Customer Acquisition Cost per Logo
Fully-loaded sales and marketing spend divided by the number of new customer logos won in the same period.
◆ Currency
Formula
Built from
What it measures
The average all-in cost to land one new customer organization. The numerator is fully-burdened S&M — ad spend, marketing programs, sales rep salaries and commissions, SDR/BDR comp, and tooling — and the denominator counts logos, not seats or dollars. It deliberately excludes expansion revenue and existing-account selling, so it isolates the price of acquisition alone.
Why it matters
CACL is the cost side of your unit economics. Paired with the lifetime value of a customer (CLTV), it tells leadership and finance whether growth is profitable or just expensive. A CACL that is small relative to CLTV means acquisition is repeatable and you can pour fuel on it; a CACL that approaches or exceeds CLTV means every new logo destroys value. Investors lean on it to judge whether your go-to-market scales — efficient acquisition is what separates a fundable growth story from a cash bonfire.
How to read it
Lower is better — cheaper to acquire each logo. But CACL is meaningless in isolation; always read it against CLTV (via the CLTV:CACL ratio) and against payback period. A ratio comfortably above the rule-of-thumb 3× with payback well under a year signals healthy economics; a ratio drifting toward parity signals trouble. Track it cohort-over-cohort: rising CACL usually means campaign inefficiency, longer sales cycles, or a drift toward smaller deals, while falling CACL points to sharper targeting or improving rep productivity. Segment by motion (inbound vs. paid vs. channel) before drawing conclusions — a blended number hides which channel is actually carrying you.
What good looks like
Good
CLTV:CACL comfortably above 3× with CAC payback under roughly a year, and CACL flat or falling as you scale.
Watch
CLTV:CACL drifting into the 2–3× band or payback stretching past a year; sales productivity slipping or deals shrinking.
Bad
CLTV:CACL below 2× or CACL rising faster than first-year ACV — acquisition is destroying value and won't survive scaling.
Watch-outs
- Dividing by seats or users instead of organizations. CACL is per logo; using seat count deflates it and hides true acquisition cost.
- Stuffing the numerator with general opex. HR, G&A, R&D, and product payroll are not S&M — include them and CACL balloons. Count only true sales and marketing salaries, commissions, programs, and tooling.
- Blending free and paid channels. Inbound and community logos cost near zero; mixing them with paid acquisition produces an average that masks which channel actually drives efficient growth. Segment by motion.
- Ignoring activation lag. Counting signed-but-not-live logos in the denominator (or spend in the wrong period) decouples cost from outcome — align both to when the logo goes live.
Worked example
Hypothetical
You spend $500K on sales and marketing in Q2 and close 10 new logos. CACL is $500K ÷ 10 = $50K per logo. With an average first-year ARR per logo of $200K, your land-only CAC is a quarter of year-one revenue — leaving room for a healthy CLTV:CACL ratio once you fold in retention and expansion.