Illumio is a computer software company that develops zero-trust segmentation solutions for enterprises. The organisation employs roughly 620 people and has added more than 100 new team members while experiencing fewer than 70 departures, resulting in steady single-digit net growth. Hiring has outpaced attrition, indicating continued investment in both product innovation and customer engagement. Employees are distributed across North America, EMEA, and APAC, with the largest concentration in the San Francisco Bay Area.
Sales and Support is Illumio’s largest group at about 227 employees, accounting for a little over one-third of the workforce. Engineering follows closely with 181 employees, or roughly 29 %, underscoring the company’s commitment to product development and security research. Marketing and Product together house 68 employees, giving the go-to-market organisation nearly half of the total headcount when combined with Sales. Corporate functions such as Business Management, IT, Finance & Administration, Human Resources, Operations, and Program & Project Management make up the balance, each ranging from 5 to 35 employees, which provides the infrastructure needed to support growth.
Around 196 employees are based in the San Francisco, CA headquarters, making it Illumio’s primary talent hub. The company also maintains smaller but strategic offices in New York, London, Sydney, Denver, Boston, Chicago, Austin, and Tokyo, each ranging between 5 and 17 employees. A further 49 team members are distributed across additional locations, reflecting a hybrid and remote-friendly culture. This geographic footprint illustrates a North American core complemented by growing international teams in both EMEA and the Asia-Pacific region.