Celta was a leading player in developing the brokerage market in Chile and Brazil. In the early 1990s, Celta advised the central banks of both countries on the regulations that now affect futures trading.

Celta has also advised companies that wish to establish and implement metal hedging strategies. Celta has developed a close relationship with virtually all the significant companies operating in these countries and that are active in the LME.

After representing Brandeis Brokers Ltd. and Standard Bank London Ltd., starting in March 2004 Celta began to represent Macquarie Bank Ltd. of London in the brokerage field.