KPISales

Inbound Lead Response SLA Adherence

Percentage of inbound leads contacted by a sales rep within the defined response time SLA (e.g. within 5 minutes)

What is Inbound Lead Response SLA Adherence?

Inbound lead response service level agreement (SLA) adherence is the percentage of inbound leads that were responded to within the agreed time. It shows how well the team meets its commitment to reply promptly.

Speed of response strongly affects whether a lead converts, so adherence is a direct driver of results.

How this KPI is measured

Function
Sales
Sub-function
Inside Sales
Industry
All Industries
Type
Leading
Impact
Operational
Unit
%
Measurement frequency
Daily / Weekly
Formula
(Inbound leads responded to within SLA / Total inbound leads assigned) × 100

How to calculate it

Divide inbound leads responded to within the SLA by total inbound leads assigned, and multiply by 100.

For example, if 900 of 1,000 leads received a response within the agreed 15 minutes during working hours, adherence is 90%.

Define the SLA clearly, including working hours, and measure from lead creation to first real contact.

Where it is used

  • Improving conversion

    Fast response helps win leads.

  • Managing team performance

    See who meets the standard.

  • Finding routing problems

    Identify leads that wait too long.

How to improve it

Tips and common mistakes

  • An automatic reply is not a response. Count real contact.
  • Make the SLA realistic for the time of day.
  • Link adherence to conversion to prove its value.

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