Company lists · Data refreshed September 2026
Top 25 Invoice audit software companies based in the United States
RevenueBase identified 75 invoice audit software companies headquartered in the United States as of September 2026 and tracks 2,958 professional contacts across them, including 717 with verified work emails. San Francisco is the largest hub.
This list covers invoice audit software companies headquartered in the United States, 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 28, 2026.
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 invoice audit software companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 359 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 270 contacts → | ||||
Indirect evidence “Ottimate is an AI-powered Accounts Payable automation platform that empowers finance teams to reduce costs, prevent overpayments, detect fraud, and enforce policy compliance…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 207 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 106 contacts → | ||||
Indirect evidence “Paymerang provides a streamlined finance automation platform that brings Accounts Payable departments into the modern age.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 102 contacts → | ||||
Indirect evidence “Discover Dollar started with the vision to help companies to discover value by harnessing internal data.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 100 contacts → | ||||
Partial evidence “Get paid an average of 36% faster than your existing accounts receivable (AR) processes with the only AR automation and digital invoicing platform built for B2B companies.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 75 contacts → | ||||
Indirect 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 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 32 contacts → | ||||
Partial evidence “Emendate is Leading Freight Invoice Verification and Payment Company with its presence all over the globe.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 28 contacts → | ||||
Partial evidence “At Zapro, we are committed to revolutionizing the procurement and invoicing landscape by providing innovative, user-friendly, and reliable solutions for businesses of all sizes.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 27 contacts → | ||||
Indirect evidence “Accumatic simplifies your accounting processes while increasing accuracy at the same time.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 24 contacts → | ||||
Strong evidence “Invoice Home is a leading invoice generating software designed for the invoicing needs of small businesses, freelancers, and entrepreneurs worldwide.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 22 contacts → | ||||
Partial evidence “SSI transforms the complexity of freight audit and freight payment into cash savings and business intelligence, providing actionable insights to maximize your profit potential.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 21 contacts → | ||||
Strong evidence “Navix automates freight audit & invoicing for freight brokers and 3PLs easily and delivers results immediately.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 20 contacts → | ||||
Indirect evidence “OneDataSource delivers dynamic SaaS Business Intelligence and Business Process Automation solutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 19 contacts → | ||||
Partial evidence “PLANERGY is revolutionizing Procurement & Invoice Processing.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 15 contacts → | ||||
Indirect evidence “Financial Operations Networks (FON) helps elevate the way that accounts payable and procurement teams work with suppliers.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 12 contacts → | ||||
Indirect evidence “Kapwork is the AI platform for Receivables Finance.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 11 contacts → | ||||
Partial evidence “Our mission is simple: bring clarity and control to complex audit workflows.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 11 contacts → | ||||
Partial evidence “TranscendAP's accounts payable automation platform integrates AI and machine learning to solve the invoice-to-pay process for mid-market and enterprise clients.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 11 contacts → | ||||
Indirect evidence “NextProcess brings a unique blend of technology and service expertise to the Procure to Pay ("P2P") marketplace.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 9 contacts → | ||||
Partial evidence “NovaData Solutions is a Philadelphia-based insure-tech company that is revolutionizing the auditing process of property restoration invoices with speed, accuracy and integrity.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 9 contacts → | ||||
Indirect evidence “CoreIntegrator's A/P One solution is fully customizable AP automation for mid market companies.” Source: RevenueBase Database · checked Sep 28, 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: invoice audit software companies. 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 invoice audit software companies.
- Partial evidence
- Its own public description names part of invoice audit software companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name invoice audit software companies. 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 75 invoice audit software companies based in the United States
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Invoice audit software companies 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 75 companies.
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 invoice audit software companies, 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.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “invoice audit software companies”. 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 invoice audit software companies), 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 invoice audit software companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- 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, 717 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 28, 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.
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 invoice audit software companies, 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 invoice audit software companies are there based in the United States?
RevenueBase identified 75 invoice audit software companies headquartered in the United States 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?
Tradeshift, headquartered in San Francisco, tops this list with the largest team on record.
Which city has the most invoice audit software companies?
San Francisco leads with 5 headquartered companies, followed by New York (3) and Portland (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 717 verified decision-maker contacts tracked across these 75 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 28, 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.
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