[3] Between 2012 and 2018, Marshall led the industrial design consultancy Map Project Office where he created successful products and user experiences for global brands like Virgin Atlantic[4] and Honda[5] as well as start-ups like BleepBleeps[6] and Sam Labs.
[23] In 2021 he was commissioned by UEFA to design the trophy for its new European club football competition, the Europa Conference League.
[24] His design features 32 hexagonal spines, which represent the 32 teams in the original group stage, curving upwards in a manner intended to resemble a football curling through the air towards the goal.
[25] In 2023 he worked with Pentagram partner Harry Pearce on the 50th anniversary box set to commemorate Pink Floyd's album The Dark Side of the Moon.
[27] Filmmaker Andrés Fraga filmed Marshall and his team visiting the factories that manufacture the DIY Flashlight for a documentary called Three Days in China.