The salary trajectory of a a Branch Manager ranges between locations and employers. The salary starts at £30,457 per year (estimate) and goes up to £117,206 per year (estimate) for the highest level of seniority.
The estimated average salary for a Branch Manager at O2 is £36,546 per year or £18 per hour, but some professionals have reported earning up to roughly £71,369 per year (90th percentile). The typical pay range is between £27,850 (25th percentile) and £50,369 (75th percentile) annually. This is based on 3 salaries submitted by O2 Branch Manager professionals on Glassdoor, as of Jul 2026.