CIS Accountants for UK Contractors & Subcontractors
Expert CIS Accounting Services – Stay Compliant, Get Paid Correctly, and Reduce Tax Stress
Working in the construction industry comes with unique financial responsibilities, and the Construction Industry Scheme (CIS) adds even more layers. At Pro-AccX, we provide specialist CIS accountants to support contractors and subcontractors with everything from registration and deductions to CIS returns and tax efficiency.
Whether you’re a sole trader, subcontractor, or a growing construction firm, our CIS accounting services help you stay on top of your obligations and avoid costly mistakes.
What’s Included in Our CIS Accounting Services
We provide end-to-end CIS support, tailored for small businesses in construction:
Common CIS Challenges We Help Solve
We work with dozens of small construction firms and tradespeople. Here are just a few of the challenges we handle daily:
- Missed CIS return deadlines
We file on time every month to avoid HMRC penalties. - Incorrect subcontractor deductions
We ensure every deduction is calculated and recorded accurately. - Confusion over contractor vs subcontractor status
We clarify your role and handle the correct setup and returns. - Lost tax due to over-deductions
We help subcontractors reclaim overpaid tax through self-assessments. - HMRC verifications
We manage the verification process and handle rate tracking for new subcontractors. - Bookkeeping gaps and mismatched records
We keep your CIS records aligned with your bookkeeping, avoiding future issues.
Who Needs CIS Accountants?
Our services are ideal for:
- Subcontractors working under CIS who want to maximise refunds and stay compliant
- Contractors who need help managing deductions and monthly CIS submissions
- Construction businesses looking for outsourced support with CIS compliance
- Sole traders and limited companies in building, electrical, plumbing, scaffolding, and related trades
If you work in construction and deal with CIS, we can save you time, money, and hassle.
Remote CIS Accounting Services, UK-Wide
Our service is 100% remote, meaning we can support construction professionals anywhere in the UK.
From builders in Guildford to subcontractors in Glasgow, our secure, digital-first approach makes compliance simple and accessible.
Industries
We enjoy working with a wide variety of service businesses.
We work with businesses in professional services, construction, e-commerce, tech, and more, providing financial clarity that supports smarter decisions and sustained growth.
Why Choose Pro-AccX?
At Pro-AccX, we’re specialists in helping construction professionals stay compliant and tax-efficient under the Construction Industry Scheme. We understand the unique pressures of the building trade — and provide tailored support that makes life easier.
How Our CIS Accounting Service Works
It starts with a free consultation where we understand your business setup, whether you’re a sole trader, limited company, contractor, or subcontractor.
Then we:
- Register you with HMRC (if needed)
- Set up CIS deduction processes and reporting
- Provide monthly returns, statements, and tax reminders
- Offer year-round support for questions or compliance advice
You get a dedicated accountant, fixed monthly pricing, and all communication handled remotely and securely.
What Sets Us Apart
- CIS Specialists – We understand the Construction Industry Scheme inside out.
- Remote & Nationwide – Support wherever you are in the UK.
- On-Time Submissions – Never miss a CIS return deadline again.
- Subcontractor Refund Help – Maximise your tax return and get what you’re owed.
- Simple Pricing – Clear, fixed monthly fees — no hourly rates or surprises.
- One Point of Contact – You’ll always deal with the same dedicated accountant.
Discover Our Accountancy Services
From day-to-day bookkeeping and payroll to VAT returns, tax compliance, and detailed management reporting, Pro-AccX offers a complete range of accountancy services tailored to the needs of small businesses across the UK.
Management Accounts
Accurate financial reporting is essential to making informed decisions in your business.
Statuatory Accounts
Ensure your business stays compliant with expertly prepared statutory accounts.
VAT Returns
We help you navigate the regulations and complexities of VAT
Payroll
Take the hassle out of payroll processing with our reliable and compliant payroll service.
