Motivcom, Ashfield Meetings & Events, Jack Morton Worldwide and George P Johnson are still the top four agencies in the UK, according to C&IT's Top 50 agency ranking, though Motivcom jumps from fourth back into first place this year.
C&IT's Top 50 agencies are ranked by 2013 UK event-based turnover, and this year's table has seen several big climbers and a number of new entries.
TRO has jumped from ninth to fifth following a £7m jump in turnover from 2012 to 2013, while CWT Meetings & Events dropped from fifth to eighth place. WRG Creative was a new entry to the table, taking seventh place and pushing Banks Sadler just outside the top ten for the first time into 11th spot.
Other climbers this year include DRP Group and Logistik, while The Fresh Group, TMB Events, Team Spirit and Five Hats were among the new entries.
Read the full analysis on this year's State of the Industry Top 50 agency ranking
MORE:New and exclusive content from C&IT's State of the Industry Report will be published online throughout June with the full report downloadable at the end of the month.