Company lists · Data refreshed September 2026

Top 25 Cybersecurity SEO agencies based in San Diego, United States

Name: Cybersecurity SEO agencies based in San Diego, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 150 companies tracked

RevenueBase identified 150 company matches for cybersecurity SEO agencies associated with San Diego, United States as of September 2026 and tracks 5,042 professional contacts across them, including 274 with verified work emails. Across the United States, New York is the largest hub for this category (466 companies); San Diego has 150.

This list covers company matches for cybersecurity SEO 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 29, 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 29, 2026 How this list was built

150Companies

5,042Contacts tracked

274Verified emails

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The 25 largest cybersecurity SEO agencies based in San Diego, United States

Ranked by team size

Top 25 of 150 company matches for cybersecurity SEO agencies based in San Diego, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Internet Marketing Inc. NOW REQ	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	51-200	203 contacts →
	Exact match “IMI (now REQ) is a full-service digital marketing agency focused on omnichannel strategies and results.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	220 Marketing Group	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	51-200	99 contacts →
	Exact match “We are the premier real estate, insurance, mortgage, legal and solar marketing agency in the United States.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Einstein Industries	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	51-200	95 contacts →
	Exact match “Einstein Industries, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Lawrank	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	51-200	75 contacts →
	Exact match “LawRank™ was founded with one goal in mind – to get attorneys on Google’s first page.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Rosemont Media, LLC	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	11-50	39 contacts →
	Exact match “Rosemont Media, LLC is a modern ad agency with a special concentration in the elective healthcare community.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Titan Growth	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	11-50	31 contacts →
	Exact match “Titan Growth is an internet marketing company based out of San Diego, offering advanced search engine optimization and pay per click solutions to clients globally.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Upgrow	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	11-50	30 contacts →
	Exact match “We are an ROI-driven digital marketing agency, focused on results to help brands reimagine how they reach, message and engage through a data-based approach and with…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Radd Interactive	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	51-200	26 contacts →
	Exact match “Our clients include small and medium size business in a variety of focus areas.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Ilawyermarketing	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	51-200	25 contacts →
	Exact match “iLawyer Marketing is a California based law firm marketing company that works exclusively with law firms all across the United States.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Rankpay	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	11-50	22 contacts →
	Exact match “Who We Are** Since 2007, RankPay has been a beacon of innovation in the digital marketing arena, empowering thousands of businesses from various sectors to scale and thrive online.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Explore Digital Marketing	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	11-50	20 contacts →
	Exact match “Helping you grow your business is our passion.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	OBU Interactive	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	11-50	20 contacts →
	Exact match “Obu Interactive is an award-winning, independently owned Digital Marketing agency in San Diego.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	The Coast Creative	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	11-50	16 contacts →
	Exact match “Coast Creative is a San Diego digital marketing agency with operations in California and North Carolina.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	POP Locate	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	11-50	15 contacts →
	Exact match “We are a team of dedicated, young professionals that share a passion for digital marketing, software, and helping small businesses across the country reach more customers in their…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Blue Media Marketing, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	11-50	13 contacts →
	Exact match “Blue media specializes in SEO, content, and paid search for small business owners, medium sized businesses and enterprise-level companies.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Saba INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	201-500	9 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Agency Engine	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	11-50	9 contacts →
	Exact match “The Agency Engine is a San Diego based SEO agency with a focus on driving measurable business growth.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Second Nature	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	1-10	7 contacts →
	Exact match “Organic SEO Rankings & tracking your ROI for Paid Online Advertisement can be complicated.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Justin PHU Media	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	1-10	6 contacts →
	Exact match “After 10 successful years in Corporate America managing millions of dollars of strategies put forth towards successful Digital Marketing efforts, Justin Phu created an agency that…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	High Rank Websites, INC	Exact match	San Diego, United StatesHQ recorded Sep 29, 2026	11-50	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Click Track Marketing	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	1-10	5 contacts →
	Exact match “Click Track Marketings helps businesses generate more leads & sales by showing up more often on online search results when consumers are searching for similar products and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Social Doctor, LLC	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	11-50	5 contacts →
	Exact match “We help healthcare brands differentiate themselves through design, search and social media.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Brighthaus	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	11-50	5 contacts →
	Exact match “BrightHaus is your one-stop Internet Marketing solution.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Webtoniq	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	1-10	4 contacts →
	Exact match “We are an award-winning web development & digital marketing agency that specializes in web development & digital marketing solutions for small businesses.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Mission BAY Media	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	1-10	4 contacts →
	Exact match “No matter the aim of your business, having an effective web presence is just as impactful as a strong handshake.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “cybersecurity SEO agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 150 cybersecurity SEO agencies based in San Diego, United States

See the full list, filter by size, metro and specialty, and access 274 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity SEO agencies based in San Diego, United States at a glance

As of Sep 29, 2026

5.4%Verified-email coverage

33.6Average contacts per company

1-10Median size (employees)

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

106

11-50

51-200

201-500

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 150 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 “cybersecurity SEO 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 274 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 29, 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.

Cybersecurity SEO 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 “cybersecurity SEO agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity SEO agencies are there based in San Diego, United States?

RevenueBase identified 150 company matches for cybersecurity SEO 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?

Internet Marketing Inc. NOW REQ 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 cybersecurity SEO agencies?

New York leads the United States with 466 company records, followed by Los Angeles (278) and Miami (231). San Diego has 150.

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 274 professional contacts with verified work emails tracked across these 150 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 29, 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.