Highest salary at Solvay in year 2022 was $125,324. Number of employees at Solvay in year 2022 was 85. Average annual salary was $53,143 and median salary was $56,664. Solvay average salary is 13 percent higher than USA average and median salary is 30 percent higher than USA median salary. From 2021 to 2022, the median salary increased 3.2 percent.