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

Audio By Carbonatix

IRVINE, Calif.--(BUSINESS WIRE)--Jul 1, 2025--

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.

View source version on businesswire.com:https://www.businesswire.com/news/home/20250701320434/en/

CONTACT: Nick Kopinga

First Vice President

Corporate Marketing and Communications

(949) 260-5004

[email protected]

KEYWORD: UNITED STATES NORTH AMERICA CALIFORNIA

INDUSTRY KEYWORD: FINANCE CONSULTING PROFESSIONAL SERVICES INSURANCE HUMAN RESOURCES

SOURCE: Alliant Insurance Services

Copyright Business Wire 2025.

PUB: 07/01/2025 08:05 AM/DISC: 07/01/2025 08:05 AM

http://www.businesswire.com/news/home/20250701320434/en