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S4 Capital issues warning following weaker Q3 & October

Published: November 24, 2025 at 8:47 am

Author: Patrick Killeen

S4 Capital has warned that full-year performance will come in below expectations after a weaker third quarter was compounded by worsened trading in October.

In a statement released to the London Stock Exchange this morning, the digital advertising and marketing group said it had reviewed both its October financial results and a revised forecast for the third quarter.

The review showed net revenue falling behind plan, leading to a downgrade to its outlook for the year.

The London-based MarTech now expects like-for-like net revenue for 2025 to be down by “just under 10%”, a step back from the “upper single digits” decline it was guiding to in early November.

The company’s share price has already fallen by 8.4% in just over half an hour of trading today, dropping to 16.21p as of 8:38am.

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