Atlantic Casualty Insurance Co.
Specialty E&S commercial lines carrier distributing exclusively through wholesale agents with a proprietary digital quoting and binding platform.
Overview
Atlantic Casualty Insurance Company is a specialty excess and surplus (E&S) lines property and casualty carrier focused exclusively on commercial lines. Founded in 1983 by Strickland Insurance Group to underwrite non-standard personal auto insurance in North Carolina, the company pivoted to commercial products in 1998 and has since grown into a multi-state E&S specialist.
In January 2016, Atlantic Casualty and its parent Strickland Insurance Group were acquired by Auto-Owners Insurance Group, a Fortune 500 mutual insurer headquartered in Lansing, Michigan with an A+ Superior AM Best rating. Today, Atlantic Casualty distributes all of its products exclusively through wholesale Managing General Agencies and is authorized to write business in all 50 states and Washington, D.C.
The company emphasizes direct access to leadership and underwriting staff as a key differentiator in the E&S market, pairing this service model with its ACES (Atlantic Casualty Express System) digital platform for wholesale agent partners.
Products & Services
Commercial Lines
Key Features
- Commercial General Liability: Construction, food service, manufacturing, real estate, trucking, special events
- Commercial Property: Tenant dwellings, strip centers, restaurants, warehouses, manufacturing, vacant buildings
- Garage: Auto dealers (antique/classic, ATV, RV, salvage), non-dealers (repair shops, valet, impound, tire dealers)
- Inland Marine: Contractor's equipment, installation floater, miscellaneous property floater, bailees, exhibition floater
- Ocean Marine: Marina operators, marine contractors, vessel dealers, ship repairers, marine manufacturers
At a Glance
- Founded
- 1983
- Headquarters
- Glen Allen, VA
- Employees
- 201-500
Category & Focus
Last updated: 2026-05-11