Llewellyn consulting was founded by John Llewellyn and Partners, a former Chief Economist at Lehman Brothers and Nomura. Previously, John Llewellyn spent over 20 years at the OECD in various senior roles. Now offering economic consulting and advisory with particularly focus on the impact of new technologies and macroeconomics. 

We use our depth of experience and breadth of expertise to provide early insight into key developments, turning points, risk, and implications for markets and economies.

​Based in the City of London, we operate with a wide network of associates, recognised experts, and business partners, and have global reach.

We serve our clients through a bespoke range of services and subscription-based research.