Acquisition Channel

TL;DR

A repeatable source of new users or customers, such as paid search, content SEO, partnerships, outbound sales, or virality.

An acquisition channel is any reproducible way a company brings new users in. Each channel has its own economics (CAC, payback, scalability), its own audience, and its own sensitivities. Most successful startups eventually depend on one or two dominant channels rather than a portfolio of weak ones.

Gabriel Weinberg's 'Bullseye Framework' suggests testing a wide set of channels cheaply, then doubling down on the one that produces the best CAC and reach. Channel saturation, platform risk, and competitive bidding are the three ways a working channel goes wrong.

Worked example

A bottoms-up SaaS records 4 channels for May: paid Google ($18k spend, 320 sign-ups, $56 CAC), SEO content (0 spend, 410 sign-ups, $0 CAC), partner referrals (110 sign-ups, $35 CAC after rev-share), and outbound SDR ($22k spend, 75 sign-ups, $293 CAC). SEO and partners get the next quarter's investment.

Common pitfalls

• Spreading effort across too many weak channels.
• Building the company on a single platform-dependent channel (e.g. one ad network).
• Failing to track CAC and payback per channel.

When this shows up in a pitch deck

The GTM slide names the dominant channel, the CAC associated with it, and the path to scale or diversify.

Related terms

• CAC — Customer Acquisition Cost — the total sales and marketing spend required to acquire one new paying customer over a given period.
• CAC Payback Period — The number of months required for the gross profit from a customer to repay the cost of acquiring them.
• LTV:CAC Ratio — The ratio of customer lifetime value to customer acquisition cost — a headline measure of unit economics health.
• Conversion Rate — The percentage of users who complete a desired action — sign-up, purchase, upgrade — out of those who had the chance to.
• Viral Coefficient — The average number of new users each existing user invites who themselves convert into active users.

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