Stay Compliant and Stress-Free with Expert VAT Return Services
Never miss a deadline or overpay VAT again. Whether you are a sole trader or growing company, managing VAT can be confusing, time consuming and stressful. At Simplex, we take care of your VAT returns with precision, helping you stay compliant, avoid penalties and save money while keeping everything simple. With unlimited support by call, text or email, we are always here when you need us.
We Sort It All So You Don’t Have To
We handle every calculation and submit your VAT return using HMRC compliant software so you can stop worrying about deadlines and get on with running your business.
You Keep More of What’s Yours
From choosing the right VAT scheme to reclaiming every eligible expense, we make sure your VAT bill is as low as it should be with no missed opportunities.
Ask Us Anything Anytime
Text, call or email whenever you like. It’s all included and you will always get a clear, friendly answer from someone who knows your business.

What You Can Expect from Our VAT Return Service
We work with business owners across the UK who want to hand over their VAT and never think twice about it again. Whether you are VAT registered already or just crossed the threshold, we make sure everything runs smoothly from the very first return.
With Simplex, you can expect:
✅ VAT returns submitted accurately and on time
✅ Advice on the best scheme for your business
✅ All records stored digitally for full MTD compliance
✅ Clear guidance on what you can and cannot reclaim
✅ Real time submissions sent directly to HMRC
✅ Easy-to-use tools like Xero for tracking VAT
✅ Fast personal support if HMRC ever gets in touch
Everything is managed online but you will always have a real person to speak to when needed. No waiting, no confusion, no stress.
“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
Support That Goes Beyond the Numbers
At Simplex, we do more than just file your VAT return. We take the time to understand your business and explain things clearly so you always know where you stand. You will never be passed around or left waiting for a reply. You get direct access to a real accountant who knows your numbers inside out and is ready to help whenever you need support.


Why Businesses Choose Simplex
✨ We handle all submissions so you never miss a deadline
✨ You get help choosing the best VAT scheme for your setup
✨ We keep your records fully compliant with Making Tax Digital
✨ Our team responds quickly with clear, honest answers
✨ You feel supported, not overwhelmed by VAT rules
“Simplex have been an integral part of our new business, they have helped us navigate business set-up, HMRC & tax and accounting. Professional, knowledgeable, dynamic and local. We couldn’t ask for more.”
Neil, Construction Contractor
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.
dext
Receipts and records, sorted.
Snap receipts from your phone and send them straight to us, no paper, no piles.
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!
Most accountants in the UK charge between £100 and £250 for a VAT return, depending on how complex your records are. We offer fixed-fee VAT return services, so you’ll always know where you stand. If your bookkeeping is in good shape, we’ll keep things cost-effective and straightforward.
A VAT return service means we handle your VAT calculations, prepare the return, and submit it to HMRC on time. It ensures everything is accurate and compliant, and that you reclaim what you’re entitled to. We manage the whole process for you, so nothing gets missed.
You’re not legally required to use an accountant, but many business owners choose to. We make sure your VAT return is correct, submitted on time, and you don’t miss out on reclaiming anything. It’s a smart way to reduce stress and avoid HMRC issues.
Yes, you can file your own VAT return through compatible software under Making Tax Digital. If your records are well kept and you understand VAT rules, it’s doable. But if you’re unsure, it’s worth getting help to avoid errors or missing deadlines.
It can be simple if your bookkeeping is up to date and your transactions are straightforward. But if things are more complex or time’s tight, it can quickly become a hassle. We take care of it all, so you can stay focused on your business.
Some bookkeepers do handle VAT returns, especially if they manage your day-to-day records. However, they may not be qualified to offer VAT support or deal directly with HMRC. That’s where an accountant can add extra value and peace of mind.