For growing startup in scale faster the digital marketing companies follow these steps:
1. Increasing online presence by making a good website.
2. By using SEO, they increase search engine ranking to attract more people.
3. They run PPC ads to attract more people from social media.
They also run more of the services, like social media campaigns and good content for websites to build user trust; they also run some of the email campaigns, etc. These are some of the services that digital marketing company in USA do to make startups grow online.