Poughkeepsie, New York — Marshall+Sterling, a top 50 U.S. insurance brokerage and 100% employee-owned risk solutions partner, today announced the acquisition of Sidle Insurance, a trusted independent insurance agency based in Montour Falls, NY, serving individuals, families, and businesses throughout the Finger Lakes region. Sidle Insurance will operate as Sidle Insurance, A Division of Marshall+Sterling, during the transition period.
Sidle Insurance, founded in 1972, is recognized for its relationship-driven approach, personalized service, and strong community ties. The acquisition expands Marshall+Sterling’s ability to deliver integrated risk solutions supporting businesses, employees, individuals, and families across the region.
“Sidle Insurance represents the kind of firm we intentionally seek out — client-focused, community-rooted, and committed to proactive guidance,” said Eric Diamond, President and Chief Executive Officer of Marshall+Sterling. “Their approach aligns seamlessly with how we help clients predict, prepare for, and preempt risk — protecting what they’ve built and what comes next.”
Sidle customers will continue working with the same advisors and service teams they know and trust, with no changes to coverage or service. They will gain access to Marshall+Sterling’s broader risk solutions platform, including business insurance, employee benefits, personal insurance, and wealth management services, delivered through a consultative, forward-looking approach.
“This partnership allows us to build on the relationships that matter most while expanding the solutions available to support evolving needs,” said David Sidle, President of Sidle Insurance. “Marshall+Sterling shares our values and our long-term commitment to service, making this a strong fit for both our organization and our team.”
The acquisition reflects Marshall+Sterling’s continued focus on thoughtful, strategic growth that strengthens expertise, preserves trusted relationships, and delivers lasting value.
Source: Marshall+Sterling
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