Here McKenzie and his clerk Herbert Margary, wrote up the farm accounts and daily bookkeeping.
Margary said of McKenzie that he:
"understood no more of bookkeeping than a boy who had been not more than six months in a country".
However, Craigflower was the most successful of the four Puget's Sound Agricultural Company farms on Vancouver Island, and McKenzie's energetic nature brought the Craigflower Flour mill, Bake house, and Brickworks into being.