The commercial insurance underwriting industry is dynamic and vital for the stability and growth of businesses worldwide. These companies provide a breadth of insurance services for commercial property, casualty, liability, environmental risks among others, across various sectors like construction, retail, manufacturing. They focus on identifying, assessing, and managing potential risks faced by these businesses, laying down the terms and conditions for the commercial insurance coverage. Driven by innovation and advanced technology, the industry is evolving, moving toward more digitized, customer-centric solutions that ensure quick and efficient claims handling and risk mitigation.


Top 25 Commercial Insurance Underwriting Companies

1. Northbridge Financial Corporation

  • Website: nbfc.com
  • Headquarters: Toronto, Ontario, Canada
  • Founded: 2012
  • Headcount: 1001-5000
  • LinkedIn

Northbridge Financial Corporation is a leading commercial property and casualty insurance group that has been protecting Canadian businesses for over 100 years.


2. Nig

  • Website: nig.com
  • Headquarters: London, Leeds, United Kingdom
  • Founded: 1894
  • Headcount: 1001-5000
  • LinkedIn

NIG.com is an expert in commercial insurance, focusing on identifying and understanding the challenging risks faced by UK businesses. They offer a wide range of products such as motor, property, liability, and combined coverages for various industries including construction, retail, manufacturing, and more. NIG.com stands out with their partnership approach with brokers.


3. Westchester, A Chubb Company

Westchester.com is a large and diverse excess and surplus lines commercial property and casualty insurance underwriter in the United States. They specialize in providing innovative specialty products for various industries such as property, specialty casualty, environmental, professional risk, inland marine, and more. With exceptional financial strength, underwriting excellence, and superior claims handling expertise, Westchester.com offers comprehensive insurance solutions for businesses.


4. 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.


5. Guardrisk

  • Website: guardrisk.co.za
  • Headquarters: Sandton, Gauteng, South Africa
  • Founded: 1993
  • Headcount: 201-500
  • Latest funding type: Acquired
  • LinkedIn

Guardrisk is a leading provider of cell captive business and alternative risk transfer solutions in South Africa. They offer tailor-made risk financing solutions, commercial and corporate general insurance, as well as niche non-life cover. Their services and solutions are designed for corporates serious about risk management, those facing complex or expensive risks, and those looking to sell their own branded insurance products.


6. Old Republic International Corporation

  • Website: oldrepublic.com
  • Headquarters: Chicago, Illinois, United States
  • Founded: 1969
  • Headcount: 5001-10000
  • Latest funding type: Ipo
  • LinkedIn

Old Republic is a shareholder-owned insurance company that provides quality insurance security and related services to businesses, individuals, and public institutions. It focuses on commercial lines underwriting and offers a wide variety of coverages in the general and title insurance fields. With a decentralized approach, the company specializes in carefully selected sectors of the North American economy, ensuring diversity and risk dispersion.


7. DUAL North America

  • Website: dualna.com
  • Headquarters: Naples, Florida, United States
  • Founded: 2013
  • Headcount: 201-500
  • LinkedIn

DUAL NA is a specialized underwriting organization in the U.S. offering property, casualty, and financial lines programs. With expert underwriting, technological solutions, and superior service, we support producers and carriers.


8. Santam Insurance

  • Website: santam.co.za
  • Headquarters: Bellville, Western Cape, South Africa
  • Founded: 1918
  • Headcount: 5001-10000
  • Latest funding type: Ipo
  • LinkedIn

Santam is a certified insurance company in South Africa that offers a wide range of commercial and personal insurance products. They provide coverage for businesses, homes, vehicles, agriculture, and more.


9. UnipolSai Assicurazioni Spa

  • Website: unipolsai.it
  • Headquarters: Bologna, Emilia-Romagna, Italy
  • Founded: 2014
  • Headcount: 5001-10000
  • Latest funding type: Ipo
  • LinkedIn

UnipolSai is an insurance company that offers a wide range of insurance products and services. They provide insurance coverage for auto, travel, health, home, and more. Their goal is to provide customers with peace of mind and financial protection against unexpected events.


10. State Auto Insurance

  • Website: stateauto.com
  • Headquarters: Columbus, Ohio, United States
  • Founded: 1921
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

State Auto Financial Corporation is a property and casualty insurance holding company headquartered in Columbus, Ohio. It offers personal and commercial insurance products through its subsidiaries. With a focus on innovation and customer service, State Auto is committed to providing high-quality insurance coverage to individuals, businesses, and organizations.


11. Triunfo Seguros

Triunfo Seguros is an insurance company that offers a wide range of insurance products for individuals and businesses. Their product portfolio includes auto insurance, motorcycle insurance, bicycle and scooter insurance, home insurance, commercial insurance, medical malpractice insurance, personal accident insurance, and surety bonds. They prioritize customer satisfaction and provide excellent customer service.


12. IGI - International General Insurance Co. Ltd.

  • Website: iginsure.com
  • Headquarters: Amman, Amman, Jordan
  • Founded: 2001
  • Headcount: 201-500
  • Latest funding type: Post Ipo Equity
  • LinkedIn

International General Insurance is a leading international specialist commercial insurance and reinsurance group that offers a diverse portfolio of 17 specialty lines worldwide.


13. Nasco Insurance Group

Nasco Insurance Group is a company that provides insurance solutions and services. They offer a wide range of insurance products to individuals and businesses, including property, casualty, and life insurance. With a focus on customer satisfaction and personalized service, Nasco Insurance Group aims to provide reliable and comprehensive coverage to protect against various risks.


14. Prestige Assurance Plc

Prestige Assurance Plc is an insurance company that offers a wide range of personal and commercial insurance products. Their offerings include motor insurance, health insurance, agricultural insurance, personal accident policies, burglary insurance, and more. They provide coverage for individuals and businesses, ensuring financial protection in various situations.


15. Orient Insurance Limited

Orient Insurance Limited is a premier insurer in Sri Lanka, offering a wide range of commercial and personal insurance services. With strong financial stability and prestigious global ratings, the company provides comprehensive coverage for property, marine, motor fleet, liability, engineering, and personal accident insurance. Orient Insurance is known for its expertise, reliability, and customer-centric approach.


16. Universal Insurance Holdings Inc (UVE)

Universal Insurance Holdings (UVE) is a company that focuses on providing insurance products and solutions to residential and commercial customers. With over 20 years of success, UVE continuously improves the customer experience and creates long-term value for shareholders. They have an extensive distribution network and embrace technology to deliver superior service.


17. IAG New Zealand

  • Website: iag.co.nz
  • Headquarters: Auckland, Auckland, New Zealand
  • Founded: 1859
  • Headcount: 5001-10000
  • LinkedIn

IAG New Zealand Limited is an insurance company offering contents, home, and other types of insurance. They are dedicated to supporting economic vitality and sustainability while helping people thrive.


18. QMetric Group Limited

  • Website: qmetric.co.uk
  • Headquarters: London, England, United Kingdom
  • Founded: 2010
  • Headcount: 201-500
  • LinkedIn

QMetric Group Limited is an insurance technology company that specializes in underwriting and policy management. With their 'best in class' technology and embrace of 'big data' and AI techniques, they offer innovative and efficient insurance solutions. Their core values include fairness, simplicity, and customer-centricity.


19. Align Financial Holdings, LLC

Align Financial Holdings is a leading independent general agency in the U.S, specializing in specialty personal and commercial lines property and casualty markets. They offer diversified, specialty commercial insurance programs and have a unique market position as a consolidator in a highly fragmented space.


20. Jensten Group

  • Website: jensten.co.uk
  • Headquarters: London, Cambridgeshire, United Kingdom
  • Founded: 2019
  • Headcount: 201-500
  • LinkedIn

Jensten.co.uk is an independent insurance broking group offering a wide range of commercial and personal insurance products to brokers and their clients. With a strong presence in the UK market, the company aims to provide innovative and comprehensive insurance solutions.


21. Zenithe Insurance

Zenithe Insurance is a company that offers insurance services to individuals and businesses. They provide a range of insurance products including auto, home, life, and commercial insurance.


22. J M Glendinning (Insurance Brokers) Ltd

  • Website: jmginsurance.co.uk
  • Headquarters: Guiseley, Leeds, United Kingdom
  • Founded: 1972
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

JM Glendinning is a professional insurance broker providing a range of specialized insurance solutions for businesses. With a focus on professional, local service, the company offers coverage for various industries, including haulage, fine art, engineering, and more.


23. Assegur

  • Website: assegur.com
  • Headquarters: Andorra La Vella, Andorra, Andorra
  • Founded: 1992
  • Headcount: 51-200
  • LinkedIn

Assegur.com is an insurance company that aims to improve and go beyond the comfort zone to serve its clients. With a focus on continuous innovation and growth, they offer a wide range of insurance products tailored to meet individual needs.


24. WKFC Underwriting Managers

  • Website: wkfc.com
  • Headquarters: Melville, New York, United States
  • Founded: 1994
  • Headcount: 51-200
  • LinkedIn

WKFC Underwriting is a part of RSG Underwriting Managers, LLC, a subsidiary of Ryan Specialty, LLC. They work directly with brokers, agents, and insurance carriers to offer a range of insurance products. Some products may be limited to certain states or surplus lines insurers.


25. WaterCircles Norge AS

WaterCircles is a company that offers various insurance products and services to individuals and businesses. They provide coverage for motor vehicles, homes, travel, health, and more. Through their comprehensive offerings and customer-focused approach, WaterCircles aims to ensure that their clients have peace of mind and protection in case of unforeseen events.


Want to find more commercial insurance underwriting companies?


If you want to find more companies that offer comprehensive commercial insurance solutions, focusing on risk identification, assessment and management you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


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...and a lot more!