Company lists · Data refreshed September 2026

Top 25 Outsourcing advisory firms worldwide

Name: Outsourcing advisory firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 39,835 companies tracked

RevenueBase identified 39,835 company matches for outsourcing advisory firms worldwide as of September 2026 and tracks 348,012 professional contacts across them, including 76,415 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for outsourcing advisory firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 2026. Country and city lists for outsourcing advisory firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built

39,835Companies

348,012Contacts tracked

76,415Verified emails

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The 25 largest outsourcing advisory firms worldwide

Ranked by team size

Top 25 of 39,835 company matches for outsourcing advisory firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Alvarez & Marsal	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	10001+	13,099 contacts →
	Exact match “Alvarez & Marsal is a leading global professional services firm dedicated to helping organizations tackle their most complex business issues, maximize stakeholder value, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Liderança Serviços	Exact match	São José, BrazilHQ recorded Sep 21, 2026	10001+	4,504 contacts →
	Exact match “Atuamos nos principais setores de terceirização, e somos pioneiros na implantação de contratos à distância.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	TOA Global	Exact match	Southport, AustraliaHQ recorded Sep 21, 2026	1,001-5,000	3,912 contacts →
	Exact match “Don’t wait until understaffing eats away at your productivity and client satisfaction.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Integreon	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	1,001-5,000	3,678 contacts →
	Exact match “Integreon is a trusted provider of legal, creative and business outsourced services to corporations and law firms worldwide.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	PT Danamas Insan Kreasi Andalan Dika	Exact match	Jakarta Pusat, IndonesiaHQ recorded Sep 21, 2026	1,001-5,000	2,036 contacts →
	Exact match “PT Danamas Insan Kreasi Andalan (DIKA) adalah solusi outsourcing terpercaya untuk membantu bisnis Anda tumbuh lebih cepat dan efisien.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Covalen	Exact match	Dublin 4, IrelandHQ recorded Sep 21, 2026	1,001-5,000	2,020 contacts →
	Exact match “Hello.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	J.S. Held LLC	Exact match	Jericho, NY, PalestineHQ recorded Sep 21, 2026	1,001-5,000	1,954 contacts →
	Exact match “J.S.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Emagine	Exact match	Copenhagen, DenmarkHQ recorded Sep 21, 2026	1,001-5,000	1,636 contacts →
	Exact match “emagine is a high-end business & IT consulting company challenging the way businesses leverage high-end expertise.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Gemini Solutions PVT LTD	Exact match	Gurgaon, IndiaHQ recorded Sep 21, 2026	1,001-5,000	1,275 contacts →
	Exact match “Gemini Solutions is a global IT firm, a leading offshore outsourcing company with a specialized focus in financial services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Information Evolution, INC	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	501-1,000	1,238 contacts →
	Exact match “We are a boutique outsourcing firm specializing in keeping our customers' databases up-to-date, accurate, and as robust as possible.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Cygnus	Exact match	Santiago, ChileHQ recorded Sep 21, 2026	5,001-10,000	1,189 contacts →
	Exact match “Cygnus comienza sus operaciones en Abril de 1998 con el objetivo de ofrecer servicios de Outsourcing con una propuesta de valor innovadora: entregar soluciones a la medida de los…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Riveron	Exact match	Dallas, TX, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,160 contacts →
	Exact match “With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	W3global	Exact match	Frisco, TX, United StatesHQ recorded Sep 21, 2026	501-1,000	1,149 contacts →
	Exact match “W3Global is a leading provider of end-to-end consulting services, empowering businesses to achieve their strategic goals and optimize their operations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	crystel.co	Exact match	Amman, JordanHQ recorded Sep 21, 2026	1,001-5,000	1,128 contacts →
	Exact match “Crystel emerged as a leading Outsourcing Service Provider (OSP) since its establishment in Jordan in early 2007.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Zinnov	Exact match	The Woodlands, TX, United StatesHQ recorded Sep 21, 2026	201-500	1,101 contacts →
	Exact match “Zinnov is a full-stack global management consulting firm specializing in GCC set-up and scale-up, M&A, PE advisory, AI strategy, and partner ecosystem growth for technology…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	COGEP	Exact match	Saint-doulchard, FranceHQ recorded Sep 21, 2026	1,001-5,000	1,051 contacts →
	Exact match “Une vision augmentée du conseil au service de votre réussite.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Paperchase Accountancy GDC	Exact match	Ahmedabad, IndiaHQ recorded Sep 21, 2026	1,001-5,000	1,026 contacts →
	Exact match “Paperchase Accountancy is a leading hospitality and consulting firm.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Eclaro	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,024 contacts →
	Exact match “ECLARO is an award-winning Talent Solutions firm headquartered in New York City and operating in the U.S, Canada and the Philippines.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Inelcom, Ingeniería Electrónica Comercial	Exact match	Pozuelo De Alarcón, SpainHQ recorded Sep 21, 2026	1,001-5,000	1,007 contacts →
	Exact match “Specialized services in order to provide to other companies outsourcing for activities, improving its performance and cost.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Head Field Solutions Pvt. LTD	Exact match	Uttar Pradesh, IndiaHQ recorded Sep 21, 2026	1,001-5,000	934 contacts →
	Exact match “We, at Head Field, are a force to reckon with in offering total staffing solutions to offshore clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Solvo Global Careers	Exact match	Medellín, ColombiaHQ recorded Sep 21, 2026	1,001-5,000	933 contacts →
	Exact match “Solvo is a strategic partner in North America which provides back-office support for US-based companies and turns it into our front office.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Eight Advisory	Exact match	Paris, FranceHQ recorded Sep 21, 2026	501-1,000	895 contacts →
	Exact match “Eight Advisory, Europe's leading independent advisory firm specialising in financial, operational and strategy consulting, is involved in transactions, restructuring and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Perella Weinberg	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	501-1,000	883 contacts →
	Exact match “Perella Weinberg is a leading global independent financial services firm, founded in 2006 to address the need for experienced, trusted and unconflicted advice in the financial…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Servestsa	Exact match	Caracas, VenezuelaHQ recorded Sep 21, 2026	n/a	865 contacts →
	Exact match “Statistics first” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Connext	Exact match	Honolulu, United StatesHQ recorded Sep 21, 2026	5,001-10,000	854 contacts →
	Exact match “Most outsourcing companies give you a vendor.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “outsourcing advisory firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 39,835 outsourcing advisory firms worldwide

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Outsourcing advisory firms worldwide at a glance

As of Sep 21, 2026

22.0%Verified-email coverage

8.7Average contacts per company

1-10Median size (employees)

2.2%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

27,103

11-50

9,449

51-200

2,193

201-500

548

501-1,000

207

1,001-5,000

164

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for outsourcing advisory firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “outsourcing advisory firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 76,415 professional contacts with verified work emails across the full matched dataset. 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.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Outsourcing advisory firms by location

197 lists · largest first

Every Outsourcing advisory 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 SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “outsourcing advisory firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outsourcing advisory firms are there worldwide?

RevenueBase identified 39,835 company matches for outsourcing advisory firms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Alvarez & Marsal tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most outsourcing advisory firms?

The United States leads with 6,806 companies, followed by India (3,430) and Brazil (2,372). Every outsourcing advisory firms list by country and city is linked on this page.

Which city has the most outsourcing advisory firms?

London leads with 886 company records, followed by Sao Paulo (685) and Paris (501).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 76,415 professional contacts with verified work emails tracked across these 39,835 companies; direct dials are available where recorded.

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 SmartSearch, 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.