CIS Returns
The Construction Industry Scheme (CIS) applies to contractors and subcontractors working in construction and comes with specific rules and monthly reporting requirements.
Under CIS, contractors deduct tax from subcontractor payments and report these deductions to HMRC each month. Subcontractors then have these deductions taken into account when their tax is calculated.
CIS is separate from standard payroll and Self Assessment, so it needs to be managed correctly to avoid errors, missed deadlines, or incorrect deductions.
Picco Accounting Ltd provides dedicated CIS support for both contractors and subcontractors, with extensive experience working with construction businesses. We help you stay organised, compliant and confident with a clear, established CIS process.
Who Is CIS Support Suitable For?
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CIS support may be right for you if you:
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Work as a subcontractor in the construction industry
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Run a construction business and pay subcontractors
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Are registered under CIS (or need help registering)
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Need support with monthly CIS returns
Whether you’re just starting out or already operating under CIS, the rules need to be followed carefully.
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What is included in the CIS service?
CIS support can include:
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CIS registration with HMRC
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Verifying subcontractors
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Calculating CIS deductions
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Preparing and submitting monthly CIS returns
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Supporting subcontractors with CIS statements and CIS-related information
The level of support depends on whether you are a contractor, subcontractor, or both. CIS can be provided as a standalone service or alongside bookkeeping, payroll and tax returns — keeping everything aligned and avoiding duplication or confusion across different reporting requirements.