He is one of the wealthiest architects in Nigeria, and he is the brain behind the National Stadium, Abuja. Before he became a politician, he was a two-time commissioner under Col. Abubakar Umar and Col. Muktar.
Sambo owns Coplan Associates, which is into architectural consultancy, Nalado Nigeria Limited, which is into hospital and medical equipment, aircrafts parts supply, Sambo Design Company, which constructed Eko Tourism Resort, Ibeju-Lekki, his Kaduna head office is home to Access Bank, Kaduna branch. His eye-popping residence in Kaduna is on the shore of Kaduna Rivers, a very quiet part of the city. He has one wife with six children. The second architect to be vice-president in Nigeria, following Chief Alex Ekwueme.