Company lists · Data refreshed September 2026

Top 25 Excess and surplus brokers worldwide

RevenueBase identified 6,307 excess and surplus brokers worldwide as of September 2026 and tracks 212,564 professional contacts across them, including 105,745 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers excess and surplus brokers 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 20, 2026. Country and city lists for excess and surplus brokers 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 20, 2026 86% judged on-target in blind review
6,307Companies
212,564Contacts tracked
105,745Verified emails
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The 25 largest excess and surplus brokers worldwide

Ranked by team size
Top 25 of 6,307 excess and surplus brokers worldwide, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to excess and surplus brokers: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 202610001+14,217 contacts →

Indirect evidence

“Hi, we’re HUB.”

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceDallas, TX, United StatesHQ checked Sep 20, 202610001+13,482 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
3Partial evidenceValhalla, NY, United StatesHQ checked Sep 20, 202610001+10,303 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
4Partial evidenceIrvine, CA, United StatesHQ checked Sep 20, 202610001+6,091 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 20, 20265,001-10,0004,926 contacts →

Indirect evidence

“Amwins is the largest wholesale distributor of specialty insurance products and services in the U.S.”

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceNew York, NY, United StatesHQ checked Sep 20, 20261,001-5,0004,072 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceGlen Allen, VA, United StatesHQ checked Sep 20, 20261,001-5,0003,151 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
8Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 20, 20265,001-10,0002,959 contacts →

Indirect evidence

“CRC Group is all about progress.”

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 20261,001-5,0002,955 contacts →

Indirect evidence

“RT Specialty is a leading wholesale distributor of specialty insurance products and services and the wholesale broking specialty for Ryan Specialty.”

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceLondon, United KingdomHQ checked Sep 20, 20261,001-5,0002,564 contacts →

Indirect evidence

“We are a specialty insurer with more than three decades of experience in providing clients with the highest standards of underwriting and claims service worldwide.”

Source: RevenueBase Database · checked Sep 20, 2026
11Partial evidenceDenver, CO, United StatesHQ checked Sep 20, 20261,001-5,0002,484 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
12Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 20265,001-10,0002,206 contacts →

Indirect evidence

“At Risk Strategies, part of the Brown & Brown team, we help our clients protect those things that matter most to them.”

Source: RevenueBase Database · checked Sep 20, 2026
13Partial evidenceLondon, United KingdomHQ checked Sep 20, 20261,001-5,0002,183 contacts →

Partial evidence

“Howden Insurance Brokers Ltd is a leading provider of insurance broking, risk consulting, and employee benefits advice.”

Source: RevenueBase Database · checked Sep 20, 2026
14Indirect evidenceNew York, NY, United StatesHQ checked Sep 20, 202610001+1,883 contacts →

Indirect evidence

“At QBE we’re driven by our purpose of enabling a more resilient future.”

Source: RevenueBase Database · checked Sep 20, 2026
15Partial evidenceMontreal, QC, CanadaHQ checked Sep 20, 20261,001-5,0001,476 contacts →

Partial evidence

“BFL CANADA is one of the largest employee-owned and operated commercial insurance brokerage and consulting services firms in Canada.”

Source: RevenueBase Database · checked Sep 20, 2026
16Partial evidenceLongwood, FL, United StatesHQ checked Sep 20, 20261,001-5,0001,431 contacts →

Partial evidence

“Insurance Office of America (IOA) is the fourth largest privately held insurance brokerage in the United States.”

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidencePeoria, IL, United StatesHQ checked Sep 20, 20261,001-5,0001,386 contacts →

Indirect evidence

“RLI is a U.S-based specialty insurer that serves niche property, casualty and surety markets.”

Source: RevenueBase Database · checked Sep 20, 2026
18Indirect evidenceLondon, United KingdomHQ checked Sep 20, 20261,001-5,0001,343 contacts →

Indirect evidence

“At QBE we’re driven by our purpose of enabling a more resilient future.”

Source: RevenueBase Database · checked Sep 20, 2026
19Partial evidenceLondon, United KingdomHQ checked Sep 20, 20261,001-5,0001,273 contacts →

Partial evidence

“For over four decades, BMS has transformed risk into progress, earning our place as one of the world’s leading insurance and reinsurance brokers.”

Source: RevenueBase Database · checked Sep 20, 2026
20Partial evidenceToledo, OH, United StatesHQ checked Sep 20, 20261,001-5,0001,258 contacts →

Partial evidence

“A multi-year winner of Best Places to Work in Insurance (2009-2025), Hylant is a full-service insurance brokerage with offices in Florida, Georgia, Illinois, Indiana, Michigan…”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceCanoga Park, CA, United StatesHQ checked Sep 20, 2026n/a1,147 contacts →

Indirect evidence

“Founded in 1972, Allen Lawrence & Associates, LLC.(AL & A) has the distinct advantage of active participation by its principals.”

Source: RevenueBase Database · checked Sep 20, 2026
22Indirect evidenceMiddleton, WI, United StatesHQ checked Sep 20, 2026201-5001,145 contacts →

Indirect evidence

“CapSpecialty® is a leading provider of specialty insurance for small to mid-sized businesses in the U.S, offering casualty, professional liability, surety and fidelity products in…”

Source: RevenueBase Database · checked Sep 20, 2026
23Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 20265,001-10,0001,079 contacts →

Indirect evidence

“Ryan Specialty (NYSE: RYAN) is an international specialty insurance firm that provides distribution, underwriting, product development, administration and risk management services…”

Source: RevenueBase Database · checked Sep 20, 2026
24Partial evidenceLondon, United KingdomHQ checked Sep 20, 20261,001-5,0001,040 contacts →

Partial evidence

“Our reputation as the finest advocates in the business comes from our exceptional people delivering exceptional results for over 120 years.”

Source: RevenueBase Database · checked Sep 20, 2026
25Indirect evidenceSt Louis, MO, United StatesHQ checked Sep 20, 2026501-1,0001,008 contacts →

Indirect evidence

“Safety National is a leading specialty insurance and reinsurance provider.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 6,307 excess and surplus brokers worldwide

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Excess and surplus brokers worldwide at a glance

As of Sep 20, 2026
49.7%Verified-email coverage
33.7Average contacts per company
1-10Median size (employees)
3.5%Largest-city concentration · Sao Paulo
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
3,143
11-50
2,127
51-200
609
201-500
181
501-1,000
64
1,001-5,000
83
5,001-10,000
12
10001+
56

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 excess and surplus brokers, 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 excess and surplus brokers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “excess and surplus brokers”. 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 excess and surplus brokers), 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 excess and surplus brokers, 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, 105,745 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 20, 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.

Excess and surplus brokers by location

41 lists · largest first

Every Excess and surplus brokers 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 excess and surplus brokers, 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 excess and surplus brokers are there worldwide?

RevenueBase identified 6,307 excess and surplus brokers 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?

HUB International, headquartered in Chicago, tops this list with the largest team on record.

Which country has the most excess and surplus brokers?

The United States leads with 1,431 companies, followed by Brazil (742) and the United Kingdom (650). Every excess and surplus brokers list by country and city is linked on this page.

Which city has the most excess and surplus brokers?

Sao Paulo leads with 219 headquartered companies, followed by London (168) and New York (62).

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 105,745 verified decision-maker contacts tracked across these 6,307 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 20, 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.