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Company lists · Data refreshed September 2026

Top 15 Internet marketing agencies based in Orange County, United States

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 37 companies tracked

RevenueBase identified 37 internet marketing agencies headquartered in Orange County, United States as of September 2026 and tracks 75 professional contacts across them, including 27 with verified work emails. New York is the largest hub.

This list covers internet marketing agencies headquartered in Orange County, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 4, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review
37Companies
75Contacts tracked
27Verified emails
Explore all 37 companies → Free signup · no credit card · 500 free credits

The 15 largest internet marketing agencies based in Orange County, United States

Ranked by team size
Top 15 of 37 internet marketing agencies based in Orange County, United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names internet marketing agencies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
MatteredPartial evidence
Orange County, CA, United StatesHQ checked Sep 4, 202611-5013

“Mattered is an award-winning digital marketing agency specializing in email & sms marketing, branding & design, paid media, and development.”

Source: company website · checked Sep 4, 2026
2
Sunday Brunch AgencyPartial evidence
Orange County, CA, United StatesHQ checked Sep 4, 202611-505

“Founded in 2016, Sunday Brunch Agency is proud to be Orange County’s first fully remote, female-owned marketing agency.”

Source: company website · checked Sep 4, 2026
3
Millennial Media GroupIndirect evidence
Orange County, CA, United StatesHQ checked Sep 4, 20261-104

“Millennial Media Group is Orange County's Top Creative Agency.”

Source: company website · checked Sep 4, 2026
4
Excelsior CreativePartial evidence
Orange County, CA, United StatesHQ checked Sep 4, 20261-103

“INSPIRED BY NATURE Service offerings: Website Design & Development Cloud Infrastructure & IT Services Software Development Services Digital Marketing & Brand Identity Changing the…”

Source: company website · checked Sep 4, 2026
5
Seyfmark Award Winning Marketing & Technology CompanyIndirect evidence
Orange County, CA, United StatesHQ checked Sep 4, 20261-103

“At Seyfmark, we are your one stop shop for all of your digital needs.”

Source: company website · checked Sep 4, 2026
6
Studio IslaPartial evidence
Orange County, CA, United StatesHQ checked Sep 4, 20261-103

“Studio Isla is a full-service Southern California digital marketing agency offering social media management, newsletter marketing, copywriting, brand partnerships, and content…”

Source: company website · checked Sep 4, 2026
7
Gold Collar Girl EnterprisesIndirect evidence
Orange County, CA, United StatesHQ checked Sep 4, 20261-102

“Social Media Management - Website Creation and Development - Media Production - Content Creation - Blogging, Writing and Editing”

Source: company website · checked Sep 4, 2026
8
YOU 1st MarketingPartial evidence
Orange County, CA, United StatesHQ checked Sep 4, 202651-2001

“You 1st Marketing in Orange County is a leading marketing agency that prioritizes your business's success above all else.”

Source: company website · checked Sep 4, 2026
9
Elevenx MarketingIndirect evidence
Orange County, CA, United StatesHQ checked Sep 4, 202651-2001

“Locations in Orange County/Los Angeles, Chicago, and Phoenix.”

Source: company website · checked Sep 4, 2026
10
Expand MarketingPartial evidence
Orange County, United StatesHQ checked Sep 4, 202611-501

“Expand Marketing is a marketing agency that helps health, wellness, and lifestyle brands reach their full potential.”

Source: company website · checked Sep 4, 2026
11
WebosisStrong evidence
Orange County, CA, United StatesHQ checked Sep 4, 20261-101

“WEBOSIS is the internet marketing consolidation of entrepreneur, CK Chung.”

Source: company website · checked Sep 4, 2026
12
ReflowIndirect evidence
Orange County, CA, United StatesHQ checked Sep 4, 20261-101

“At Reflow, we specialize in helping local businesses break through the noise and stand out in their markets.”

Source: company website · checked Sep 4, 2026
13
Social Wave CreativeIndirect evidence
Orange County, CA, United StatesHQ checked Sep 4, 20261-101

“Social Wave specializes in the creation and management of social media content and ads for small businesses.”

Source: company website · checked Sep 4, 2026
14
Opus & Co. Marketing LLCPartial evidence
Orange County, CA, United StatesHQ checked Sep 4, 20261-101

“Tired of empty promises and wasted marketing dollars?”

Source: company website · checked Sep 4, 2026
15
AKU Digital MediaIndirect evidence
Orange County, CA, United StatesHQ checked Sep 4, 20261-101

“Primary focus on campaign strategy and management encompassing paid advertising, creative development, conversion rate optimization, brand development, and affiliate partnerships.”

Source: company website · checked Sep 4, 2026

Showing 15 of 37 internet marketing agencies based in Orange County, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 27 reachable decision-makers.

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Internet marketing agencies based in Orange County, United States at a glance

As of Sep 4, 2026
1-10Median size (employees)
New YorkLargest hub · 1618 HQs
Contacts with mobile numbers
Sep 4, 2026Data refreshed

Companies by employee count

1-10
30
11-50
5
51-200
2

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Orange County, over 37 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among internet marketing agencies, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Orange County, United States whose own description of what they do matches “internet marketing agencies”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among internet marketing agencies, and records with no verified work email. Companies headquartered outside Orange County are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 27 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 4, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Internet marketing agencies by metro in the United States

Frequently asked

How many internet marketing agencies are there based in Orange County, United States?

RevenueBase identified 37 internet marketing agencies headquartered in Orange County, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Mattered, headquartered in Orange County, tops this list with the largest team on record.

Which city has the most internet marketing agencies?

New York leads with 1618 headquartered companies, followed by Los Angeles (1192) and Miami (918).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 27 verified decision-maker contacts tracked across these 37 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 4, 2026.

Ready to reach these companies? Verified emails and direct dials for all 37 internet marketing agencies based in Orange County, United States. Start with a free account, no credit card.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.

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