[2] Sullivan Buses vehicles frequently appear in film and television broadcasts and advertisements, partially because of the company location's proximity to the Elstree Studios.

[6] Starting from September 2012, Sullivan Buses won TfL tenders for school routes 628, 653, 683 and 688 from Arriva London.

[8] From 1 September 2018, Sullivan Buses axed a section of commercial route 398 between Watford and Borehamwood.

[11][12] In August 2024, Sullivan Buses announced that they would be ceasing operation of their 12 London routes, citing financial issues and penalties imposed by TfL as reasons.

[citation needed] This garage closed in August 2024 due to the cessation of Sullivan Buses' operations in London.