Ending a lead vendor relationship is one of the decisions PI marketing directors avoid the longest. There's history. There's a rep you like. There's a fear that the replacement won't be better. And there's always the hope that next month will be different.
But every month you continue with an underperforming vendor is money that could have gone to a vendor actually delivering results. The question isn't whether to make the call — it's knowing exactly when the data says it's time.
Related guide: See our complete guide to evaluating PI lead vendors — the 7 metrics that define vendor quality and how to build a vendor scorecard.
The Decision Framework
Vendor termination decisions should be driven by three factors: performance level, performance trend, and response to intervention. A vendor who is underperforming but improving with accountability is a different situation from one who is underperforming and declining with no response to intervention.
Factor 1 — Performance Level
Measure cost per signed case from this vendor against your firm's blended average. Use a 90-day rolling window, not a single month snapshot.
- 10–20% above firm average: Yellow flag. Have the accountability conversation. Set a 60-day improvement target.
- 20–40% above firm average:Red flag. Budget reduction is appropriate. Termination is the outcome if improvement doesn't materialize.
- 40%+ above firm average: Termination is likely the right decision unless there are compelling extenuating circumstances (new geographic market, unusual case type mix, etc.).
Factor 2 — Performance Trend
Direction matters as much as level. A vendor at 25% above your average but improving month-over-month is on a different trajectory than one at 25% above and declining. Look at 6 months of data and draw the trend line. Ask:
- Is cost per case moving up or down over the past 3 months?
- Is conversion rate improving or declining?
- Is rejection rate going up or down?
A vendor improving across all three metrics deserves more time. A vendor declining across all three has a structural problem, not a temporary one.
Factor 3 — Response to Intervention
This is the factor that most often determines the timing of the termination decision. Once you've had the accountability conversation and set a defined improvement timeline, the vendor's response tells you everything you need to know.
- Vendor engages, provides an explanation, makes changes, and performance improves: Continue the relationship. Monitor monthly.
- Vendor engages, makes promises, but performance doesn't improve within the defined window:The vendor cannot or will not deliver at your required performance level. It's time to exit.
- Vendor dismisses your data, disputes your metrics without providing independent verification, or fails to engage:Exit immediately. A vendor unwilling to have an accountability conversation based on data is not a viable long-term partner.
| Factor | Yellow (Intervene) | Red (Exit) | |
|---|---|---|---|
| Performance Level | 10–20% above firm avg CPC | 40%+ above firm average CPC | |
| Performance Trend | Declining but responded to intervention | Declining across all metrics, no response | |
| Response to Intervention | Engaged, made changes, improving | Dismissed data, disputed metrics, no action |
The Four Clear Signals It's Time to Fire a Vendor
If you're unsure whether the data is telling you to exit, these are the definitive signals:
Signal 1: Cost Per Case Is 40%+ Above Your Firm Average for 90+ Days
At this level, you're paying $1.40 or more for every $1.00 of signed case that another vendor could produce. The budget misallocation is material and ongoing. Unless there's a very specific strategic reason to maintain the relationship (exclusive access to a case type, a market you can't reach otherwise), the economics don't justify continued spend.
Signal 2: Rejection Rate Above 35% for Two Consecutive Months
A 35% rejection rate means more than one in three leads is being rejected at intake. That's a sourcing problem — the vendor is not filtering their traffic against your defined criteria. At this level, your intake team is spending a disproportionate amount of time on leads that have no chance of converting. That cost is real even if it's not visible on an invoice.
Signal 3: Performance Has Not Improved After a Defined Accountability Cycle
You had the conversation. You defined the improvement target. You gave 60 days. The vendor didn't hit the target. This is the clearest signal of all: the vendor either cannot improve or doesn't prioritize improving for your account. Either way, the decision is clear.
Signal 4: A Competing Vendor in the Same Channel Is Materially Outperforming
If you have two vendors sending similar case types from similar channels, and one consistently delivers cost per case 30–40% lower than the other, the math is simple. Every dollar you leave with the underperforming vendor is a dollar that could be scaling the performer.
How to Have the Exit Conversation
Don't ghost a vendor and don't make the exit personal. A clean, professional termination preserves the relationship for potential future re-engagement and maintains your reputation in the vendor community.
The exit conversation script:
“[Vendor name], I wanted to connect directly to let you know we're going to be ending our current contract at the conclusion of the [notice period]. We've been tracking our cost per signed case by vendor for the past 90 days, and your leads are running at $[X] against our firm average of $[Y]. After our conversation in [month] and the adjustment period since then, we haven't seen the improvement we needed. This is a budget allocation decision based on performance data. If your model evolves and you believe you can hit our target metrics in the future, we're open to revisiting.”
This is direct, data-grounded, and leaves a door open without being ambiguous about the decision.
What to Do With the Recovered Budget
Vendor termination creates budget to redeploy. Before you exit, have a clear plan for where that spend is going. Options include:
- Increasing budget with your top-performing existing vendor
- Testing a new vendor at a defined pilot allocation
- Moving the budget to a channel (e.g., Google LSAs) you've been underfunding relative to its performance
The exit is not the end of the process — it's a reallocation event. Having the next step defined before you make the call makes the transition clean.
The Discipline That Makes This Decision Easier
Firms that track cost per case by vendor monthly don't experience vendor terminations as crises. They experience them as logical outcomes of a system that was always going to surface underperformance and require a response.
When the decision is data-driven and the standard was communicated to the vendor in advance, firing a vendor doesn't require courage — it requires following the process you already have in place. That's the operational difference between firms with a vendor accountability system and those without one.
RevenueScale tracks the data that makes vendor decisions clear: cost per case, conversion rate, and rejection rate by vendor — updated in real time. See how the vendor performance dashboard gives PI firms the data they need to manage their lead portfolio.