One named senior craftsperson, or a pool of junior reps on a templated script. The right answer depends on whether your motion is high-velocity transactional, or complex committee-driven. Both can work, neither suits both cases.
Talk through which model fits| Dimension | Fractional BDR (us) | Agency SDR |
|---|---|---|
| Seniority | Named senior operator, 20+ years | Pooled junior reps, 0 to 2 years |
| Vertical specialization | Deep, named verticals | Broad, templated across clients |
| Ramp time | Productive in week one | Productive after sequence tuning |
| Calling style | Warm, research-led dialing | High-volume script-led sequences |
| Signal capture | Captured on every call, routed to AE | Activity metrics, signal often lost |
| Fractional model | Senior, part-time, same model as Fractional CRO or CFO | Outsourced capacity, pooled |
| Cost structure | Month-to-month, all-in | Per-seat, often 6 to 12 month minimums |
| Conversation quality | Peer-level VP and C-suite | Coordinator and director gating |
| No-show framing | Re-engaged with new signal | Re-cadenced from sequence library |
On paper sometimes, on outcome rarely. Agencies price per pooled seat and you often need two or three seats to approach the output of one senior operator on a complex motion. The qualified meeting rate is the number that matters, not the dial count.
Pooled junior reps run a script the agency wrote, and the agency's incentive is to keep the retainer rather than qualify out bad-fit accounts. Pipeline looks busy on the dashboard, AEs report it does not progress. The senior fractional model is structured to avoid this.
Yes, for high-velocity transactional motions with a mature ICP and a short cycle, pooled reps on a tight script can produce volume that converts. For $50K+ ACV with a committee, the model breaks.
Honestly. We dial 40 to 80 warm research-led attempts per day per BDR, lower than agency volume by design. The conversation we have when we connect is the differentiator, not the number of attempts.
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