Congratulations - you realize the world has gone digital. To start on the digital path, you should consider building one or more of these assets:
Key question: Does your website properly dramatize your position? Does it answer the question for site visitors as to why they should buy from you instead of your competitors?
If you built the above properly, then you will already be marketing digitally. How? Your website properties should be attracting new customers organically (SEO and Google Business Listing) and you should be tracking basic interactions using an analytics package:
Key question: When the copy of your website was written, did it include the keywords you identified as important for your prospects to find you on the web? What indicators will tell you whether your SEO is working well?