A shortfall in non-Western language skills among UK lawyers is failing to meet the needs of business and leading to an over-reliance on external support, with just 24% of FTSE 250 lawyers speaking a foreign language.

The three foreign languages most commonly spoken by top in-house teams in the UK are French, German and Spanish, while just a handful of lawyers speak Mandarin or Cantonese, according to research by legal outsourcing group Obelisk.