Company lists · Data refreshed September 2026
Top 25 Invoice processing outsourcing firms based in the United States
RevenueBase identified 218 company matches for invoice processing outsourcing firms associated with the United States as of September 2026 and tracks 5,990 professional contacts across them, including 765 with verified work emails. Atlanta is the largest hub.
This list covers company matches for invoice processing outsourcing firms 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.
The 25 largest invoice processing outsourcing firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 676 contacts → | ||||
Exact match “Data Entry Solution is one of the leading back office solution providers based in California.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 658 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 359 contacts → | ||||
Exact match “Leading AP automation software | Reduce processing cost by 90%| For large and mid-sized companies | Our customers include DHL, Danone, HSBC, Kuehne + Nagel, and Air France KLM.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 298 contacts → | ||||
Exact match “At Circulus, we provide Product and Service Offerings designed to Optimize, Augment, and Automate AP Processes.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 207 contacts → | ||||
Exact match “Nanonets agents understand key details in files – like invoices, POs, BoL & clinical documents – work through complex processes and act with transparency, making them the most…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 178 contacts → | ||||
Exact match “Allzone is a leading offshore Medical Billing Company that provides billing, coding and RCM (revenue cycle management) services to clients across USA.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 134 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 | |||||
| 8 | 124 contacts → | ||||
Exact match “Since 1994, DataServ has delivered Accounts Payable invoice automation solutions that enable accounting teams to eliminate data entry, increase accuracy, and focus on higher-value…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 90 contacts → | ||||
Exact match “Since 1996, InfoSend has provided innovative solutions for organizations seeking eBilling, ePayment, Data Processing, and BillPrint & Mail services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 85 contacts → | ||||
Exact match “Allsec Technologies is a global outsourcing solutions provider, serving over 600 companies in 42+ countries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 75 contacts → | ||||
Exact match “Symbeo helps businesses everywhere build efficiencies between payors and payees for corporate accounts payable (AP) business-to-business transactions with true AP automation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 75 contacts → | ||||
Exact match “Symtrax delivers solutions that streamline AP/AR processing, ensure compliance, and integrate seamlessly with the ERP systems of mid-sized and large companies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 57 contacts → | ||||
Exact match “Transcepta automates the AP process, end to end.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 51 contacts → | ||||
Exact match “Your Quiet Advantage” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 50 contacts → | ||||
Exact match “At Mondo Solutions, we specialize in top-tier process outsourcing, including Full revenue cycle Recruitment Process Outsourcing (RPO, Business Process Outsourcing (BPO), CPO…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 45 contacts → | ||||
Exact match “Ascend is a leading provider of Accounts Payable (AP) automation solutions for medium and large enterprises in the cloud.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 44 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 | |||||
| 18 | 43 contacts → | ||||
Exact match “Core Force provides back office services including production contol, import tracking, inventory management, order processing, warehouse management and accounts receivable for…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 36 contacts → | ||||
Exact match “LBMC W Squared provides outsourced solutions including finance & accounting, accounts receivable, and accounts payable.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 32 contacts → | ||||
Exact match “Emendate is Leading Freight Invoice Verification and Payment Company with its presence all over the globe.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 31 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 | |||||
| 22 | 29 contacts → | ||||
Exact match “About Conversion Technologies International, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 28 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 27 contacts → | ||||
Exact match “Accumatic simplifies your accounting processes while increasing accuracy at the same time.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 26 contacts → | ||||
Exact match “SX Business Services is an outsourced accounting company based out of 661 Pleasant Street Norwood, MA, United States.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “invoice processing outsourcing firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 218 invoice processing outsourcing firms based in the United States
See the full list, filter by size, metro and specialty, and access 765 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Invoice processing outsourcing firms based in the United States at a glance
As of Sep 28, 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 218 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 “invoice processing outsourcing firms” 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 765 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 “invoice processing outsourcing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many invoice processing outsourcing firms are there based in the United States?
RevenueBase identified 218 company matches for invoice processing outsourcing firms 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?
Data Entry Solution tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most invoice processing outsourcing firms?
Atlanta leads with 7 company records, followed by New York (7) and Houston (6).
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 765 professional contacts with verified work emails tracked across these 218 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 218 invoice processing outsourcing firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Invoice processing outsourcing firms by geography
- Invoice processing outsourcing firms based in Ahmedabad, India
- Invoice processing outsourcing firms based in Brazil
- Invoice processing outsourcing firms based in Canada
- Invoice processing outsourcing firms based in India
- Invoice processing outsourcing firms based in the Netherlands
- Invoice processing outsourcing firms based in the United Kingdom
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Invoice processing outsourcing firms based in Ahmedabad, India
- Invoice processing outsourcing firms based in Brazil
- Invoice processing outsourcing firms based in Canada
- Invoice processing outsourcing firms based in India
- Invoice processing outsourcing firms based in the Netherlands
- Invoice processing outsourcing firms based in the United Kingdom
Company intelligence · public preview
Top 25 invoice processing outsourcing firms based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 218 matching company records for invoice processing outsourcing firms based in the United States, with 5,990 tracked contacts and 765 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 invoice processing outsourcing firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Data Entry Solutiondataentrysolution.comHQ: Santa Clara, CA, United StatesReported employees: Not recorded | Santa Clara, CA, United States | Not recorded | Exact match | 676 contacts → |
“Data Entry Solution is one of the leading back office solution providers based in California.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Not Availablefso-outsourcing.comHQ: Na, United StatesReported employees: Not recorded | Na, United States | Not recorded | Exact match | 658 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 |  Tradeshifttradeshift.comHQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 359 contacts → |
“Leading AP automation software | Reduce processing cost by 90%| For large and mid-sized companies | Our customers include DHL, Danone, HSBC, Kuehne + Nagel, and Air France KLM.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Circuluscirculus.ioHQ: Plano, TX, United StatesReported employees: 501-1,000 | Plano, TX, United States | 501-1,000 | Exact match | 298 contacts → |
“At Circulus, we provide Product and Service Offerings designed to Optimize, Augment, and Automate AP Processes.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Nanonetsnanonets.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 207 contacts → |
“Nanonets agents understand key details in files – like invoices, POs, BoL & clinical documents – work through complex processes and act with transparency, making them the most…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Allzone Management Solutionsallzonems.comHQ: Glendale, CA, United StatesReported employees: 201-500 | Glendale, CA, United States | 201-500 | Exact match | 178 contacts → |
“Allzone is a leading offshore Medical Billing Company that provides billing, coding and RCM (revenue cycle management) services to clients across USA.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Vertaccountvertaccount.comHQ: Honolulu, HI, United StatesReported employees: 51-200 | Honolulu, HI, United States | 51-200 | Exact match | 134 contacts → |
“Vertaccount is a boutique Finance and Accounting Outsourcing provider with offices and affiliates in the United States, Australia, Singapore and the Philippines.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Dataservdataserv.comHQ: St. Louis, MO, United StatesReported employees: 51-200 | St. Louis, MO, United States | 51-200 | Exact match | 124 contacts → |
“Since 1994, DataServ has delivered Accounts Payable invoice automation solutions that enable accounting teams to eliminate data entry, increase accuracy, and focus on higher-value…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Infosend, INCinfosend.comHQ: Anaheim, CA, United StatesReported employees: 201-500 | Anaheim, CA, United States | 201-500 | Exact match | 90 contacts → |
“Since 1996, InfoSend has provided innovative solutions for organizations seeking eBilling, ePayment, Data Processing, and BillPrint & Mail services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Allsec Technologies Limitedallsectech.com HQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 85 contacts → |
“Allsec Technologies is a global outsourcing solutions provider, serving over 600 companies in 42+ countries.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Symbeosymbeo.comHQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 75 contacts → |
“Symbeo helps businesses everywhere build efficiencies between payors and payees for corporate accounts payable (AP) business-to-business transactions with true AP automation.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Symtraxsymtrax.comHQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 75 contacts → |
“Symtrax delivers solutions that streamline AP/AR processing, ensure compliance, and integrate seamlessly with the ERP systems of mid-sized and large companies.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Transceptatranscepta.comHQ: Aliso Viejo, United StatesReported employees: 51-200 | Aliso Viejo, United States | 51-200 | Exact match | 57 contacts → |
“Transcepta automates the AP process, end to end.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Assivoassivo.comHQ: Chicago, IL, United StatesReported employees: 201-500 | Chicago, IL, United States | 201-500 | Exact match | 51 contacts → |
“Your Quiet Advantage” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Mondo Solutionsmondosolution.comHQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 50 contacts → |
“At Mondo Solutions, we specialize in top-tier process outsourcing, including Full revenue cycle Recruitment Process Outsourcing (RPO, Business Process Outsourcing (BPO), CPO…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ascendascendsoftware.comHQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 45 contacts → |
“Ascend is a leading provider of Accounts Payable (AP) automation solutions for medium and large enterprises in the cloud.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Reckon Data Solutions, LLCreckon-data.comHQ: New Rochelle, NY, United StatesReported employees: 201-500 | New Rochelle, NY, United States | 201-500 | Exact match | 44 contacts → |
“Reckon Data Solutions is constant outsourcing solution for Title Insurance, Appraisal, Freight, BPO, Insurance, Accounting & Finance back office services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Core Forcecoreforce.com HQ: Edison, NJ, United StatesReported employees: 201-500 | Edison, NJ, United States | 201-500 | Exact match | 43 contacts → |
“Core Force provides back office services including production contol, import tracking, inventory management, order processing, warehouse management and accounts receivable for…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Lbmc W Squaredlbmcwsquared.comHQ: Brentwood, TN, United StatesReported employees: 11-50 | Brentwood, TN, United States | 11-50 | Exact match | 36 contacts → |
“LBMC W Squared provides outsourced solutions including finance & accounting, accounts receivable, and accounts payable.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Emendateemendate.com HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 32 contacts → |
“Emendate is Leading Freight Invoice Verification and Payment Company with its presence all over the globe.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Crossmark Management Group, LLCcrossmmg.com HQ: Ruston, LA, United StatesReported employees: 11-50 | Ruston, LA, United States | 11-50 | Exact match | 31 contacts → |
“Crossmark Management Group offers professional financial and accounting outsourcing (FAO).” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Conversion Technologies International, INCctiimage.comHQ: Mount Laurel, NJ, United StatesReported employees: 51-200 | Mount Laurel, NJ, United States | 51-200 | Exact match | 29 contacts → |
“About Conversion Technologies International, Inc.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Retail Lockbox, INCretaillockbox.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 28 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Accumaticaccumatic.com HQ: Kirkland, WA, United StatesReported employees: 1-10 | Kirkland, WA, United States | 1-10 | Exact match | 27 contacts → |
“Accumatic simplifies your accounting processes while increasing accuracy at the same time.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  SX Business Servicessxbusiness.comHQ: Norwood, MA, United StatesReported employees: 11-50 | Norwood, MA, United States | 11-50 | Exact match | 26 contacts → |
“SX Business Services is an outsourced accounting company based out of 661 Pleasant Street Norwood, MA, United States.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 218 company matches
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Invoice processing outsourcing firms: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
217 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 218 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for invoice processing outsourcing firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many invoice processing outsourcing firms did RevenueBase find based in the United States?
The saved snapshot records 218 matching company records, 5,990 tracked contacts and 765 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Invoice processing outsourcing firms by geography
- Invoice processing outsourcing firms based in Ahmedabad, India
- Invoice processing outsourcing firms based in Brazil
- Invoice processing outsourcing firms based in Canada
- Invoice processing outsourcing firms based in India
- Invoice processing outsourcing firms based in the Netherlands
- Invoice processing outsourcing firms based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 invoice processing outsourcing firms based in the United States. Snapshot: September 28, 2026. https://revenuebase.ai/companies/invoice-processing-outsourcing-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Invoice processing outsourcing firms based in Ahmedabad, India
- Invoice processing outsourcing firms based in Brazil
- Invoice processing outsourcing firms based in Canada
- Invoice processing outsourcing firms based in India
- Invoice processing outsourcing firms based in the Netherlands
- Invoice processing outsourcing firms based in the United Kingdom
Company intelligence · public preview
Top 25 invoice processing outsourcing firms based in the United States
RevenueBase records 218 matching company records for invoice processing outsourcing firms based in the United States, with 5,990 tracked contacts and 765 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 invoice processing outsourcing firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Data Entry Solutiondataentrysolution.com HQ: Santa Clara, CA, United StatesReported employees: Not recorded | Santa Clara, CA, United States | Not recorded | Exact match | 676 contacts → |
“Data Entry Solution is one of the leading back office solution providers based in California.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Not Availablefso-outsourcing.com HQ: Na, United StatesReported employees: Not recorded | Na, United States | Not recorded | Exact match | 658 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 | Tradeshifttradeshift.com HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 359 contacts → |
“Leading AP automation software | Reduce processing cost by 90%| For large and mid-sized companies | Our customers include DHL, Danone, HSBC, Kuehne + Nagel, and Air France KLM.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Circuluscirculus.io HQ: Plano, TX, United StatesReported employees: 501-1,000 | Plano, TX, United States | 501-1,000 | Exact match | 298 contacts → |
“At Circulus, we provide Product and Service Offerings designed to Optimize, Augment, and Automate AP Processes.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Nanonetsnanonets.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 207 contacts → |
“Nanonets agents understand key details in files – like invoices, POs, BoL & clinical documents – work through complex processes and act with transparency, making them the most…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Allzone Management Solutionsallzonems.com HQ: Glendale, CA, United StatesReported employees: 201-500 | Glendale, CA, United States | 201-500 | Exact match | 178 contacts → |
“Allzone is a leading offshore Medical Billing Company that provides billing, coding and RCM (revenue cycle management) services to clients across USA.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Vertaccountvertaccount.com HQ: Honolulu, HI, United StatesReported employees: 51-200 | Honolulu, HI, United States | 51-200 | Exact match | 134 contacts → |
“Vertaccount is a boutique Finance and Accounting Outsourcing provider with offices and affiliates in the United States, Australia, Singapore and the Philippines.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Dataservdataserv.com HQ: St. Louis, MO, United StatesReported employees: 51-200 | St. Louis, MO, United States | 51-200 | Exact match | 124 contacts → |
“Since 1994, DataServ has delivered Accounts Payable invoice automation solutions that enable accounting teams to eliminate data entry, increase accuracy, and focus on higher-value…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Infosend, INCinfosend.com HQ: Anaheim, CA, United StatesReported employees: 201-500 | Anaheim, CA, United States | 201-500 | Exact match | 90 contacts → |
“Since 1996, InfoSend has provided innovative solutions for organizations seeking eBilling, ePayment, Data Processing, and BillPrint & Mail services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Allsec Technologies Limitedallsectech.com HQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 85 contacts → |
“Allsec Technologies is a global outsourcing solutions provider, serving over 600 companies in 42+ countries.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Symbeosymbeo.com HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 75 contacts → |
“Symbeo helps businesses everywhere build efficiencies between payors and payees for corporate accounts payable (AP) business-to-business transactions with true AP automation.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Symtraxsymtrax.com HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 75 contacts → |
“Symtrax delivers solutions that streamline AP/AR processing, ensure compliance, and integrate seamlessly with the ERP systems of mid-sized and large companies.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Transceptatranscepta.com HQ: Aliso Viejo, United StatesReported employees: 51-200 | Aliso Viejo, United States | 51-200 | Exact match | 57 contacts → |
“Transcepta automates the AP process, end to end.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Assivoassivo.com HQ: Chicago, IL, United StatesReported employees: 201-500 | Chicago, IL, United States | 201-500 | Exact match | 51 contacts → |
“Your Quiet Advantage” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Mondo Solutionsmondosolution.com HQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 50 contacts → |
“At Mondo Solutions, we specialize in top-tier process outsourcing, including Full revenue cycle Recruitment Process Outsourcing (RPO, Business Process Outsourcing (BPO), CPO…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ascendascendsoftware.com HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 45 contacts → |
“Ascend is a leading provider of Accounts Payable (AP) automation solutions for medium and large enterprises in the cloud.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Reckon Data Solutions, LLCreckon-data.com HQ: New Rochelle, NY, United StatesReported employees: 201-500 | New Rochelle, NY, United States | 201-500 | Exact match | 44 contacts → |
“Reckon Data Solutions is constant outsourcing solution for Title Insurance, Appraisal, Freight, BPO, Insurance, Accounting & Finance back office services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Core Forcecoreforce.com HQ: Edison, NJ, United StatesReported employees: 201-500 | Edison, NJ, United States | 201-500 | Exact match | 43 contacts → |
“Core Force provides back office services including production contol, import tracking, inventory management, order processing, warehouse management and accounts receivable for…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Lbmc W Squaredlbmcwsquared.com HQ: Brentwood, TN, United StatesReported employees: 11-50 | Brentwood, TN, United States | 11-50 | Exact match | 36 contacts → |
“LBMC W Squared provides outsourced solutions including finance & accounting, accounts receivable, and accounts payable.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Emendateemendate.com HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 32 contacts → |
“Emendate is Leading Freight Invoice Verification and Payment Company with its presence all over the globe.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Crossmark Management Group, LLCcrossmmg.com HQ: Ruston, LA, United StatesReported employees: 11-50 | Ruston, LA, United States | 11-50 | Exact match | 31 contacts → |
“Crossmark Management Group offers professional financial and accounting outsourcing (FAO).” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Conversion Technologies International, INCctiimage.com HQ: Mount Laurel, NJ, United StatesReported employees: 51-200 | Mount Laurel, NJ, United States | 51-200 | Exact match | 29 contacts → |
“About Conversion Technologies International, Inc.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Retail Lockbox, INCretaillockbox.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 28 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Accumaticaccumatic.com HQ: Kirkland, WA, United StatesReported employees: 1-10 | Kirkland, WA, United States | 1-10 | Exact match | 27 contacts → |
“Accumatic simplifies your accounting processes while increasing accuracy at the same time.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | SX Business Servicessxbusiness.com HQ: Norwood, MA, United StatesReported employees: 11-50 | Norwood, MA, United States | 11-50 | Exact match | 26 contacts → |
“SX Business Services is an outsourced accounting company based out of 661 Pleasant Street Norwood, MA, United States.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 218 company matches
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Invoice processing outsourcing firms: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
217 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 218 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for invoice processing outsourcing firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many invoice processing outsourcing firms did RevenueBase find based in the United States?
The saved snapshot records 218 matching company records, 5,990 tracked contacts and 765 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Invoice processing outsourcing firms by geography
- Invoice processing outsourcing firms based in Ahmedabad, India
- Invoice processing outsourcing firms based in Brazil
- Invoice processing outsourcing firms based in Canada
- Invoice processing outsourcing firms based in India
- Invoice processing outsourcing firms based in the Netherlands
- Invoice processing outsourcing firms based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 invoice processing outsourcing firms based in the United States. Snapshot: September 28, 2026. https://revenuebase.ai/companies/invoice-processing-outsourcing-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Invoice processing outsourcing firms based in Ahmedabad, India
- Invoice processing outsourcing firms based in Brazil
- Invoice processing outsourcing firms based in Canada
- Invoice processing outsourcing firms based in India
- Invoice processing outsourcing firms based in the Netherlands
- Invoice processing outsourcing firms based in the United Kingdom