Development Business Advisors LLC (DBA) is a boutique consulting firm based in Washington, DC, whose main focus is supporting client companies in their pursuit of contracts with the World Bank and other international development organizations. DBA serves many types of clients, including consulting, advisory, engineering, construction and suppliers. DBA provides these clients with information and advice related to project development, procurement cycle, specific procurements, policies and procedures and general trends in the international development marketplace.

DBA was founded by two international development veterans, Brien Desilets and Lloyd Richardson. Over the past two decades, they have built an extensive network of contacts and insight into how these agencies conceive projects and contract with the private sector to implement them.