Construction and Umbrella Payroll Services London
Expert CIS Payroll & Accounting: Keeping Your Business Compliant and Profitable
Our expertise lies in providing outsourced CIS payroll services tailored to the construction industry, as well as accountancy services designed to facilitate business growth.
We also mitigate payroll risks related to IR35, employment law, and HMRC compliance, keeping your operations secure and under your control.
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Elevate Your Compliance with Integrated Payroll & Accountancy
Managing a modern workforce requires more than processing payments; it demands rigorous adherence to evolving legislation. At The Infinity Group, we leverage our deep expertise in outsourced payroll and accounting to safeguard your business against regulatory risk. By integrating our payroll and accountancy services, we deliver a unified solution that benefits both your company and your subcontractors.
Our expert team ensures your business is protected by handling off-payroll compliance and right-to-work checks, while our dedicated accountants monitor your financial health with real-time regulatory updates to help you stay proactive and protected.
OUR ESSENTIAL SERVICES
CIS Payroll
Our CIS payroll solution is specifically built to support construction companies, secure your business against HMRC reclassification, and make it easy to make payments to subcontractors, verify, and record compliance documents.
Fully Managed Payroll
We manage the entire payroll process, including validating data inputs such as hours worked, commissions, and bonuses; calculating gross-to-net pay; managing deductions; and preparing a detailed payment summary. This enables you to set up your own direct deposit arrangements for employees.
Umbrella Payroll
To the companies that are interested in providing the employees with employment benefits but are not ready to launch their own PAYE system. We are the employer who is taking care of taxes and contributions
HMRC
Compliance
We maintain HMRC-compliant structures throughout your payroll and CIS processes. Our systems are aligned with the latest legislation, keeping you safe from reclassification and audits while giving you confidence in every submission.
Accountancy Services
Our team of Chartered Accountants is here to ensure your financial data is handled with the highest standards of professional integrity and technical precision. Whether you are an individual, a business, we simplify the complexities of the tax system so you can focus on what you do best.
Human Resources Services
We believe that HR isn’t about managing paperwork—it’s about empowering people. We bridge the gap between complex compliance and a thriving company culture. Whether you are scaling your first team or optimising an established workforce, we provide the strategic tools and human touch your business (and your employees) need to grow.
Helpful and trustworthy
Great service
Efficient
Very helpful
The Infinity Group is here to help you. Consistently providing the best-outsourced payroll services in the industry.
Our Compliance Guarantee
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HMRC Registered: As of April 2026, we are fully registered as tax advisers with HMRC, meeting all new regulatory standards for payroll service providers.
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Data Sovereignty: All data is stored on UK-based servers, fully compliant with UK GDPR and the Data Protection Act 2018.
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Audit-Ready Trails: Every pay change, tax code update, and RTI report is archived, giving you a 100% transparent audit trail for HMRC inspections.
The End-to-End Compliance Fortress
In a landscape of shifting legislation, we don’t just process payroll—we absorb your risk. From the moment of engagement to the final payment, our process is designed to insulate your business from HMRC inquiries and employment tribunals.
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Full Financial Indemnity: We Take the Risk
Most providers offer “support” or “advice.” We offer Protection. Our service includes full financial indemnity for employment law and tax matters. If there is a challenge from HMRC or a claim regarding employment status, we stand in the gap.
Get In Touch
If you have any questions about contracting with Infinity, contact our team, who will talk you through the setup process, answer any questions you may have or arrange an appointment to discuss our services further.


