Brennan Employee Directory
IT Services and IT ConsultingNew South Wales, Australia1001-5000 Employees
Brennan has about 1.1K employees across 4 continents, most of them in Oceania. By country, the largest groups are Australia (54%), India (26%) and Sri Lanka (10%). Consulting and Engineering make up 31% of the profiles with a known department. Brennan's workforce spans 29 departments. Brennan's workforce grew 10% between July 2025 and July 2026.