Company lists · Data refreshed September 2026
Top 25 Outsource invoice processing services worldwide
RevenueBase identified 255 outsource invoice processing services worldwide as of September 2026 and tracks 5,960 professional contacts across them, including 1,510 with verified work emails. The United States is the largest market and Ahmedabad the largest hub.
This list covers outsource invoice processing services 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 outsource invoice processing services 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 outsource invoice processing services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 831 contacts → | ||||
Partial 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. | |||||
| 2 | 784 contacts → | ||||
Strong 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. | |||||
| 3 | 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. | |||||
| 4 | 247 contacts → | ||||
Partial evidence “Ropo is the Nordic market leader and original pioneer, transforming the invoicing flow end-to-end.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 197 contacts → | ||||
Partial evidence “Artec provides outsourcing for F&A and Procurement processes by using state of the art technologies and lean thinking approach for business flow re-engineering.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 160 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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. | |||||
| 8 | 130 contacts → | ||||
Strong evidence “Webexpenses is a leading provider of Expense Management, Invoice Processing, and Payments solutions, helping businesses of all sizes across 70+ countries streamline processes and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 124 contacts → | ||||
Partial 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 “Organização Mecano Contábil” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 75 contacts → | ||||
Indirect 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. | |||||
| 12 | 75 contacts → | ||||
Partial evidence “Symtrax delivers solutions that streamline AP/AR processing, ensure compliance, and integrate seamlessly with the ERP systems of mid-sized and large companies.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 59 contacts → | ||||
Indirect evidence “Founded in 2015, Taskflow Answer has aggressively grown to 150-plus employees.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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. | |||||
| 15 | 55 contacts → | ||||
Indirect 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. | |||||
| 16 | 45 contacts → | ||||
Indirect 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. | |||||
| 17 | 43 contacts → | ||||
Strong evidence “Let AI take care of invoice processing.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 43 contacts → | ||||
Partial evidence “Since 2015, MyOffice Answer India Pvt Ltd, a division of MyOffice Answer LLC, has been known for offering straightforward but distinctive billing processing solutions and services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 41 contacts → | ||||
Indirect evidence “For close to 30 years, INTEGRIM has been helping organizations enhance productivity and efficiency by using innovative technology to simplify and automate their operating…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 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. | |||||
| 21 | 36 contacts → | ||||
Partial 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. | |||||
| 22 | 35 contacts → | ||||
Indirect evidence “We help businesses simplify their payment processes, optimise their operations and delight their customers.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 34 contacts → | ||||
Indirect evidence “POM - Peace of Mind POM helps organizations in various sectors to collect better, faster, more customer-friendly and more socially, at lower costs.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 29 contacts → | ||||
Indirect evidence “About Conversion Technologies International, Inc.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 27 contacts → | ||||
Indirect evidence “Accumatic simplifies your accounting processes while increasing accuracy at the same time.” 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: outsource invoice processing services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names outsource invoice processing services.
- Partial evidence
- Its own public description names part of outsource invoice processing services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name outsource invoice processing services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 255 outsource invoice processing services worldwide
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Outsource invoice processing services 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 outsource invoice processing services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for outsource invoice processing services are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “outsource invoice processing services”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names outsource invoice processing services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among outsource invoice processing services, 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, 1,510 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.
Outsource invoice processing services by location
1 lists · largest firstEvery Outsource invoice processing services 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 outsource invoice processing services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many outsource invoice processing services are there worldwide?
RevenueBase identified 255 outsource invoice processing services 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?
IQ Backoffice, headquartered in Taguig Manila, tops this list with the largest team on record.
Which country has the most outsource invoice processing services?
The United States leads with 60 companies. Every outsource invoice processing services list by country and city is linked on this page.
Which city has the most outsource invoice processing services?
Ahmedabad leads with 4 headquartered companies, followed by Bangalore (4) and London (4).
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 1,510 verified decision-maker contacts tracked across these 255 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.