Company lists · Data refreshed September 2026

Top 25 Accounts payable process outsourcing companies based in the United States

RevenueBase identified 123 company matches for accounts payable process outsourcing companies associated with the United States as of September 2026 and tracks 5,465 professional contacts across them, including 2,300 with verified work emails. Falls Church is the largest hub.

This list covers company matches for accounts payable process outsourcing companies 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 27, 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 27, 2026 How this list was built
123Companies
5,465Contacts tracked
2,300Verified emails
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The 25 largest accounts payable process outsourcing companies based in the United States

Ranked by team size
Top 25 of 123 company matches for accounts payable process outsourcing companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchCharlotte, NC, United StatesHQ recorded Sep 27, 20261,001-5,0001,810 contacts →

Exact match

“AvidXchange is the AI-powered accounts payable (AP) and payments solution built for mid-market businesses.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 2026201-500389 contacts →

Exact match

“Versapay is the platform that rewires AR by removing barriers from collecting and reconciling B2B payments, providing end-to-end cash flow clarity, ensuring businesses can manage…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchPlano, TX, United StatesHQ recorded Sep 27, 2026501-1,000298 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 27, 2026 · View company records in RevenueBase
4Exact matchDenver, CO, United StatesHQ recorded Sep 27, 2026201-500182 contacts →

Exact match

“Traild is a deeply integrated Accounts Payable solution focused on twin issues, AP efficiency and Financial Control.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchSt. Louis, MO, United StatesHQ recorded Sep 27, 202651-200124 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 27, 2026 · View company records in RevenueBase
6Exact matchFalls Church, VA, United StatesHQ recorded Sep 27, 202651-200108 contacts →

Exact match

“Nexus, a Bottomline Technologies company, provides the only AP & Payments Automation Platform built specifically for Real Estate.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchRichmond, VA, United StatesHQ recorded Sep 27, 2026201-500106 contacts →

Exact match

“Paymerang provides a streamlined finance automation platform that brings Accounts Payable departments into the modern age.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchBoston, MA, United StatesHQ recorded Sep 27, 202651-200100 contacts →

Exact match

“MineralTree provides the easiest to use Accounts Payable (AP) and Payment Automation solutions for finance professionals.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchPortland, OR, United StatesHQ recorded Sep 27, 202651-20075 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 27, 2026 · View company records in RevenueBase
10Exact matchLos Angeles, CA, United StatesHQ recorded Sep 27, 202651-20075 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 27, 2026 · View company records in RevenueBase
11Exact matchSan Jose, CA, United StatesHQ recorded Sep 27, 2026201-50075 contacts →

Exact match

“Zil Money is a fintech platform built to simplify every payment a business makes.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchBeaverton, OR, United StatesHQ recorded Sep 27, 202651-20059 contacts →

Exact match

“Nvoicepay streamlines the way companies pay their accounts payable invoices through electronic payments.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchAliso Viejo, United StatesHQ recorded Sep 27, 202651-20057 contacts →

Exact match

“Transcepta automates the AP process, end to end.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 27, 202611-5045 contacts →

Exact match

“Our mission is to allow you to concentrate on core activities while we execute your projects and tactical tasks without any noise and day-to-day supervision.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchPortland, OR, United StatesHQ recorded Sep 27, 202651-20045 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 27, 2026 · View company records in RevenueBase
16Exact matchBrentwood, TN, United StatesHQ recorded Sep 27, 202611-5036 contacts →

Exact match

“LBMC W Squared provides outsourced solutions including finance & accounting, accounts receivable, and accounts payable.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchCincinnati, OH, United StatesHQ recorded Sep 27, 202611-5035 contacts →

Exact match

“MUC is a SaaS company supported by a powerful, scalable, A/P solution that helps to transform data into knowledge and bridges the gap between operations and finance.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchNorwood, MA, United StatesHQ recorded Sep 27, 202611-5026 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 27, 2026 · View company records in RevenueBase
19Exact matchColumbus, OH, United StatesHQ recorded Sep 27, 202611-5026 contacts →

Exact match

“PaperTrl is a fully integrated, cloud-based AP automation software solution that helps organizations-with a large or growing number of subcontractors, vendors, suppliers, service…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchAlpharetta, GA, United StatesHQ recorded Sep 27, 202611-5024 contacts →

Exact match

“BluePenguin provides electronification of a business customers’ accounts payable.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchNiles, IL, United StatesHQ recorded Sep 27, 202651-20023 contacts →

Exact match

“Eved is an AI-Led Global AP & Payments platform built for the events, media, and entertainment industries.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202611-5022 contacts →

Exact match

“CashLine manages the entire accounts receivable process so our customers can focus on running their business instead of chasing payments.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202651-20021 contacts →

Exact match

“Know More.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchGranger, IN, United StatesHQ recorded Sep 27, 202611-5019 contacts →

Exact match

“Easy Access is an industry leader in Accounts Payable automation.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchAliso Viejo, CA, United StatesHQ recorded Sep 27, 202611-5018 contacts →

Exact match

“DocuPhase, a leading provider of business process and accounting automation, document management, data capture, and payments technologies acquired iPayables in March 2023.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 123 accounts payable process outsourcing companies based in the United States

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Accounts payable process outsourcing companies based in the United States at a glance

As of Sep 27, 2026
42.1%Verified-email coverage
44.4Average contacts per company
11-50Median size (employees)
3.3%Largest-city concentration · Falls Church
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
49
11-50
44
51-200
18
201-500
5
501-1,000
2
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 123 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 “accounts payable process outsourcing companies” 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 2,300 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 27, 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 “accounts payable process outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounts payable process outsourcing companies are there based in the United States?

RevenueBase identified 123 company matches for accounts payable process outsourcing companies 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?

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

Which city has the most accounts payable process outsourcing companies?

Falls Church leads with 4 company records, followed by Portland (4) and New York (4).

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 2,300 professional contacts with verified work emails tracked across these 123 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 27, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase 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.