Brave won the competitive pitch against three other agencies, and has been tasked with developing TV, outdoor, press and digital ads. It will also advise on brand strategy, branding work and HouseSimple’s site development.
HouseSimple was founded eight years ago and allows sellers to pick and choose services, making it cheaper than a conventional estate agent. Its rivals include Purplebricks and easyProperty.
Alex Gosling, co-founder and managing director of HouseSimple, said: "From the first meeting it was clear Brave understood our brand and, equally importantly, our ambition for the next stage of HouseSimple’s growth.
"It is a pivotal time for the HouseSimple business and we’re excited to have an equally ambitious creative partner in Brave."
