CIS Returns & Accounting Services for Contractors & Subcontractors
Managing CIS obligations can be time-consuming, particularly when you're focused on running projects, managing workers and meeting deadlines. Missing a filing deadline or making an error on a CIS return can lead to unnecessary HMRC issues and avoidable penalties.
We help contractors and subcontractors stay compliant with HMRC by managing CIS returns, verifying subcontractors and providing ongoing CIS support.
Construction Businesses We Support
The Construction Industry Scheme applies to a wide range of businesses operating within the construction sector. Whether you’re managing multiple subcontractors, working across several sites or carrying out specialist trade work, maintaining accurate CIS records and meeting HMRC requirements can quickly become time-consuming.
We support contractors, subcontractors and construction-related businesses across the UK with CIS compliance, monthly returns and ongoing administrative support.

Construction Contractors
Contractors are responsible for verifying subcontractors, applying the correct deductions and submitting monthly CIS returns. As projects and subcontractor numbers increase, maintaining accurate records becomes increasingly important.

Subcontractors
Subcontractors often need to keep track of CIS deductions, payment statements and records throughout the year. Having organised records can help simplify year-end reporting and provide greater visibility over income.

Builders & Tradespeople
Builders, joiners, bricklayers, plasterers and other tradespeople often balance project work with growing administrative responsibilities. Effective CIS processes can help reduce paperwork and improve compliance.

Electrical Contractors
Electrical businesses frequently work across multiple sites and projects while engaging subcontractors as workloads fluctuate. Accurate CIS administration helps maintain organised records and supports compliance obligations.

Plumbing & Heating Businesses
Managing subcontractor payments, project costs and CIS deductions can become increasingly complex as plumbing and heating businesses grow and take on larger projects.

General Construction Businesses
From small construction firms to established contractors, CIS responsibilities remain an important part of operating within the construction industry. Reliable processes can help reduce administrative pressure and support ongoing compliance.
CIS Services for Contractors & Subcontractors
Contractor CIS Returns
Preparing and submitting monthly CIS returns is an ongoing compliance responsibility for contractors. We help ensure returns are submitted accurately and on time, reducing the risk of avoidable penalties and administrative issues with HMRC.

Subcontractor Verification
Before making payments, contractors are required to verify subcontractors with HMRC. We can assist with the verification process and help ensure the correct deduction rates are applied from the outset.

CIS Deduction Calculations
Applying the correct deductions is an important part of CIS compliance. We help contractors calculate deductions accurately and maintain appropriate supporting records throughout the year.

Payment & Deduction Statements
Subcontractors are entitled to receive payment and deduction statements detailing CIS deductions made. We help businesses maintain accurate documentation and meet their reporting obligations.

HMRC Compliance & Deadlines
Managing CIS involves more than simply submitting returns. We help businesses stay on top of filing deadlines, record-keeping requirements and ongoing compliance responsibilities throughout the year.

Ongoing Support & Practical Guidance
Questions often arise when new subcontractors are engaged, projects change or HMRC requirements need clarification. We're available to provide practical support and guidance whenever needed.
Common CIS Challenges
Managing CIS responsibilities can become increasingly challenging when projects, subcontractors and reporting obligations all need attention at the same time. Below are some of the most common issues we see construction businesses encounter.

Monthly Filing Deadlines
CIS returns must be submitted on time each month, regardless of how busy projects become. Keeping track of deadlines while managing workers, subcontractors and ongoing jobs can be challenging, particularly during busy periods.

Subcontractor Verification
Before making payments, contractors are required to verify subcontractors with HMRC. Ensuring workers are verified correctly and the appropriate deduction rates are applied is an important part of managing CIS obligations.

Deduction Errors
Applying incorrect CIS deductions can create issues for both contractors and subcontractors. Identifying and correcting mistakes often takes additional time and can lead to avoidable administrative work.

Record Keeping Requirements
Construction businesses are required to maintain accurate records of subcontractor payments, deductions and supporting documentation. Keeping records organised throughout the year can help reduce problems later.

Managing Multiple Projects
As projects increase, CIS administration can become more difficult to manage. Different subcontractors, payment schedules and project timelines often create additional reporting responsibilities.

HMRC Penalties & Queries
Late returns, missing information or reporting errors can result in penalties and HMRC correspondence. Maintaining organised processes can help reduce the risk of avoidable issues.
Why Contractors & Subcontractors Choose RAIMS
Construction businesses already have enough to manage without worrying about monthly CIS returns, subcontractor records, and HMRC deadlines. Most contractors and subcontractors are simply looking for confidence that everything is being handled accurately and on time.
Straightforward Communication
CIS requirements can sometimes feel confusing, particularly when subcontractors, deductions, and filing obligations are involved. We explain requirements clearly, keep communication straightforward, and help clients understand what is required without unnecessary jargon.
Support Beyond Monthly Returns
CIS compliance involves more than submitting a monthly return. Questions can arise throughout the year when engaging new subcontractors, reviewing deductions, or dealing with HMRC correspondence. We're available to provide practical guidance whenever needed.
Accuracy & Reliability
Construction businesses rely on accurate records and timely submissions. We take a professional approach to CIS compliance, helping clients meet their obligations while reducing the risk of avoidable errors and penalties.
More Time To Focus On Projects
Managing workers, subcontractors, and project deadlines already demands significant attention. By taking care of CIS administration, we help clients spend less time dealing with paperwork and more time focusing on their business.
Frequently Asked Questions
What is the Construction Industry Scheme (CIS)?
Contractors who pay subcontractors for construction work are generally required to submit monthly CIS returns to HMRC.
When are CIS returns due?
Do subcontractors need to register for CIS?
What happens if a CIS return is submitted late?
Do contractors need to verify subcontractors?
How are CIS deductions calculated?
Can you help if previous CIS returns have been missed?
Can CIS work alongside payroll services?
How much do CIS return services cost?
Need Help Managing CIS Returns?
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