Keystone buys California's Infinity Assurance in first west coast deal
What's the deal? Keystone Agency PartnersDealroom has a profile for this one. Try Dealroom → has acquired Infinity Assurance GroupDealroom has a profile for this one. Try Dealroom → (IAG), an Orange County, California-based independent insurance brokerage, for an undisclosed sum. The transaction, effective August 3, 2026, marks Keystone's first Platform Partner in California.
Who are they? Keystone is one of the largest independent insurance brokerages in the US, ranked the 17th largest retail broker by Insurance JournalDealroom has a profile for this one. Try Dealroom → . IAG is a full-service brokerage covering manufacturing, construction, transportation, logistics, and hospitality risks, among others.
What changes? IAG will keep its leadership, with founder and chairman John Kookootsedes and chief executive officer Eric Doll staying on. Its team, client relationships, and community presence remain intact.
The expansion: The deal extends Keystone's platform to the west coast for the first time, part of a national push through both organic growth and acquisitions. IAG gains access to national resources including expanded carrier relationships, technology, and producer development.
Why it matters? "Bringing them into the Keystone family isn't just an expansion into California," said Dan Girardi, Keystone's chief strategy officer. "It's a partnership between two organizations that agree on what matters most."
Why now? The acquisition comes during a strong year for Keystone, which Insurance Journal named one of the fastest-growing brokers among the top 50.
The signal: Keystone's dual model — a national platform for acquired agencies alongside an independent network — reflects ongoing consolidation in the independent insurance agency market.
Image credit: Generated with Gemini
