Agency Checklists analyzes April 2026 CAR data, ranking Massachusetts private passenger auto insurers by market share, exposures, and market concentration.
Plymouth Rock
4th Look 2026: Market Share Report for MA Commercial Auto Insurers
Safety, Commerce and Arbella lead the Massachusetts commercial auto insurance market. See market share rankings, premiums, and carrier concentration.
Plymouth Rock Assurance Strengthens Leadership Team with Three Strategic Appointments
Plymouth Rock Assurance appointed Gavin McPhail, Cornelius Young and Lindsay Mustard to executive leadership roles supporting data, claims and customer service.
Kelley O’Connor: Plymouth Rock’s New MA State Sales Manager
Plymouth Rock appoints Kelley O’Connor as Massachusetts State Sales Manager to strengthen independent agent relationships and drive growth.
Plymouth Rock Assurance Appoints Elliott Seaborn as Chief Marketing Officer
Proven marketing leader joins leading insurer to accelerate agency growth
