Firstsource Solutions employees working as Customer Service Advisor in US have attributed a compensation and benefits rating of 3 out of 5 stars, based on 1 ratings. This is in line with the average of Customer Service Advisor professionals at Firstsource Solutions worldwide.
The salary trajectory of a Customer Service Advisor 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 Customer Service Advisor at Firstsource Solutions is £57,655 per year or £28 per hour, but some professionals have reported earning up to roughly £97,553 per year (90th percentile). The typical pay range is between £43,972 (25th percentile) and £76,303 (75th percentile) annually. This is based on 289 salaries submitted by Firstsource Solutions Customer Service Advisor professionals on Glassdoor, as of Jun 2026.