Company lists · Data refreshed October 2026

Top 25 Insurance advisory services worldwide

RevenueBase identified 40,365 company matches for insurance advisory services worldwide as of October 2026 and tracks 835,119 professional contacts across them, including 306,078 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for insurance advisory services 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 October 16, 2026. Country and city lists for insurance advisory services 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 Oct 16, 2026 How this list was built
40,365Companies
835,119Contacts tracked
306,078Verified emails
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The 25 largest insurance advisory services worldwide

Ranked by team size
Top 25 of 40,365 company matches for insurance advisory services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Oct 16, 202610001+67,294 contacts →

Exact match

“We exist to shape decisions for the better, to protect and enrich the lives of people around the world.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Oct 16, 202610001+33,538 contacts →

Exact match

“Travelers provides insurance coverage to protect the things that are important to you – your home, your car, your valuables and your business.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Oct 16, 202610001+20,629 contacts →

Exact match

“At Mercer, A Marsh business, we’re helping our clients realize their investment objectives, shape the future of work, and enhance health and retirement outcomes for their people.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United StatesHQ recorded Oct 16, 202610001+14,807 contacts →

Exact match

“Hi, we’re HUB.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5Exact matchDallas, TX, United StatesHQ recorded Oct 16, 202610001+14,330 contacts →

Exact match

“What makes Lockton stand apart is also what makes us better: independence.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6Exact matchValhalla, NY, United StatesHQ recorded Oct 16, 202610001+10,601 contacts →

Exact match

“USI is one of the largest insurance brokerage and consulting firms in the world, delivering property and casualty, employee benefits, personal risk, program and retirement…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
7Exact matchHamilton, BermudaHQ recorded Oct 16, 202610001+10,174 contacts →

Exact match

“We are a leading provider of insurance and reinsurance offering innovative risk management solutions for businesses worldwide.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8Exact matchWhite Plains, NY, United StatesHQ recorded Oct 16, 202610001+9,548 contacts →

Exact match

“Marsh McLennan Agency, a business of Marsh (NYSE: MRSH), is a leading provider of business insurance, employee health & benefits, retirement & wealth, and private client insurance…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9Exact matchMexicoHQ recorded Oct 16, 20261,001-5,0008,996 contacts →

Exact match

“Desde diciembre de 1996 trabajamos para ser los mejores asesores en retiro de las familias mexicanas.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Oct 16, 202610001+8,763 contacts →

Exact match

“We help our clients and colleagues grow, and our communities thrive, by protecting and promoting Possibility.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Oct 16, 20265,001-10,0008,633 contacts →

Exact match

“At Oliver Wyman, a Marsh business, we bring deep industry insight, bold innovation, and a collaborative approach that cuts through complexity to help organizations navigate their…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Oct 16, 20265,001-10,0006,658 contacts →

Exact match

“As the leading independent provider of risk and financial advisory solutions, Kroll leverages our unique insights, data and technology to help clients stay ahead of complex…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13Exact matchIrvine, CA, United StatesHQ recorded Oct 16, 202610001+6,474 contacts →

Exact match

“Alliant Insurance Services is among the top 5 largest and fastest-growing insurance brokerage and consulting firms in the United States.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14Exact matchSeattle, WA, United StatesHQ recorded Oct 16, 20261,001-5,0004,396 contacts →

Exact match

“Milliman is among the world’s largest independent actuarial and consulting firms.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Oct 16, 20265,001-10,0004,359 contacts →

Exact match

“NFP, an Aon company, helps companies and individuals address today’s most significant Risk Capital and Human Capital challenges.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16Exact matchHanover, GermanyHQ recorded Oct 16, 20265,001-10,0003,949 contacts →

Exact match

“HDI Global SE – Your Trusted Partner in Transformation Companies in the trading, manufacturing, and service industries need a reliable insurance partner.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Oct 16, 20261,001-5,0003,643 contacts →

Exact match

“At Guy Carpenter, a Marsh business, we deliver a powerful combination of (re)insurance broking expertise, capital solutions, global analytics, advisory, and client support…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18Exact matchBrea, CA, United StatesHQ recorded Oct 16, 20265,001-10,0003,339 contacts →

Exact match

“At Mercury, we have been guided by our purpose to help people reduce risk and overcome unexpected events for more than 60 years.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Oct 16, 20261,001-5,0003,303 contacts →

Exact match

“With 100+ years of experience across leading industries, We apply an innovation mindset, agile approach, And a global team with local expertise wherever you operate.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
20Exact matchGlen Allen, VA, United StatesHQ recorded Oct 16, 20261,001-5,0003,224 contacts →

Exact match

“As the insurance operations within the Markel Group Inc.(NYSE: MKL), we leverage a broad array of capabilities and expertise to create intelligent solutions for the most complex…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21Exact matchCharlotte, NC, United StatesHQ recorded Oct 16, 20265,001-10,0003,207 contacts →

Exact match

“CRC Group is all about progress.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22Exact matchBranchville, NJ, United StatesHQ recorded Oct 16, 20261,001-5,0003,003 contacts →

Exact match

“At Selective, we maintain a commitment to provide unique insurance solutions that help keep the families and businesses of our communities protected.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23Exact matchCharlotte, NC, United StatesHQ recorded Oct 16, 20261,001-5,0002,827 contacts →

Exact match

“When it comes to protecting what matters most in business and everyday life, at McGriff we believe our clients should never settle for less than the best.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
24Exact matchRolling Meadows, IL, United StatesHQ recorded Oct 16, 202610001+2,771 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25Exact matchDenver, CO, United StatesHQ recorded Oct 16, 20261,001-5,0002,610 contacts →

Exact match

“With over four decades of experience in the industry, IMA has become a trusted leader in commercial insurance, risk management, surety, and employee benefits brokerage and…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase

Showing 25 of 40,365 insurance advisory services worldwide

See the full list, filter by size, metro and specialty, and access 306,078 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Insurance advisory services worldwide at a glance

As of Oct 16, 2026
36.7%Verified-email coverage
20.7Average contacts per company
1-10Median size (employees)
2.6%Largest-city concentration · Sao Paulo
Oct 16, 2026Page data refreshed

Companies by employee count

1-10
25,671
11-50
10,838
51-200
2,387
201-500
522
501-1,000
162
1,001-5,000
243
5,001-10,000
52
10001+
287

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 insurance advisory services are linked below.
What qualifies
Company records worldwide whose business descriptions match “insurance advisory services” 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 306,078 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 October 16, 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.

Insurance advisory services by location

189 lists · largest first

Every Insurance advisory services 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 “insurance advisory services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many insurance advisory services are there worldwide?

RevenueBase identified 40,365 company matches for insurance advisory services worldwide as of October 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?

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

Which country has the most insurance advisory services?

The United States leads with 12,549 companies, followed by Brazil (3,454) and the United Kingdom (2,042). Every insurance advisory services list by country and city is linked on this page.

Which city has the most insurance advisory services?

Sao Paulo leads with 1047 company records, followed by London (367) and Paris (299).

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 306,078 professional contacts with verified work emails tracked across these 40,365 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 October 16, 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.