For their next task, each team has to create a brand new household item for markets that have yet to be tapped, pitching their design to two major retailers.
Lord Sugar assigns each team to purchase a selection of second-hand furniture, and then resell them for a higher price in their own retail space within London's East End.
Creating a brand new workout program, complete with promotional material, is the next challenge for teams, with each pitching their creation to a selection of gym chains.
Reinvesting in products that sell is the basis of the next task, as each team receives £150 from Lord Sugar to build up assets from buying and selling in Essex.
Each team must represent an up-and-coming urban artist, holding an exhibition of their work and make commissions through the sale of their pieces to visitors and corporate clients.
Teams find themselves tasked with providing a new brand identity for English sparkling wine, each creating their brand with a video advert and website, and pitching their concept to industry experts.
Each team faces the task of assisting a discount website in creating new offers, negotiating with high-end business and services to create exclusive bargains that will be attractive to potential customers.
In their penultimate task, teams find themselves each creating a brand new luxury product, complete with its own retail space, and pitching their ideas to industry experts
After facing tasks as teams, the four finalists now face their final task as individuals - a series of tough, gruelling interviews with four of Lord Sugar's most trusted associates to determine who is worthy of investment.