In 1884, Carr and Owen formed the Daniel Owen and Co.

Later he merged with Kraayenhof to form Klynveld Kraayenhof & Co.

Following this he formed James Beard & Co.

The company had financial difficulties and Edward Howard left to form E. Howard & Co.

In 1864 the brothers formed a publishing business, Watts & Co.

He formed his own company, J. Vigor Brown and Co.

In 1871 Pemberton formed the stamp company James R. Grant and Co.

In 1884 he formed McWhirter & Co, which opened a works in Govan.

In 2006 he formed Christensen & Co.

It is the earliest of the predecessor institutions that eventually formed the current JPMorgan Chase & Co.