Company lists · Data refreshed September 2026

Top 25 Grassroots marketing agencies based in San Diego, United States

RevenueBase identified 99 company matches for grassroots marketing agencies associated with San Diego, United States as of September 2026 and tracks 663 professional contacts across them, including 207 with verified work emails. Across the United States, New York is the largest hub for this category (399 companies); San Diego has 99.

This list covers company matches for grassroots marketing agencies associated with San Diego, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 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 RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
99Companies
663Contacts tracked
207Verified emails
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The 25 largest grassroots marketing agencies based in San Diego, United States

Ranked by team size
Top 25 of 99 company matches for grassroots marketing agencies based in San Diego, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 202651-200159 contacts →

Exact match

“As the nation’s leading agency specializing in event and association marketing, mdg, a Freeman company, delivers results.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 202651-200107 contacts →

Exact match

“We create Marketing People Love that earns attention, builds brands and drives results.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchSan Diego, United StatesHQ recorded Sep 28, 202611-5034 contacts →

Exact match

“GDX Studios is a full-service experiential marketing studio that takes a holistic approach to its services and engages consumers in bold and dynamic ways – creating buzz and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 202611-5032 contacts →

Exact match

“62ΛBOVE brings a strategic approach to marketing challenges, incorporating creative, public relations, social media, influencer marketing and paid media.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 202611-5024 contacts →

Exact match

“Your partner in generating new business, building brand awareness, and creating engaging digital campaigns.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 20261-1013 contacts →

Exact match

“Youthvine is a next-generation lifestyle marketing agency and talent network, connecting brands with the heartbeat of youth culture through skateboarding, select action sports…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 20261-1011 contacts →

Exact match

“Olive is a national boutique public relations and marketing agency based in San Diego on a mission to amplify the stories of the most positively powerful brands and people.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 202611-5011 contacts →

Exact match

“From experience working with both enterprise brands and startups we know that “growth” is a relative term, dependent on the goals and capabilities of the your brand.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 202611-5010 contacts →

Exact match

“Aim is a marketing agency dedicated to creating insanely great brand experiences for our clients.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 202611-508 contacts →

Exact match

“Welcome to the team that lit the TikTok fire in North America.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 20261-107 contacts →

Exact match

“At The Destiny Lab, we don’t just market brands-we amplify missions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 20261-106 contacts →

Exact match

“Working for Results.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 202611-506 contacts →

Exact match

“Gaslamp District Media (GDM) provides clients a marketing platform that is unlike any other.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 2026201-5004 contacts →

Exact match

“CREATIVE, CONNECTED, ALWAYS CURIOUS We are a community of designers, planners, engineers, scientists and storytellers.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 20261-104 contacts →

Exact match

“The Collective provides marketing services to companies in need of entire or partial marketing departments through strategic planning.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 20261-104 contacts →

Exact match

“We are a team from San Diego, California, that was fed up with seeing small to medium-sized businesses being eaten alive in this rough economy.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“For nearly two decades, Nephila has partnered with emerging technology companies to help bring their products to market, drive pipeline, and share in the exciting journey of…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Hearth Agency is a full-service marketing + advertising agency specializing in real estate.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Project Good Work is a boutique marketing group focused on helping individuals and organizations launch social impact projects, charities, and change-making initiatives.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“CTZN a full service marketing agency that supports some of the most innovative, fastest-growing brands in the food & beverage, fashion, wellness & beauty industries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Tower Agency was founded in 2010 to leverage inbound marketing strategies for small business clients.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 202611-502 contacts →

Exact match

“MINT MARKETING is a marketing agency designed around a simple premise: To provide small and medium sized businesses with access to strategic marketing expertise that large…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 20261-102 contacts →

Exact match

“With over 15 years of agency experience in the marketing and advertising industry, JEDDXM brings to the table a proven track record in experiential marketing, strategic event…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 20261-102 contacts →

Exact match

“Munger & Company creates and implements marketing strategies with real business results - primarily new sales leads and revenue growth.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchSan Diego, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“After working for years at large corporations, we realized how smaller businesses are at a disadvantage.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 99 grassroots marketing agencies based in San Diego, United States

See the full list, filter by size, metro and specialty, and access 207 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grassroots marketing agencies based in San Diego, United States at a glance

As of Sep 28, 2026
31.2%Verified-email coverage
6.7Average contacts per company
1-10Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
75
11-50
19
51-200
4
201-500
1

Email recency for this list is measured across the whole United States list rather than for San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 99 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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
Company records associated with San Diego, United States whose business descriptions match “grassroots marketing agencies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 207 professional contacts with verified work emails across the full matched dataset. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Grassroots marketing agencies by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “grassroots marketing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grassroots marketing agencies are there based in San Diego, United States?

RevenueBase identified 99 company matches for grassroots marketing agencies associated with San Diego, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

MDG tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most grassroots marketing agencies?

New York leads the United States with 399 company records, followed by Los Angeles (291) and Miami (144). San Diego has 99.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 207 professional contacts with verified work emails tracked across these 99 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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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.