Eight of the ten most successful law firms at showcasing their expertise online and distributing it via social media fall outside of the UK’s top 50, even though as a whole there is a lot more that large firms can do to improve their standing on Twitter, new research has found. The analysis of the top 200 firms by content marketing platform Passle showed that while Irwin Mitchell was in top spot, north-west firm Stephensons, Stephens Scown in Exeter and West London practice IBB ranked second, third and fourth respectively, followed by Eversheds in fifth.