Financial Performance - Like-for-like (LFL) revenue less pass-through costs decreased by 43% in H1 2025 and 58% in Q2 2025[18] - Headline operating margin was 82%, a decrease of 290 bps year-over-year (YoY) on a LFL basis, due to the decline in LFL revenue less pass-through costs and higher severance costs[18] - Headline operating profit was £412 million in H1 2025[29] - Adjusted net debt was £3261 million as of June 2025[67] - The company expects LFL revenue less pass-through costs to decline by 3% to 5% for the full year 2025[77] - The company expects headline operating margin to decline 50 to 175 bps year-on-year for the full year 2025, excluding the impact of FX[79] Business Segment Performance - Global Integrated Agencies experienced a decline of 60% in LFL revenue less pass-through costs in Q2 2025[34] - WPP Media's LFL revenue less pass-through costs decreased by 47% in Q2 2025[36] - Public Relations saw a decrease of 78% in LFL revenue less pass-through costs in Q2 2025[34] Regional Performance - North America's LFL revenue less pass-through costs decreased by 46% in Q2 2025[43] - The UK experienced a decline of 65% in LFL revenue less pass-through costs in Q2 2025[42] - Western Continental Europe's LFL revenue less pass-through costs decreased by 65% in Q2 2025[42] - Asia-Pacific, Latin America, Africa & Middle East, and Central & Eastern Europe (AP, LA, AME, CEE) saw a decline of 68% in LFL revenue less pass-through costs in Q2 2025[42] Strategic Initiatives - WPP Open has been adopted by 69000 users, representing approximately 85% of client-facing staff[18, 20] - The company is investing £300 million per annum in AI[109] - Headcount reduced by 37% in H1 2025 to 104000[18]