Company lists · Data refreshed September 2026
Top 25 Marketing lead generation companies based in San Diego, United States
RevenueBase identified 99 marketing lead generation companies headquartered in San Diego, United States as of September 2026 and tracks 784 professional contacts across them, including 178 with verified work emails. New York is the largest hub.
This list covers marketing lead generation companies headquartered in San Diego, 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest marketing lead generation companies based in San Diego, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 99 contacts → | ||||
Partial evidence “We are the premier real estate, insurance, mortgage, legal and solar marketing agency in the United States.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 69 contacts → | ||||
Strong evidence “ABOUT NEXTGEN LEADS Based in San Diego, California, NextGen Leads is a unique collaborative effort between online marketing experts, technology pros and insurance industry…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 42 contacts → | ||||
Strong evidence “InsideUp is a performance-driven demand generation agency with over 14 years of experience in B2B marketing.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 39 contacts → | ||||
Strong evidence “A Creative Lead Generation Company Allied Digital Media helps businesses become more efficient by delivering warmed-up and qualified leads directly to them.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 30 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 29 contacts → | ||||
Strong evidence “Welcome to Connect Outbound, your trusted partner in outbound lead generation and talent acquisition solutions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 27 contacts → | ||||
Partial evidence “At ETN, we dedicate ourselves to matching prospects with relevant businesses via real-time leads and call transfers.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 25 contacts → | ||||
Partial evidence “At VSSL (pronounced, “Vessel”), we don’t aimlessly drift the seas of modern marketing and advertising.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 24 contacts → | ||||
Partial evidence “Your partner in generating new business, building brand awareness, and creating engaging digital campaigns.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 15 contacts → | ||||
Strong evidence “RevRise Media is a tech-enabled marketing company that specializes in helping insurance brands acquire high-intent leads at scale.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 12 contacts → | ||||
Partial evidence “Hot LEADS for your business at your breakfast, lunch, and dinner time: 1st step.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 contacts → | ||||
Partial evidence “PhonetiCall (pho·neti·call) is a marketing organization helping businesses develop and execute contact solution strategies.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 10 contacts → | ||||
Partial evidence “SweepLift helps B2B companies launch smart incentivized lead campaigns that generate qualified meetings, improve engagement, and accelerate pipeline growth.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 10 contacts → | ||||
Partial evidence “KEXY is an AI-powered, done-for-you sales and marketing growth partner built for companies that want more pipeline, stronger brand authority, and faster revenue growth without…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 7 contacts → | ||||
Strong evidence “Our team has the resources, skills, training and infrastructure to manage all your digital marketing needs, including funnel strategy, design, implementation, lead generation…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 7 contacts → | ||||
Partial evidence “Rightlook Creative specializes in making the complex marketing process easy with affordable and all-inclusive ROI focused marketing services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Strong evidence “Lead generation services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Partial evidence “We increase sales for companies in the manufacturing industry using advanced demand generation techniques and database growth and management.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Indirect evidence “Would you rather.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Partial evidence “Counterflow is a full service San Diego based marketing firm with a primary focus on leveraging their client's core competencies to identify and create additional revenue streams…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Strong evidence “A lead aggregator and provider of nationwide new business information databases and marketing services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Strong evidence “Discover the proven digital marketing approach that generates more leads and opportunities to grow your business?” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Strong evidence “Pixsan is a data and results driven digital marketing solutions company specializing in helping businesses and companies drive more traffic, leads, and conversions to their…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Strong evidence “We provide expert digital marketing and website design/development, lead generation, managed advertisement solutions, and branding, for businesses.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Partial evidence “A hyper-focused digital marketing agency aiming to improve businesses processes in reaching and converting potential clients.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: marketing lead generation companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names marketing lead generation companies.
- Partial evidence
- Its own public description names part of marketing lead generation companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name marketing lead generation companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 99 marketing lead generation companies based in San Diego, United States
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Marketing lead generation companies based in San Diego, United States at a glance
As of Sep 21, 2026Companies by employee count
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
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among marketing lead generation companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in San Diego, United States whose own description of what they do matches “marketing lead generation companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names marketing lead generation companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among marketing lead generation companies, and records with no verified work email. Companies headquartered outside San Diego 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 its RevenueBase Smart Search 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, 178 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 21, 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.
Marketing lead generation companies by metro in the United States
- Marketing lead generation companies in New York239
- Marketing lead generation companies in Los Angeles146
- Marketing lead generation companies in Miami142
- Marketing lead generation companies in Sheridan102
- Marketing lead generation companies in San Diego99
- Marketing lead generation companies in Austin97
- Marketing lead generation companies in San Francisco97
- Marketing lead generation companies in Houston96
- Marketing lead generation companies in Dallas90
- Marketing lead generation companies in Chicago84
- Marketing lead generation companies in Las Vegas84
- Marketing lead generation companies in Atlanta77
- Marketing lead generation companies in Denver66
- Marketing lead generation companies in Phoenix61
- Marketing lead generation companies in Orlando58
- Marketing lead generation companies in Tampa58
- Marketing lead generation companies in Boston50
- Marketing lead generation companies in Scottsdale49
- Marketing lead generation companies in Wilmington47
- Marketing lead generation companies in Philadelphia40
- Marketing lead generation companies in Boca Raton38
- Marketing lead generation companies in Charlotte37
- Marketing lead generation companies in Portland36
- Marketing lead generation companies in Salt Lake City35
- Marketing lead generation companies in Fort Lauderdale34
- Marketing lead generation companies in Irvine31
- Marketing lead generation companies in Dover30
- Marketing lead generation companies in San Antonio29
- Marketing lead generation companies in San Jose29
- Marketing lead generation companies in Seattle29
- Marketing lead generation companies in Pittsburgh28
- Marketing lead generation companies in Raleigh25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names marketing lead generation companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many marketing lead generation companies are there based in San Diego, United States?
RevenueBase identified 99 marketing lead generation companies headquartered in San Diego, 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?
220 Marketing Group, headquartered in San Diego, tops this list with the largest team on record.
Which city has the most marketing lead generation companies?
New York leads with 239 headquartered companies, followed by Los Angeles (146) and Miami (142).
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 178 verified decision-maker contacts tracked across these 99 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 21, 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 Smart Search, 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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