How Many People Work at Onesignal? Headcount and Employee Trends

OneSignal is a customer engagement platform best known for its multichannel push-notification and in-app messaging tools. The company maintains a workforce of roughly 160 employees and has recently added more than twenty new team members, expanding its staff by about one-seventh while experiencing modest attrition. These staffing patterns underscore a measured growth strategy that balances new hiring with employee retention across its global offices.

Engineering is OneSignal’s largest department with just over 60 employees, accounting for close to two-fifths of total headcount and highlighting the firm’s product-driven culture. Sales and Support follows with a little more than 40 team members, ensuring customer acquisition and post-sale service scale alongside product development. Marketing and Product collectively comprise around 30 employees and play a key role in brand positioning and feature roadmap execution. Finance, IT, Business Management, Operations, Human Resources, and Consulting make up the remainder of the organization, each numbering in the single digits and providing the operational backbone needed to support OneSignal’s platform.

Headquarters functions are concentrated in San Francisco, where roughly 60 employees—about one-third of the staff—are based. New York is the second-largest office with more than 20 team members, followed by smaller hubs in Los Angeles, London, San Diego, San Jose, and Austin. Additional personnel are distributed across Singapore, Palo Alto, and various remote locations, which collectively represent about 40 employees. This multi-city footprint enables OneSignal to tap into diverse talent pools while maintaining proximity to customers in North America, Europe, and Asia-Pacific.