) in SaaS Procurement?

Total Cost of Ownership (TCO) in SaaS procurement is the complete cost of buying, using, and maintaining a software tool over time. It includes not just the subscription fee but also setup, training, integration, and renewal costs, helping CFOs see the real price of each SaaS tool.

Why Total Cost of Ownership Matters

Understanding TCO helps finance leaders make smarter buying decisions. When you factor in every cost tied to a SaaS tool, you get a clearer picture for predictive budgeting and risk mitigation. It helps you avoid surprise renewals, overspending, and unused licenses.

Beyond immediate savings, tracking TCO supports long-term financial planning. CFOs can forecast expenses more accurately, compare vendors fairly, and align software investments with overall business goals. In short, knowing your TCO means fewer financial surprises and more control over your SaaS strategy.

SaaS TCO vs. On-Premises TCO: Which is Cheaper?

When comparing SaaS vs On-Premises TCO, it’s easy to focus on upfront costs but the real difference lies in long-term ownership. A proper TCO comparison helps you understand where your budget truly goes and how Cloud TCO can offer better financial flexibility over time.

Factor SaaS (Cloud-Based) On-Premises Software
Initial Costs Lower upfront investment; typically subscription-based. High upfront CapEx for servers, licenses, and setup.
Maintenance Managed by the vendor; no internal IT required. Ongoing internal maintenance, server upgrades, and patches.
Scalability Easy to scale up or down as business needs change. Scaling requires additional hardware and licenses.
Ongoing Costs Continuous subscription fees can add up over time. Fewer subscription fees but high operating costs.
Security & Updates Automatic vendor-managed updates and compliance. Manual updates and security monitoring by internal teams.
Long-Term Value Predictable expenses, better budget control, faster deployment. Higher long-term ownership cost due to hardware and IT overhead.

Key Components of SaaS TCO: Initial, Ongoing, and Hidden Costs

Before calculating your Total Cost of Ownership (TCO), it’s important to understand all the expenses involved in buying and maintaining a SaaS tool. The list below covers what costs are included in TCO, grouped by when and how they occur.

Initial Costs (Upfront)

These are one-time costs that occur when implementing and deploying your chosen SaaS solution.

Implementation and Onboarding Costs: Setting up a new SaaS tool involves deployment, workflow configuration, and user access setup all of which require planning and resources.

Integration, Data Migration, and Management: Integrating the new SaaS platform with existing systems, mapping data, and building APIs come with both time and development costs. These are often underestimated but can significantly affect project timelines.

Customization Costs: Tailoring the tool to meet your organization’s needs such as adding new workflows or specialized reports adds to the total spend. These adjustments may also need updating with every product upgrade.

Training Costs: Training and onboarding your teams to use the new platform effectively takes both time and budget. This includes technical support and vendor-led training sessions. These costs also reappear if you switch to a new vendor later.

Ongoing Costs (Recurring)

These are recurring charges that continue throughout your SaaS lifecycle.

Licensing and Subscription Costs: Regular payments made monthly or annually for software access, often based on the number of users, features, or usage levels.

Maintenance and Support: Includes vendor-managed updates, bug fixes, customer support, and performance monitoring to ensure smooth operation.

Security and Compliance Costs: Maintaining data security (encryption, access controls, audits) and adhering to regulatory standards can require both internal and vendor resources.

Updates: Most SaaS vendors release frequent product updates or feature enhancements. While some are included in your plan, others may involve extra configuration or training costs.

Renewals and Contract Management: As contracts expire, organizations must plan for negotiations, possible price changes, and administrative overheads tied to renewals.

Hidden Costs (Indirect)

These expenses often go unnoticed during the buying process but can affect the total return on your SaaS investment.

Hidden Costs in SaaS Contracts: Clauses around renewals, price increases, or add-ons can lead to higher-than-expected bills if not reviewed carefully.

Training and Integration Costs (Over Time): Every update or new feature may require retraining teams or reconfiguring integrations, leading to productivity loss and additional labor.

Opportunity Costs: Choosing a SaaS solution that limits compatibility or flexibility may prevent you from adopting more efficient alternatives later.

Integration Failures: When tools don’t connect smoothly, it can lead to rework, downtime, and unexpected implementation costs.

TCO Formula: How to Calculate Total Cost of Ownership for SaaS

Understanding the TCO Formula helps you make informed decisions about your software investments. It breaks down every expense both visible and hidden over a set time frame, helping CFOs and procurement teams estimate the real financial impact of a SaaS purchase.

The Basic TCO Formula

TCO=(Initial Costs)+(Ongoing Costs)+(Hidden Costs)×(Time Period)\text{TCO} = (\text{Initial Costs}) + (\text{Ongoing Costs}) + (\text{Hidden Costs}) \times (\text{Time Period})TCO=(Initial Costs)+(Ongoing Costs)+(Hidden Costs)×(Time Period)

This TCO Calculation gives a clear view of all expenses involved in owning and operating a SaaS tool. Each component contributes to your total software ownership cost.

Step-by-Step: How to Calculate TCO

  1. Identify all Initial Costs: Include implementation, data migration, onboarding, and customization costs required to get your SaaS tool up and running.
  2. Estimate Ongoing Costs: Factor in recurring expenses like licensing and subscription, maintenance, support, and compliance. These ongoing costs typically occur monthly or annually.
  3. Account for Hidden Costs: Consider indirect expenses such as integration challenges, opportunity costs, or unplanned upgrades that may arise over time.
  4. Project Over a Time Period: Multiply ongoing and hidden costs across a typical contract period (often 3–5 years) to see long-term ownership impact.
  5. Summarize All Categories: Add together all initial costs, recurring fees, and estimated hidden costs to calculate TCO.

Strategies to Optimize and Reduce SaaS TCO

Rightsizing Your Subscriptions: Regularly assess your subscription plans to ensure they align with your actual usage and business needs. Identify any underutilized or redundant subscriptions and consider downgrading or cancelling them. This optimization tactic helps eliminate unnecessary expenses and ensures you are paying for what you truly need.

Conducting Regular Audits: Periodically review your SaaS stack to assess its effectiveness and cost-efficiency. Conduct comprehensive audits to identify any unused or duplicate tools and evaluate their relevance to your current workflows. By removing or consolidating redundant applications, you can streamline your SaaS ecosystem and reduce unnecessary expenses.

Exploring Consolidation Opportunities: Look for opportunities to consolidate your SaaS tools. Consider solutions that offer multiple functionalities or integrate well with your existing applications. By reducing the number of individual tools and opting for consolidated platforms, you can simplify management, improve integration, and potentially negotiate better pricing with vendors.

Monitoring Usage: Keep a close eye on user activity and usage patterns within your SaaS stack. Identify any inactive or infrequently used accounts and consider reassigning licenses or terminating them altogether. This proactive approach allows you to optimize user access and eliminate unnecessary costs associated with dormant accounts.

Conclusion

Many finance teams underestimate how much hidden SaaS costs drain their budgets each year. Renewal surprises, underused licenses, and untracked integrations quietly erode margins especially when no one owns the full view of SaaS TCO.

Take the case of a mid-market company that partnered with Spendflo after realizing 25% of its SaaS budget went to unused tools. Within months, Spendflo’s centralized dashboard and vendor negotiation support helped them recover over $400,000 in annual savings while bringing 70% of their spend under management.

The reality is that SaaS sprawl doesn’t just waste money it slows teams down and limits financial visibility. That’s where Spendflo helps. With AI-powered spend analysis, contract visibility, and guaranteed savings, we make it easy to understand and control your total cost of ownership for SaaS.

Ready to stop overspending and start optimizing? Book a demo to see how Spendflo can help you take charge of your SaaS TCO today.

FAQ

What are the 5 most important elements of TCO?

The five most important elements of Total Cost of Ownership (TCO) are initial costs, ongoing costs, hidden costs, time period, and value realization. Initial costs include implementation, setup, and data migration. Ongoing costs cover licensing, maintenance, and compliance. Hidden costs arise from renewals, integrations, or training, while the time period and realized value determine the tool’s true financial impact.

Is SaaS considered OpEx or CapEx?

SaaS is generally classified as Operating Expenditure (OpEx) because it involves recurring subscription payments rather than a one-time capital investment. Unlike traditional software that requires upfront hardware and license purchases, SaaS allows companies to spread costs over time, improving cash flow flexibility and budgeting accuracy.

How do you calculate COGS for SaaS?

To calculate Cost of Goods Sold (COGS) for a SaaS company, include all direct costs tied to delivering the product. This typically covers hosting, cloud infrastructure, third-party software, customer support, and salaries of engineering or operations teams involved in maintaining uptime and performance.

The formula is: COGS = Direct Hosting Costs + Support Costs + Third-Party Software Fees + Maintenance Expenses.

What is a good CAC for a SaaS company?

A good Customer Acquisition Cost (CAC) for a SaaS company varies by market segment, but a healthy benchmark is maintaining a CAC-to-LTV ratio of 1:3. This means the lifetime value (LTV) of a customer should be at least three times the cost of acquiring them. Companies with lower CAC and high retention tend to scale efficiently and achieve faster ROI on their SaaS investments.

Need a rough estimate before you go further?

Here's what the average Spendflo user saves annually:
$2 Million
Your potential savings
$600,000
Managed Procurement.
Guaranteed Savings.
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