A total of 764 investors helped the grab and go chain raise £1.6m on Crowdcube.
Hop, which currently has five London sites, plans to use the funding to launch a further 20 locations in the next four years, as well as begin a rollout of dark kitchens in the capital and other major cities.
The company says it is in negotiations with one of the country’s leading concession operators to open sites in UK transport hubs.
Hop’s investors include Burger King chairman Martin Robertson and Andrew Walker, former managing director of Pret a Manger and EAT.
Hop was founded in 2014 and runs its flagship restaurant at the bottom of the Leadenhall Building, also known as the ‘Cheese Grater’, in the City of London.