[6] Notable personalities hosted at The Churchill include Barack Obama on his 2008 pre-election presidential campaign when he stayed, and met Middle-East envoy Tony Blair, at the hotel.

The interior design references the young Winston Churchill and his wife Clementine, and includes an outdoor terrace leading to Seymour Street.

Guests attending the function included Joan Collins, Stanley Johnson, Andrew Neil and David Cameron.

[13] Since 2008 The Churchill has been the Main Hotel Partner of the Frieze Art Fair which takes place in Regent's Park.

[20] The Churchill also co-sponsors the annual Portman Square Garden Party to raise funds for charities in the Marylebone and Westminster area.

For the event the hotel collaborates with Home House, Locanda Locatelli, the Grazing Goat, Selfridges and Seddons.

[21] From 2008 to 2010 a total of £37,636 was raised for The Westminster Society and between 2011 and 2012 the Great Ormond Street Hospital received £11,000, and Brain Tumour Research, £14,000.