Sociagility has ranked 25 of the leading digital agencies on social media performance.

R/GA scored 455 on Sociagility's Social Performance Index (SPI) against an average of 100. The Interpublic Group agency also commanded the highest awareness and engagement levels, whilst WPP's recent acquisition AKQA took second place with the highest levels of 'popularity', 'interaction' and 'trust', according to Sociagility.

Sociagility co-founder Niall Cook said: "Our study shows that even the leading digital agencies can't always deliver social media success for themselves. Surely this is essential when advising some of the world's biggest brands?"

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