He was earlier Executive Director of Wipro Limited.
"Senapaty brings a wealth of ideas, experience and wisdom which will benefit our young ambitious team," CimplyFive Founder and CEO Shankar Jaganathan said in a statement.
CimplyFive Secretarial Services is a pioneering start-up offering cloud-based solution for compliance with company laws in India.
"Across size and sectors, companies are increasing their compliance focus even as they plan to reduce the cost of compliance. CimplyFive is uniquely positioned to benefit from this trend," Senapaty said.