Company lists · Data refreshed September 2026

Top 25 Middle office outsourcing providers based in the United States

RevenueBase identified 277 company matches for middle office outsourcing providers associated with the United States as of September 2026 and tracks 11,843 professional contacts across them, including 2,278 with verified work emails. New York is the largest hub.

This list covers company matches for middle office outsourcing providers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
277Companies
11,843Contacts tracked
2,278Verified emails
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The 25 largest middle office outsourcing providers based in the United States

Ranked by team size
Top 25 of 277 company matches for middle office outsourcing providers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMarlton, NJ, United StatesHQ recorded Sep 28, 20261,001-5,0001,237 contacts →

Exact match

“SEBPO transforms operational complexity into a seamless, strategic advantage.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchBurlington, MA, United StatesHQ recorded Sep 28, 20261,001-5,0001,140 contacts →

Exact match

“Investment and wealth managers, asset owners and insurers in over 30 countries rely on Charles River IMS to manage USD $59 Trillion in assets.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchBurlington, NC, United StatesHQ recorded Sep 28, 20261,001-5,000553 contacts →

Exact match

“Global Strategic is a business process outsourcing partner that builds high-performing teams through custom onshore, nearshore, and offshore solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchBoca Raton, FL, United StatesHQ recorded Sep 28, 2026501-1,000496 contacts →

Exact match

“Crane Consulting & Outsourcing (CCO) is a global provider of back-office support services to a myriad of financial service organizations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchDover, DE, United StatesHQ recorded Sep 28, 2026201-500447 contacts →

Exact match

“Velan Info Services is a leading multidisciplinary service provider with its clients across the globe.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchLake Hiawatha, NJ, United StatesHQ recorded Sep 28, 2026201-500187 contacts →

Exact match

“We are a leading global outsourcing services company with highly skilled professionals working for our clients and partners.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchHonolulu, HI, United StatesHQ recorded Sep 28, 202651-200134 contacts →

Exact match

“Vertaccount is a boutique Finance and Accounting Outsourcing provider with offices and affiliates in the United States, Australia, Singapore and the Philippines.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Sep 28, 2026501-1,000110 contacts →

Exact match

“Zenov BPO delivers specialized business process outsourcing solutions for companies in logistics, trucking, real estate, plumbing, insurance, and other service-driven industries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchJersey City, NJ, United StatesHQ recorded Sep 28, 202651-200106 contacts →

Exact match

“AlphaCentrix provides operations and technology solutions to investment managers, fund administrators, and prime brokers.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchKing Of Prussia, PA, United StatesHQ recorded Sep 28, 202611-5079 contacts →

Exact match

“CSSI is a software consulting and BackOffice services company helping investment management firms get the most out of their portfolio management systems.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202651-20077 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchWorcester, MA, United StatesHQ recorded Sep 28, 202651-20064 contacts →

Exact match

“Covenir is the WOW company, the customer experience-focused outsourcing partner for highly regulated organizations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchNC, United StatesHQ recorded Sep 28, 2026201-50062 contacts →

Exact match

“WHO WE ARE?”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchLos Angeles, CA, United StatesHQ recorded Sep 28, 202611-5056 contacts →

Exact match

“TryBPO's mission: To provide outsourcing solutions and consulting to small and medium sized businesses at a price they can afford, deliver measureable results without a…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchWilmington, DE, United StatesHQ recorded Sep 28, 202651-20053 contacts →

Exact match

“WE ARE SHJ INTERNATIONAL “Changing the very Definitions of Great Service.” SHJ International is a venture of hard working and exponentially talented personnel with a diverse range…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchChicago, IL, United StatesHQ recorded Sep 28, 2026201-50051 contacts →

Exact match

“Your Quiet Advantage”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchNew Rochelle, NY, United StatesHQ recorded Sep 28, 2026201-50044 contacts →

Exact match

“Reckon Data Solutions is constant outsourcing solution for Title Insurance, Appraisal, Freight, BPO, Insurance, Accounting & Finance back office services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 28, 202651-20043 contacts →

Exact match

“NexFirm provides outsourced back office services to small and midsized law firms.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202651-20041 contacts →

Exact match

“Fund Services Group was founded to support the growth of private fund managers by providing outsourced finance, operations, and compliance services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchDallas, TX, United StatesHQ recorded Sep 28, 202611-5039 contacts →

Exact match

“At Trust Management Network, we believe that trust organizations deserve the best.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchFoothill Ranch, CA, United StatesHQ recorded Sep 28, 202651-20038 contacts →

Exact match

“Experienced real estate professionals providing quality outsourcing solutions for lenders, servicers and investors.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202651-20035 contacts →

Exact match

“Proxima offers Operations as a Service for the Insurance industry through a unique service model that combines nearshore highly qualified talent for Customer Service, Back-office…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchSalem, NH, United StatesHQ recorded Sep 28, 202651-20034 contacts →

Exact match

“At Marquis Management, we specialize in providing turnkey outsourcing services in the areas of professional IT services, human resources, payroll, benefits administration…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202651-20033 contacts →

Exact match

“Aliter Investment Services was acquired by F2 Strategy.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchRuston, LA, United StatesHQ recorded Sep 28, 202611-5031 contacts →

Exact match

“Crossmark Management Group offers professional financial and accounting outsourcing (FAO).”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 277 middle office outsourcing providers based in the United States

See the full list, filter by size, metro and specialty, and access 2,278 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Middle office outsourcing providers based in the United States at a glance

As of Sep 28, 2026
19.2%Verified-email coverage
42.8Average contacts per company
11-50Median size (employees)
8.7%Largest-city concentration · New York
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
101
11-50
94
51-200
53
201-500
15
501-1,000
10
1,001-5,000
4

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 277 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “middle office outsourcing providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 2,278 professional contacts with verified work emails across the full matched dataset. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “middle office outsourcing providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many middle office outsourcing providers are there based in the United States?

RevenueBase identified 277 company matches for middle office outsourcing providers associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

SEBPO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most middle office outsourcing providers?

New York leads with 24 company records, followed by Houston (9) and Chicago (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,278 professional contacts with verified work emails tracked across these 277 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 277 middle office outsourcing providers based in the United States. Start with a free account, no credit card.

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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 SmartSearch, 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.