Company lists · Data refreshed September 2026
Top 25 Accounts payable outsource providers worldwide
RevenueBase identified 173 accounts payable outsource providers worldwide as of September 2026 and tracks 6,467 professional contacts across them, including 2,934 with verified work emails. The United States is the largest market and Falls Church the largest hub.
This list covers accounts payable outsource providers worldwide, 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. Country and city lists for accounts payable outsource providers follow the table.
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 accounts payable outsource providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,810 contacts → | ||||
Strong evidence “AvidXchange is the AI-powered accounts payable (AP) and payments solution built for mid-market businesses.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 831 contacts → | ||||
Strong evidence “IQ BackOffice is the leading accounting Business Process Outsourcing and Automation provider, offering 99.97% quality and up to 68% savings to companies around the globe.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 784 contacts → | ||||
Indirect evidence “Medius links invoice capture, processing, and payment to replace the worry and wondering of managing AP with calm and confidence.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 389 contacts → | ||||
Indirect evidence “A Qive é a plataforma líder do contas a pagar para empresas que focam em consistência, governança e escala em sua gestão financeira.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 298 contacts → | ||||
Indirect evidence “At Circulus, we provide Product and Service Offerings designed to Optimize, Augment, and Automate AP Processes.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 182 contacts → | ||||
Strong evidence “Traild is a deeply integrated Accounts Payable solution focused on twin issues, AP efficiency and Financial Control.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 180 contacts → | ||||
Indirect evidence “We’re on a mission to simplify AP and payment processes and make them (actually) enjoyable.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 132 contacts → | ||||
Partial evidence “Regulus Group is the premier provider of outsourced billing and payment services designed to accelerate cash, improve corporate productivity and reduce overall management costs.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 124 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 108 contacts → | ||||
Indirect evidence “Nexus, a Bottomline Technologies company, provides the only AP & Payments Automation Platform built specifically for Real Estate.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 108 contacts → | ||||
Indirect evidence “Organização Mecano Contábil” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 100 contacts → | ||||
Strong evidence “MineralTree provides the easiest to use Accounts Payable (AP) and Payment Automation solutions for finance professionals.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 75 contacts → | ||||
Strong evidence “Symbeo helps businesses everywhere build efficiencies between payors and payees for corporate accounts payable (AP) business-to-business transactions with true AP automation.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 74 contacts → | ||||
Indirect evidence “Automate your entire AP workflow the right way, from purchase orders to payments.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 57 contacts → | ||||
Indirect evidence “Transcepta automates the AP process, end to end.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 55 contacts → | ||||
Strong evidence “Leverage the innovative power of Cisbox to manage your accounts payable.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 45 contacts → | ||||
Strong evidence “Ascend is a leading provider of Accounts Payable (AP) automation solutions for medium and large enterprises in the cloud.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 42 contacts → | ||||
Indirect evidence “At Compleat we have one goal - to enable businesses to achieve the extraordinary.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 40 contacts → | ||||
Indirect evidence “Gestão financeira e consultoria em processos pra você focar no core business do seu negócio.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 36 contacts → | ||||
Strong evidence “LBMC W Squared provides outsourced solutions including finance & accounting, accounts receivable, and accounts payable.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 26 contacts → | ||||
Strong evidence “SX Business Services is an outsourced accounting company based out of 661 Pleasant Street Norwood, MA, United States.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 26 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 22 contacts → | ||||
Strong evidence “We optimize financial management for global companies by automating Accounts Payable and Accounts Receivable with advanced technologies such as Artificial Intelligence, BPM, and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 21 contacts → | ||||
Indirect evidence “Invoway es una plataforma en la nube que permite la recepción de las facturas, la validación, las aprobaciones a lo lardo proceso de cuentas por pagar.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 20 contacts → | ||||
Strong evidence “Synergy Accounting Services is a young and fast growing finance and accounts outsourcing company primarily dealing with CPAs and accounting firms across the United States of…” 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: accounts payable outsource providers. 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 accounts payable outsource providers.
- Partial evidence
- Its own public description names part of accounts payable outsource providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name accounts payable outsource providers. 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 173 accounts payable outsource providers worldwide
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Accounts payable outsource providers worldwide at a glance
As of Sep 21, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 accounts payable outsource providers, 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.
- Coverage
- Every country. Country and city lists for accounts payable outsource providers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “accounts payable outsource providers”. 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 accounts payable outsource providers), 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 accounts payable outsource providers, and records with no verified work email.
- 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, 2,934 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.
Accounts payable outsource providers by location
2 lists · largest firstEvery Accounts payable outsource providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 accounts payable outsource providers, 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 accounts payable outsource providers are there worldwide?
RevenueBase identified 173 accounts payable outsource providers worldwide 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?
Avidxchange, INC, headquartered in Charlotte, tops this list with the largest team on record.
Which country has the most accounts payable outsource providers?
The United States leads with 67 companies, followed by Brazil (25). Every accounts payable outsource providers list by country and city is linked on this page.
Which city has the most accounts payable outsource providers?
Falls Church leads with 4 headquartered companies, followed by Boston (3) and Kolkata (3).
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 2,934 verified decision-maker contacts tracked across these 173 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.