Marylou Tyler and Jeremey Donovan's Predictable Prospecting extends the outbound model popularised by Predictable Revenue into the operational detail: how to target, how to size the effort, and how to structure the message.
This is a summary of the arguments a team can act on, not a substitute for reading it.
The core claim
Outbound is a system to be designed, not an activity to be increased. Most teams respond to a pipeline shortfall by raising activity, which is the one lever that reliably produces more of the same result.
The book's alternative: fix targeting first, then the funnel arithmetic, then the message. In that order, because each depends on the one before.
Targeting before everything
Define the ideal account profile from real closed-won and closed-lost data rather than from ambition, and include who to exclude.
The argument, which holds up in practice: a great message to the wrong account fails identically to a bad message to the right one, so a team that has not fixed targeting cannot learn anything from a messaging test.
Tenbound's version of this work is the ICP development workshop, and the persona workshop for the people inside the account.
The funnel arithmetic
The most practically useful part of the book, and the part most often skipped.
Work backwards from the revenue target through each conversion rate to daily activity. That turns "we need more pipeline" into a capacity question with an answer:
- Revenue target, divided by average deal size, gives deals needed.
- Divided by win rate, gives opportunities needed.
- Divided by meeting-to-opportunity rate, gives meetings needed.
- Divided by contact-to-meeting rate, gives contacts needed.
- Divided by working days, gives daily contact volume.
Do that honestly and one of two things becomes obvious: the target is achievable at current capacity, or it is not and something structural has to change. Both are more useful than exhortation.
Each rate in that chain is a real measurement, not an assumption. See conversion rate for how to define them so the chain holds.
Messaging as a variable
The book treats message as testable rather than as craft: one variable at a time, enough volume to conclude anything, and a control.
The discipline most teams lack is the control. Changing subject line, opening, and call to action in the same week and observing a lift teaches nothing about which change caused it.
Where it has dated, and where it has not
Dated: the tooling chapters, inevitably, and the assumption that volume is cheap. Deliverability constraints and carrier spam labelling have made high volume actively counterproductive in ways the book predates. See why nobody answers your calls.
Not dated: the funnel arithmetic, the insistence on targeting first, and the treatment of outbound as a designed system. Those are the durable parts and they map directly onto Market, Motion, and Measurement in the Tenbound Pipeline Architecture Standard.
Related summaries
Fanatical Prospecting for the discipline and mindset side, and The Lean Startup for the testing method underneath the messaging chapter.