Having graduated from KLC in 2009, Rosie worked at Thorp Design, a high-end Interior Design Firm based in Knightsbridge. During her time there Rosie worked on various residential projects ranging from apartments in London to large country estates, working closely with the in-house architects to further develop her CAD skills. Rosie began working at Lambart and Browne, an Interior Design firm specialising in luxurious design for commercial and private clients. Here, Rosie was given the fantastic opportunity to work with couture designer Rifat Ozbek on Loulous, 5 Hertford Street. Rosanna Bossom Ltd is responsible for the design and installation of the top two floors of 5 Hertford St, again working alongside Rifat Ozbek.

Established in 2014 Rosanna Bossom Limited is currently a team of three. Sapphie trained at KLC graduating in 2012 and worked alongside Rosie at Lambart and Browne. She has subsequently joined Rosanna Bossom Limited in 2017. More recently Connie joined the team in early 2019.  Rosanna Bossom Limited engages in residential and commercial projects both in the UK and internationally.