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Segment information (Tables)
 12 Months Ended
Dec. 31, 2024
General Information and Statement of IFRS Compliance [Abstract]  
Summary of Contributions by Reportable Segments
Reported contributions were as follows:
2024
20231
20221
£m£m£m
Revenue2
Global Integrated Agencies12,562 12,532 12,133 
Public Relations1,156 1,262 1,233 
Specialist Agencies1,023 1,051 1,063 
14,741 14,845 14,429 
Revenue less pass-through costs2,3
Global Integrated Agencies9,384 9,751 9,684 
Public Relations1,089 1,180 1,161 
Specialist Agencies886 929 955 
Headline operating profit2,4
Global Integrated Agencies1,482 1,480 1,427 
Public Relations166 191 192 
Specialist Agencies59 79 123 
1,707 1,750 1,742 
Adjusting items within IFRS operating profit4
(382)(1,219)(384)
Financing items5
(330)(255)(138)
Earnings/(losses) from associates
36 70 (60)
Reported profit before tax1,031 346 1,160 
Notes
1During the year ended 31 December 2024, the Group reallocated a number of businesses between Global Integrated Agencies, Specialist Agencies and Public Relations therefore changing the composition of reportable segments reported to the Group’s Chief Operating Decision Maker. As required by
IFRS 8, the prior year comparatives have been restated.
2Intersegment transactions have not been separately disclosed as they are not material.
3Revenue less pass-through costs is revenue less media and other pass-through costs. Pass-through costs comprise fees paid to external suppliers where they are engaged to perform part or all of a specific project and are charged directly to clients, predominantly media costs. See note 3 to the consolidated financial statements for more details of these pass-through costs.
4Headline operating profit is defined on page 22. A reconciliation from reported profit before tax to headline operating profit is provided in note 30.
5Financing items include finance and investment income, finance costs and revaluation and retranslation of financial instruments.
Other information
Staff costs
Depreciation
and
amortisation2
Goodwill
impairment3
£m£m£m
2024
Global Integrated Agencies6,330 327 158 
Public Relations761 35 12 
Specialist Agencies670 39 67 
7,761 401 237 
20231
Global Integrated Agencies6,491 361 40 
Public Relations821 40 — 
Specialist Agencies825 46 23 
8,137 447 63 
20221
Global Integrated Agencies6,530 370 — 
Public Relations815 37 4 
Specialist Agencies821 44 34 
8,166 451 38 
Notes
1During the year ended 31 December 2024, the Group reallocated a number of businesses between Global Integrated Agencies, Specialist Agencies and Public Relations therefore changing the composition of reportable segments reported to the Group’s Chief Operating Decision Maker. As required by IFRS 8, the prior year comparatives have been restated.
2Depreciation of property, plant and equipment, depreciation of right-of-use assets and amortisation of other intangible assets.
3Goodwill impairment is excluded from headline earnings.
Summary of Contributions by Geographical Area
Contributions by geographical area were as follows:
202420232022
£m£m£m
Revenue1
North America2
5,567 5,528 5,550 
United Kingdom2,185 2,155 2,004 
Western Continental Europe3,013 3,037 2,876 
Asia Pacific, Latin America, Africa & Middle East and Central & Eastern Europe3,976 4,125 3,999 
14,741 14,845 14,429 
Revenue less pass-through costs1,3
North America2
4,394 4,556 4,688 
United Kingdom1,588 1,626 1,537 
Western Continental Europe2,375 2,411 2,319 
Asia Pacific, Latin America, Africa & Middle East and Central & Eastern Europe3,002 3,267 3,256 
Headline operating profit1,4
North America2
825 834 771 
United Kingdom237 215 187 
Western Continental Europe259 258 301 
Asia Pacific, Latin America, Africa & Middle East and Central & Eastern Europe386 443 483 
1,707 1,750 1,742 
Adjusting items within IFRS operating profit4
(382)(1,219)(384)
Financing items5
(330)(255)(138)
Earnings/(losses) from associates
36 70 (60)
Reported profit before tax4
1,031 346 1,160 
Notes
1Interregional transactions have not been separately disclosed as they are not material.
2North America includes the United States with revenue of £5,203 million (2023: £5,187 million, 2022: £5,231 million), revenue less pass-through costs of £4,115 million (2023: £4,271 million, 2022: £4,402 million) and headline operating profit of £766 million (2023: £785 million, 2022: £726 million).
3Revenue less pass-through costs is revenue less media and other pass-through costs. Pass-through costs comprise fees paid to external suppliers where they are engaged to perform part or all of a specific project and are charged directly to clients, predominantly media costs. See note 3 to the consolidated financial statements for more details of these pass-through costs.
4Headline operating profit is defined on page 22. A reconciliation from reported profit before tax to headline operating profit is provided in note 30.
5Financing items include finance and investment income, finance costs and revaluation and retranslation of financial instruments.

20242023
£m£m
Non-current assets1
North America2
4,736 5,218 
United Kingdom1,666 1,670 
Western Continental Europe2,512 2,696 
Asia Pacific, Latin America, Africa & Middle East and Central & Eastern Europe2,607 2,739 
11,521 12,323 
Notes
1Non-current assets excluding financial derivatives and deferred tax assets.
2North America includes the United States with non-current assets of £4,427 million (2023: £5,114 million).