Webinars produce the lowest cost per contact and suit volume and category education. Field events — roundtables, roadshows and dinners — produce the highest cost per contact and the best influence per enterprise deal. Choose by deal size and by what stage you need to move.
The economics diverge sharply
A webinar might reach 400 registrations for a fraction of the cost of a roundtable reaching twelve people. On cost per contact, webinars win by an order of magnitude and it is not close.
On cost per opportunity in enterprise deals, the comparison frequently reverses. Twelve senior people in a room with genuine peer discussion can move a $500,000 deal that 400 webinar registrations never touch. The right metric depends on the deal size you are trying to influence.
What each format is actually moving
| Webinar | Field event | |
|---|---|---|
| Primary effect | Awareness and education at scale | Relationship depth and trust |
| Buying stage | Early to middle | Middle to late |
| Contact volume | High | Very low |
| Cost per contact | Lowest | Highest |
| Cost per enterprise opportunity | Higher | Often lowest |
| Repurposable content | Yes — recording, clips, transcript | Rarely |
| Scales by | Promotion budget | Not really — capacity is the point |
| Best for ACV | Any, especially lower | High |
When webinars are clearly right
When you need volume, when your ACV does not support high cost per contact, when the objective is category education, or when you want content assets as a by-product. A recorded webinar becomes an on-demand asset, a syndication asset, clips for social and a transcript that can be turned into written content.
Webinars are also the correct choice when your buyers are geographically dispersed. A roadshow reaching three cities may cost more than a webinar reaching all of them, with worse coverage.
When field events are clearly right
When deal values are high, when the buying committee is senior, when the market is small enough that the guest list itself is a draw, and when trust rather than information is the binding constraint.
In sectors like manufacturing and healthcare, where relationships carry disproportionate weight and the addressable market is finite, a well-run roundtable frequently outperforms every digital channel available. That is not sentiment — it reflects how those markets actually make decisions.
The hybrid that usually works
Run webinars as the recurring baseline programme — quarterly or monthly, producing volume and content — and field events as targeted plays against specific accounts or regions where a deal needs moving.
Used that way the two are complementary rather than competing. Webinar attendees who show high engagement become invitation candidates for the next roundtable, which gives the field event a warm guest list rather than a cold one. That sequencing is what makes the expensive format efficient.
How to compare them honestly
Do not compare on cost per lead. Compare on cost per opportunity within a defined attribution window, segmented by deal size band. A webinar will win on the smaller bands and a roundtable will often win on the largest, and both facts are useful.
Also record the effect you cannot attribute cleanly. Field events frequently accelerate deals that were already in pipeline rather than originating new ones. Reporting acceleration separately from origination avoids both overstating the format and dismissing it.