The salary trajectory of a Senior Project Manager ranges between locations and employers. The salary starts at £39,080 per year (estimate) and goes up to £83,078 per year (estimate) for the highest level of seniority.
The estimated average salary for a Senior Project Manager at OneAdvanced is £144,130 per year or £69 per hour, but some professionals have reported earning up to roughly £227,633 per year (90th percentile). The typical pay range is between £114,147 (25th percentile) and £183,896 (75th percentile) annually. This is based on 27 salaries submitted by OneAdvanced Senior Project Manager professionals on Glassdoor, as of Jul 2026.