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Acquisition channels: what they are and the main ones

By Tiago CostaUpdated on July 2, 2026

Illustration of a site in the center receiving arrows from search, social, email, ads and referral, representing acquisition channels.
Definition

The main customer acquisition channels are:

  • Organic search (SEO and content);
  • Paid media (search and social ads);
  • Social networks (organic and community);
  • Email marketing (owned list);
  • Referral and word of mouth;
  • Direct traffic (brand).

What acquisition channels are

Acquisition channels are the paths through which a person discovers your company and reaches your site, product or store. Instead of a single entry point, there is a set of sources, and each visit, lead or sale can be attributed to the channel that originated it.

Think of them as the doors into the business. Someone can arrive through a Google search, an ad, a social post, an email or a friend's recommendation. Mapping these doors is the first step to understanding where your best customers come from.

An important part of this traffic usually comes from organic traffic, that is, visits earned in the unpaid search results, which tend to be cheaper and more sustainable in the long run.

What are the main acquisition channels

Although each market has its particularities, a few channels show up in almost every strategy. The main ones are:

ChannelHow it worksTrait
Organic searchSEO and content that rank on GoogleLow cost per visit, gradual result
Paid mediaSearch, social and display adsFast, but stops when spending stops
Social networksOrganic content and communityReach and brand relationship
EmailCommunication with your own listHigh return, depends on a list
ReferralWord of mouth and referral programsHigh trust, hard to scale
DirectThose who type the URL or know the brandReflects brand strength

The weight of search tends to surprise. According to the channel study by BrightEdge, organic search accounts for around 53% of all website traffic, against roughly 15% from paid search. In other words, appearing well in the unpaid results is, for most businesses, the largest acquisition channel available.

Infographic of acquisition channels divided into owned, paid and earned, feeding a customer funnel.
The main acquisition channels organized into owned, paid and earned media.

Owned, paid and earned channels

A useful way to organize channels is to group them into three categories, known as owned, paid and earned media:

  • Owned: assets you control, such as your site, blog and email list. This is where content marketing builds an audience in a lasting way.
  • Paid: spaces you rent, such as search, social and display ads. They bring immediate results via paid traffic, but charge for every click or impression.
  • Earned: the attention you gain without paying directly, such as press mentions, referrals and shares.

Inbound marketing strategies tend to lean on owned and earned channels, while outbound marketing actions usually use paid channels to accelerate reach.

The 19 customer acquisition channels

A widely cited reference on acquisition is the book Traction, by Gabriel Weinberg and Justin Mares, which describes nineteen possible channels for a company to grow. The list works as a menu so you do not get stuck on one or two obvious options.

The nineteen channels are: viral marketing, public relations (PR), unconventional PR, search engine marketing (SEM), social and display ads, offline ads, search engine optimization (SEO), content marketing, email marketing, engineering as marketing (free tools), targeting blogs, business development, sales, affiliate programs, existing platforms, trade shows, offline events, speaking engagements and community building.

The core idea of the book is the so-called bullseye test: trying several channels on a small scale, measuring, and concentrating effort on the few that really gain traction for your business, instead of trying them all at once.

How to choose the best channels for your business

There is no universally best channel, there is the right channel for your audience and your moment. To choose with criteria:

  • Start with the persona: understand where your persona spends time and how they usually look for a solution to the problem you solve.
  • Consider the funnel: some channels attract those still discovering the topic, others capture those ready to buy. Mapping this on the sales funnel avoids investing in the wrong channel for each stage.
  • Calculate the cost: compare the customer acquisition cost of each channel with the value that customer generates over time.
  • Balance short and long term: combine a fast result channel, such as paid media, with a building one, such as SEO, which matures but lowers cost over time.

The ideal is to have two or three strong, predictable channels rather than depending on a single one. That way, if one of them wavers, the business is not left without acquisition.

Illustration comparing a fast paid acquisition channel with a lasting organic channel, to choose the best balance.

How to measure and optimize acquisition channels

A channel only becomes a strategy when it is measured. Without data, it is impossible to know where to invest more and where to cut. A few practical points:

  • Tag the source: use UTM parameters on links to identify which channel each visit came from.
  • Track the funnel by channel: do not look only at visits, but at how many become a lead and a customer in each source.
  • Improve conversion: working on CRO makes the same traffic volume yield more, increasing the return of all channels at once.
  • Review attribution: remember that the customer usually passes through several channels before buying, so avoid giving all the credit to the last click.

With continuous measurement, channels stop being a guess and become a system: you know how much comes in, at what cost, and where to adjust to grow.

FAQ

Frequently asked questions

What are acquisition channels?

Acquisition channels are the sources through which your audience reaches your company, such as organic search, paid ads, social networks, email, referrals and direct traffic. Each channel attracts visitors and customers at a different cost and pace.

What are the main customer acquisition channels?

The most common are organic search (SEO), paid media, social networks, email marketing, referral programs and direct traffic. For most sites, organic search is the channel that brings the largest volume of traffic.

What are the 19 customer acquisition channels?

The list comes from the book Traction and includes viral marketing, public relations, unconventional PR, SEM, social ads, offline ads, SEO, content marketing, email, engineering as marketing, targeting blogs, business development, sales, affiliates, existing platforms, trade shows, offline events, speaking engagements and community building.

What is the difference between an organic and a paid channel?

An organic channel brings visits with no cost per click, earned with SEO, content and social presence, and tends to mature over time. A paid channel delivers immediate results through ads, but the flow stops as soon as the investment is interrupted.

What are the most profitable niches?

The historically most profitable niches revolve around health and wellness, money and finance, relationships and personal development. Even so, profitability depends less on the niche itself and more on choosing the right acquisition channels for it.

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Related concepts

Organic trafficOrganic traffic is the set of visits that reach your website through the unpaid results of search engines like Google. Unlike paid traffic, it has no cost per click: it is earned with SEO and good content, which makes it a more predictable and sustainable source of visitors over time.Paid trafficPaid traffic is the set of visits that reach your site, blog or profile through paid ads, such as those on Google Ads, Meta Ads (Facebook and Instagram), LinkedIn, TikTok or YouTube. Unlike organic traffic, which is earned with SEO over time, paid traffic is bought: you set a budget, choose the audience and pay for each click or per thousand ad views.Inbound marketingInbound marketing is a strategy that attracts customers by offering useful, relevant content instead of interrupting people with advertising. Rather than chasing the customer, the brand creates material (articles, videos, ebooks) that answers the audience's questions and leads them to reach the company on their own. The focus is on earning attention with value, nurturing the relationship and turning visitors into customers over time.Customer acquisition costCAC stands for Customer Acquisition Cost, the metric that shows how much a company invests, on average, to win each new customer. It adds up all marketing and sales spending in a period and divides it by the number of customers acquired in that same period. It is a central efficiency indicator: the lower the CAC compared to the value the customer generates, the healthier the business growth.