Oldstone & Green Limited ("O & G") is a leading Nigeria based, Africa focused, business intelligence and corporate investigations firm. We provide pure, locally sourced intelligence and actionable insights across sub-Saharan Africa.
Our clients include many of the world’s leading corporate entities, financial institution, law firms, risk consultancies and NGO's. We have a network of local consultants and experts on ground, offering confidential and bespoke solutions to complex challenges.
Our strong industry expertise, research know-how and keen local knowledge of business, politics and markets makes us the preferred firm for global corporates seeking to understand, compete and grow in sub-Saharan Africa.
It is of the highest importance in the art of detection to be able to recognize, out of a number of facts, which are incidental and which vital.
. (Sherlock Holmes)