At the beginning of the 1990s, he had the opportunity to take part in the assessment of the assets of the transforming and restructuring TKZS (The Labour-cooperative agricultural comlexes- LCAC) in liquidation.
He went through various specializations related to agriculture and the cooperatives operating in it in the USA, Great Britain and Germany. From then until now, he has been constantly implementing various analyzes and reports related to agricultural and credit cooperatives in Bulgaria. In 2010 and 2013, together with Prof. Dr. Ivan Boevski, Dr. Nikolov prepared the strategy of the National Union of Credit Cooperatives “EUROSTART”.