| Category | Summary | Payer | Value | Registered |
| Land and property (within or outside the UK) |
Other in Essex |
|
— |
— |
| Family members employed |
Sally Clark employed |
|
— |
— |
Donations received
Regulated political donations reported to the Electoral Commission — a separate register from the financial interests above, so the same donation can appear in both.
| Donor | Value | Accepted |
| Best for Britain Ltd
| £28,909.47 | 1 Jul 2023 |
| Best for Britain Ltd
| £29,831.17 | 1 Apr 2023 |
| Best for Britain Ltd
| £26,131 | 1 Jan 2023 |
| Best for Britain Ltd
| £18,773.84 | 1 Oct 2022 |
| Best for Britain Ltd
| £18,578.84 | 1 Jul 2022 |
| Best for Britain Ltd
| £18,750.03 | 1 Apr 2022 |
| Best for Britain Ltd
| £3,551.36 | 3 Mar 2022 |
| Best for Britain Ltd
| £18,750.03 | 1 Jan 2022 |
| Best for Britain Ltd
| £66,646.55 | 15 Apr 2021 |
| Mr David Abrahams
| £5,000 | 22 Jun 2007 |
| Sir Sigmund Steinberg
| £2,000 | 17 Jun 2007 |
| Mr Leonard Collinson
| £2,500 | 13 Jun 2007 |
| Mr Richard Anthony Nelson
| £2,000 | 5 Jun 2007 |
| Co-operative Party
| £2,925 | 21 May 2007 |
| Lord Parry Mitchell
| £2,000 | 8 May 2007 |
| Mr Gilad Hayeem
| £5,000 | 25 Apr 2007 |
| Mr Kevin D McGrath
| £10,000 | 31 Mar 2007 |
| Mr Mark Paul McDonald
| £2,500 | 27 Mar 2007 |