Clients include international and private corporations, developers, institutions, public authorities, and federal, state, and local governments.

[3] The firm designed 17 of the city's 30 tallest buildings and "created Jacksonville's modern skyline", according to The Florida Times-Union.

[17] When Cannon Design was chosen, KBJ appealed the award, claiming that Cannon's design was inconsistent with the specifications for size and budget set by the city, but the administration of Mayor John Delaney saw no grounds for the award to be rescinded.

The team of Perry-McCall Construction -The Auchter Company coupled with Architects Rink Design and DLR were initially awarded the contract.

Second place bidder, Turner Construction Company, which is partnered with Technical Construction Services Group and KBJ Architects, was given an opportunity to negotiate a contract with the city in July 2007, by approval of the Competitive Sealed Proposal Evaluation Committee.