Use this simple calculator will help you work out exactly what you'll pay in 2020 for the tax year 2018-2019.
Be aware that this is only a guide. You will receive confirmation of exactly what you'll pay on the assessment that you'll receive in Spring 2020.
These calculations assume that all of your CIS operatives receive deductions at 20%. If you have subcontractors paid at 30%, the actual amount you'll pay for the levy is likely to be lower.
Have some questions around the CITB Levy? Read our guide on Everything you need to know about the CITB Levy.