The following steps can be used as an effective marketing strategy for promoting your locksmith business: a. Run TV ads campaign on local area TV channels. b. You can easily run ads on the internet by targeting your city using Google ads or Facebook ads. c. Create a website update it frequently and post customer reviews to attract others. d. Register your business on "Google My Business". Ask your customers to leave a review on GMB. e. Create a Facebook page & invite your local friends to like the page. By doing this your friends will come to know about your business. f. Open your office in the main market of your city/town.