Company lists · Data refreshed September 2026

Top 25 Procurement optimization consulting firms worldwide

Name: Procurement optimization consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 18,226 companies tracked

RevenueBase identified 18,226 procurement optimization consulting firms worldwide as of September 2026 and tracks 133,649 professional contacts across them, including 39,778 with verified work emails. The United States is the largest market and London the largest hub.

This list covers procurement optimization 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 procurement optimization 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review

18,226Companies

133,649Contacts tracked

39,778Verified emails

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The 25 largest procurement optimization consulting firms worldwide

Ranked by team size

Top 25 of 18,226 procurement optimization consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to procurement optimization consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	GEP Worldwide	Partial evidence	Clark, NJ, United StatesHQ checked Sep 29, 2026	1,001-5,000	6,493 contacts →
	Partial evidence “GEP® delivers AI-native procurement and supply chain solutions that help global enterprises become more agile and resilient, operate more efficiently and effectively, gain…” Source: RevenueBase Database · checked Sep 29, 2026
2	Eficacia	Indirect evidence	Cali, ColombiaHQ checked Sep 29, 2026	10001+	4,692 contacts →
	Indirect evidence “Incrementamos la productividad y eficiencia de nuestros clientes- Más de 40 años de experiencia en el mercado- Líderes en Soluciones de Mercadeo, Trade Marketing, Ventas y Gestión…” Source: RevenueBase Database · checked Sep 29, 2026
3	Unipart	Indirect evidence	Oxford, United KingdomHQ checked Sep 29, 2026	10001+	3,205 contacts →
	Indirect evidence “Unipart is a supply chain performance improvement partner, delivering efficiency, resilience, and sustainability across multiple sectors.” Source: RevenueBase Database · checked Sep 29, 2026
4	MRO	Indirect evidence	Rio De Janeiro, BrazilHQ checked Sep 29, 2026	1,001-5,000	1,581 contacts →
	Indirect evidence “Nós acreditamos que recursos são preciosos e precisam ser bem geridos para se perpetuar.” Source: RevenueBase Database · checked Sep 29, 2026
5	4flow	Partial evidence	Berlin, GermanyHQ checked Sep 29, 2026	1,001-5,000	1,363 contacts →
	Partial evidence “4flow is a global leading provider of supply chain consulting, software and managed services.” Source: RevenueBase Database · checked Sep 29, 2026
6	Efficio	Partial evidence	London, United KingdomHQ checked Sep 29, 2026	1,001-5,000	1,304 contacts →
	Partial evidence “Efficio is a global leader in procurement and supply chain management and transformation.” Source: RevenueBase Database · checked Sep 29, 2026
7	Jaggaer	Partial evidence	Durham, NC, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,286 contacts →
	Partial 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, 2026
8	ACP Gruppe	Partial evidence	Wien Und München, AustriaHQ checked Sep 29, 2026	1,001-5,000	1,076 contacts →
	Partial evidence “ACP bietet herstellerunabhängig Consulting, Beschaffung und Integration, Managed Services, Datacenter Services sowie IT-Finanzierung für das gesamte IT-Sortiment und betreut…” Source: RevenueBase Database · checked Sep 29, 2026
9	Inverto A BCG Company	Partial evidence	Cologne, GermanyHQ checked Sep 29, 2026	501-1,000	771 contacts →
	Partial evidence “Inverto is a leading global consultancy specializing in strategic procurement and supply chain management.” Source: RevenueBase Database · checked Sep 29, 2026
10	Foodbuy USA	Partial evidence	Charlotte, NC, United StatesHQ checked Sep 29, 2026	501-1,000	589 contacts →
	Partial evidence “Foodbuy, LLC is the foodservice industry’s leading procurement services organization focused on lowering purchasing and product costs for both our parent company, Compass Group…” Source: RevenueBase Database · checked Sep 29, 2026
11	Chain IQ Group AG	Partial evidence	Baar, SwitzerlandHQ checked Sep 29, 2026	501-1,000	588 contacts →
	Partial 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, 2026
12	The Resource Group, Spend Management Solutions	Indirect evidence	St. Louis, MO, United StatesHQ checked Sep 29, 2026	201-500	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, 2026
13	Tendersinfo	Partial evidence	Mumbai, IndiaHQ checked Sep 29, 2026	201-500	497 contacts →
	Partial evidence “About TendersInfo – Your Global Gateway to Public Procurement Success TendersInfo, a flagship brand of Euclid Infotech Ltd, stands as one of the world's largest and most…” Source: RevenueBase Database · checked Sep 29, 2026
14	Exiros	Partial evidence	Amsterdam, United StatesHQ checked Sep 29, 2026	501-1,000	485 contacts →
	Partial evidence “Exiros is a global company that offers integral procurement solutions, from supplier scouting activities to inventory management, including trading of raw materials, production…” Source: RevenueBase Database · checked Sep 29, 2026
15	Corbus, LLC	Indirect evidence	West Carrollton, OH, United StatesHQ checked Sep 29, 2026	501-1,000	466 contacts →
	Indirect evidence “We are the business solutions and transformation experts who clients turn to for innovative, agile solutions.” Source: RevenueBase Database · checked Sep 29, 2026
16	Corcentric	Partial evidence	Cherry Hill, NJ, United StatesHQ checked Sep 29, 2026	501-1,000	459 contacts →
	Partial evidence “Corcentric is a leading global provider of best-in-class procurement and finance solutions.” Source: RevenueBase Database · checked Sep 29, 2026
17	ERA Group - Emea	Indirect evidence	West Malling, United StatesHQ checked Sep 29, 2026	501-1,000	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, 2026
18	MBA	Indirect evidence	London, United KingdomHQ checked Sep 29, 2026	51-200	434 contacts →
	Indirect evidence “MBA: The Acceleration Agents, where digital and direct interconnect.” Source: RevenueBase Database · checked Sep 29, 2026
19	Logicsource, INC	Partial evidence	Westport, CT, United StatesHQ checked Sep 29, 2026	201-500	429 contacts →
	Partial 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, 2026
20	Proxima	Partial evidence	London, United KingdomHQ checked Sep 29, 2026	201-500	418 contacts →
	Partial 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, 2026
21	SIEVO	Partial evidence	Helsinki, FinlandHQ checked Sep 29, 2026	201-500	402 contacts →
	Partial evidence “Sievo provides actionable procurement analytics based on data you can trust.” Source: RevenueBase Database · checked Sep 29, 2026
22	3eriza	Indirect evidence	Surquillo, PeruHQ checked Sep 29, 2026	1,001-5,000	391 contacts →
	Indirect evidence “3eriza es una consultora especializada en el diseño, implementación y optimización de la provisión de servicios a empresas, brindando soporte en dos frentes: Asesorando a empresas…” Source: RevenueBase Database · checked Sep 29, 2026
23	Koçzer	Partial evidence	Istanbul, TürkiyeHQ checked Sep 29, 2026	201-500	366 contacts →
	Partial 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, 2026
24	APA Engineering INC	Indirect evidence	Mount Laurel, NJ, United StatesHQ checked Sep 29, 2026	201-500	364 contacts →
	Indirect evidence “APA Engineering Inc has been a leader in providing Compliance, Engineering, IT, and Sourcing services since With over twenty years in business, we are dedicated to providing the…” Source: RevenueBase Database · checked Sep 29, 2026
25	KLB	Partial evidence	Vincennes, MexicoHQ checked Sep 29, 2026	501-1,000	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, 2026

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: procurement optimization 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 procurement optimization consulting firms.
Partial evidence: Its own public description names part of procurement optimization consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name procurement optimization 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 18,226 procurement optimization consulting firms worldwide

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Procurement optimization consulting firms worldwide at a glance

As of Sep 29, 2026

29.8%Verified-email coverage

7.3Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · London

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

13,559

11-50

3,591

51-200

765

201-500

166

501-1,000

1,001-5,000

5,001-10,000

10001+

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 procurement optimization 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 procurement optimization consulting firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “procurement optimization 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 procurement optimization 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 procurement optimization 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, 39,778 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.

Procurement optimization consulting firms by location

86 lists · largest first

Every Procurement optimization consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 procurement optimization 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 procurement optimization consulting firms are there worldwide?

RevenueBase identified 18,226 procurement optimization 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?

GEP Worldwide, headquartered in Clark, tops this list with the largest team on record.

Which country has the most procurement optimization consulting firms?

The United States leads with 3,244 companies, followed by Brazil (1,175) and the United Kingdom (1,138). Every procurement optimization consulting firms list by country and city is linked on this page.

Which city has the most procurement optimization consulting firms?

London leads with 329 headquartered companies, followed by Sao Paulo (282) and Paris (220).

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 39,778 verified decision-maker contacts tracked across these 18,226 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.