CNA Surety provides a full range of surety and fidelity bonds in all 50 states, Canada and Puerto Rico. Through a combined network of approximately 40,000 appointed agencies, CNA Surety has the capacity, experience and dedication to serve a full range of bonding needs, from the smallest commercial bonds to multi-million dollar contract bonds. CNA Surety is known for its expert underwriting, solid financial strength, market leadership and creative solutions to all bonding requirements. With a highly diverse product line, one of the broadest underwriting capabilities in the industry, and an unparalleled distribution system, the CNA Surety group of companies ranks as one of the largest writers of surety bonds in the United States. Backed by the financial strength of the CNA Insurance Group, we have one of the highest US Treasury Underwriting Limitations in the surety industry.
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The CNA Surety annual revenue was $184.7 million in 2026.
William Mills is the Vice President, Underwriting and Field Operations of CNA Surety.
310 people are employed at CNA Surety.
CNA Surety is based in Sioux Falls, South Dakota.
The NAICS codes for CNA Surety are [524298, 52429, 52, 5242, 524].
The SIC codes for CNA Surety are [64, 641].