Below is a list of the top 30 insurance coverage providers and best insurance coverage providers in the UK in terms of total resources. Legal & General Group is the largest insurance provider in the UK with combined resources of £ 326,719 (US $ 507.9) million, resources under management (AUM) of £ 371 billion and Managed assets (AUA) of £ 65 billion dollars on December 31, 2011.
L & G also has functions in France, the Netherlands, the Red Sea, the Persian Gulf, China, India and the US. Aviva is The second largest provider of insurance coverage in the UK by resources and the sixth largest insurance provider worldwide coverage by net premium volume. Aviva's key markets are UK, Canada and Turkey.
| Rank | Insurance company | Total Assets (US$b, 31/12/2011) | Market cap (US$b, 31/3/2012) |
| 1 | Legal & General | 507.935 | 11.933 |
| 2 | Aviva | 485.637 | 14.985 |
| 3 | Prudential | 425.322 | 29.612 |
| 4 | Old Mutual | 252.453 | 13.715 |
| 5 | Standard Life | 248.936 | 8.405 |
| 6 | Resolution | 194.963 | 5.591 |
| 7 | Phoenix | 139.143 | 1.533 |
| 8 | AEGON UK | 88.3462 | - |
| 9 | XL Group | 44.621 | - |
| 10 | St.James's Place | 41.905 | 2.726 |
| 11 | RSA Insurance | 35.132 | 5.743 |
| 12 | QBE Insurance (Europe) | 21.511 | - |
| 13 | Direct Line Insurance (UK Insurance Ltd.) (1) | 21.408 | - |
| 14 | NFU Mutual | 19.138 | - |
| 15 | FM Global | 15.329 | - |
| 16 | Bupa | 14.191 | - |
| 17 | Catlin | 12.959 | 2.280 |
| 18 | Chartis UK (2) | 11.106 | |
| 19 | Amlin | 10.109 | 2.547 |
| 20 | ACE Europe (3) | 9.609 | - |
| 21 | Beazley | 9.513 | 1.126 |
| 22 | Brit Insurance | 7.831 | - |
| 23 | Chesnara | 6.983 | 0.334 |
| 24 | Hiscox | 6.565 | 2.392 |
| 25 | Great Lakes Reinsurance (UK) | 6.798 | - |
| 26 | Allianz UK | 6.503 | - |
| 27 | Chubb Insurance Company of Europe | 4.651 | - |
| 28 | Admiral Group | 4.065 | 5.007 |
| 29 | Lancashire Holdings | 3.899 | 1.967 |
| 30 | Novae | 3.013 | 0.361 |
