This post is for SME owners and managers who have started to notice someone is not meeting the standard, but do not want to overreact or leave it too long.

You’ll leave with a simple early-intervention approach for addressing underperformance before it turns into a formal process.

This post is NOT: a step-by-step disciplinary or dismissal guide. If matters are already formal, sensitive or heading towards dismissal, get advice on the detail before acting.

It is not always obvious when underperformance starts in a small business.

More often, it starts with a few things that are not quite right. Deadlines begin to slip. Work needs more redoing than it should. Standards are inconsistent. Other people start picking up the pieces. A manager notices it but is not quite sure whether it is serious enough to raise yet.

That is usually the point where things either improve or get harder.

In busy SMEs, underperformance is often left too long because the manager is trying to be reasonable. They tell themselves the person is still settling in or the workload has been heavy or the issue might sort itself out next week.

There is a bit of human psychology in this too. Most people are wired to avoid discomfort if they can, especially when they are worried about upsetting someone or being seen as unfair. So managers delay the conversation in the hope that things will improve on their own. Sometimes they do. Quite often, though, the delay simply makes the issue worse, the manager more frustrated and the employee more likely to feel ambushed when the conversation finally happens.

That is why early action matters. Not heavy-handed action. Not formal action as a first move. Just clear, sensible management early enough to make a difference.

If you want something more specific, these may help:

If you want the wider manager routine: A Practical Performance Management Process for Small Businesses

If the conversation itself is what you are avoiding: Difficult Conversations at Work: A UK Guide for Employers and Managers

What underperformance looks like

Underperformance is not always remarkable. Often, it looks ordinary at first.

It may be the employee who misses small but important details. The one who needs instructions repeated. The one whose work is technically finished, but not to the standard you need. Or the person who is pleasant, tries hard and is clearly busy, but still is not delivering what the role requires.

That last version is often the hardest to manage, because there is no obvious bad behaviour to point to. It's not a conduct issue. It's a capability or performance issue.

That distinction matters. If the issue is about someone’s ability to do the job to the required standard, the answer is not to jump straight into discipline. The first question is usually simpler: do they understand what is expected and have they had a fair chance to meet it? Acas makes the same distinction between capability and conduct and says employers should look at what support, training or resources might help someone improve.

Why managers leave it too long

Most of the time, this is not about weak managers or uncaring employers. It's about hesitation.

Managers put it off because they don't want to knock someone’s confidence. They're not completely sure they're right. They hope a bit more time will sort it out. Or they tell themselves they need one more example before saying anything.

But there is another way to look at it. Giving constructive feedback early is often the kindest thing to do. It gives someone a fair chance to improve while the issue is still manageable, rather than leaving them in the dark until frustration has built up on both sides.

This is one of those situations where being clear earlier is actually kinder.

What to do in the first two to four weeks after you notice a problem

The best next step is usually not a formal meeting. It is a focused management conversation.

That means being specific about what is not working, checking whether there's something behind it and agreeing what needs to improve over a short period. Acas says employers should support employees to improve first where the issue is capability and dismissal should be a last resort.

In practice, the first conversation needs to do four things. It needs to name the concern clearly, use examples rather than general impressions, check whether the issue is skill, clarity, workload or confidence and end with a short, clear improvement plan.

This is where a lot of managers get stuck. They say things like “I just need you to be a bit more on top of things” or “Let’s keep an eye on quality”. That sounds polite, but it gives the employee very little to work with.

A better line is usually something closer to this: “Two client reports have gone out this month with errors that should have been picked up before sending. I want to talk through what is getting in the way and what needs to change over the next two weeks.”

That is clearer, fairer and much easier to follow up.

A simple early-intervention routine

You don't need a big framework here. You need a short routine managers can actually use.

First, pause and check the basics. Is the expectation clear? Has the person been shown what good looks like? Are they carrying a sensible workload? Is there a training gap, a confidence gap or a support gap?

Then have the conversation promptly. Not in passing. Not tagged onto another meeting. Give it enough space to be clear and respectful.

After that, agree two or three specific improvement points for the next couple of weeks. Not a shopping list. Just the points that matter most.

Then review it. Quite quickly. Underperformance improves fastest when feedback is close to the work, not saved up for the next monthly one-to-one.

If there's improvement, say so. If there's not, say that too. The point is not to create pressure for the sake of it. The point is to remove ambiguity.

A simple tool: the 2-week underperformance reset

If you want one reusable tool for this stage, make it this.

For the next two weeks, capture five things on one page:

• the concern

• the examples

• what good looks like

• what support is being provided

• the review date and outcome

That is enough to bring shape to the conversation without turning it into a formal process too early.

The key is that “what good looks like” must be concrete. Not “be more organised”. Not “take more ownership”. Something the employee can actually act on, such as submitting weekly payroll changes by 10am every Tuesday, checking all client letters against the template before sending or updating the CRM by the end of each day for every live prospect.

That level of clarity is what gives the conversation a fair chance of working.

What to check before you assume it's just poor performance

Not every performance issue is simply about effort or ability. Sometimes the role was not explained properly. Sometimes the standard has shifted without being reset. Sometimes the person is missing training, information or support. Sometimes there is a health issue or disability-related issue that needs a more careful approach.

Acas says employers should avoid discrimination when dealing with performance issues and should follow an appropriate capability procedure where a disability is affecting someone’s ability to do the job.

That does not mean every performance concern becomes complicated. It just means it's worth pausing long enough to ask the right question before deciding what sort of problem you're dealing with.

The practical takeaway

Underperformance gets harder when it's left sitting in the background.

The best early response is usually straightforward: name the issue, use examples, check what's behind it, agree a short improvement period and review it properly. Keep a short note. Keep the standard clear. Keep the conversation early enough to be useful.

That's often enough to turn something around before it becomes a much bigger management issue.

And if it doesn't turn around, you're still in a far better position than if nobody had said anything until the frustration was already doing the talking.

FAQ

Is underperformance the same as misconduct?

No. Underperformance is usually about capability or ability to do the role to the required standard. Misconduct is about behaviour. That distinction matters because the route you take may be different.

How quickly should a manager raise a performance concern?

Usually sooner than feels comfortable. Once there is a pattern or a couple of clear examples, it's often better to raise it early rather than wait for certainty that never quite comes.

Do I need a formal warning straight away?

Not usually. If this is an early-stage capability issue, the first step is often a clear management conversation, support and a short review period rather than a formal warning. Formal routes may come later if improvement doesn't happen.

What if there might be a health issue or disability involved?

Pause and check before pushing ahead in the usual way. A health issue or disability can change what support or adjustments may be needed and employers need to avoid discriminatory treatment.

Disclaimer

This is general guidance for UK employers. If you’re dealing with something live, the detail matters - get advice before taking action.