
Small firm, senior people
A small team of experienced consultants who do the work themselves, for owner-led and mid-sized companies.
A small team with real experience
Tallis Brook is a small, independent consultancy that stays involved until the work is done.

We are a small team of experienced consultants. Every project is led by someone who does the work, not just sells it. We work with owners and leadership teams, and we judge ourselves on what changes after we leave.
- Senior people onlyThe person you meet is the person who does the work.
- Clear feesA written scope and a price before we start.
- Built to be handed overYou should not need us to run what we build.
- 2024
- Founded
- 120+
- Projects
- 6
- Consultants
What clients say
Sample reviews. Replace them with your own before you launch.
They spotted problems we had stopped seeing. The plan was simple enough that the whole team could follow it.
They did not hand us a report and disappear. They stayed involved until it worked.
Honest about what would and would not work, and clear on the fee from day one.
Plans that survive Monday morning.
A free intro call with a partner, no obligation. We usually reply within one working day.