Advertising agencies in Fullerton, CA
16 advertising agencies listed in Fullerton, California. 16 with a phone number and 14 with a website.
Fullerton accounts for 1% of the advertising agencies listed in California and ranks #32 among California cities for advertising agencies.
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Quick answer
Fullerton, CA has 16 advertising agencies listed on USA Business Search. 16 list a phone number and 14 list a website. The most listings are in ZIP codes 92835, 92831, 92833.
Updated October 2026Featured · From the team behind USA Business Search
Show up in Google and in AI answers, not on page three.
Eye To Ad Media builds SEO, AI search optimization and custom-coded websites for California businesses. Headquartered in Denver, growing businesses worldwide.
- 5.0 on Google, 60 reviews
- 2012 founded
- Free review, no contract
Need ads that convert? Search Converts runs PPC, paid social and conversion optimization from Denver.See Search Converts
First Penguin Advertising, Inc.
Complete Package
Pacific Bridge
Turn Marketing Services
Profit Dental Marketing
All Media Advertising
Inchworm Digital
Internetzone I, Inc.
Ninety Six Alpha
Patty Metcalf Design
Prestige Marketing Print and Wrap
SEO Counsel
Space Media Nexus
The First Penguin Advertising
Whitefox Marketing Inc
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How to choose an advertising agency in Fullerton
- Ask how they track ads to real calls, forms and sales, not just clicks.
- Make sure your ad accounts are in your name, not the agency's.
- Ask what the management fee is and what the ad spend is, separately.
How Fullerton businesses get found in Google and AI answers
- Claim and complete your Google Business Profile, then keep hours, photos and services current.
- Use the same business name, address and phone everywhere you are listed, including directories like this one.
- Publish pages that answer the questions customers actually ask, so ChatGPT, Gemini, Perplexity and Google AI Overviews can cite you.
- Add LocalBusiness schema, clear pricing and service pages so AI assistants and booking agents can read your details.
Learn more: SEO vs. AI search optimization · Get found on Google Maps and in AI answers · How to pick an SEO company
Common questions
How many advertising agencies are listed in Fullerton, California?
USA Business Search shows 16 advertising agencies in Fullerton. 16 list a phone number and 14 list a website.
Which ZIP codes do these listings cover?
They include ZIP codes 92835, 92831, 92833, 92832.
How do I choose an advertising agency in Fullerton?
Ask how they track ads to real calls, forms and sales, not just clicks. Make sure your ad accounts are in your name, not the agency's.
How do advertising agencies in Fullerton compare with the rest of California?
Fullerton has 1% of the 3,003 advertising agencies listed in California, which ranks #32 among California cities for this category.
How do I add or fix a listing?
Listings are free. Use Add your business, or the Claim or fix link on any listing.
What should I ask a Fullerton marketing agency before I hire them?
Ask who will actually do the work, how they track calls and forms, and what happens to your accounts if you leave. Eye To Ad Media offers a free review of how your business shows up in Google and AI answers.
What is AI search optimization (AIO or GEO)?
It is the work of making your business easy for AI assistants like ChatGPT, Gemini and Google AI Overviews to understand, trust and recommend: consistent listings, structured data, and pages that answer real customer questions. Read SEO vs. AI search optimization.
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