The auto insurance underwriting industry involves a myriad of firms that assess insurance applications to determine insurability. The companies routinely cover an array of offerings that extend from basic auto insurance to other personal and business needs, making their role versatile and of paramount importance to risk management. They employ actuarial science, market trends, lenient underwriting criteria, and even specific data analytics to determine policies and premiums. As the future brings forth new transportation technologies such as autonomous driving, the industry is poised to evolve, integrating more data-based and predictive analytic methods into its approach.


Top 24 Auto Insurance Underwriting Companies

1. TUA Assicurazioni

TUA Assicurazioni is an insurance company providing various insurance solutions for individuals and businesses. Their offerings include auto, home, health, travel, and pet insurance, as well as coverage for commercial vehicles and professional indemnity. They have a network of agencies, and their products can be conveniently managed online through their website. TUA aims to provide peace of mind and protection against unexpected events.


2. National Indemnity Company

National Indemnity Company is a leading property/casualty member of the Berkshire Hathaway group, offering a wide selection of commercial insurance products. With a steadfast reliability and A++XV rating by A.M. Best, NICO provides stability and integrity to agents and insureds for decades.


3. Seneca Insurance Company

Seneca Insurance is a company that provides insurance services to individuals and businesses. They offer a range of insurance products, including auto, home, business, and life insurance. With a focus on customer satisfaction, Seneca Insurance strives to provide reliable coverage and personalized solutions to meet their clients' needs.


4. Calvo's Insurance

  • Website: calvos.com
  • Headquarters: Hagatna, Guam, United States
  • Founded: 1938
  • Headcount: 51-200
  • LinkedIn

Calvos.com is an insurance underwriting company specializing in various insurance products including homeowners' insurance, auto/motorcycle insurance, renters insurance, life insurance, business fleet auto insurance, property insurance, national flood insurance, liability insurance, and workers compensation. They prioritize customer service and offer emergency driver assistance.


5. Berkley Technology Underwriters (a Berkley Company)

Berkley Technology Underwriters offers insurance-related products and services for technology companies worldwide. They provide claims and risk control services, catering to the insurance underwriting needs of leading technology companies.


6. GIC Underwriters, Inc.

GIC Underwriters is a company providing insurance coverage for various businesses such as car washes, pest control services, and liquor liability. They offer a range of insurance products and specialize in insuring different industries and business types.


7. Angus-Miller Insurance Ltd.

Angus-Miller Ltd is a trusted, local underwriter offering a complete line of personal and commercial insurance products. With broad authority for common classes of business, they provide localized decision-making and quick service. They also specialize in unique and hard-to-place risks, offering a range of specialty insurance products. Angus-Miller works closely with brokers, supporting their success and growth with quality products and exceptional service.


8. All Insurance Underwriters, Inc.

  • Website: aiuinc.com
  • Headquarters: Land O'​ Lakes, Florida, United States
  • Founded: 2005
  • Headcount: 11-50
  • LinkedIn

All Insurance Underwriters (AIU) is a leading Managing General Agency (MGA) in the United States, offering a wide range of commercial insurance solutions to retail agents nationwide. With a focus on quality and superior service, AIU has built strong alliances with top commercial insurance carriers, providing innovative strategies to help agents grow their businesses profitably.


9. Mid Valley General Agency LLC

Mid Valley General Agency provides insurance underwriting services for commercial, personal, transportation, and garage coverage. They have relationships with surety companies and can help clients get coverage for various types of risks.


10. Novus Underwriters

  • Website: novusunderwriters.com
  • Headquarters: Causeway Bay, Hong Kong Island, Hong Kong
  • Founded: 1996
  • Headcount: 51-200

Novus Underwriters is a wholesale insurance broker providing a wide range of insurance solutions, including property and casualty, liability, marine, energy, environmental, and transportation. They offer an innovative underwriting platform to their appointed agencies.


11. Wilson Smith Group, LLC/WSG Specialty Underwriters

Wilson Smith Group is an insurance intermediary that offers unique products, programs, and services through insurance company partnerships, underwriting excellence, superior administrative execution, and a national platform.


12. If Insurance

  • Website: if.se
  • Headquarters: Stockholm, Stockholms Lan, Sweden
  • Founded: 1999
  • Headcount: 5001-10000
  • LinkedIn

If.se is a company that provides insurance services to individuals and businesses. They offer a wide range of insurance products including auto, home, health, and business insurance. With a focus on customer satisfaction and financial protection, If.se aims to be a trusted provider in the insurance industry.


13. Shelter Insurance Companies

Shelter Insurance is a mutual insurance company that offers a range of insurance products such as home insurance, auto insurance, farm insurance, and life insurance. They provide coverage to individuals, families, and businesses.


14. Link4

  • Website: link4.pl
  • Headquarters: Warszawa, Mazowsze, Poland
  • Founded: 2003
  • Headcount: 501-1000
  • LinkedIn

LINK4 is an insurance company providing various insurance products such as car insurance, travel insurance, home insurance, and business insurance. They offer a wide range of coverage options both in Poland and abroad, with additional protection features available. Their products can be easily purchased online through their website.


15. RT Specialty

RT Specialty is a digital marketplace for micro commercial business, offering streamlined coverage process, top-rated market access, and robust third-party tools. They empower contracted retail agents to do their best work without compromising due diligence, time, or profitability.


16. Donegal Insurance Group

  • Website: donegalgroup.com
  • Headquarters: Marietta, Pennsylvania, United States
  • Founded: 1889
  • Headcount: 501-1000
  • Latest funding type: Ipo
  • LinkedIn

Donegal Insurance Group is a provider of personal, commercial, and farm insurance products. They offer a wide range of insurance coverages to individuals, businesses, and farmers. With a commitment to excellence and a focus on customer satisfaction, Donegal Insurance Group is there to protect and support their clients in their time of need.


17. Fidelity Insurance

Fidelity Assurance & Reinsurance Co. S.A.L is an insurance company based in Lebanon. They provide insurance services and solutions to individuals and businesses. Contact 1575 for any inquiries.


18. Earnix

  • Website: earnix.com
  • Headquarters: Ramat Gan, Tel Aviv, Israel
  • Founded: 2001
  • Headcount: 201-500
  • Latest funding type: Series Unknown
  • LinkedIn

Earnix is an innovative company that helps insurers and banks transform their operations with intelligent technology. They offer solutions for personalized customer experiences, dynamic pricing, product personalization, and more. With their real-time AI-driven Enterprise Rating Engine and Analytical Underwriting, Earnix enables businesses to anticipate market demands and navigate ongoing transformation.


19. Core Specialty Insurance Holdings, Inc.

Core Specialty Insurance offers a diversified range of property, casualty, and marine insurance products for small to mid-sized businesses. With a proven track record, decisive leadership, and underwriting talent, they provide innovative insurance solutions to meet the needs of their targeted customers and brokers.


20. Boston Seguros

  • Website: boston.com.ar
  • Headquarters: C.A.B.A., Buenos Aires, Argentina
  • Founded: 1925
  • Headcount: 201-500
  • LinkedIn

Boston Seguros is an Argentine insurance company with almost 100 years of experience. They offer a wide range of insurance coverage for individuals and businesses, including auto, home, personal accident, and marine insurance. With a strong presence throughout the country, they have a network of representative agencies to provide personalized service.


21. Farmers Mutual of Nebraska

  • Website: fmne.com
  • Headquarters: Lincoln, Nebraska, United States
  • Founded: 1891
  • Headcount: 201-500
  • LinkedIn

Farmers Mutual of Nebraska (fmne.com) is an insurance company that offers auto, farm, ranch, home, and recreational vehicle insurance products. With a wide range of coverage options, they provide insurance solutions for individuals and businesses in Nebraska and North Dakota.


22. Co-operators Group Auto & Home Insurance

Co-operators Group Insurance is an insurance company providing personal and group insurance plans for auto, home, and travel. They offer comprehensive coverage against any sudden and accidental water damage. They’re expanding in Canada and serving a large number of clients with a transition from COSECO Insurance Company to Co-operators General Insurance Company.


23. Alliance United Insurance Company

Alliance United, now Kemper Auto, offers affordable auto insurance for California drivers. Customers can access their portal to quote, manage business, make payments, and view policy information. The company prioritizes customer support and follows guidelines from the Centers for Disease Control during the COVID-19 pandemic.


24. Liberty Mutual Canada

Liberty Mutual Canada offers comprehensive insurance solutions tailored to fit various industries. Their underwriters and risk engineers provide customized insurance-based solutions, while their claims specialists respond with speed and professionalism. They exclusively distribute their products through the independent broker network.


Want to find more auto insurance underwriting companies?


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