The site, which was founded in 2006, sells 20,000 products from over 700 small businesses in the UK. It also provides customers with a single basket and checkout, offering a service unavailable on the high street.
The company generated turnover of £100,000 in 2006. It has forecast revenue to increase to £3.5m by the end of 2008.
Spark Ventures provided notonthehighstreet with an undisclosed investment in 2007.