He entered the medical service of the East India Company, and served chiefly in the Bombay presidency.
At the beginning of 1790 he responded to a request from Banks on the cotton industry with an extensive report.
[4] Scott worked also as an agent for the local manufacture of gunpowder in Bombay, and spirits, from 1796.
[6] After thirty years in India, Scott returned to England, and began practice at Bath, Somerset.
[9] Scott married Augusta Maria, daughter of Colonel Charles Frederick.
[7] One of the stained glass windows in the Garrison Church, Sydney, was installed in memory of Helenus and Augusta.