Pulbrook, who takes up her role on 1 December, will become head of industrials and support services at the agency.
Camarco launched in May and has 26 clients across the financial, energy and natural resources sectors and 11 staff.
Pulbrook began her career in corporate finance with NM Rothschild and then at Bankers Trust. During her time at Citigate, which she co-founded in 1988, she advised UK and overseas clients across a range of sectors.
She said: "I am delighted to be joining such a dynamic and talented team, whose combined experience and expertise will enable Camarco to provide top-level advice to a broad range of companies. It’s a really exciting time for the business and I very much look forward to contributing to its future success."
Geoffrey Pelham-Lane, chief executive of Camarco, said: "A co-founder and longstanding director of Citigate Dewe Rogerson, Ginny brings more than 26 years of experience advising clients at the highest levels."