Highest salary at Solvay in year 2024 was $143,989. Number of employees at Solvay in year 2024 was 91. Average annual salary was $50,890 and median salary was $40,330. Solvay average salary is 9 percent higher than USA average and median salary is 7 percent lower than USA median salary. From 2023 to 2024, the average salary of employees at this employer increased 0.4 percent.