The S&P Global UK Services PMI fell to 51.7 in September 2026 from 52.5 in August, below market forecasts of 52, flash estimates showed. The latest reading pointed to a slower expansion of overall service sector output, with growth hitting a three-month low. Service providers cited weak domestic conditions and geopolitical uncertainty as constraints on activity growth, although demand for technology services provided some support. New business volumes saw a renewed decline amid budget constraints.