Company lists · Data refreshed September 2026
Top 25 Purchase-to-pay consulting firms worldwide
RevenueBase identified 3,333 purchase-to-pay consulting firms worldwide as of September 2026 and tracks 48,743 professional contacts across them, including 18,469 with verified work emails. The United States is the largest market and London the largest hub.
This list covers purchase-to-pay consulting firms 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 29, 2026. Country and city lists for purchase-to-pay consulting firms 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 purchase-to-pay consulting firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,688 contacts → | ||||
Indirect evidence “SAP Ariba solutions are SAP’s cloud based procurement and spend management portfolio for procurement, finance, and supply chain teams.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,810 contacts → | ||||
Indirect evidence “AvidXchange is the AI-powered accounts payable (AP) and payments solution built for mid-market businesses.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,615 contacts → | ||||
Indirect evidence “PRGX ensures the integrity of the S2P process.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,556 contacts → | ||||
Indirect evidence “Basware is how the world’s best finance teams gain complete control of every invoice, every time.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,304 contacts → | ||||
Indirect evidence “Efficio is a global leader in procurement and supply chain management and transformation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,286 contacts → | ||||
Indirect evidence “JAGGAER is a global leader in enterprise procurement and supplier collaboration, and the catalyst for enhancing human decision-making to accelerate business outcomes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 760 contacts → | ||||
Indirect evidence “Serrala is the global market leader and innovator in finance process automation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 683 contacts → | ||||
Indirect evidence “Esker’s AI Automation Suite for the Office of the CFO leverages the latest in Agentic AI and automation technologies to optimize working capital and cashflow, enhance strategic…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 588 contacts → | ||||
Indirect evidence “Chain IQ is a global AI-driven Procurement Service Partner, providing strategic, tactical and operational procurement for its clients.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 557 contacts → | ||||
Indirect evidence “The Resource Group, LLC is a business transformation services organization that specializes in the area of non-payroll spend management and the processes required to sustain the…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 473 contacts → | ||||
Indirect evidence “Workrise is now RigUp.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 459 contacts → | ||||
Indirect evidence “Corcentric is a leading global provider of best-in-class procurement and finance solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 418 contacts → | ||||
Indirect evidence “Proxima works with Chief Procurement Officers who expect procurement to deliver measurable performance, support growth, and lead with confidence.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 412 contacts → | ||||
Indirect evidence “Esker is a global cloud platform built to unlock strategic value for finance and customer service professionals and strengthen collaboration between companies by automating the…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 363 contacts → | ||||
Partial evidence “KLB Group is an international consulting firm specializing in operational performance for more than 25 years and bringing together nearly 750 employees worldwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 359 contacts → | ||||
Indirect 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 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 347 contacts → | ||||
Partial evidence “Proactis is a leading Source-to-Pay software solution provider for service-led industries.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 343 contacts → | ||||
Partial evidence “Stampli helps finance teams achieve stress-free finance by through a Procure-to-Pay solution that works for you.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 318 contacts → | ||||
Indirect evidence “Innoha, acteur majeur des achats en France est une entreprise qui place l'humain au cœur de son aventure et offre une opportunité unique de rejoindre une équipe engagée et…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 318 contacts → | ||||
Indirect evidence “Spendesk is the AI-powered spend management and procurement platform that transforms company spending.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 317 contacts → | ||||
Indirect evidence “apsolut has won the SAP Ariba Partner of the Year award in the MEE region eight times in a row.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 313 contacts → | ||||
Indirect evidence “ATS – 40 Years: Advancing Projects, Boosting Profits, and Cutting Costs For over 40 years, ATS has partnered with organizations worldwide to deliver outstanding results.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 300 contacts → | ||||
Indirect evidence “As part of GEP, a global leader in AI-driven procurement and supply chain solutions, we deliver e-invoicing, O2C and P2P messaging, AP automation and advanced procurement…” Source: RevenueBase Database · checked Sep 29, 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: purchase-to-pay consulting firms. 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 purchase-to-pay consulting firms.
- Partial evidence
- Its own public description names part of purchase-to-pay consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name purchase-to-pay consulting firms. 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 3,333 purchase-to-pay consulting firms worldwide
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Purchase-to-pay consulting firms worldwide at a glance
As of Sep 29, 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 purchase-to-pay consulting firms, 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 purchase-to-pay consulting firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “purchase-to-pay consulting firms”. 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 purchase-to-pay consulting firms), 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 purchase-to-pay consulting firms, 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, 18,469 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 29, 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.
Purchase-to-pay consulting firms by location
23 lists · largest firstEvery Purchase-to-pay consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Purchase-to-pay consulting firms based in the United States501
- Purchase-to-pay consulting firms based in the United Kingdom282
- Purchase-to-pay consulting firms based in France246
- Purchase-to-pay consulting firms based in Germany176
- Purchase-to-pay consulting firms based in Brazil170
- Purchase-to-pay consulting firms based in the Netherlands168
- Purchase-to-pay consulting firms based in India115
- Purchase-to-pay consulting firms based in Australia100
- Purchase-to-pay consulting firms based in Canada91
- Purchase-to-pay consulting firms based in Sweden78
- Purchase-to-pay consulting firms based in Spain67
- Purchase-to-pay consulting firms based in Belgium49
- Purchase-to-pay consulting firms based in South Africa42
- Purchase-to-pay consulting firms based in Italy38
- Purchase-to-pay consulting firms based in Switzerland38
- Purchase-to-pay consulting firms based in Colombia34
- Purchase-to-pay consulting firms based in the United Arab Emirates34
- Purchase-to-pay consulting firms based in Denmark33
- Purchase-to-pay consulting firms based in Türkiye31
Cities
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 purchase-to-pay consulting firms, 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 purchase-to-pay consulting firms are there worldwide?
RevenueBase identified 3,333 purchase-to-pay consulting firms 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?
SAP Ariba, headquartered in Walldorf, tops this list with the largest team on record.
Which country has the most purchase-to-pay consulting firms?
The United States leads with 501 companies, followed by the United Kingdom (282) and France (246). Every purchase-to-pay consulting firms list by country and city is linked on this page.
Which city has the most purchase-to-pay consulting firms?
London leads with 82 headquartered companies, followed by Paris (71) and Sao Paulo (40).
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 18,469 verified decision-maker contacts tracked across these 3,333 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 29, 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.