Seshadri Nathan Securities Pvt. Ltd. was formed in 2006 and invests family funds in Indian markets in listed and unlisted equity and other financial instruments. In addition, SNSPL was an authorised person with BSE and operated as a sub of Kotak Securities. It also provides equity research, valuation advisory, investor search, business brokerage and other advisory services to foreign clients.

SNSPL owns the service mark for Open Quiver to provide advisory services to individuals and corporates on finance and investments. Open Quiver is an anglicized version of the name of Seshadri's home town.