Seedorf began his career at the age of six in the youth ranks of his local amateur sides VV AS '80 and Real Almere, before being discovered and recruited to the ranks of nearby Dutch giants Ajax by Urgent Scoutingteam, the talent agency set up by Johan Cruyff, and which was responsible for recruiting the likes of Frank and Ronald de Boer, Edgar Davids, Robert Witschge and Patrick Kluivert to the club as well. Following in their brother's footsteps, under the guidance of their father and talent agent, Seedorf's siblings, as well as cousin Stefano, would later also join the ranks of Ajax.