Public relations and advertising firm DDCworks has moved its headquarters from Conshohocken into a 5,000-square-foot space in the Cast Iron Building at 718 Arch Street, the company said Thursday.

The 48-year-old company moved to Center City to take advantage of the area's business and networking opportunities, chief executive officer Mike Diccicco said in the release.

The company employs 12 at the site, with plans to hire three more in the coming weeks, it said.

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