1. Approaching celebrities : Reach out to celebrities in your field add people who follow them.
2. Maintaining the group : Once you have a certain amount of followers, you have to maintain the group with quality content.
3. use the support tools.
Getting followers on Twitter can be easy if your profile is with entire bio and location and website link which will bring more trust on others. You can follow your target audience that matches with your business or to you.
Tweet frequently.
Optimize your posting time.
Post visual content.
Utilize hashtags.
Engage with replies, retweets and tags.
Create an inviting profile.
Identify followers within your network.
Draw in followers outside of Twitter.