Company lists · Data refreshed September 2026
Top 25 Outsourced business management companies based in San Diego, United States
RevenueBase identified 84 outsourced business management companies headquartered in San Diego, United States as of September 2026 and tracks 914 professional contacts across them, including 291 with verified work emails. New York is the largest hub.
This list covers outsourced business management 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 outsourced business management companies based in San Diego, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 285 contacts → | ||||
Partial evidence “Redial is a full-service nearshore and offshore business processing outsourcing (BPO) company.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 137 contacts → | ||||
Partial evidence “van den Boom & Associates is a life sciences focused firm that that specializes in supporting VC backed life science companies through outsourced finance, accounting, contracts…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 120 contacts → | ||||
Partial evidence “At Optima Office, we understand the challenges businesses face with financial management and HR services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 55 contacts → | ||||
Partial evidence “At PBO Advisory Group, we assess, outsource, and advise in the areas of accounting & finance, human resources, human capital consulting, and business operations to increase…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 45 contacts → | ||||
Indirect evidence “Capita Works is your strategic partner in building high-performance, cost-effective remote teams based in Mexico.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 20 contacts → | ||||
Partial evidence “Back Office Support Solutions is an outsourced accounting and operations firm that creates a tailored approach to support each client's specific needs in accounting/bookkeeping…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 19 contacts → | ||||
Indirect evidence “When your business needs actionable insights from the story your financial data is telling you, turn to us.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 13 contacts → | ||||
Indirect evidence “With over a 100 years of experience, we have worked help companies focus on their core business while we streamline all the work that consumes your biggest resource, TIME!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 10 contacts → | ||||
Indirect evidence “No other firm does what we do!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 9 contacts → | ||||
Partial evidence “RG Alliance is an outsourced back-office support and bookkeeping firm based in San Diego, California.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 7 contacts → | ||||
Partial evidence “Here at RISE Consulting Group, we offer outsourced accounting, financial, and other support services for privately held businesses, providing timely, accurate and actionable…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 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. | |||||
| 13 | 3 contacts → | ||||
Indirect evidence “Business Coaching and Consulting for small to medium businesses who want to grow their business, and become more profitable.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 2 contacts → | ||||
Indirect evidence “Bookkeeping that cares about your business as much as you do.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 2 contacts → | ||||
Indirect evidence “Pigment Provisions is a new way of support for small to medium sized businesses, from IT to Digital Marketing services, we are here to help build the business identity and manage…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 2 contacts → | ||||
Indirect evidence “HMTP provides a wide variety of administrative and operations support services specifically targeted at small biotech companies with a limited administrative staff, or a need for…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 1 contacts → | ||||
Indirect evidence “We work ‘ON’ your business so you can work ‘IN’ it!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1 contacts → | ||||
Indirect evidence “HLK Consultants helps small and medium sized businesses boost sales, increase profits, and operate more efficiently.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1 contacts → | ||||
Indirect evidence “Alacritous Solutions mission is to empower business owners to make data-driven decisions and eliminate the burden of day-to-day tasks that all small businesses have.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 contacts → | ||||
Indirect evidence “Who We Are: Founded by Monetta Plassmeyer.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1 contacts → | ||||
Indirect evidence “Founded by Carolann Dekker, Dekker Marketing is a Southern California-based agency offering a comprehensive portfolio of marketing and business development services for clients…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 contacts → | ||||
Indirect evidence “As a seasoned administrative professional, Nicole Walden helps small business owners mend the fray, freeing them to do their important work.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Indirect evidence “Welcome to All-In-One Business Solutions, but you can call us AIO, everyone else does.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Indirect evidence “At Vehar Consulting, we believe that every business deserves more than just basic bookkeeping.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Indirect evidence “Managing your bottom-line is the difference between success and failure.” We understand managing your finances can be overwhelming, but they don’t have to be.” 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: outsourced business management 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 outsourced business management companies.
- Partial evidence
- Its own public description names part of outsourced business management companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name outsourced business management 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 84 outsourced business management companies based in San Diego, United States
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Outsourced business management 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 84 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 outsourced business management 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 “outsourced business management 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 outsourced business management 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 outsourced business management 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, 291 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.
Outsourced business management companies by metro in the United States
- Outsourced business management companies in New York314
- Outsourced business management companies in Atlanta183
- Outsourced business management companies in Houston181
- Outsourced business management companies in Los Angeles180
- Outsourced business management companies in Miami157
- Outsourced business management companies in Austin155
- Outsourced business management companies in Chicago135
- Outsourced business management companies in Dallas123
- Outsourced business management companies in Denver109
- Outsourced business management companies in Orlando86
- Outsourced business management companies in San Diego84
- Outsourced business management companies in San Francisco83
- Outsourced business management companies in Washington83
- Outsourced business management companies in Tampa69
- Outsourced business management companies in Las Vegas68
- Outsourced business management companies in Sheridan68
- Outsourced business management companies in Boston62
- Outsourced business management companies in Phoenix62
- Outsourced business management companies in Charlotte58
- Outsourced business management companies in Seattle58
- Outsourced business management companies in San Antonio52
- Outsourced business management companies in Portland50
- Outsourced business management companies in Minneapolis48
- Outsourced business management companies in Philadelphia47
- Outsourced business management companies in Wilmington46
- Outsourced business management companies in Indianapolis45
- Outsourced business management companies in Nashville43
- Outsourced business management companies in Columbus41
- Outsourced business management companies in Jacksonville37
- Outsourced business management companies in Fort Lauderdale35
- Outsourced business management companies in Salt Lake City35
- Outsourced business management companies in Pittsburgh34
- Outsourced business management companies in San Jose33
- Outsourced business management companies in Irvine32
- Outsourced business management companies in Raleigh31
- Outsourced business management companies in Scottsdale31
- Outsourced business management companies in Sacramento30
- Outsourced business management companies in Baltimore29
- Outsourced business management companies in Detroit27
- Outsourced business management companies in Fort Worth27
- Outsourced business management companies in Frisco27
- Outsourced business management companies in Omaha27
- Outsourced business management companies in Remote27
- Outsourced business management companies in Richmond27
- Outsourced business management companies in Rochester27
- Outsourced business management companies in Charleston26
- Outsourced business management companies in Louisville26
- Outsourced business management companies in Cleveland25
- Outsourced business management companies in Dover25
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 outsourced business management 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 outsourced business management companies are there based in San Diego, United States?
RevenueBase identified 84 outsourced business management 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?
Redial BPO, headquartered in San Diego, tops this list with the largest team on record.
Which city has the most outsourced business management companies?
New York leads with 314 headquartered companies, followed by Atlanta (183) and Houston (181).
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 291 verified decision-maker contacts tracked across these 84 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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