A framework for running growth experiments that produce clear results, not ambiguous data. This guide covers the practical aspects based on what we have seen work across multiple projects.
Most companies either skip this entirely or overthink it. The goal is not perfection but a structured approach that gives you better results than guessing. We will cover the key decisions, common mistakes, and how to measure whether your approach is working.
Start with an honest assessment of where you are today. What are you currently doing (if anything)? What results is it producing? What resources do you have available?
From there, pick the approach that matches your resources and timeline:
Every growth experiments strategy involves trade-offs. Here are the ones that matter most:
Based on what we have seen go wrong in real projects:
Define your success metrics before you start, not after. Good metrics for growth experiments:
Review weekly for leading indicators and monthly for lagging indicators. If leading indicators are strong but lagging indicators are not improving after 3 months, your activities are not connecting to outcomes and you need to diagnose why.
Most growth experiments programs take 3-6 months to show meaningful results. You should see early signals within the first month (engagement, pipeline activity) and business impact by month 3-4. If nothing is moving after 3 months, reassess your approach.
You can start with a minimal budget and grow as results justify investment. For most mid-size companies, EUR 2,000-5,000/month covers tools and basic execution. Larger programs with dedicated staff run EUR 10,000-25,000/month. The key is starting with what you can sustain for 6+ months.
If growth experiments is core to your competitive advantage, build the capability in-house. If it is important but not differentiating, an agency can get you started faster. Many companies start with an agency, learn the process, and then bring it in-house once they know what good looks like.
We work with companies across Europe on viral hacking projects. Tell us what you are working on.
Get in Touch