Grendon International Research (GIR) is a research, publishing and consultancy company that focuses on the gold industry.

GIR, incorporated in 1989, has published standard reference books for the international gold market, including Gold Refiners & Bars Worldwide (1991), The Industry Catalogue of Gold Bars Worldwide (1998), The Industry Catalogue of Gold Bullion Coins (1999) and An Introduction to the Indian Gold Market (2002).

In 2007, GIR established the Gold Bars Worldwide website, the industry’s primary source of information on widely-traded gold bars, gold bullion coins and the world’s leading gold refiners. The World Gold Council is the major sponsor.

In 1993, GIR established The Industry Collection of Gold Bars Worldwide with support from N.M. Rothschild & Sons (Australia) Limited. There is a permanent Exhibition at The Perth Mint, Australia.