Specialities

Back-Office Support for Umbrella Companies

Improve Your Firm’s Profitability with Outsourced Back-Office Support for Umbrella Companies in the UK. Save Costs and Improve Margins with QX’s Bespoke Back-office Outsourcing.

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  • Up to 50% cost savings
  • Lightning-fast TAT
  • 99% Accuracy
Back-Office Support for Umbrella Companies in the UK

Tailored Back-office Solution for Umbrella Companies

Running an umbrella company is all about speed, accuracy, and compliance. But with high volumes of payroll processing, constant HMRC updates, and the need for quick turnaround, keeping everything running smoothly can put pressure on your in-house team.

That’s where QX comes in. We act as an extension of your back office, handling the heavy lifting so your team can focus on service delivery, client retention, and scaling the business.

From payroll to compliance, our back-office support outsourcing got it covered.

Whether you’re processing hundreds of payslips each week or need support with real-time RTI submissions and margin calculations, our specialist team is trained to handle it all. We understand the back-office operations and challenges umbrella companies face and tailor our support to match your needs.

Save up to 50% of operating cost and increase margins with QX’s bespoke umbrella companies back-office support.

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Identify:

We pinpoint gaps in your current processes and determine where our support is needed.

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Analyse:

We conduct a thorough analysis of your specific requirements.

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Deliver:

We provide a foolproof solution, customised to meet the unique needs of your business.

How We Streamline Your Umbrella Firm’s Operations

We simplify each step, ensuring seamless integration from initial scope to final delivery. Our umbrella company back-office operations are designed to enhance your efficiency and reduce your workload.

Scope of Work

Invoicing

  • Manage payroll inbox
  • Agency correspondence
  • Manage remittances
  • Process bulk payment schedules
  • Create assignments and time sheets
  • Raise invoices and emails to agencies
  • Manage margin reports
  • Query unidentified payments
  • Query missing remittances or breakdown

Payroll

  • Download bank feeds
  • Allocate payments to invoices
  • Tally the payments file with bank file
  • Process paid invoices
  • Generate BACS file
  • Generating and emailing payslips
  • RTI – EPS & FPS submission
  • Process holiday pay
  • Pensions
  • Process SSP/SMP payments
  • Assign court orders
  • Processing court order payments
  • Manage pension refunds
  • Update P45/Starter checklist
  • Pension auto-enrolment and opt-out notifications
  • Pension contribution and submission
  • Process P6 notifications

Onboarding & Registration

  • Contractor email correspondence and phone support
  • Introduction to umbrella company and services
  • Illustration to contractors
  • Onboarding and registration
  • Chasing documents for setup
  • Reviewing RTW and other documents
  • Getting employment contract signed
  • Email a welcome pack and assign to support team
  • Update agency regarding contractor setup and email company documents

Contractor Care

  • Welcome call
  • First payslip and tax code queries
  • Contractor email correspondence and phone support
  • Attend to P45 and P60 requests
  • Holiday pay requests
  • Income statement requests
  • Employment reference requests
  • SSP/SMP requests
  • Update contractor details (NI number/address) post sign up
  • Synchronise information across all portals – NEST, Payroll, CRM (if needed)
  • Create new agencies on the MDA
  • Manage agency contracts
  • Update regarding P6 notifications
  • Update regarding court order deductions
  • Liase with agency for payment updates
  • Portal support

 

Invoicing

  • Manage payroll inbox
  • Agency correspondence
  • Manage remittances
  • Process bulk payment schedules
  • Create assignments and time sheets
  • Raise invoices and emails to agencies
  • Manage margin reports
  • Query unidentified payments
  • Query missing remittances or breakdown

Payroll

  • Download bank feeds
  • Allocate payments to invoices
  • Tally the payments file with bank file
  • Process paid invoices
  • Generate BACS file
  • Generating and emailing payslips
  • RTI – EPS & FPS submission
  • Process holiday pay
  • Pensions
  • Process SSP/SMP payments
  • Assign court orders
  • Processing court order payments
  • Manage pension refunds
  • Update P45/Starter checklist
  • Pension auto-enrolment and opt-out notifications
  • Pension contribution and submission
  • Process P6 notifications

Onboarding & Registration

  • Contractor email correspondence and phone support
  • Introduction to umbrella company and services
  • Illustration to contractors
  • Onboarding and registration
  • Chasing documents for setup
  • Reviewing RTW and other documents
  • Getting employment contract signed
  • Email a welcome pack and assign to support team
  • Update agency regarding contractor setup and email company documents

Contractor Care

  • Welcome call
  • First payslip and tax code queries
  • Contractor email correspondence and phone support
  • Attend to P45 and P60 requests
  • Holiday pay requests
  • Income statement requests
  • Employment reference requests
  • SSP/SMP requests
  • Update contractor details (NI number/address) post sign up
  • Synchronise information across all portals – NEST, Payroll, CRM (if needed)
  • Create new agencies on the MDA
  • Manage agency contracts
  • Update regarding P6 notifications
  • Update regarding court order deductions
  • Liase with agency for payment updates
  • Portal support

 

Tackle Staff Shortages, Streamline Operations, and Grow Your Practice with our Tailored Support for Umbrella Companies

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Tackle Staff Shortages

Trusted By Industry Leaders

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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Discover the QXAS Difference in Umbrella Companies’ Support

Experience unparalleled efficiency, accuracy, and security tailored to elevate your back-office operations with tailored umbrella company support services.

Market Leaders in Outsourcing   
Market Leaders in Outsourcing
Managed FTE Solutions
Four-eyed Review Process
Four-eyed Review Process
Top-notch Talent
Top-notch Talent
Data Security Assured
100% Data Security Assured
Seamless Integration
Tighter Reporting & Governance
Tighter Reporting & Governance
Consistently high CSAT Scores
Consistently high CSAT Scores (>96%)

Software Capabilities

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

FAQs

Have questions? Find answers to all your doubts about outsourcing back-office support for umbrella companies and discover how QX’s strategic expertise can help transform your practice.

Back-office support for umbrella companies covers the operational work needed to run payroll, invoicing, contractor onboarding, compliance, and contractor care efficiently. It can include tasks such as RTI submissions, payslip processing, payment schedules, margin reporting, document checks, and contractor queries, helping umbrella companies manage high volumes without overloading their in-house teams.

QX Accounting Services (QXAS) can handle a wide range of back-office tasks for umbrella companies, including invoicing, payroll processing, RTI submissions, contractor onboarding, pension administration, and contractor queries. We also support agency correspondence, remittances, margin reporting, compliance documentation, and day-to-day contractor care.

Yes, QXAS can support high-volume, weekly umbrella payroll cycles, including processing hundreds of payslips each week. Our support covers payroll processing, BACS files, payslip generation, RTI submissions, pensions, and related payroll administration, helping maintain speed and accuracy at scale.

QX Accounting Services (QXAS) ensures HMRC and employment compliance by keeping its teams trained on the latest UK payroll and tax legislation, including PAYE and RTI requirements. Our processes are designed to keep payroll submissions accurate, timely, and aligned with current HMRC and employment regulations.

Yes, contractor and employee data is secure with QXAS. We use ISO-certified security practices and secure file transfer protocols (SFTP) to protect sensitive information. QXAS is also GDPR-compliant and holds ISO 27001, ISO 27701, and Cyber Essentials Plus certifications.

QXAS works with the payroll and accounting systems used by umbrella companies and can operate within your existing software and processes. Our teams are trained to work with platforms including QuickBooks, Xero, Moneysoft Payroll Manager, BrightPay, Merit, and Sage, supporting seamless integration and delivery.

Umbrella firms must outsource back-office work as it helps reduce operating costs, manage high-volume payroll efficiently and scale without adding significant in-house headcount. It also frees internal teams to focus on contractor relationships, compliance, client service and business growth.

QXAS can get your umbrella back-office support up and running quickly through a structured onboarding process tailored to your existing systems and workflows. Our team works alongside your current operations with minimal disruption, helping you transition efficiently and start scaling support as required.

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