Company lists · Data refreshed September 2026
Top 25 B2B sales development agencies based in San Diego, United States
RevenueBase identified 90 B2B sales development agencies headquartered in San Diego, United States as of September 2026 and tracks 674 professional contacts across them, including 96 with verified work emails. Across the United States, New York is the largest hub for this category (333 companies); San Diego has 90.
This list covers B2B sales development agencies 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 27, 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 B2B sales development agencies based in San Diego, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 245 contacts → | ||||
Partial evidence “Alltake is the go-to marketing agency for B2B SaaS brands striving with their GTM activities.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 80 contacts → | ||||
Indirect evidence “Your next customer is asking AI about you right now.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 46 contacts → | ||||
Partial evidence “The B2B Agency providing web design, content marketing, and branding for B2B companies.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 42 contacts → | ||||
Partial evidence “InsideUp is a performance-driven demand generation agency with over 14 years of experience in B2B marketing.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 25 contacts → | ||||
Indirect evidence “At VSSL (pronounced, “Vessel”), we don’t aimlessly drift the seas of modern marketing and advertising.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 7 contacts → | ||||
Partial 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 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 7 contacts → | ||||
Indirect evidence “Grow Your Business with 100% Performance Based Appointment Setting!” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 6 contacts → | ||||
Partial evidence “Most companies don't have a sales problem.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 5 contacts → | ||||
Indirect evidence “The Good Job Company is a brokerage firm that pairs suppliers (staffing companies) with businesses in need of professional, skilled, semi-skilled, and entry-level employees.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 4 contacts → | ||||
Indirect evidence “Lead generation services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 4 contacts → | ||||
Partial 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 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 contacts → | ||||
Indirect 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 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 3 contacts → | ||||
Partial evidence “InboxGenius is a leading provider of outsourced cold email campaign management services, specifically catering to B2B clients.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 contacts → | ||||
Indirect evidence “LTO (Lead to Opportunity) helps salespeople attend trade shows and conferences fully equipped to generate new business.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 contacts → | ||||
Indirect evidence “More than ever businesses of all sizes need to find unique ways to break through the clutter.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2 contacts → | ||||
Partial evidence “OpGen Media, a Reel Axis Company is a marketing operations and demand generation partner for leading B2B software and services companies ranging from SMBs to enterprises.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Partial evidence “Munger & Company creates and implements marketing strategies with real business results - primarily new sales leads and revenue growth.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 contacts → | ||||
Strong evidence “Building a brighter future for People + Planet Making Things Happen (Entrepreneurship) Making Things (Manufacturing) Sales + Marketing Building Brands B2B B2C D2C Ecommerce” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Strong evidence “gb|sterling helps businesses optimize all aspects of their B2B sales funnel by focusing on P2P - person-to-person - communications with prospects.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Indirect evidence “Welcome to Digital Dynamics - Your Lead Generation Powerhouse for Blue-Collar Businesses Hey Champions of the Trade World!” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Partial evidence “We are a San Diego-based digital marketing agency that helps B2B companies attract more high-quality leads.” Source: RevenueBase Database · checked Sep 27, 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: B2B sales development agencies. 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 B2B sales development agencies.
- Partial evidence
- Its own public description names part of B2B sales development agencies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name B2B sales development agencies. 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 90 B2B sales development agencies based in San Diego, United States
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B2B sales development agencies based in San Diego, United States at a glance
As of Sep 27, 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 90 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 B2B sales development agencies, 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 “B2B sales development agencies”. 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 B2B sales development agencies), 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 B2B sales development agencies, 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, 96 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 27, 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.
B2B sales development agencies by metro in the United States
- B2B sales development agencies in New York333
- B2B sales development agencies in Austin154
- B2B sales development agencies in San Francisco154
- B2B sales development agencies in Chicago141
- B2B sales development agencies in Miami138
- B2B sales development agencies in Los Angeles137
- B2B sales development agencies in Atlanta124
- B2B sales development agencies in Dallas106
- B2B sales development agencies in Houston104
- B2B sales development agencies in Sheridan89
- B2B sales development agencies in Denver86
- B2B sales development agencies in Boston72
- B2B sales development agencies in Orlando59
- B2B sales development agencies in Phoenix58
- B2B sales development agencies in Charlotte55
- B2B sales development agencies in Seattle54
- B2B sales development agencies in Minneapolis53
- B2B sales development agencies in Las Vegas51
- B2B sales development agencies in Philadelphia49
- B2B sales development agencies in Tampa48
- B2B sales development agencies in Scottsdale47
- B2B sales development agencies in Wilmington45
- B2B sales development agencies in Portland44
- B2B sales development agencies in Pittsburgh39
- B2B sales development agencies in New York City36
- B2B sales development agencies in San Jose36
- B2B sales development agencies in Nashville35
- B2B sales development agencies in Raleigh35
- B2B sales development agencies in Dover31
- B2B sales development agencies in Columbus29
- B2B sales development agencies in Greenville27
- B2B sales development agencies in Indianapolis27
- B2B sales development agencies in Washington26
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 B2B sales development agencies, 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 B2B sales development agencies are there based in San Diego, United States?
RevenueBase identified 90 B2B sales development agencies 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?
Alltake, headquartered in San Diego, tops this list with the largest team on record.
Which city in the United States has the most B2B sales development agencies?
New York leads the United States with 333 headquartered companies, followed by Austin (154) and San Francisco (154). San Diego has 90.
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 96 verified decision-maker contacts tracked across these 90 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 27, 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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