South Africa, April 25 -- Read also noted that while WPP is not itself directly affected by tariffs, they will impact a number of their clients as well as the broader economy.

"At this point, we have not seen any significant change in client spending and we reiterate our full-year guidance which already reflected a challenging environment. As ever, we remain agile and vigilant and will continue to be disciplined on how we are managing our cost base."

Q1 performance as expected

Performance in the quarter is consistent with expectations and guidance given at the preliminary results in February.

Q1 revenue of £3,243m was down 5.0% YoY on a reported basis and down 0.7% like-for-like (LFL), while revenue less pass-through costs of ...