Parcel2Go promises customers savings in excess of 50% on delivery services and argues that by providing cheaper and more efficient alternatives for micro-businesses, small retailers and consumers, it is disrupting a large and under-penetrated market.
Run by former DX Group chief executive James Greenbury, its executive chairman, the company recorded revenues of more than £100m in its most recent financial year - a figure which it will easily surpass in 2020.
The market in e-commerce for small businesses is expected to grow strongly, driven by the exploitation of online channels by previously offline businesses and the growth of digital marketplaces.
A spokesman for Mayfair, which also owns stakes in companies such as Ovo Energy and Yo! Sushi, declined to comment.