Brandwave

Foundation Marketing vs Siege Media:Which is more popular?

In September 2026, Siege Media had more branded searches than Foundation Marketing among B2B content marketing agencies worldwide. Siege Media had about 1,900 branded searches, while Foundation Marketing had 590. Siege Media made up 22.9% of all B2B content marketing agency searches we track, and Foundation Marketing accounted for 7.1%. When we asked ChatGPT and Google AI Overviews about B2B content marketing agencies, Siege Media appeared in two of the five answers and Foundation Marketing in one.

Among B2B content marketing agencies worldwide in September 2026

Who do people search for more?

Siege Media, about 3 searches for every 1 for Foundation Marketing

Siege Media 1.9K searchesFoundation Marketing 590 searches

Who does AI mention more?

Siege Media, mentioned in 2 of 5 answers, Foundation Marketing in 1

Siege Media in 2 of 5Foundation Marketing in 1 of 5

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Top B2B content marketing agencies in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Siege Media was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Foundation Marketing was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Omniscient Digital1st
  2. Animalz2nd
  3. Grow and Convert3rd
  4. Powered by Search4th
  5. Campfire Labs5th
  6. Siege Media6th
  7. Foundation Marketing7th

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Animalz3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Omniscient Digital3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Grow and Convert3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Siege Media2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Powered by Search2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Campfire Labs2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Foundation Marketing1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about B2B content marketing agencies

5 answers

Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.

Is Foundation Marketing or Siege Media more popular in search?

This chart shows how often people search Google for Foundation Marketing and Siege Media by name. Each line represents a brand's share of searches for all seven B2B content marketing agencies we track, month by month, from English-language searches worldwide.

Foundation Marketing and Siege Media among B2B content marketing agencies worldwide, by month

Share of searches by month for Siege Media, Foundation Marketing. The figures are in the table below the chart.

View monthly share of searches table
MonthAnimalzSiege MediaOmniscient DigitalFoundation MarketingPowered by SearchGrow and ConvertCampfire Labs
Oct 202532.9%24.6%19.5%4.9%4.9%9.9%3.3%
Nov 202535.8%22.7%15.5%4.7%4.7%12.8%3.8%
Dec 202536.7%23.1%12.2%15.8%4.7%5.4%2.1%
Jan 202641.2%26.5%11%6.5%5.3%7.1%2.3%
Feb 202634.9%33.2%11.4%5.5%6.8%6.3%1.9%
Mar 202639.3%25.3%13.7%6.2%7.6%6%1.8%
Apr 202639.2%25.4%13.8%9.3%5.1%5.8%1.5%
May 202631.5%37.5%10.4%7.5%5%5.9%2.2%
Jun 202640.6%26.4%14.3%6.5%4.3%6.1%1.9%
Jul 202635.1%28.4%15.4%7%5.7%6.7%1.7%
Aug 202640.1%25.6%13.5%6.5%5.3%6.2%2.8%
Sep 202644.3%22.9%12%7.1%7.1%5.5%1.1%

How has the Foundation Marketing and Siege Media comparison changed over the last 12 months?

3 findings

How did search popularity change for B2B content marketing agencies worldwide in September 2026?

2 changes
  1. In September 2026, Foundation Marketing gained share of searches among B2B content marketing agencies worldwide, from 6.5% to 7.1%.

  2. In September 2026, Siege Media lost share of searches among B2B content marketing agencies worldwide, from 25.6% to 22.9%.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using Foundation Marketing’s and Siege Media’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Foundation Marketing

1 branded search term

  • foundation marketing

Siege Media

2 branded search terms

  • siege media
  • siegemedia

How the Brand Demand Index is measured

Other head-to-heads among B2B content marketing agencies

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