Blog/How to Identify Underperforming Sales Reps Before It Is Too Late

How to Identify Underperforming Sales Reps Before It Is Too Late

By Lex Thomas · May 16, 2026
sales-managementperformancecoaching

Underperformance Is a Lagging Indicator

By the time a rep misses quota, the underperformance started weeks or months ago. Quota attainment is a lagging indicator. It tells you what already happened, not what is happening. The reps who miss Q3 targets were already struggling in Q2, sometimes earlier. The problem is that most managers do not have systems to catch underperformance in its early stages.

Identifying underperformance early is not about catching people doing wrong. It is about intervening before a struggling rep becomes a lost rep. The cost of losing a sales hire, including recruiting, onboarding, ramp time, and lost revenue, is substantial. If you can identify a problem in month two and intervene effectively, you save far more than if you wait until month six and start a performance improvement plan.

Leading Indicators of Underperformance

These signals appear before quota is missed. Monitor them weekly.

Activity Indicators

  • Declining call volume: If a rep's outbound activity drops without explanation, something is wrong. It could be burnout, personal issues, or a loss of confidence. Regardless of the cause, declining activity always leads to declining results.
  • Meeting cancellations and no-shows: A rising rate of prospect cancellations suggests the rep is not qualifying well or not building enough value in the initial outreach to justify the prospect's time.
  • Pipeline creation drop-off: The most reliable leading indicator. If a rep's pipeline generation declines for two consecutive weeks, intervene. A pipeline problem today is a revenue problem in 60 to 90 days.

Quality Indicators

  • Stage-to-stage conversion decline: If a rep is booking meetings but not advancing deals past discovery, their qualification or demo skills need attention. Look at where deals are getting stuck.
  • Increasing average discount: When a rep starts discounting more aggressively, it usually means they are struggling to sell on value and are using price as a crutch.
  • Elongating sales cycles: If deals are taking longer to close than the team average, the rep may not be creating urgency, multi-threading, or driving clear next steps.
  • Declining call scores: If you use a call scoring framework (human or AI-powered), watch for consistent score declines. This is the earliest and most specific quality indicator available.

Behavioral Indicators

  • Withdrawal from team activities: A rep who stops participating in team meetings, avoids peer interactions, or becomes visibly disengaged is often struggling with something, whether performance-related or personal.
  • CRM neglect: When CRM updates become sparse or late, it often correlates with a rep who is either overwhelmed or disengaged. A well-maintained CRM reflects a rep who is on top of their pipeline.
  • Resistance to coaching: A rep who was previously receptive to feedback and suddenly becomes defensive or dismissive may be struggling with confidence or frustration.

The Diagnostic Conversation

When you identify early warning signs, do not jump to conclusions. Start with a diagnostic conversation. This is not a performance discussion. It is a check-in designed to understand what is happening beneath the surface.

Open with genuine curiosity:

"I have noticed [specific observation, not judgment]. I wanted to check in and see how things are going on your end."

Then ask diagnostic questions:

  • "How are you feeling about your pipeline right now?"
  • "What is your biggest challenge this month?"
  • "Is there anything outside of work that is affecting your performance?"
  • "How do you feel about the coaching and support you are getting?"
  • "What would be most helpful for me to do right now?"

Listen more than you talk. The goal is to understand the root cause, not to deliver feedback. Root causes typically fall into one of four categories.

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The Four Root Causes of Underperformance

1. Skill Gaps

The rep does not know how to do something. They may not know how to run an effective discovery call, handle pricing objections, or navigate a multi-stakeholder deal. Skill gaps are the most coachable root cause.

Intervention: Targeted coaching on the specific skill, supported by call review, role-play, and practice. Set clear milestones and check weekly.

2. Knowledge Gaps

The rep does not know the product, the industry, or the competitive landscape well enough to have credible conversations. This is common in new hires and reps who recently moved to a new product line.

Intervention: Structured learning plan with product training, competitive intelligence, and shadowing of experienced reps. Quiz or certify knowledge at regular intervals.

3. Motivation Issues

The rep has the skill and knowledge but has lost their drive. This could be due to burnout, frustration with the product or company, personal issues, or a mismatch between their goals and their current role.

Intervention: A deeper conversation about their career goals, what motivates them, and whether the current role is the right fit. Sometimes the fix is a new territory, a new challenge, or simply feeling heard by their manager.

4. External Factors

Territory quality, market conditions, product issues, or organizational changes can drag down even a skilled, motivated rep. If multiple reps in the same segment are struggling, the problem is probably not the people.

Intervention: Escalate the issue to leadership. Adjust targets if warranted. Provide the rep with reassurance that the challenge is recognized and being addressed at the organizational level.

Creating an Improvement Plan

If the diagnostic conversation reveals a coachable issue, build a structured improvement plan:

  1. Define the gap clearly. "Your discovery calls consistently miss quantifying the business impact of the prospect's problem. This shows up as deals that stall after the demo because the prospect does not feel urgency."
  2. Set specific targets. "Over the next 30 days, I want every discovery call to include at least one question that quantifies the cost or impact of the problem."
  3. Provide support. "I will review two calls per week with you and we will role-play impact questions in our one-on-ones."
  4. Establish check-ins. "We will review progress weekly. At the 30-day mark, we will assess whether the improvement is tracking."
  5. Define success and consequences. "If we see consistent improvement in call scores and stage conversion by the end of the 30 days, we are on track. If not, we will need to discuss additional interventions."

When to Escalate

Not every underperforming rep can be coached back to full performance. Escalation to HR or a formal performance improvement plan is appropriate when:

  • The rep has received targeted coaching for 60 to 90 days without measurable improvement
  • The root cause is motivation and the rep is unwilling to engage in improvement
  • The rep's underperformance is affecting team morale or culture
  • The rep has been given clear expectations and consequences and has not responded

Escalation is not failure. Sometimes a role is not the right fit for a person, and the kindest thing you can do is acknowledge that clearly and help them transition.

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Key Takeaways

  • Missed quota is a lagging indicator. Watch leading indicators: activity, quality, and behavior.
  • Pipeline creation drop-off is the most reliable early warning sign.
  • Start with a diagnostic conversation, not a performance discussion. Understand before you prescribe.
  • Root causes fall into four categories: skill gaps, knowledge gaps, motivation issues, and external factors. Each requires a different intervention.
  • Improvement plans should have specific targets, support, check-ins, and defined consequences.
  • Escalate when coaching has been given a fair chance (60 to 90 days) without improvement.

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