There are 3 ways to do marketing for your online store: Educate yourself and handle marketing on your own: Takes a lot of time to accumulate expertise. Hire an in-house marketing specialist: Specialists often have 1-3 focus areas, while you will need around 6 services for e-commerce.  Work with an agency: They have the necessary expertise and manpower to handle all the e-commerce marketing services of your brand. As you can tell, working with an agency for your e-commerce marketing needs is the most effective way to promote your store.