Have you ever thought about this: fork out more to get a new customer or keep it budget-friendly without losing out on results? It's pretty clear—we all like to save a bit!

Now, in Software as a Service (SaaS), it's not a cakewalk. Getting and holding onto customers means spending money by making your “Customer Acquisition Cost” higher. 

Let's chat about what exactly is: Customer Acquisition Cost and other practical ways to cut costs and boost your SaaS success. 

What is Customer Acquisition Cost for SaaS Business?

The Customer Acquisition Cost (CAC) for a SaaS (Software as a Service) business is the total cost of acquiring a new customer for the SaaS product or service.

This cost per customer includes various expenses, including advertising, sales and marketing efforts, and other resources invested in attracting, converting, and onboarding customers. 

Calculating the CAC is essential for SaaS businesses to assess the efficiency and sustainability of their customer acquisition strategies, helping them make informed decisions about their marketing and sales initiatives.

A lower CAC relative to the Customer Lifetime Value (CLV or Customer LTV) is often a desirable goal, as it indicates that the business is efficiently acquiring customers who generate more revenue over their lifetime with the company.

Need to measure SaaS Customer Acquisition Cost

Measuring SaaS Customer Acquisition Cost (CAC) is crucial for several reasons:

1. Cost Efficiency

Measuring CAC enables businesses to assess the efficiency of their customer acquisition strategies. This involves calculating the total costs incurred in acquiring a new customer, including marketing, sales team, advertising, and other relevant expenditures.

2. Budget Allocation

CAC calculation helps in allocating budgets effectively. SaaS companies can allocate resources to the channels and campaigns that yield the best results, ensuring their marketing spend is utilized efficiently.

4. Scalability

Measuring CAC is fundamental to evaluating the scalability of a business. Scalability refers to the ability of a company to grow its operations efficiently without proportionately increasing its costs. CAC is a key indicator in this assessment by providing insights into the costs associated with acquiring new customers.

5. Risk Mitigation

When referring to risk mitigation in the context of Customer Acquisition Cost (CAC) analysis and scalability, several potential risks can be identified, including:

Overextension of Resources

Rapid expansion without a thorough understanding of CAC may lead to overextending resources. If customer acquisition efforts are scaled up indiscriminately, businesses may allocate more resources than necessary to channels or strategies that are not cost-effective, resulting in financial strain and inefficiency.

Market Saturation Issues

Scaling without a nuanced understanding of CAC may lead to market saturation issues. If customer acquisition efforts are concentrated in a limited market without considering factors such as competition and consumer demand, the business may saturate its target audience, making it difficult to sustain growth.

Lack of Adaptability

Failure to assess CAC may hinder a business's adaptability to changing market conditions. Without ongoing analysis and adjustment, the company may be unable to respond effectively to shifts in consumer behavior, competitive landscapes, or emerging industry trends, leading to decreased effectiveness in customer acquisition.

Cash Flow Challenges

Inefficient scaling can result in cash flow challenges. If the costs associated with customer acquisition outpace the revenue generated from new customers, the business may experience cash flow difficulties, impacting its ability to invest in other critical areas and maintain financial stability.

6. Customer Lifetime Value (CLV)

Measuring Customer Acquisition Cost (CAC) is vital, particularly when assessing its relationship with Customer Lifetime Value (CLV).

Businesses can determine the profitability of their customer relationships by comparing the actual cost of acquiring customers (CAC) to the expected revenue they generate over their lifetime (CLV). This comparison informs strategic decisions, enabling optimal investment allocation, customer segmentation, and a focus on retention efforts.

A favorable CAC to CLV ratio ensures that the cost of acquiring customers is justified by their long-term value, contributing to sustained profitability and informed growth strategies.

How to calculate Customer Acquisition Cost?

Customer Acquisition Cost calculation in the context of a SaaS business involves determining the total expenses associated with acquiring a new customer. Here's a formula for CAC:


CAC = (Total Sales and Marketing Expenses) / (Number of New Customers Acquired)

Follow these steps to calculate CAC:

Step 1 : Identify the Time Period

  • Decide the time frame you want to calculate CAC for (e.g., monthly, quarterly, or annually).

Step 2: Gather Data

  • Total Costs of Sales and Marketing: This includes all expenses related to marketing and sales efforts, such as advertising, salaries, software tools, and other resources devoted to acquiring customers.
  • Number of Customers (New) Acquired : Count the number of new customers gained during the chosen time period.

Step 3: Plug into the Formula

  • Divide the total sales and marketing costs by the number of new customers acquired.

Step 4: Interpret the Result

  • The CAC represents the average cost incurred to acquire one new customer during the specified time period.

Step 5: Analysis and Benchmarking

  • Compare your CAC to industry benchmarks and historical data to assess the efficiency of your customer acquisition efforts. A lower CAC is generally desirable, but it should also be considered with paying Customer Lifetime Value (CLV) to ensure profitability.

Step 6: Continuous Monitoring

  • Continuously calculate and monitor CAC over time to track changes and improvements in your customer acquisition strategies. Regular assessment helps in making informed decisions for cost-effective growth.

How CAC and CLV are interconnected?

Customer Acquisition Cost (CAC) and Customer Lifetime Value (CLV) are closely interconnected in the business world, especially in SaaS (Software as a Service) and subscription-based industries. Here's how they relate to each other:

1. Assessment of Financial Health

  • CAC represents the cost of acquiring a new customer for your business.
  • CLV measures the total value a customer brings to your business over their entire engagement with your service.
  • The interconnection begins with the financial health of your business: if your CAC is greater than your CLV, it's unsustainable in the long run. Thus, retaining the existing customers becomes important to reduce your CAC.

2. Return on Investment (ROI)

  • If your CAC is lower than your CLV, you're making a positive return on investment. For every dollar spent on acquiring a customer, you expect to earn more than a dollar in return over the customer's lifetime.
  • A positive ROI indicates that you can invest more in new customer acquisition, scale your business, and maintain profitability.

3. Growth and Scaling

  • A favorable CAC-to-CLV ratio allows you to confidently scale your customer acquisition efforts without jeopardizing profitability.
  • It provides a basis for allocating marketing and sales resources to maximize growth while maintaining financial sustainability.

4. Optimizing Strategies

  • Analyzing the relationship between CAC and CLV enables you to assess the effectiveness of your customer acquisition and retention strategies.
  • You can make informed decisions about where to focus efforts, whether reducing acquisition costs, improving customer retention, or both.

5. Customer Segmentation

  • Understanding CAC and CLV for different customer segments helps tailor strategies for various types of customers. Some segments may have higher CAC but also higher CLV, justifying the investment.

6. Iterative Improvements

  • The continuous measurement of CAC and CLV allows for iterative improvements. By reducing CAC and increasing CLV, you can enhance your business's financial health over time.

Is there a need to reduce CAC and how?

Reducing Customer Acquisition Cost (CAC) is essential for many SaaS (Software as a Service) businesses, primarily because it directly impacts profitability and sustainability. Here's why it's important and how to achieve it:

Why Reduce CAC?

1. Financial Efficiency

Lowering Customer Acquisition Cost (CAC) directly contributes to financial efficiency. When a SaaS business can acquire customers at a lower cost, it improves the overall cost-effectiveness of its operations. This efficiency positively impacts profitability by ensuring that revenue generated from acquired customers exceeds the costs associated with acquiring them.

2. Sustainable Growth

A reduced CAC is pivotal for sustainable growth. The business can scale more efficiently when the customer acquisition cost is lower. This allows for an increase in customer acquisition without proportionally increasing costs and provides more financial room to invest in other critical growth areas, such as product development, marketing innovation, or customer support.

3. Competitive Advantage

Maintaining a lower CAC can confer a significant competitive advantage in a competitive SaaS market. With a more cost-effective customer acquisition process, the business can offer more competitive pricing to attract customers or allocate additional resources to product development and innovation. This strategic advantage can position the company as a leader in the market, attracting a larger customer base.

4. Investor Appeal

For startups and companies seeking investments, a well-managed, low CAC is attractive to investors and stakeholders. Investors are often keen on businesses that demonstrate efficiency in customer acquisition, as it signifies a higher likelihood of sustained profitability. A low CAC showcases a sound business model and effective use of resources, making the company more appealing to potential investors.

How to Reduce CAC?

1. Targeted Marketing

Utilize data analytics and customer segmentation to understand your target audience. Craft personalized marketing messages and use channels where your audience is most active. Invest in social media advertising platforms that allow precise audience targeting based on demographics, interests, and online behavior.

2. Refine Your Sales Process

Implement a Customer Relationship Management (CRM) system to streamline the sales process. Analyze data to identify bottlenecks and inefficiencies.

Train your sales team to focus on the most effective selling techniques and prioritize leads based on their likelihood to convert. Leverage technology for efficient communication and document management.

3. Customer Retention

Develop a robust customer retention strategy by offering loyalty programs, personalized discounts, offer trials and exclusive perks.

Implement proactive customer service measures, such as quick issue resolution and personalized communication. Regularly gather feedback and use it to enhance the overall customer experience.


Powtoon's email exudes a vibrant and creative spirit with its lively colors. It introduces a “SUMMER SALE 25% OFF” message, creating a sense of urgency. The email explains the sale and highlights the features of the Powtoon Professional plan. It cleverly plays on the “Fear of Missing Out” (FOMO) effect twice, emphasizing the importance of seizing the offer before it's too late.

Offer Email Powtoon 600x1191 1

4. Referral Programs

Launch a customer referral program with clear incentives for both the referrer and the new customer. Use referral tracking tools to monitor and reward successful referrals.

Create engaging and shareable content that customers can easily pass on to their networks. Regularly communicate the benefits of the referral program to your customer base.


Referral programs are all about incentivizing. Here is the perfect example of Trello doing the same through its customer referral program.

Trello simply asked its customers to refer it to their known and get Trello Gold membership for free. This give and take idea most of the time lands on the positive side of the game or we can say the winning side. 

Trello Customer Referral Program Channel 1536x809 1

5. Content Marketing

Develop a SaaS content marketing strategy that aligns with your target audience's interests and pain points. Create high-quality blog posts, videos, and infographics that provide value and showcase your expertise.

Optimize content for search engines to increase organic reach. Utilize social media and email marketing to distribute content effectively.


This is an example of an SaaS email marketing campaign by Grammarly. In this campaign, Grammarly addresses a common pain point that users may face. It emphasizes the importance of using Grammarly to avoid making mistakes and prevent a decline in the quality of their text.

Grammarly Email Marketing Campaign 600x1157 1

6. Optimize Marketing Channels

Conduct regular performance assessments of your SaaS marketing channels. Use analytics tools to track key metrics such as conversion rates and customer acquisition costs for each channel.

Allocate budget and resources based on channels, consistently delivering the best results. Stay agile and be willing to adjust strategies based on performance data. These SaaS marketing channels include

  • Social Media Marketing
  • Influencer Marketing
  • Affiliate Marketing
  • Email Marketing
  • Other types of Content Marketing

7. Automate and Optimize

Implement marketing automation tools to streamline repetitive tasks, such as email drip campaigns and social media posting. Use customer relationship management (CRM) software to automate lead nurturing and scoring.

Employ A/B testing to optimize marketing messages and strategies. Continuously monitor the performance of automation tools to ensure effectiveness.

Mistakes while calculating CAC as a SaaS Metric

Calculating Cost of Customer Acquisition is crucial for SaaS businesses, but it's important to avoid common mistakes that can lead to inaccurate or misleading results. Here are some mistakes to watch out for:

1. Incomplete Cost Consideration

This happens when a business doesn't count all the money it spends to get new customers. It's like planning a trip and forgetting to include expenses like food and gas. If you forget some costs, it can make it look like you're spending less than you really are.

2. Generalized CAC

This is when you use one average number to represent all your customers, even though they may have come from different places or cost different amounts to get. It's like saying everyone in your family spends the same on snacks when they don't. It's better to look at each type of customer separately.

3. Ignoring Time Frame

Imagine you're talking about how much you eat, but you forget to say if you're talking about a day, a week, or a month. Time matters when you're looking at costs. If you don't mention the time frame, it can lead to misunderstandings.

4. Excluding Referral and Word-of-Mouth

Sometimes, businesses don't count customers' costs who heard about them from their friends. It's like not counting the people who came to see a movie because their friends told them it was good. Not including these costs can make it look like you're spending less than you really are.

5. Neglecting Existing Customer Costs

A business only thinks about the money it spends to get new customers and forgets the money it needs to keep its existing customers happy. It's like paying attention only to the new stuff you buy and forgetting about your regular bills. It's a mistake because both types of costs are important.

6. Miscalculating the Number of New Customers

Imagine counting how many candies you have, but you keep getting the number wrong. If you don't keep track of how many new customers you get correctly, it can mess up your cost calculations.

7. Disregarding Customer Churn

Churn is like when water leaks out of a bucket with a hole. You're putting water in (getting new customers), but if you're not fixing the hole (customers leaving), you're wasting water and money. Not thinking about customers who leave when calculating costs can make it look like you're spending less than you really are.

8. No Consideration of Customer Lifetime Value (CLV)

It's like only looking at the price of a toy and forgetting to think about the cost of batteries. CAC should be looked at along with CLV. Ignoring CLV is like looking at the toy's cost without considering the money you'll spend on batteries in the long run.

9. Failure to Regularly Update CAC Calculations

Imagine using an old map to find your way in a new place. Things change, and you might get lost. CAC is not a fixed number; it can change over time. If you don't update your cost calculations regularly, you might make decisions based on the wrong information.

Ready to improve your SaaS business with better CAC?

To wrap it up, knowing how much it costs to get new customers is super important for SaaS businesses in 2024 and the future. You can grow without spending too much money if you're smart about it. It's like having a secret weapon in the competitive world of SaaS.

So, in this digital age, keep learning and using data to improve your business. By understanding and improving this cost, your SaaS business can keep growing.

Share in the comments: What's your next move to cut down on CAC and boost your profits?

Also, if you think that you need professional help to create amazing content and market your SaaS product and service, feel free to contact webdew.

Frequently Asked Questions

Customer Acquisition Cost (CAC) in B2C or B2B SaaS refers to the total cost a SaaS company incurs to acquire a new customer. It includes expenses related to marketing, sales, advertising, and other efforts aimed at attracting and converting customers to use their software or service.

A CAC for a SaaS business typically includes all the costs associated with acquiring new customers. This encompasses marketing and advertising expenses, sales team salaries, software development and maintenance costs, and any other resources devoted to bringing in and onboarding customers. Calculating an accurate CAC is essential for assessing the efficiency and sustainability of a SaaS business.

The CAC ratio in SaaS is a metric that measures the relationship between Customer Acquisition Cost (CAC) and Customer Lifetime Value (CLV). It helps SaaS businesses determine if their customer acquisition costs are justified by the value those customers bring over their entire relationship with the company. A favorable CAC ratio indicates that the revenue generated from a customer over time exceeds the cost of acquiring that customer.

CLV, or Customer Lifetime Value, in SaaS, is a metric that represents the total value a customer brings to a SaaS company over the entire duration of their engagement with the service. It takes into account subscription fees, additional purchases, and the length of the customer's relationship with the company. CLV is crucial for understanding the long-term financial impact of acquiring and retaining customers in the SaaS industry.