The salary trajectory of a Investment Associate ranges between locations and employers. The salary starts at £0 per year (estimate) and goes up to £0 per year (estimate) for the highest level of seniority.
The estimated average salary for a Investment Associate at Aon is £155,251 per year or £75 per hour, but some professionals have reported earning up to roughly £264,257 per year (90th percentile). The typical pay range is between £118,517 (25th percentile) and £206,571 (75th percentile) annually. This is based on 124 salaries submitted by Aon Investment Associate professionals on Glassdoor, as of Jun 2026.