Discover how outsourced payroll services for UK accountants can eliminate compliance headaches, reduce costs by up to 60%, and help your practice scale. Free 20-hour trial available.
If you’re running an accounting practice in the UK, payroll is probably one of your biggest headaches. Tight deadlines, constant HMRC rule changes, pension auto-enrolment updates, and the ever-looming threat of RTI penalties make payroll time-consuming, high-risk, and increasingly difficult to scale profitably.
More and more UK accounting firms are choosing to outsource payroll – not because they can’t do it, but because doing so allows them to focus on higher-value advisory work, take on more clients, and slash operational costs by up to 60%.
This guide covers everything you need to know about outsourced payroll services for UK accountants – how it works, what it covers, what to look for in a provider, and how LekhaWekha can act as a seamless extension of your team.
The UK payroll landscape has become significantly more complex over the last five years.
Between Making Tax Digital (MTD), Real Time Information (RTI), evolving National Minimum Wage thresholds, and the expanding complexity of pension auto-enrolment, staying compliant has never been more demanding.
HMRC PENALTY ALERT: HMRC issued over £12 million in RTI late filing penalties in 2023/24 alone. For accountants managing multiple clients, a single missed submission can result in fines of £100-£400 per month, per PAYE scheme – and reputational damage that is much harder to recover from.
Hiring a dedicated in-house payroll administrator in the UK now costs between £28,000 and £40,000 per year in salary alone – before employer NI contributions, pension, holiday cover, and training. For small-to-medium practices, this overhead simply does not make sense when high-quality offshore delivery is available at a fraction of the cost.
Outsourced payroll for accountants means delegating the entire payroll function – or specific parts of it – to an external specialist team who process payroll on your behalf, using your existing software, under your branding.
This is fundamentally different from a payroll bureau that takes on direct relationships with your clients. When you outsource to LekhaWekha, you remain the face of service delivery. We work behind the scenes as your offshore payroll desk – your clients never even know we’re involved.
KEY POINT: Outsourced payroll for accountants = white-label back-office support. You keep the client relationship. We do the processing. Your brand, your margins, our expertise.
Payroll outsourcing isn’t a new concept – but the scale at which UK accounting firms are adopting it has accelerated dramatically since 2022. Here’s what the data shows:
Statistic | Figure |
UK accounting firms citing payroll as most time-intensive service | 78% |
UK payroll outsourcing market size (2024) | £8.4 Billion |
More clients managed per staff member when outsourcing vs in-house | 3x |
Firms reporting improved client satisfaction within 6 months | 92% |
Average cost saving by outsourcing to offshore payroll team | Up to 60% |
The trend is clear: outsourcing payroll is no longer just a cost-cutting measure – it’s a growth strategy. Firms that outsource are able to scale their payroll client base faster, maintain tighter compliance, and reinvest saved time into advisory and business development.
Replace expensive UK payroll hires with a certified offshore team at a fraction of the cost – no NI contributions, no pension, no holiday cover required from your practice.
Every submission handled on time, every time. Our team is trained specifically in UK PAYE, RTI, P60s, P11Ds, and HMRC gateway filings.
Add 50 new payroll clients without hiring a single new employee. Our capacity scales with your practice, not your overhead.
ISO-standard data handling, encrypted file transfer, secure VPN access, and full GDPR compliance across all processing.
Dedicated payroll desks with SLA-guaranteed turnaround. No capacity crunches at month-end or during peak payroll periods.
We work inside Xero, QuickBooks, Sage, BrightPay, IRIS, and Moneysoft. No migration, no disruption – just seamless delivery from Day 1.
End-of-day status updates, a dedicated account manager, clear SLAs, and real-time communication via Slack, Teams, or WhatsApp – your choice.
Let’s break down the real annual cost of managing payroll in-house versus outsourcing to a specialist team like LekhaWekha:
Cost Component | In-House (UK) | LekhaWekha (Outsourced) |
Base Salary | £30,000 | Included in service fee |
Employer National Insurance (15% on earnings above £5,000) | £3,750 | £0 |
Workplace Pension Contribution (3% minimum) | £900 | £0 |
Recruitment Costs (15–20% of first year salary, amortized over 3 years) | £1,800 | £0 |
Additional Benefits (holiday pay, sick pay, training) | £2,000 | £0 |
Office Space & Utilities (per employee) | £2,500 | £0 |
Professional Development & Training | £1,000 | £0 (our responsibility) |
Management & HR Administration | £800 | £0 |
TOTAL ANNUAL COST | £44,250 | Typically £12,000 – £22,000 |
REAL-WORLD SAVINGS: A mid-sized UK practice managing 80 payroll clients could save £22,000-£32,000 per year by switching from in-house to LekhaWekha’s outsourced model – while improving turnaround times and compliance accuracy.
We learn about your practice, your current payroll volume, software stack, and delivery timelines. No obligation, no sales pressure.
We run a live payroll cycle for your real clients – completely free. You see our accuracy, turnaround, and communication style before committing to anything.
We access your systems via secure VPN, cloud login, or file transfer – whichever you prefer.
We work on your software, your templates, your naming conventions.
Daily end-of-day status updates, a dedicated account manager, clear SLAs, and real-time communication via Slack, Teams, or WhatsApp – your choice.
Our team is certified and experienced across all major UK payroll platforms. You don’t need to change your software stack – we adapt to yours from Day 1.
Software | Details |
Xero Payroll | Full payroll processing, RTI submissions, and auto-enrolment within Xero |
Sage Payroll | Sage 50, Sage Business Cloud, and Sage One – all versions |
QuickBooks Payroll | QuickBooks Online Advanced Payroll and Standard Payroll |
BrightPay | Including BrightPay Connect for multi-employer management |
IRIS Payroll | IRIS PAYE-Master and IRIS Payroll Business for accountants |
Moneysoft | Moneysoft Payroll Manager – widely used by UK payroll bureaus |
Our service covers the full payroll cycle: PAYE and NI calculations, RTI (FPS/EPS) submissions to HMRC, payslip generation, pension auto-enrolment, P60 and P11D preparation, CIS returns, and ongoing query support - all operated inside your existing software.
Yes. LekhaWekha operates under strict GDPR-compliant data handling protocols. All data is transferred via encrypted channels (secure VPN, SFTP, or encrypted cloud platforms). We sign a Data Processing Agreement (DPA) with every client. We hold certifications with ICO, IFA, and IPA.
Most practices are fully onboarded within 3-5 working days. We can typically run your first live payroll cycle within the first week. Our 20-hour free trial often begins within 48 hours.
Absolutely. Our capacity can flex with your needs - whether you add 5 clients or 50. We have dedicated payroll desks with capacity management built in, so you never face a bottleneck.
Yes. Pension auto-enrolment is fully included: employee assessment, contribution calculations, submissions to NEST, The People's Pension, Aviva, re-enrolment cycle management, and declaration of compliance support.
We adapt to your preferred channel - email, Slack, Microsoft Teams, or WhatsApp. Every payroll run is accompanied by an end-of-day status update. A dedicated account manager is available throughout the working day for queries and escalations.
LekhaWekha is the specialist payroll outsourcing partner for UK accounting practices. Try our service completely free – no contract, no risk, no setup fees.
