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A Manager's Guide

The 9-Box Grid

A practical guide to using the 9-box grid to assess your sales team, and what to actually do with what you find. It moves you beyond gut feel, sharpens your 1-2-1s, and tells you where to spend your time and development budget.

The grid

Plot each person on two dimensions: Performance (consistent results against the role, right now) and Potential (capacity to grow into broader scope or a more senior role).

Potential ↑

Low

Moderate

High

Potential Gem

Coach + unblock performance

High Potential

Accelerate development

Star

Retain + stretch

Inconsistent Player

Clarify expectations

Core Player

Stabilise + support

High Performer

Reward + replicate

Risk

Decide: improve or exit

Average Performer

Narrow focus

Solid Performer

Recognise consistency

Performance →

Remember

A placement is a conversation starter, not a label. It reflects where someone is today, not who they are.

How to run the session

Before you start

If you’re running this as a group (a co-founder, or alongside a fractional sales leader), calibrate before you place anyone. Agree your definitions in writing first. It makes the conversation much cleaner.

  • What does “high performance” actually mean in this role, for us, right now?
  • What does “high potential” look like? What behaviours or moments have we seen that indicate it?
  • Are we rating people against the same standard, or unconsciously adjusting for how much we like someone?

Running the session

  • Plot each person independently first, then compare. It surfaces disagreement early and keeps it honest.
  • Start with the clearest Stars and Risks to anchor the grid. Everything else calibrates against those.
  • Evidence, not impression. For every placement: what have I seen in the last 90 days that supports this?
  • Disagree out loud. Where two people place someone differently is the most valuable part of the session. Explore it, don't average it away.
  • Don't try to be kind with the grid. Placing someone in the middle when you think they're a Risk just delays a conversation they need.

After the session

  • Every person should have at least one agreed action that follows from their placement.
  • No one needs to be told exactly where they sit, but everyone deserves a conversation that reflects what you concluded.
  • Review the grid every quarter. People move.

What to do: actions by box

Star

High performance · High potential

Your most valuable people. The risk here is losing them through neglect.

  • Have an explicit conversation about their future in the business. Don't assume they know they're valued
  • Give them a stretch assignment or increased scope in the next quarter
  • Understand what would make them leave, and address it before it becomes a reason
  • Involve them in decisions beyond their current role
  • Consider whether they're ready for a step up, and what that looks like

Risk to avoid: Assuming Stars are fine because they're performing. They're the most recruitable people on your team.

High Performer

High performance · Moderate potential

Consistent, reliable, doing the job well. May not be destined for a bigger role, but incredibly valuable where they are.

  • Recognise and reward their consistency explicitly. Don't take them for granted
  • Understand whether the moderate-potential rating is permanent or circumstantial (life stage, role fit, interest)
  • Don't push them towards a management track if that's not what they want
  • Use them as an anchor in the team, their consistency is stabilising
  • Keep them challenged within their current scope

Risk to avoid: Boring them into leaving by assuming they don't need attention because they're performing.

Solid Performer

High performance · Low potential

Doing the job well, probably at or near their ceiling in this role. That's fine. Not everyone needs to grow upwards.

  • Recognise their reliability. They often get overlooked because they don't cause problems
  • Be honest (with yourself) about whether there's a future for them in a growing business
  • Don't invest heavily in upward development if the ceiling is real
  • Keep role expectations clear so they know what good looks like and can keep hitting it

Risk to avoid: Promoting them beyond their ceiling because they've been reliable. It rarely ends well for either side.

High Potential

Moderate performance · High potential

Significant upside, but not yet delivering consistently. Usually a development or environment problem, not a capability problem.

  • Diagnose why performance is moderate: is it clarity, confidence, support, or the wrong role?
  • Accelerate development: stretch assignments, senior exposure, structured coaching
  • Set clear short-term performance expectations so they have something specific to hit
  • Check in more frequently. They often need more contact time than Stars
  • Be honest about the timeline: if performance doesn't improve, the potential conversation gets harder to sustain

Risk to avoid: Investing heavily in development while tolerating underperformance indefinitely. Set a clear window.

Core Player

Moderate performance · Moderate potential

The backbone of most teams. Not spectacular, but solid and stable.

  • Make sure expectations are clear and agreed. Core Players often drift because nobody's set a clear bar
  • Provide consistent support and a stable environment
  • Identify one area of development to focus on. Don't try to fix everything at once
  • Recognise their contribution. They often feel invisible next to higher-profile colleagues
  • Revisit the potential rating: sometimes Core Players surprise you when given the right opportunity

Risk to avoid: Ignoring them. They're not causing problems, but they can quietly disengage if they feel overlooked.

Potential Gem

Low performance · High potential

Significant upside, but currently underdelivering. The question is why.

  • Have a direct conversation: is the performance gap a surprise to them, or do they know?
  • Diagnose the root cause: unclear expectations, wrong role, personal circumstances, lack of support?
  • Set very specific short-term performance targets and check in weekly
  • Give them a real development opportunity alongside the performance conversation, not instead of it
  • Set a clear review point: if performance hasn't moved in 60–90 days, the potential rating gets harder to act on

Risk to avoid: Being so excited by the potential that you tolerate poor performance for too long. Potential that never converts is just promise.

Average Performer

Moderate performance · Low potential

Doing enough, but not growing. May be in the right role at the wrong company stage.

  • Narrow their focus to the highest-value activities in their current role
  • Don't invest in development for a role they'll never reach
  • Be honest about whether the role itself has a future as the business grows
  • Have a quiet conversation about what they want. Sometimes they're aware of the ceiling and would welcome a change
  • Keep expectations clear and manage performance consistently

Risk to avoid: Carrying them indefinitely because they're not causing problems. As you grow, Average Performers can drag on team standards.

Inconsistent Player

Low performance · Moderate potential

Frustrating because you can see the potential, but the delivery isn't there.

  • Clarify expectations immediately and specifically. Vague feedback doesn't work here
  • Identify the pattern: is it certain situations, certain types of work, certain managers?
  • Set a short, clear performance-improvement window: 30 to 60 days with weekly check-ins
  • Separate the performance conversation from the potential conversation. Don't conflate them
  • If performance doesn't improve within the agreed window, act. Potential without delivery isn't enough.

Risk to avoid: Having the same conversation repeatedly without consequences. It damages your credibility with the rest of the team.

Risk

Low performance · Low potential

The clearest case for action. The question is not whether to act, but when and how.

  • Have the honest conversation now. The longer you wait, the harder it gets and the more it costs
  • Document performance concerns and the support provided
  • Set a formal improvement plan with clear targets, a defined timeline, and agreed consequences
  • Involve HR or take legal advice if needed before acting
  • If exit is the right outcome, handle it with dignity. How you treat people on the way out is watched by everyone still in the room

Risk to avoid: Tolerating a Risk placement because the conversation is uncomfortable. Every week you delay, the team notices.

Questions for the follow-up 1-2-1

You don’t need to share the grid, but every placement should lead to a better conversation. These work regardless of where someone sits:

  • Where do you feel you're performing well right now?
  • Where do you feel you're not at your best?
  • What do you want to be doing more of in the next six months?
  • What's getting in the way of you doing your best work?
  • What do you need from me that you're not currently getting?

Using this in a small team

With two or three salespeople, the 9-box doesn’t need to be a set-piece session. Use it as a thinking tool: ask the two questions for each person, plot them privately, and let it inform how you prioritise your time and conversations next quarter. The value isn’t the grid itself. It’s the clarity it forces.

Joe and Chris build and run sales engines for UK B2B teams — including the management rhythm that develops salespeople properly. If you'd like to talk through how to develop your sales team, book a free Sales Engine Review.

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