5 Biggest Publishing Companies in the World

3. Wolters Kluwer

2022 Revenue of the Company: $6.14 billion

Wolters Kluwer publishing offers many options for researchers to enhance their global healthcare research visibility with open access to its online publications. Hybrid and completely open-access specialist titles are available in more than 300 journals. The firm also publishes compliance, tax, accounting, health, and legal books and textbooks in print and digital formats.