Company lists · Data refreshed September 2026
Top 25 Purchasing consulting firms worldwide
RevenueBase identified 6,200 purchasing consulting firms worldwide as of September 2026 and tracks 41,060 professional contacts across them, including 12,578 with verified work emails. The United States is the largest market and London the largest hub.
This list covers purchasing 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 purchasing 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 purchasing consulting firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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. | |||||
| 2 | 771 contacts → | ||||
Indirect evidence “Inverto is a leading global consultancy specializing in strategic procurement and supply chain management.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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. | |||||
| 4 | 450 contacts → | ||||
Indirect evidence “Established in 1992, ERA Group (ERA) is one of the world’s leading consultancy organizations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 429 contacts → | ||||
Indirect evidence “An innovative leader in procurement services and technology, LogicSource is purpose-built to drive profit improvement through better buying.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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. | |||||
| 7 | 366 contacts → | ||||
Indirect evidence “Turkey’s first and largest procurement and supply chain management company, KoçZer, carries out processes of thousands of companies with its experience of more than 20 years, its…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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. | |||||
| 9 | 356 contacts → | ||||
Indirect evidence “Avendra International is a leading strategic procurement and supply chain partner to a wide range of organizations worldwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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. | |||||
| 11 | 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. | |||||
| 12 | 312 contacts → | ||||
Indirect evidence “Based in Sterling, Virginia, iQuasar LLC, with over 20 years of experience, we help small and medium businesses grow in the federal marketplace through Proposal Development…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 310 contacts → | ||||
Partial evidence “Since 2005, Meotec's vision has been to position itself as an operational consulting firm evolving between strategy consulting firms and engineering companies.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 285 contacts → | ||||
Indirect evidence “Welcome to H&Z We offer more than successful strategy development.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 273 contacts → | ||||
Indirect evidence “PSMI was founded in 2005 with the sole objective of increasing operational effectiveness by reducing tooling and MRO spending.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 271 contacts → | ||||
Indirect evidence “Na Level Group, somos especialistas em fornecer soluções inovadoras de Supply Chain, gestão de fornecedores e tecnologia, focadas na otimização de processos e redução de custos.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 270 contacts → | ||||
Indirect evidence “WE ARE AQUANIMA GRUPO SANTANDER, a 100% SANTANDER company.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 267 contacts → | ||||
Indirect evidence “NPI is an IT procurement advisory services company that helps enterprises identify and eliminate overspending on IT purchases.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 260 contacts → | ||||
Indirect evidence “Every transformation starts with innovative ideas.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 218 contacts → | ||||
Indirect evidence “ProcureAbility, a Jabil Company, is the leading provider of procurement and supply chain services, offering advisory, managed services, digital, and staffing and recruiting…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 215 contacts → | ||||
Indirect evidence “PeersGroup est un cabinet de conseil en Management spécialisé en Performance Opérationnelle.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 190 contacts → | ||||
Indirect evidence “At Infosys Portland, we’re on a mission to lead our clients' procurement and supply chain functions into the future, while delivering value today.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 177 contacts → | ||||
Indirect evidence “Since 2006, CoreTrust has been the trusted, strategic procurement partner that helps impact-driven organizations do more with less.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 177 contacts → | ||||
Indirect evidence “شركة الزومان والفهد والحجاج للاستشارات المهنية” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 169 contacts → | ||||
Indirect evidence “Procure Analytics (PA) is the leading data-enabled procurement services company with over $2.5B in spend under management.” 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: purchasing 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 purchasing consulting firms.
- Partial evidence
- Its own public description names part of purchasing consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name purchasing 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 6,200 purchasing consulting firms worldwide
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Purchasing 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 purchasing 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 purchasing consulting firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “purchasing 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 purchasing 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 purchasing 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, 12,578 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.
Purchasing consulting firms by location
36 lists · largest firstEvery Purchasing consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Purchasing consulting firms based in the United States1,118
- Purchasing consulting firms based in the United Kingdom436
- Purchasing consulting firms based in Brazil399
- Purchasing consulting firms based in France372
- Purchasing consulting firms based in Germany274
- Purchasing consulting firms based in the Netherlands223
- Purchasing consulting firms based in India182
- Purchasing consulting firms based in Canada164
- Purchasing consulting firms based in Australia155
- Purchasing consulting firms based in Spain134
- Purchasing consulting firms based in Italy120
- Purchasing consulting firms based in Sweden116
- Purchasing consulting firms based in South Africa80
- Purchasing consulting firms based in Belgium77
- Purchasing consulting firms based in Switzerland77
- Purchasing consulting firms based in Mexico75
- Purchasing consulting firms based in the United Arab Emirates59
- Purchasing consulting firms based in Türkiye57
- Purchasing consulting firms based in Poland50
- Purchasing consulting firms based in Chile47
- Purchasing consulting firms based in Argentina46
- Purchasing consulting firms based in Denmark37
- Purchasing consulting firms based in Finland28
- Purchasing consulting firms based in Norway25
- Purchasing consulting firms based in Portugal25
Cities
- Purchasing consulting firms based in London, United Kingdom124
- Purchasing consulting firms based in Paris, France98
- Purchasing consulting firms based in Sao Paulo, Brazil94
- Purchasing consulting firms based in Stockholm, Sweden42
- Purchasing consulting firms based in Toronto, Canada41
- Purchasing consulting firms based in Houston, United States38
- Purchasing consulting firms based in Dubai, United Arab Emirates37
- Purchasing consulting firms based in New York, United States37
- Purchasing consulting firms based in Chicago, United States31
- Purchasing consulting firms based in Sydney, Australia30
- Purchasing consulting firms based in Atlanta, United States27
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 purchasing 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 purchasing consulting firms are there worldwide?
RevenueBase identified 6,200 purchasing 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?
Efficio, headquartered in London, tops this list with the largest team on record.
Which country has the most purchasing consulting firms?
The United States leads with 1,118 companies, followed by the United Kingdom (436) and Brazil (399). Every purchasing consulting firms list by country and city is linked on this page.
Which city has the most purchasing consulting firms?
London leads with 128 headquartered companies, followed by Paris (98) and Sao Paulo (94).
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 12,578 verified decision-maker contacts tracked across these 6,200 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.