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Costs of services and general and administrative costs (Tables) | 12 Months Ended
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Dec. 31, 2024
Analysis of income and expense [abstract] |
Summary of Costs of Services and General Administrative Costs |
| 2024 |  | 2023 |  | 2022
| £m |  | £m |  | £m
Costs of services | 12,290 |  |  | 12,326 |  |  | 11,890 |
General and administrative costs | 1,126 |  |  | 1,988 |  |  | 1,181 |
| 13,416 |  |  | 14,314 |  |  | 13,071 |
Costs of services and general and administrative costs include:
| 2024 |  | 2023 |  | 2022
| £m |  | £m |  | £m
Staff costs (note 5) | 7,761 |  |  | 8,137 |  |  | 8,166 |
Establishment costs | 472 |  |  | 516 |  |  | 536 |
Media pass-through costs | 2,523 |  |  | 2,174 |  |  | 1,906 |
Other costs of services and general and administrative costs 1 | 2,660 |  |  | 3,487 |  |  | 2,463 |
| 13,416 |  |  | 14,314 |  |  | 13,071 |
Note 1 Other costs of services and general and administrative costs include £859 million (2023: £811 million, 2022: £724 million) of other pass-through costs. Other costs of services and general and administrative costs include the following significant items:
| 2024 |  | 2023 |  | 2022
| £m |  | £m |  | £m
Goodwill impairment (note 11) | 237 |  |  | 63 |  |  | 38 |
Amortisation and impairment of acquired intangible assets | 93 |  |  | 728 |  |  | 62 |
Other impairment charges | 26 |  |  | 18 |  |  | 77 |
Restructuring and transformation costs | 251 |  |  | 196 |  |  | 219 |
Property-related restructuring costs | 26 |  |  | 232 |  |  | 18 |
(Gains)/losses on disposal of investments and subsidiaries | (322) |  |  | (7) |  |  | 36 |
Legal provision charges/(gains) | 68 |  |  | (11) |  |  | — |
Summary of Auditors Remuneration | Auditors’ remuneration:
| 2024 |  | 2023 |  | 2022
| £m |  | £m |  | £m
Fees payable to the Company’s auditors for the audit of the Company and Group’s annual accounts | 18 |  |  | 10 |  |  | 8 |
Fees payable for the audit of the Company’s subsidiaries | 26 |  |  | 30 |  |  | 29 |
Fees payable to the auditors pursuant to legislation 1 | 44 |  |  | 40 |  |  | 37 |
Audit-related assurance services 1, 2 | 1 |  |  | 1 |  |  | — |
Other assurance services - PwC | — |  |  | — |  |  | — |
Other assurance services - Deloitte | 1 |  |  | 1 |  |  | 1 |
Tax compliance services | — |  |  | — |  |  | — |
Total other fees | 2 |  |  | 2 |  |  | 1 |
Total fees | 46 |  |  | 42 |  |  | 38 |
Notes 1 Includes fees in respect of the audit of internal control over financial reporting. With effect from 2024, following a competitive tender process, PricewaterhouseCoopers LLP (PwC) was appointed as auditor of the Company, replacing Deloitte LLP (Deloitte). Fees payable for the audit of the Company and Group's annual accounts, the audit of the Company's subsidiaries, and audit-related services during the year ended 31 December 2024 relate to PwC and for the years ended 31 December 2023 and 31 December 2022 to Deloitte. 2 Audit-related assurance services are predominantly in respect of the review of the interim financial information.

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