averagecac.com

Benchmark · Ecommerce · Series B · SMB (Under $25k ACV)

Average CAC for Series B SMB Ecommerce Companies

CAC Payback Period · Ecommerce · SMBSourced

9 months

Best-in-class (top quartile): 4 months

Methodology note: This source segments CAC payback by industry × customer size, not by company stage. The same 9-month payback applies across all 5 stages for ecommerce × smb. For more on this site's methodology, see methodology.


Sources

First Page Sage segments CAC payback by industry × customer size only; the same payback applies across all 5 company stages within this segment. For stage-segmented data, see the SaaS Capital benchmark survey (segments by ARR band but is paywalled for cell-level numbers).

How we define this cut

Ecommerce · Series B · SMB

Industry: EcommerceDTC brands, marketplaces commerce, store platforms, post-purchase software.
Stage: Series B$5-$15M ARR, scaling GTM motion, sales-led or PLG flywheel.
ACV: SMB (Under $25k ACV)Small-business buyers, often self-serve, transactional sales motion.