-

Alliant Insurance Services Ranks Fifth in the U.S. and Globally on Business Insurance Largest Brokers Lists

Alliant positioned solidly among the world’s largest revenue-producing insurance brokerages

IRVINE, Calif.--(BUSINESS WIRE)--Alliant Insurance Services has earned the #5 ranking on Business Insurance’s list of the 100 Largest Brokers of U.S. Business and has moved up three spots to #5 globally on the World's 10 Largest Insurance Brokers list. Published annually, the rankings recognize the top insurance brokerage firms worldwide based on prior-year revenue.

“Alliant’s continued strength in the rankings is due to a potent combination of organic growth and strategic expansion, all built on an unwavering commitment to being a ‘people first’ organization,” said Alliant CEO Greg Zimmer. “This is why top talent across the industry chooses Alliant as their destination of choice—a place where they’re given the resources, support, and autonomy to reach their highest potential.”

In addition, Alliant earned the #1 spot on the Largest Privately Owned Brokers list and the #7 position on the Largest Benefits Brokers list.

Alliant closed 2024 with more than $5 billion in revenue and $47 billion in premium and is positioned to build on this momentum with an eye toward ongoing growth and expansion.

“We’re committed to our core strategy while actively exploring new opportunities, ensuring our future growth aligns with the solid foundation we’ve built,” said Zimmer.

About Alliant Insurance Services

Alliant Insurance Services marks a century of success as the nation’s leading specialty broker. We operate through a network of specialized national platforms and local offices to offer our clients a comprehensive portfolio of risk solutions built on innovative thinking and personal service. The business of managing risk is complex, and Alliant meets this complexity head-on with creativity and agility. Alliant has changed the way our clients approach risk management and benefits, giving them complete access to our resources and expertise—regardless of where the resource is located—to capitalize on new opportunities to grow and protect their organizations and their people.

Alliant is recognized as a leading destination for top-tier brokerage talent in the U.S., attracting brokers and specialists across a diverse spectrum of disciplines who are eager to advance their careers. With the advantage of being majority employee-owned, professionals choose Alliant for autonomy, unparalleled resources, and a unique equity ownership opportunity. As a testament to our commitment to excellence, Alliant maintains an impressive 99% producer retention rate and has earned Forbes’ prestigious title of one of America’s Best Large Employers.

Visit us at alliant.com.

Contacts

Nick Kopinga
First Vice President
Corporate Marketing and Communications
(949) 260-5004
nkopinga@alliant.com

Alliant Insurance Services

Details
Headquarters: Irvine, California
CEO: Greg Zimmer
Employees: 14,000+
Organization: PRI

Release Summary
Alliant Insurance Services has ranked fifth in the U.S. and globally on Business Insurance's Largest Brokers lists.
Release Versions

Contacts

Nick Kopinga
First Vice President
Corporate Marketing and Communications
(949) 260-5004
nkopinga@alliant.com

Social Media Profiles
More News From Alliant Insurance Services

Tom Mather Joins Alliant Insurance Services’ Mid‑Atlantic Benefits Team

IRVINE, Calif.--(BUSINESS WIRE)--Tom Mather has joined Alliant Insurance Services as Vice President within its Employee Benefits Group. Based in the Washington, D.C. metro area, he will partner with middle-market employers to develop customized benefits strategies that maximize program value, manage costs, and address evolving workforce needs. “Tom brings a highly analytical and innovative approach to helping employers navigate the challenges of today’s benefits landscape,” said Kevin Overbey,...

Shaun Shenouda Named Divisional Chief Operating Officer and AI Transformation Officer of Alliant Underwriting Solutions

IRVINE, Calif.--(BUSINESS WIRE)--Alliant Underwriting Solutions (AUS), the program administrator division of Alliant Insurance Services, has named Shaun Shenouda Divisional Chief Operating Officer and AI Transformation Officer. In his new role, he will guide AUS’ operational strategy and advance transformational change across the division.“Shaun brings a strong combination of strategic perspective, operational leadership, and experience driving change,” said Bill Mecklenburg, Executive Vice Pres...

Alliant Insurance Services Expands Midwest Benefits Team with Dave Brennan

IRVINE, Calif.--(BUSINESS WIRE)--Dave Brennan has joined Alliant Insurance Services as Senior Vice President within its Employee Benefits Group. He will work with employers throughout the Midwest to develop strategic benefits programs that maximize value, address evolving workforce needs, and support broader financial and organizational objectives. “Dave brings a comprehensive understanding of the benefits landscape and a strong track record of delivering results for large, sophisticated employ...
Back to Newsroom