He joined Olufemi Lanlehin and Co., a law firm in Ikeja, Lagos in 1987 from there, he moved to Okitipupa to establish Olusola Oke and Associates on 14 July 1988.
As the National Legal Adviser of the PDP, between 2008 and 2012, he practiced law to its fullest and paved a way for equity and constitutionality to prevail unhindered in all the matters he handled.