How to Write an Effective RCA Email: Example & Tips

Crafting a compelling Return on Investment (ROI) email, often referred to as an RCA (Return on Ad Spend) email, is a critical skill for digital marketers. These emails aim to communicate the value of your marketing efforts to stakeholders, persuading them to continue or increase investment. Here's a step-by-step guide on how to write an effective ROI email, complete with an example.

📧 Professional Email Writing
📧 Professional Email Writing

First, understand your audience. Stakeholders may include CEOs, CFOs, or other non-technical decision-makers. They're interested in results, not the intricacies of your marketing strategy. Keep your language simple, clear, and focused on outcomes.

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an email form with the words formal email writing written in blue and white on it

Understanding Your Data

Before writing, gather and analyze your data. Key metrics include Cost Per Acquisition (CPA), Revenue Per Click (RPC), and Return on Ad Spend (ROAS). Use tools like Google Analytics and Google Ads to track these metrics.

an email form with the words writing a letter or email
an email form with the words writing a letter or email

Calculate your ROI using the formula: (Revenue - Cost) / Cost. This will give you a percentage that represents the return on your investment.

Identifying Key Trends

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an open notebook with writing on it and notes about how to write an email list

Look for trends over time. Are your ROIs increasing or decreasing? What's driving these changes? Identify the most successful campaigns and channels.

Use visuals like charts and graphs to illustrate these trends. They make complex data more accessible and engaging.

Setting Benchmarks

Professional Email Phrases: Say It Better at Work | Email Communication Guide
Professional Email Phrases: Say It Better at Work | Email Communication Guide

Compare your performance against industry benchmarks. This provides context and helps stakeholders understand if your results are good, bad, or average.

Sources like WordStream and Hanapin Marketing publish annual benchmarks for various industries. Use these to set realistic expectations and identify areas for improvement.

Crafting Your Email

Essential professional email writing guide plus examples
Essential professional email writing guide plus examples

Now that you've analyzed your data, it's time to write your email. Keep it concise, engaging, and focused on results.

Use a clear, compelling subject line to increase open rates. Something like "Q2 ROI Report: [Your Company Name]" should suffice.

How to Write a "We Miss You" Email That Actually Works
How to Write a "We Miss You" Email That Actually Works
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792K views · 3.9K reactions | Professional Email Writting 📧 | Learning Treasure | Facebook
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The Introduction

Start with a brief, friendly greeting. Then, quickly summarize the email's purpose and the time period it covers.

For example: "Hi [Stakeholder's Name], I hope this email finds you well. I'm writing to provide an update on our marketing performance for Q2."

The Body

Use bullet points or tables to present your key findings. Highlight the most important metrics and trends. Use visuals to support your points.

Here's an example of how you might present your data:

Campaign/Channel CPA RPC ROAS
Google Ads - Search $25 $100 4.0x
Facebook Ads - Newsfeed $35 $75 2.1x

Explain what these numbers mean and why they matter. Highlight any significant improvements or declines.

The Conclusion

End with a clear, actionable recommendation. This could be a request for more budget, a suggestion to reallocate funds, or a plan to test new channels.

For example: "Based on these results, I recommend we increase our Google Ads budget by 20% next quarter. I'll also explore opportunities in LinkedIn Ads to reach new audiences."

Finally, thank the recipient for their time and consideration. Encourage them to ask questions or provide feedback.

Writing an effective ROI email requires a balance of data analysis and clear communication. By following these steps and using the example provided, you'll be well on your way to crafting compelling ROI emails that drive action and improve your marketing efforts.