[4][5] Shortly after her education, before leaving London, Tosin worked with Skidmore Owning and Merril's LLP London[1] between June and October 2007 after which she moved to Metropolitan Architecture in Rotterdam from January 2008 to January 2009, where she was part of a team of six that designed the proposed double-decker Forth Mainland Bridge meant to link Ajah and Ikorodu, in Lagos State.
[6][7] In January, 2009, after training in Europe and few years of practice, Tosin returned to Nigeria and joined James Cubitt Architects where she worked on the Nigerian Liquefied Natural Gas (NLNG) projects as lead architect, a project which Tosin, in an interview granted Future Lagos' Ayo Denton, said taught her involvement of stakeholders during design process.
The brand has had prominent Nigerian Entertainment acts including Adekunle Gold and Chidinma feature in different campaigns as muse.
[10][11] While her architectural aesthetic utilizes a minimalistic approach, the furniture designs of Ile Ila draw on the opposite end of the vibrancy spectrum and are known for its bold, colorful expressions.
Tosin's collections are handmade in Lagos incorporating iconic traditional West African fabrics and Nigerian teak wood.