Highest Partnerships Against Middlesex By Somerset
| 1 | 253 | J Cox & ME Trescothick | County Ground, Taunton | 1999 | f44496 |
| 2 | 184 | EF Longrigg & CCC Case | Clarence Park, Weston-super-Mare | 1933 | f14396 |
| 3 | 249 | NFM Popplewell & MD Crowe | Recreation Ground, Bath | 1984 | f35220 |
| 4 | 227 | JL Langer & CL White | County Ground, Taunton | 2007 | f50021 |
| 5 | 207* | CHM Greetham & KE Palmer | Lord's Cricket Ground, St John's Wood | 1965 | f25776 |
| 6 | 196 | PB Wight & MF Tremlett | Recreation Ground, Bath | 1959 | f22751 |
| 7 | 127 | PCL Holloway & RJ Turner | Uxbridge Cricket Club Ground, Uxbridge | 1996 | f42575 |
| 8 | 143 | JC Hildreth & PS Jones | Lord's Cricket Ground, St John's Wood | 2007 | f50090 |
| 9 | 92 | SMJ Woods & G Fowler | Lord's Cricket Ground, St John's Wood | 1901 | f5549 |
| 10 | 91 | J Daniell & B Cranfield | County Ground, Taunton | 1903 | f6192 |
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