Contractor accounting can be fast-paced and admin-heavy. Managing multiple client queries, keeping up with changing regulations, and processing dozens of similar returns can take a toll on your team’s time and your firm’s profits.
At QXAS, we help take the pressure off with tailored back-office solution for contractor accounting firms.
Our team of trained accountants handles the day-to-day tasks across all your contractor clients, from setting up limited companies and managing VAT filings to processing payroll and preparing year-end accounts. With our back-office support outsourcing, you can deliver accurate, timely services to clients while freeing up your in-house team to focus on growth and client relationships.
Whether you support a handful of contractors or run a large-scale contractor-focused practice, our accounting services for contractors scale with you.
Save up to 50% of costs with QXAS’s back-office support for contractor accounting companies.
We pinpoint gaps in your current processes and determine where our support is needed.
We conduct a thorough analysis of your specific requirements.
We provide a foolproof solution, customised to meet the unique needs of your business.
We simplify each step, ensuring seamless integration from initial scope to final delivery. Reduce your team’s workload and enhance efficiency with bespoke contractor accounting firms back-office support.

Backed by two decades of experience and a 96% CSAT score, we’re the go-to choice for 350+ accounting firms managing high-volume accounting and back-office workload with confidence.




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Experience unparalleled efficiency, accuracy, and security tailored to elevate your firm’s operations with QX’s contractor accounting services








Your software, our expertise – the QX team of expert accountants is trained to use the tools you trust, ensuring a seamless and efficient process.






Have questions? Find answers to all your doubts about outsourcing back-office support for contractor accounting firms and discover how QX’s strategic expertise can help transform your practice.
Back-office support for contractor accounting firms involves handling routine accounting and administrative tasks such as bookkeeping, payroll, VAT, taxation, year-end accounts and company setup. It helps contractor-focused firms reduce workload, improve turnaround times, and free their in-house teams to focus on clients and growth.
QX Accounting Services can handle contractor accounting tasks including company formation, bookkeeping, VAT, payroll, CIS returns, IR35 assessments, taxation, and year-end accounts. This end-to-end support helps contractor accountants manage high-volume workloads while reducing pressure on their in-house teams.
Yes, outsourced contractor accounting support can be secure and compliant when delivered by a provider with robust data protection and quality controls. QX Accounting Services follows GDPR requirements and holds ISO 27001, ISO 27701, and Cyber Essentials Plus certifications, with secure data transfer protocols to protect sensitive client information.
Yes, QX Accounting Services can support contractor accounting firms of any size, from practices managing a handful of contractors to large-scale contractor-focused firms. Our support scales with your workload and can be tailored to your specific processes, systems, and service requirements.
Yes, our team is trained in IR35 and CIS legislation and works with contractor accounting firms to ensure compliance with HMRC guidelines. We can assist with assessments, filings, and ongoing monitoring.
QX Accounting Services (QXAS) works with a wide range of accounting software, including Xero, QuickBooks, Sage, and other platforms commonly used by contractor accounting firms. Our teams can work within your existing systems and processes, so you do not need to change software to access contractor accounting support.
QXAS can get your contractor accounting support up and running within a matter of days once your requirements and processes are understood. The onboarding process is designed to be fast and flexible, with the team integrating into your existing workflows with minimal disruption.
Explore outsourcing solutions, request a no-obligation trial or discuss your practice’s needs with our expert consultants.