Company lists · Data refreshed September 2026

Top 25 Employee benefit consulting firms worldwide

RevenueBase identified 12,609 employee benefit consulting firms worldwide as of September 2026 and tracks 287,867 professional contacts across them, including 121,888 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers employee benefit 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 21, 2026. Country and city lists for employee benefit 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 21, 2026 86% judged on-target in blind review
12,609Companies
287,867Contacts tracked
121,888Verified emails
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The 25 largest employee benefit consulting firms worldwide

Ranked by team size
Top 25 of 12,609 employee benefit consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to employee benefit 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceNew York, NY, United StatesHQ checked Sep 21, 202610001+20,868 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceRochester, NY, United StatesHQ checked Sep 21, 202610001+17,911 contacts →

Partial evidence

“As the future of work continues to evolve, Paychex leads the way by making complex HR, payroll, and benefits brilliantly simple.”

Source: RevenueBase Database · checked Sep 21, 2026
3Strong evidenceChattanooga, TN, United StatesHQ checked Sep 21, 202610001+10,841 contacts →

Strong evidence

“Since our founding in 1848, Unum has been a leader in the employee benefits business through innovation, integrity and an unwavering commitment to our customers.”

Source: RevenueBase Database · checked Sep 21, 2026
4Strong evidenceValhalla, NY, United StatesHQ checked Sep 21, 202610001+10,303 contacts →

Strong 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 21, 2026
5Partial evidenceDeerfield, IL, United StatesHQ checked Sep 21, 202610001+10,274 contacts →

Partial evidence

“Alight is a leading benefits administration provider of health, wealth, leave and point solutions for many of the world’s largest organizations and over 30 million people.”

Source: RevenueBase Database · checked Sep 21, 2026
6Strong evidenceWhite Plains, NY, United StatesHQ checked Sep 21, 202610001+9,086 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 21, 2026
7Partial evidenceColumbia, SC, United StatesHQ checked Sep 21, 20261,001-5,0007,742 contacts →

Partial evidence

“Colonial Life & Accident Insurance Company, a subsidiary of Unum Group, provides financial protection benefits to America’s workers and their families when the unexpected happens.”

Source: RevenueBase Database · checked Sep 21, 2026
8Partial evidenceIrvine, CA, United StatesHQ checked Sep 21, 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 21, 2026
9Partial evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261,001-5,0004,350 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceNew York, NY, United StatesHQ checked Sep 21, 20265,001-10,0004,119 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceDublin, CA, United StatesHQ checked Sep 21, 20261,001-5,0004,056 contacts →

Indirect evidence

“TriNet (NYSE: TNET) provides small and medium-size businesses (SMBs) with full-service HR solutions tailored by industry.”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 21, 20265,001-10,0003,478 contacts →

Indirect evidence

“OneDigital’s team of fierce advocates helps businesses and individuals achieve their aspirations of health, success and financial security.”

Source: RevenueBase Database · checked Sep 21, 2026
13Strong evidenceDenver, CO, United StatesHQ checked Sep 21, 20261,001-5,0002,484 contacts →

Strong 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 21, 2026
14Strong evidenceTampa, FL, United StatesHQ checked Sep 21, 20261,001-5,0002,376 contacts →

Strong evidence

“The Baldwin Group is a cohesive group of experts in business insurance, employee benefits, retirement planning, and all areas of private and personal insurance.”

Source: RevenueBase Database · checked Sep 21, 2026
15Strong evidenceFort Worth, TX, United StatesHQ checked Sep 21, 20261,001-5,0002,374 contacts →

Strong evidence

“Higginbotham is an employee-owned leader in insurance, financial services and HR/employee benefits.”

Source: RevenueBase Database · checked Sep 21, 2026
16Strong evidenceLondon, United KingdomHQ checked Sep 21, 20261,001-5,0002,183 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceOklahoma City, OK, United StatesHQ checked Sep 21, 20261,001-5,0002,039 contacts →

Indirect evidence

“American Fidelity is more than an insurance company.”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceLondon, United KingdomHQ checked Sep 21, 20261,001-5,0001,892 contacts →

Indirect evidence

“Founded to shape the future of pensions, health, and insurance solutions, Aptia is a leading professional services firm dedicated to simplifying complexity for businesses and…”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceDeerfield, IL, United StatesHQ checked Sep 21, 20261,001-5,0001,643 contacts →

Indirect evidence

“Alera Group is a growing leader, reimagining the complex risk management, insurance and financial services delivery experience through intentional collaboration connecting clients…”

Source: RevenueBase Database · checked Sep 21, 2026
20Partial evidenceDenver, IA, United StatesHQ checked Sep 21, 20261,001-5,0001,508 contacts →

Partial evidence

“Businessolver, founded in 1998, has spent more than two decades earning its place as a trusted partner in benefits administration technology.”

Source: RevenueBase Database · checked Sep 21, 2026
21Strong evidenceMontreal, QC, CanadaHQ checked Sep 21, 20261,001-5,0001,476 contacts →

Strong 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 21, 2026
22Partial evidenceCohoes, NY, United StatesHQ checked Sep 21, 20261,001-5,0001,452 contacts →

Partial evidence

“Goldman Sachs Ayco is an industry leader of company-sponsored financial planning benefits with corporate partnerships at ~500 companies, including over 50% of the Fortune 100.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceLondon, United KingdomHQ checked Sep 21, 2026n/a1,361 contacts →

Indirect evidence

“As of April 1, 2019, JLT Group is now part of Marsh & McLennan Companies (MMC).”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceNew York, NY, United StatesHQ checked Sep 21, 20265,001-10,0001,332 contacts →

Indirect evidence

“As of November 1, 2024, Marcum has been acquired by CBIZ.”

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceToledo, OH, United StatesHQ checked Sep 21, 20261,001-5,0001,258 contacts →

Indirect 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 21, 2026

Showing 25 of 12,609 employee benefit consulting firms worldwide

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Employee benefit consulting firms worldwide at a glance

As of Sep 21, 2026
42.3%Verified-email coverage
22.8Average contacts per company
1-10Median size (employees)
4.5%Largest-city concentration · Sao Paulo
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
7,846
11-50
3,365
51-200
867
201-500
217
501-1,000
69
1,001-5,000
136
5,001-10,000
35
10001+
40

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 employee benefit 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 employee benefit consulting firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “employee benefit 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 employee benefit 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 employee benefit 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, 121,888 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 21, 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.

Employee benefit consulting firms by location

63 lists · largest first

Every Employee benefit 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 employee benefit 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 employee benefit consulting firms are there worldwide?

RevenueBase identified 12,609 employee benefit 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?

Mercer, headquartered in New York, tops this list with the largest team on record.

Which country has the most employee benefit consulting firms?

The United States leads with 5,568 companies, followed by Brazil (1,612) and Canada (573). Every employee benefit consulting firms list by country and city is linked on this page.

Which city has the most employee benefit consulting firms?

Sao Paulo leads with 568 headquartered companies, followed by Rio De Janeiro (153) and New York (105).

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 121,888 verified decision-maker contacts tracked across these 12,609 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 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 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.