Outsourced Payroll Services That Actually Make Life Easier
No more spreadsheets. No more missed deadlines. Simplex’s outsourced payroll services are built for UK businesses that want accuracy, reliability, and real support. We handle everything from payslips to pension submissions using tools that make sense, not stress. You stay focused on your team while we keep payroll running smoothly in the background.
Total Peace of Mind
No more late filings or unexpected penalties. We stay ahead of deadlines, keep your records tidy, and ensure full compliance with payroll legislation.
Run Payroll in Minutes
We take care of everything from payslips and tax codes to pension reporting and HMRC submissions. You will use clear, reliable tools like BrightPay and Modulr while we handle the rest.
Unlimited Personal Support
Call, WhatsApp, or email whenever you need to. You will always get through to a real person who knows your setup and cares about your business.
What Our Outsourced Payroll Services Cover
We support UK businesses of all sizes, including sole traders, limited companies, and growing teams who want to take payroll off their plate. Here is what we include:
✅ Weekly and monthly payroll runs
✅ Payslips, P45s, and P60s prepared for you
✅ Pension submissions and auto enrolment managed
✅ HMRC filings submitted on time
✅ Employee portals with secure access
✅ Simple tools like BrightPay and Modulr
✅ Direct support if HMRC issues come up
Whether you are paying just one staff member or a whole team, we make it smooth and stress free from day one.
“Lucy and the Simplex Team are super trust worthy. I am confident in their ability to sort out my business’ finance. They are quick, great communication and knowledgeable.”
Martini, Marketing Agency Owner
Payroll Is Just One Part of How We Support You
At Simplex, we look after your finances like they are our own. You will have someone to speak to who knows your business inside out. We keep things simple, explain what matters, and respond when you need us. You will always feel supported, never left chasing.
Why Small Businesses Choose Simplex
✨ You get clear answers without the technical waffle
✨ You do not have to wait days for a reply
✨ You use software that saves time, not creates extra admin
✨ You uncover tax savings you might be missing
✨ You feel supported, no more chasing for updates
“Lucy’s help for my business is invaluable. Knowing I don’t need to worry about my bookkeeping or tax returns means I can focus on growing my business. If you have any questions Lucy will always reply quickly in email or arrange a call where needs be.
I can’t recommend her enough.“
Susan-Marie, Marketing Agency Owner
Smart Tools, Simple Setup
We use simple, reliable tools to take the pressure off your payroll. We set everything up for you, walk you through how it works, and stay by your side whenever you need help.
Xero
Your financial control centre.
Keep your records up to date with payroll data synced directly to your accounts.
Modulr
Approve payments in just a few clicks.
Send wages and taxes securely without logging into your bank.
Brightpay
Run payroll without lifting a finger.
We prepare payslips, reports, and filings so you stay fully compliant and on time.
Getting Started is Easy!
We’ve made it simple for you to get the help you need:
Book a Free Call
Tell us about your business and what you need.
Send Your Info
Share your financial details securely online.
We Do the Work
We’ll sort your accounts and keep everything up to date.
Stay in Control
Get updates and support, so you always know where you stand.
Book your free discovery call! It will only take a minute
Time to Switch Accountants?
You don’t need to stay stuck with support that’s slow or confusing. Switching to Simplex is smooth and handled for you.
Seamless Transfer
We contact your previous accountant and securely move everything over, CIS, VAT, payroll and more.
No Disruption
Your accounts stay up to date while we handle the switch, so nothing gets missed.
A Fresh Start
We review your numbers, identify gaps, and get you set up with a clear plan that works for you.
Ready to switch? Let’s make it happen.
Helpful Resources
Your Questions, Answered
We know you might have some questions, and we’re here to make everything as clear and straightforward as possible. If you need more information, don’t hesitate to reach out—we’re always happy to help!
Outsourced payroll in the UK typically costs between £25 and £50 per month, depending on how many employees you have and the level of service included. Some providers charge per payslip, others offer fixed monthly fees. For small businesses, it’s often more cost-effective than managing it in-house. We keep our pricing simple and transparent so you know exactly what you’re paying for.
Outsourced payroll services take care of everything from calculating wages and PAYE to filing with HMRC and issuing payslips. You get a professional to run your payroll accurately and on time, without the stress. Whether you’re a sole director or have a growing team, outsourcing keeps your business compliant and frees up your time.
For most small businesses, outsourcing payroll is the smarter option. It saves time, reduces risk, and helps you stay compliant with HMRC. You also get expert support when you need it. If you’re spending too much time on payroll or worried about making mistakes, outsourcing could be a better fit.
Yes you can. Whether you’re a sole trader, limited company or employ a small team, your payroll can be fully outsourced. It’s a simple way to take the pressure off and make sure everything runs smoothly each month. We work with UK businesses of all sizes to keep their payroll stress-free and compliant.
For a small business in the UK, payroll costs usually range from £20 to £50 per month. This can include payslips, RTI submissions, and HMRC reporting. The exact price depends on how many employees you have. Outsourcing is often more affordable than doing it in-house, especially when you factor in time and software costs.
In most cases yes. Outsourcing payroll means you only pay for the service you need, without the extra cost of salaries, pensions, or training. For small businesses, it’s a cost-effective way to get professional support without the overheads of hiring someone in-house. It also saves you time and reduces risk.
