Osayaba is a Senior Partner of Giwa-Osagie & Co. He is an experienced litigator and also a Corporate/Commercial lawyer with experience spanning over 33 years.
He has over the years advised several clients, both local and international clients on legal issues arising from various commercial transactions. His experience spans across core areas such as oil & gas, construction, public and private partnerships, project finance, corporate finance, regulatory compliance, aviation, banking, mergers & acquisition etc.
He has been involved in transactions arising from Oil and Gas projects in Nigeria. He has written several opinions on compliance with the Nigerian Oil and Gas Industry Content Development Act 2010. He advised on the first Gas supply Contract in Nigeria between Nigerian Gas Company and West African Portland Cement Company Plc. He was also instrumental in drafting the first version of the Petroleum Industry Bill.
He instituted the first legal action in Nigeria on behalf of the Securities and Exchange Commission (SEC) against stockbrokers and investment houses trading on the floors of the Nigerian Stock Exchange without being registered with SEC.
He has also been involved in high profile litigation and arbitration matters.