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CIS Compliance for Employers.

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Simplify Your CIS Compliance

As an employer hiring subcontractors under the Construction Industry Scheme (CIS), you face a maze of administrative and compliance challenges. These include anything from verifying subcontractor registration to calculating accurate deductions and submitting timely monthly returns to HMRC. We design our CIS compliance services to lift the admin burden, ensuring you stay compliant, avoid penalties, and maintain smooth contractor relationships.

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CIS Support for Construction Firms, Subcontractors and Contractors

Registration & Setup

We support you (and your subcontractors) through the initial registration process and make sure you're correctly set up with HMRC as a contractor.

Subcontractor Verification

Before payment, we verify each subcontractor to determine the correct tax deduction rate and prevent costly errors.

Monthly Returns & Deduction Statements

We submit monthly CIS returns to HMRC, issue deduction statements to subcontractors, and let you know exactly what to pay, when, and how.

Refunds & Offset Claims

We help subcontractors and limited companies claim CIS tax refunds or offset deductions against liabilities.

Why Choose Loucas?

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Practical Expertise

We don't just process CIS returns. We advise on everything from how CIS affects your job pricing to when and why a subcontractor should go on payroll.

Joined-Up Support

Payroll, tax, accounting - our team looks at your full business picture to ensure your CIS strategy fits with everything else you’re managing.

Consistent People, Trusted Advice

We're a dedicated team. That means continuity, fast answers, and real relationships built on understanding your business.

Fully Managed or One-Off Help

Whether you need a complete CIS service, a refund claim, or help fixing past mistakes, we’re flexible to what you need.

Wherever You Are, We're Here for You

Based in Kent with offices across London and the Southeast we support a wide range of local and uk wide construction industry clients.

  • Sole Traders & Small Firms
    Just taken on your first subcontractor? We’ll get you set up, registered, and running compliantly - fast.
  • Growing Construction Businesses
    Scaling up your team or winning larger contracts? We’ll keep your submissions accurate and on time, while helping you stay on top of tax planning.
  • Large Contractors & Developers
    Processing returns for hundreds of subcontractors? Our systems and support scale with you - giving you peace of mind, month after month.
  • Subcontractors Seeking Refunds
    We also help subcontractors claim their CIS refunds and avoid delays by submitting clear, compliant records to HMRC.

How Our CIS Service Works

We begin by making sure you're properly registered with HMRC, and that your subcontractors are correctly verified before any payments are made. From there, we handle all the monthly admin - submitting returns, issuing deduction statements, and advising you on what to pay and when.

But our service goes beyond ticking boxes. We'll help you understand how CIS affects your pricing, apply for gross payment status if eligible, and ensure your wider payroll and tax setup is working in harmony. Whether you have one subcontractor or a hundred, we make CIS compliance smooth and straightforward.

How we work

"Being the Difference" is the Loucas way of working - and the promise behind everything we do.

It means taking time to understand your business and where you're going. It means working side by side - not just showing up when returns are due. And it means helping you prosper, with advice that’s practical, forward-looking, and always on your side.

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What our clients say

Book a CIS Compliance Review

Not sure if your subcontractor setup is fully compliant? Book a call and we'll walk you through your current risks, obligations, and options.