Babcock & Brown LP was a global investment and advisory firm, established in 1977, based in Sydney, Australia, that went into liquidation in 2009. Babcock & Brown Securities LLC was an active investment banking firm focused on equipment and project financing such as aircraft, rail, marine and infrastructure and is based in Greenwich, CT, USA. It is unrelated to Babcock & Brown LP. Nicknamed the "Mini Macquarie", Babcock & Brown LP was a company frequently compared with larger competitor Macquarie Bank.