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Best's Rankings
U.S. P/C Industry – Top 20 Cyber Insurers – 2021 Edition

Insurers are ranked by 2020 total standalone and packaged cybersecurity direct premiums written.

($ millions)

Rank Company 2020
DPW
Market
Share
(%)
% of Cyber DPW 2020
Loss &
DCC
Ratio
2020
Est. UW
Exp
Ratio
2020
Est.
Comb
Ratio
Standalone Packaged
1 Chubb INA Group 404.1 14.8 0.0 100.0 61.0 23.8 84.8
2 XL Reinsurance America Group 293.0 10.8 100.0 0.0 98.2 24.8 123.0
3 American International Group 228.4 8.4 99.2 0.8 100.6 25.2 125.8
4 Travelers Group 206.8 7.6 81.2 18.8 85.5 31.7 117.2
5 Beazley USA Insurance Group 177.7 6.5 95.0 5.0 47.9 27.2 75.1
6 AXIS US Operations 133.6 4.9 67.3 32.7 46.2 26.9 73.1
7 CNA Insurance Companies 119.6 4.4 15.2 84.8 106.1 27.4 133.5
8 Fairfax Financial (USA) Group 108.5 4.0 99.9 0.1 55.7 24.9 80.7
9 Hartford Insurance Group 102.9 3.8 10.7 89.3 29.4 30.6 59.9
10 BCS Financial Group 86.6 3.2 57.7 42.3 59.1 26.7 85.8
11 Sompo Holdings US Group 72.6 2.7 100.0 0.0 114.1 22.2 136.4
12 Tokio Marine US PC Group 65.7 2.4 48.1 51.9 48.8 26.8 75.6
13 Zurich Insurance US PC Group 64.4 2.4 89.2 10.8 40.4 22.7 63.1
14 Liberty Mutual Insurance Companies 41.9 1.5 41.7 58.3 30.0 34.9 64.9
15 Aspen US Insurance Group 39.3 1.4 99.6 0.4 29.6 27.3 56.9
16 Berkshire Hathaway Insurance Group 37.4 1.4 29.8 70.2 25.8 16.8 42.7
17 Markel Corporation Group 29.7 1.1 74.9 25.1 38.0 30.4 68.4
18 Everest Re U.S. Group 28.2 1.0 100.0 0.0 48.0 26.7 74.8
19 The Cincinnati Insurance Companies 24.9 0.9 0.0 100.0 24.6 31.4 56.0
20 Swiss Reinsurance Group 23.7 0.9 100.0 0.0 42.6 27.9 70.5

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