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5 Referral Emails That Help Grow Your SaaS

Referrals don’t happen by chance β€” they happen when you make it easy (and worth it) for your users to share. A good referral email does exactly that, and when it’s sent at just the right moment, it feels natural β€” not pushy.

The best ones are short, clear, and make the ask simple: here’s what to do, here’s what you get. No fluff, no confusion.

In this post, you’ll find 5 SaaS referral email examples that do the job well β€” whether you’re offering discounts, credits, or just a simple thank you.

Let’s check them out.

CTA Button: Encharge automates SaaS referral emails

What is a SaaS Referral Email?

A SaaS referral email is a message you send to ask users to refer your product to their friends, team, or network.

These emails turn happy customers into advocates. Instead of spending more on ads, you get your users to help spread the wordβ€”usually with a reward for both sides. It could be a free month, a gift card, account credit, or just early access to something new.

Referral emails work best when they’re simple, clear, and sent at the right momentβ€”like after a customer sees success or hits a milestone inside your product.

Why Send Referral Emails for Your SaaS?

The main reason to send referral emails is to grow your user base through people who already love your productβ€”and trust is built-in from the start.

Word-of-mouth converts better than ads, and referral emails make it easy for users to share your tool with the right people.

1. Lower customer acquisition costs

Referrals are cheaper than paid ads, sales teams, or cold outreach. You’re turning your existing customers into your marketing engineβ€”without the overhead.

It’s a low-cost, high-trust growth channel.

2. Bring in high-quality leads

Referred users tend to convert better and stick around longer. Why? Because they’re coming in warm, based on real experiencesβ€”not some flashy headline.

That makes them easier to onboard, upsell, and retain.

3. Deepen loyalty with current users

Offering a reward for referrals gives your users one more reason to stay engaged. Even if they don’t refer right away, just seeing the offer can boost their perception of your brand.

It also gives them a sense of ownershipβ€”like they’re part of your success story.

When Should You Send Referral Emails?

You should send referral emails when users are most likely to say, β€œI love this product”—and want to tell others about it.

That usually happens after they’ve hit a win, stuck around for a while, or shared positive feedback.

1. After a user hits a success milestone

This could be completing onboarding, sending their 10th campaign, or achieving a goal inside the app. It’s the perfect moment to say, β€œGlad you’re enjoying itβ€”know anyone else who’d benefit?”

Strike while the momentum is high.

2. After a positive review or feedback

If a user leaves a 5-star review, submits positive feedback, or compliments your support teamβ€”follow it up with a referral email.

They’re already in a good mood. Give them a quick way to share that feeling with others.

3. As part of a loyalty or rewards campaign

If you’re launching a referral program or promoting rewards, make it part of your regular email flows.

A quarterly reminder or a dedicated campaign can keep referrals coming inβ€”without feeling like spam.

Listed: 5 SaaS Referral Email Examples That Actually Get Shared

Referral emails don’t need to be flashy. They just need to be clear, easy to act on, and feel like a win for both sides. Whether you’re giving discounts, credit, swag, or cash, these examples show how to write referral emails that don’t get ignored.

1. Simple Referral Ask – No fluff, just a link

This is the cleanest version of a referral email. You’re not overselling, just giving the user a quick reason to share and a clear CTA. Great for products with happy, active users.

Other subject lines:

  • Share the love (and get rewarded)
  • Help us grow β€” we’ll return the favor
  • Invite a friend. Everyone wins.
  • Got friends who’d love {productName}?
  • One link = double rewards

Why it works: It’s short, clear, and doesn’t overcomplicate things. You’re not begging, just offering.

2. Double-Sided Reward – Win-win setup

This email frames the referral as a win for both the sender and the friend. It lowers friction because users don’t feel like they’re just promoting β€” they’re helping someone else get a deal too.

Other subject lines:

  • Give a little, get a little
  • Help a friend. Earn a reward.
  • Your invite = mutual savings
  • Share the discount
  • You and a friend could both benefit

Why it works: It feels generous, not salesy. You’re making it about value, not promotion.

3. Time-Limited Referral Push – Create urgency

Sometimes a nudge helps. If referrals have slowed or you’re running a short promo, this email adds a deadline to move people into action. Keep the tone upbeat and friendly.

Other subject lines:

  • Clock’s ticking: double rewards
  • This referral bonus won’t last
  • Short-term boost, long-term gain
  • Time-sensitive referral promo
  • 2x the reward this week only

Why it works: Urgency gets results. You’re turning a passive program into a time-bound opportunity.

CTA Button: Encharge automates SaaS referral emails

4. Post-Success Nudge – After a big user win

The best time to ask for a referral? Right after the user gets value. This email ties the ask to something they just accomplished β€” like finishing onboarding, launching a campaign, or getting results.

Other subject lines:

  • Hit a milestone? Pay it forward
  • Help someone else win
  • Your success = someone else’s start
  • You’ve got momentum. Spread it.
  • Know someone who needs this?

Why it works: You’re catching users in a feel-good moment β€” when they’re most likely to share.

5. Referral Follow-Up – Remind inactive users

If someone joined your referral program but hasn’t shared yet, send a friendly nudge. This email is about making it feel easy again β€” no guilt, just a reminder.

Other subject lines:

  • Your referral link is still live
  • Forgot to share this?
  • You could be earning rewards
  • Give your referral link some love
  • Your invite link = unused potential

Why it works: It removes guilt and brings the offer back into view. Simple, friendly, and effective.

How to Improve Your SaaS Referral Emails

Answer: A strong referral email makes it dead simple for happy users to share your product. It quickly explains the reward, shows how to refer, and makes the whole thing feel like a no-brainer. The magic is in keeping it light, clear, and rewarding.

  • Highlight the reward first (what’s in it for them?)
  • Make the referral process 1–2 steps max
  • Add a short example or quote from a successful referrer
  • Use fun, friendly language β€” this should feel exciting
  • Include a bold CTA like β€œShare & Earn $20”
  • Remind them they don’t need a big audience β€” just one person helps

The best referral emails don’t feel like a marketing campaign β€” they feel like a fun opportunity. If users love your product, all you need to do is make it easy (and worth it) to share.

Referrals don’t start with a great offer

β†’ They start with the right timing. Encharge handles that for you.

The best referral emails don’t go to your whole list. They go to happy users right after they’ve seen value. Encharge helps you trigger referral asks when people are most likely to say β€œyes.”

Encharge.io website landing page
  • Trigger referral emails based on NPS score, milestones, or usage
  • Personalize messages with reward info and user context
  • Send one-off invites or build full referral sequences
  • Combine email, CRM, and automation β€” no duct tape needed
  • Used by 1,000+ SaaS teams to drive growth without paid ads

If you want better referrals, start with better timing. Encharge helps you catch users when they’re most excited to share.

CTA Button: Encharge automates SaaS referral emails

FAQ for SaaS referral email examples

1. How do you promote a referral program through email?

You promote a referral program by highlighting the reward clearly and showing users how easy it is to participate. The key is removing friction and making it feel rewarding. With Encharge, you can automatically promote the program at the perfect time in the user journey.

How to promote it:

  1. Send the referral email when users hit a positive moment (like completing a goal).
  2. Keep the message simple with just one CTA.
  3. Use Encharge to create referral nudges based on behavior or milestones

2. What should I include in a referral email?

A referral email should clearly explain what the user gets, what their friend gets, and how to refer someone. It should be easy to share and focused on one clear CTA. Encharge lets you personalize referral links and track who’s engaging.

What to include:

  1. The incentive for both the user and their referral.
  2. A simple explanation of how it works.
  3. A personalized link or button to share (generated with Encharge).

3. Do referral emails actually work for SaaS?

Yesβ€”referral emails can drive highly qualified signups because they come from trusted recommendations. They’re especially powerful in SaaS where users often talk to peers in the same space. With Encharge, you can track performance, tweak messaging, and double down on what works.

How to get results:

  1. Use strong incentives your audience actually wants.
  2. Make it dead simple to refer someone in 1 click.
  3. Monitor conversion and referral rates in Encharge.

4. How do I automate referral emails?

Automating referral emails saves time and ensures you’re asking at just the right moment. Encharge makes it easy to build a flow that sends referral invites based on user behavior, product usage, or survey responses.

How to automate the flow:

  1. Set the trigger (e.g. user hits a milestone or leaves a 9+ NPS score).
  2. Create a referral email template with a dynamic referral link.
  3. Use Encharge to send, track, and follow up on referrals.
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Meet your new marketing automation platform

Customer messaging tools don’t automate workflows outside your product and marketing automation tools are bad at behavior emails. Encharge is the best of both worlds β€” a marketing automation platform built specifically for B2B SaaS businesses

β€œEncharge helped us visually redesign our onboarding flow resulting in a 10% increase in our trial activation rate."

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Camille Richon
Founder Payfacile
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