Company lists · Data refreshed September 2026
Top 25 Sales and marketing outsourcing companies based in San Diego, United States
RevenueBase identified 111 sales and marketing outsourcing companies headquartered in San Diego, United States as of September 2026 and tracks 574 professional contacts across them, including 135 with verified work emails. New York is the largest hub.
This list covers sales and marketing outsourcing 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 sales and marketing outsourcing companies based in San Diego, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 69 contacts → | ||||
Partial 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. | |||||
| 2 | 39 contacts → | ||||
Indirect 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. | |||||
| 3 | 29 contacts → | ||||
Indirect 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. | |||||
| 4 | 21 contacts → | ||||
Strong evidence “Founded in 2004 in Manchester, U.K, Endeavour Global has now become a recognized and well established brand within the sales and marketing world.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 17 contacts → | ||||
Indirect evidence “Apex Brands is a business growth consulting company for advanced-stage & listed enterprises.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 15 contacts → | ||||
Partial evidence “Founded in 2010, Mojenta (formerly Mojo Marketing) has powered the growth of nearly 300 B2B technology companies.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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. | |||||
| 8 | 10 contacts → | ||||
Indirect 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. | |||||
| 9 | 10 contacts → | ||||
Strong 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. | |||||
| 10 | 9 contacts → | ||||
Partial evidence “Atlas Marketing Solutions has fostered robust partnerships with leading enterprises, propelling remarkable customer acquisition and brand awareness.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 7 contacts → | ||||
Strong evidence “Gerson & Associates builds complete marketing and sales engines, implements and enhances CRMs, and trains salespeople in the healthcare, fintech and manufacturing industries.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 7 contacts → | ||||
Partial evidence “Building a solid sales pipeline, and getting your company in front of the right buyers have always been challenging.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 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. | |||||
| 14 | 7 contacts → | ||||
Indirect evidence “Grow Your Business with 100% Performance Based Appointment Setting!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Partial evidence “Most companies don't have a sales problem.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Indirect evidence “Lead generation services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Partial evidence “The Collective provides marketing services to companies in need of entire or partial marketing departments through strategic planning.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Indirect evidence “We Help SMBs & B2B Companies Grow By Using Buying-Intent Data & AI To Increase Meetings Booked With Qualified Prospects By 300%.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 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. | |||||
| 20 | 3 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Partial evidence “Outsource Pros is an independent BPO, CX, and AI provider matchmaking firm that connects mid-market and enterprise companies with vetted global outsourcing partners, at no cost…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Indirect evidence “InboxGenius is a leading provider of outsourced cold email campaign management services, specifically catering to B2B clients.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Partial evidence “In today’s competitive market, your company needs to use all the tools at its disposal to maximize its sales opportunities and keep its pipeline full of new prospects.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Partial evidence “Honeycomb Marketing Network works with major media partners, across the country, to provide SaaS, digital media and digital marketing services designed to acquire new customers…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Strong evidence “Munger & Company creates and implements marketing strategies with real business results - primarily new sales leads and revenue growth.” 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: sales and marketing outsourcing 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 sales and marketing outsourcing companies.
- Partial evidence
- Its own public description names part of sales and marketing outsourcing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name sales and marketing outsourcing 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 111 sales and marketing outsourcing companies based in San Diego, United States
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Sales and marketing outsourcing 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 111 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 sales and marketing outsourcing 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 “sales and marketing outsourcing 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 sales and marketing outsourcing 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 sales and marketing outsourcing 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, 135 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.
Sales and marketing outsourcing companies by metro in the United States
- Sales and marketing outsourcing companies in New York321
- Sales and marketing outsourcing companies in Austin181
- Sales and marketing outsourcing companies in Miami178
- Sales and marketing outsourcing companies in Houston162
- Sales and marketing outsourcing companies in Los Angeles161
- Sales and marketing outsourcing companies in Atlanta145
- Sales and marketing outsourcing companies in San Francisco143
- Sales and marketing outsourcing companies in Chicago142
- Sales and marketing outsourcing companies in Dallas126
- Sales and marketing outsourcing companies in San Diego111
- Sales and marketing outsourcing companies in Sheridan102
- Sales and marketing outsourcing companies in Orlando101
- Sales and marketing outsourcing companies in Denver93
- Sales and marketing outsourcing companies in Las Vegas86
- Sales and marketing outsourcing companies in Charlotte75
- Sales and marketing outsourcing companies in Tampa73
- Sales and marketing outsourcing companies in Phoenix70
- Sales and marketing outsourcing companies in Boston68
- Sales and marketing outsourcing companies in Portland59
- Sales and marketing outsourcing companies in Philadelphia57
- Sales and marketing outsourcing companies in Seattle55
- Sales and marketing outsourcing companies in Wilmington55
- Sales and marketing outsourcing companies in Scottsdale51
- Sales and marketing outsourcing companies in Nashville44
- Sales and marketing outsourcing companies in Fort Lauderdale43
- Sales and marketing outsourcing companies in Salt Lake City43
- Sales and marketing outsourcing companies in Indianapolis42
- Sales and marketing outsourcing companies in Pittsburgh42
- Sales and marketing outsourcing companies in Raleigh39
- Sales and marketing outsourcing companies in Columbus38
- Sales and marketing outsourcing companies in Cincinnati37
- Sales and marketing outsourcing companies in Dover36
- Sales and marketing outsourcing companies in Plano36
- Sales and marketing outsourcing companies in New York City35
- Sales and marketing outsourcing companies in San Jose35
- Sales and marketing outsourcing companies in Jacksonville33
- Sales and marketing outsourcing companies in San Antonio33
- Sales and marketing outsourcing companies in Minneapolis32
- Sales and marketing outsourcing companies in Boca Raton29
- Sales and marketing outsourcing companies in Irvine29
- Sales and marketing outsourcing companies in Cleveland26
- Sales and marketing outsourcing companies in Greenville26
- Sales and marketing outsourcing companies in Kansas City25
- Sales and marketing outsourcing companies in St. Louis25
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 sales and marketing outsourcing 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 sales and marketing outsourcing companies are there based in San Diego, United States?
RevenueBase identified 111 sales and marketing outsourcing 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?
Nextgen Leads, headquartered in San Diego, tops this list with the largest team on record.
Which city has the most sales and marketing outsourcing companies?
New York leads with 321 headquartered companies, followed by Austin (181) and Miami (178).
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 135 verified decision-maker contacts tracked across these 111 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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