'has a strong following' is correct and usable in written English. You can use it when talking about a person, organization, or other entity that has many supporters or fans. For example: "The singer quickly gained popularity and now has a strong following of dedicated fans."
Saatchi, of course, has a strong following on social media, boasting over 724,000 followers across Instagram, Twitter, Facebook and Pinterest.
Mr. Cahn still has a strong following.
Britain's Shazia Mirza has a strong following too.
The business has a strong following on social media and uses its channels to share photos of its creations.
Mr. Mutlaq, a former agronomist and a member of Parliament since 2006, has a strong following in Sunni strongholds.
A score above 50 on a scale of negative 100 to positive 100 suggests a company has a strong following.
Ocean sports, such as yachting and windsurfing, also have a strong following.
His quirky dramas and gangster thrillers have a strong following at home and a fervent cult status abroad.
His most recent residence has been Douar Hichar, a working-class neighborhood of Tunis where Islamists have a strong following.
Gwendoline Smith, a clinical psychologist, learned about Tumblr's mental health community from a friend, who had a strong following on the site.
Nevertheless, Brockhaus, Meyer, Larousse, and other encyclopaedias of the shorter-entry type have had and continue to have a strong following.
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Maria Pia Montoro
Terminologist and Q/A Analyst @ Translation Centre for the Bodies of the European Union