[1][2][3] Craigie's significant work includes the domed roof and restaurant additions to the Grosvenor Building, 72–80 Gordon Street (1902–07);[4][5][6][7][8][9][10][11] Art Nouveau remodelling of early 19th century tenement, 186–188 Argyle Street (1908);[12] the reconstruction of the Justiciary Buildings in Glasgow (1910–13);[13][14][15] Corona Bar, Langside (1912–13);[16][17] and St Mary's Parish Church, Kirkintilloch (1912–14).

[19][20][21] He worked closely with Frederick Marquis (later Lord Woolton) who subsequently became Managing Director of Lewis's.

They visited London, Liverpool, Manchester and Birmingham and incorporated all the knowledge acquired into the plans for the Glasgow Store.

Craigie's biggest difficulty was to find a sure method of keeping the River Clyde out of the basement.

[22][23][24] Craigie served as a captain in the Royal Engineers during the First World War, holding a commission in the 7th Battalion of the Highland Light Infantry from 1908, and was awarded the Territorial Decoration in 1917.