Services they offer
Company goals differ with business and so the digital marketing strategies also differ. So, in the beginning, you need to determine the digital services that you will need in order to achieve your goals and check whether the company you opt for provides you with the services that you are looking for. Choosing a 360° digital marketing services agency would work better and can approach a different agency for your future digital needs that can build you the best at the top.
Look at the kind of internet marketing agency that deals with online marketing and has worked for clients in your niche and offers the services you need.
The Portfolio
Reputation
There are many different possibilities to know about an agency organically, on social media, through ads, and so on. Check what their reviews and testimonials say about them. These reviews give you an idea about how a digital marketing agency works and how credible they are at what they do.
The kind of reputation the agency needs to be affiliated with a proven track record avail their services. They own a solid reputation and often get the best ad campaigns to look at followers and review Google reviews on them.