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Calculate CIS Tax Deductions.
This calculator helps calculate any necessary CIS tax deductions.
The cost of all labour charged (net of travel and subsistence and any VAT charged by the sub contractor).
The cost of all materials supplied (Include VAT if the sub contractor is not VAT registered).
Is the subcontractor verified with HMRC for payment under deduction?
Note: These calculations are only for illustrative purposes and are not a substitute for professional advice.
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More than 110,000 unrepresented taxpayers who must register for Making Tax Digital (MTD) from April 2026 have still not done so, according to the Low Incomes Tax Reform Group (LITRG).
Government plans to extend the rules requiring some taxpayers to declare 'uncertain' tax positions risk creating more uncertainty, compliance burdens and tax disputes according to the CIOT.