The West is several places, not one. Jurong West is among the biggest HDB towns in Singapore, a grid of blocks near Boon Lay where most searches come from a flat owner who wants a job done this week.
Choa Chu Kang and Bukit Batok are family HDB towns with some condos mixed in, and Clementi has older HDB blocks next to private condos. Jurong East is different.
The Jurong Lake District is planned as a second business centre, and the malls, hospital and offices around the interchange create demand for office cleaning and property management, not home jobs. Tengah, further out, is a newer town still filling with residents.
The JTC industrial estates are a separate kind of customer again. Rush-hour drives across the West are long, so a crew based in Choa Chu Kang cannot sensibly take a Clementi job at six.
Most of your competition is firms that advertise to the whole island, and being specific to a town is how a small firm stands out.