Company lists · Data refreshed September 2026
Top 25 Outsourcing finance and accounting services based in the United States
RevenueBase identified 6,551 outsourcing finance and accounting services headquartered in the United States as of September 2026 and tracks 35,122 professional contacts across them, including 10,329 with verified work emails. New York is the largest hub.
This list covers outsourcing finance and accounting services headquartered in the 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 outsourcing finance and accounting services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,231 contacts → | ||||
Strong evidence “OUR PEOPLE, YOUR PRIORITIES Streamline your finance & accounting team at 50% cost savings with a team as small as one.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,721 contacts → | ||||
Partial evidence “Consero Global, backed by BV Investment Partners, is the pioneer of Finance as a Service (FaaS), disrupting how Investment Managers and PE/VC-backed software, business services…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 913 contacts → | ||||
Partial evidence “B Consulting provides a plug-and-play financial operations team for high-growth startups.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 571 contacts → | ||||
Partial evidence “Founded in 2007, Metriqe Solutions started out as a Hotel Accounting firm in USA.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 482 contacts → | ||||
Indirect evidence “We specialize in providing full-service CFOs, controllers, and operational accountants to consult with our clients.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 415 contacts → | ||||
Indirect evidence “Outsourced Bookkeeping and Controller Services Supporting Strategies provides outsourced bookkeeping services, controller services and operational support to growing businesses.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 397 contacts → | ||||
Strong evidence “Outsource Partners International (OPI) is a professional services firm dedicated to the outsourcing of finance, accounting, and analytics business processes.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 367 contacts → | ||||
Indirect evidence “If you’re like us, you’re in business to do what you love, build great products, teams, and customer relationships.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 339 contacts → | ||||
Strong evidence “OHI is a specialized finance and real estate accounting outsourcing service provider with operations out of New Delhi (India) since 2006.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 320 contacts → | ||||
Strong evidence “Unison Globus is a global accounting outsourcing and offshore staffing partner dedicated to supporting CPA firms and accounting professionals.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 298 contacts → | ||||
Strong evidence “Montgomery Pacific Corporation (MontPac) is an outsourced accounting and financial management firm with personnel in the US, UK, and the Philippines.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 249 contacts → | ||||
Indirect evidence “The true performance of your business shouldn’t be a mystery.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 239 contacts → | ||||
Strong evidence “FinAdvantage is a tech-powered boutique finance and accounting operations firm offering a full suite of services for over a decade.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 175 contacts → | ||||
Indirect evidence “Indinero is on a mission to help every business realize its potential.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 168 contacts → | ||||
Strong evidence “Infinity Globus, a Springline company, is a leading accounting outsourcing firm with over two decades of industry experience, providing tailored taxation and accounting services…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 155 contacts → | ||||
Strong evidence “Accounting Outsourcing to Drive Growth for Global CPA Firms & MNCs.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 134 contacts → | ||||
Strong evidence “Vertaccount is a boutique Finance and Accounting Outsourcing provider with offices and affiliates in the United States, Australia, Singapore and the Philippines.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 123 contacts → | ||||
Indirect evidence “We help great entrepreneurs build great companies.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 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. | |||||
| 20 | 115 contacts → | ||||
Partial evidence “Welcome to GLOCAL Accounting.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 115 contacts → | ||||
Strong evidence “Tarsus is a leading advisory firm in personalized outsourced CFO services, M&A, accounting, payroll, finance, and transactional services designed to help you scale your business…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 109 contacts → | ||||
Strong evidence “Boston Financial Advisory Group is a one-stop-shop solution for all your Accounting and Financial consulting needs.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 108 contacts → | ||||
Partial evidence “CrystalVoxx offers a wide range of accounting and payroll services to suit diverse customer needs [Accounting & Payroll, EMR Integrated Transcription, Revenue Cycle Management,].” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 104 contacts → | ||||
Partial evidence “Running a multi-unit franchise business is complex, your accounting shouldn’t be.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 101 contacts → | ||||
Strong evidence “We specialize in accounting services for small and family-owned businesses-serving as the perfect extension of your company’s financial team.” 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: outsourcing finance and accounting services. 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 outsourcing finance and accounting services.
- Partial evidence
- Its own public description names part of outsourcing finance and accounting services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name outsourcing finance and accounting services. 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 6,551 outsourcing finance and accounting services based in the United States
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Outsourcing finance and accounting services based in the United States at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 6,551 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 outsourcing finance and accounting services, 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 the United States whose own description of what they do matches “outsourcing finance and accounting services”. 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 outsourcing finance and accounting services), 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 outsourcing finance and accounting services, and records with no verified work email. Companies headquartered outside United States 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, 10,329 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.
Outsourcing finance and accounting services by metro
- Outsourcing finance and accounting services in New York162
- Outsourcing finance and accounting services in Houston120
- Outsourcing finance and accounting services in Los Angeles104
- Outsourcing finance and accounting services in Austin91
- Outsourcing finance and accounting services in Dallas71
- Outsourcing finance and accounting services in Atlanta70
- Outsourcing finance and accounting services in San Diego70
- Outsourcing finance and accounting services in Denver67
- Outsourcing finance and accounting services in Miami67
- Outsourcing finance and accounting services in Chicago63
- Outsourcing finance and accounting services in Phoenix44
- Outsourcing finance and accounting services in San Francisco41
- Outsourcing finance and accounting services in Las Vegas39
- Outsourcing finance and accounting services in Orlando39
- Outsourcing finance and accounting services in Portland38
- Outsourcing finance and accounting services in Sheridan38
- Outsourcing finance and accounting services in Tampa38
- Outsourcing finance and accounting services in San Antonio37
- Outsourcing finance and accounting services in Washington33
- Outsourcing finance and accounting services in Raleigh32
- Outsourcing finance and accounting services in Seattle32
- Outsourcing finance and accounting services in Charlotte31
- Outsourcing finance and accounting services in Salt Lake City27
- Outsourcing finance and accounting services in Minneapolis26
- Outsourcing finance and accounting services in Boston25
- Outsourcing finance and accounting services in Wilmington25
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 outsourcing finance and accounting services, 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 outsourcing finance and accounting services are there based in the United States?
RevenueBase identified 6,551 outsourcing finance and accounting services headquartered in the 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?
Personiv, headquartered in Austin, tops this list with the largest team on record.
Which city has the most outsourcing finance and accounting services?
New York leads with 162 headquartered companies, followed by Houston (120) and Los Angeles (104).
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 10,329 verified decision-maker contacts tracked across these 6,551 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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Outsourcing finance and accounting services by geography
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- Outsourcing finance and accounting services based in Campinas, Brazil
- Outsourcing finance and accounting services based in Curitiba, Brazil
- Outsourcing finance and accounting services based in Porto Alegre, Brazil
- Outsourcing finance and accounting services based in Rio De Janeiro, Brazil
- Outsourcing finance and accounting services based in Sao Paulo, Brazil
- Outsourcing finance and accounting services based in Calgary, Canada
- Outsourcing finance and accounting services based in Edmonton, Canada
- Outsourcing finance and accounting services based in Mississauga, Canada
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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