Herbert Smith’s M&A team has been boosted by its role as primary adviser to Securicor on last week’s £1.7bn merger with Group 4 Falck .

Securicor has proved a bankable client for Herbert Smith in recent times, with the firm also advising on the e247m (£164.5m) disposal of its 50% shareholding in Securicor Omega Holdings to Deutsche Post and the acquisition of the aviation security and commercial guarding subsidiaries of Nasdaq-listed AHL Services.