The one line on your P&L that shows you how to scale from 20k → 50k/month while reducing your workload.

(A CFO’s guide for service businesses with 2–6 people)

If you’re bringing in £20–30k a month but the business feels heavy, this guide will show you why.

Most founders at this stage assume they need to ‘grow past the problem’. They don’t.

There is one line in your P&L that reveals whether your business is becoming more resilient or more fragile as it grows.


This quick-reference, free guide shows you:

  • what that line is

  • how to calculate it properly

  • what a healthy range looks like for service businesses at your stage

    About the Author

    Thea Brook is a CFO and three-time founder who has spent the past twenty years helping service businesses grow with clarity and commercial confidence.

    She works with founders who are past the early scrappy stage but find that growth has started to feel heavier rather than easier.

    Her work focuses on helping businesses reduce founder dependency, stabilise delivery, and build models that support sustainable growth.