Architects Journal (AJ) is hosting the AJ100 Gala Lunch on June 19 at the Honourable Artillery Company in London for an afternoon of summer celebrations. Established in 1995, the AJ100 survey is the definitive annual record of the U.K.’s largest architecture practices measured by the number of architects employed in the U.K. The accompanying AJ100 awards celebrate the achievements of these firms, including those leading the way on climate action. The list of the award contenders can be found online.