• Products

    User Referrals

    User referrals, embedded where they convert. See more

    Partner Referrals

    Turn your partners into a scalable revenue channel. See more

    Features

    • Platform
    • Web Experience
    • Mobile Experience New
    • Integrations
    • Enterprise
    • Cello AI New
    • Growth Portal

  • Customer highlights

    See all

    Hera

    Hera launched referrals in just two days, now driving over 15% of their ARR growth through user referrals. Learn more

    Typeform

    Launched a user referral growth channel that achieved the lowest CAC across all acquisition channels. Learn more

    By Category

    • GenAI
    • Productivity
    • Vertical SaaS
    • HR & Fintech

  • Resources

    All Resources

    Become an expert on user-led growth. Discover guides, blog posts, and recent referral programs powered by Cello. Learn more

    Overview of B2B Referral Metrics and KPIs

    Recent Resources

    • Guide to B2B User Referrals
    • Guide to B2B Affiliate Referrals
    • Guide to B2B Influencer Referrals
    • Referral ROI Calculator
    • Cello Partner Program
  • Pricing
  • Docs
Sign In Book a demo

Let's get you started

Please answer a few questions in order for us to run you through a personalized demo.

Let's get you started

Please answer a few questions in order for us to run you through a personalized demo.

Super-fast and easy to setup. Really straightforward to access data and insights, and implement changes to improve metrics. Also super-helpful, kind, and experienced team. A real joy to work with them.

Raphael Allstadt

Co-founder & CEO at tl;dv

Meanwhile...

Here are curated articles for you.

Guides

Guide to B2B referrals

Most comprehensive guide to getting started with user referrals.

Header Image Kyle Poyar

Developers

Docs

Everything you need to seamlessly integrate Cello.

Get started with Cello

Get started with referrals

Product

  • Product
  • Pricing
  • Docs

Resources

  • Guides
  • Customer Stories
  • Cello vs. Partnerstack
  • Cello vs. Rewardful
  • Cello vs. Aklamio
  • Cello vs. Impact Advocate
  • Cello Partner Program

Legal

  • Terms and Conditions
  • Terms of Service
  • Imprint
  • DPA

Company

  • Jobs
  • Media
Seal of Quality | Data Protection
Imprint
Copyright 2026 Cello
Privacy Policy

Thank You!

Cello demo booking form is loading.

Customer since 2023
"Cello was simple to set up and to maintain, and we were able to see results quickly. We love the lean and frictionless UX."
Till Zimmerman
Head of Growth @ Plancraft
10.6%
Mtl. ARR Growth
from referrals
47%
Free trial to paid ratio from referrals
5.7x
Referral Program ROI
Customer since 2023
"We had a frictionless setup and are seeing promising results. Cello efficiently and quickly helped us set up and experiment upon an important growth loop."
Linus Hallberg
Senior Product Manager @Typeform
27.3%
Mtl. Sharing Rate
12.7%
Mtl. Sign Up Rate
Lowest
CAC across marketing mix
Customer since 2025
“Cello made it effortless for us to launch a referral program that drives real revenue. We went live in just two days.”
Peter Tribelhorn
Co-Founder @Hera
29.3%
Activation Rate
38.9%
Referral View-to-Signup Conversation Rate
15.8%
ARR Growth from Referrals