Tired of Generic Accounting Support? You Deserve Better.
Many UK business owners feel overwhelmed by unclear pricing, unexpected bills, and advisors who barely return their calls. At Simplex, we believe in changing that. Our business accounting packages are built around you; tailored to your size, sector, and goals. From sole traders to limited companies, we simplify your finances, maximise your tax savings, and give you peace of mind with proactive, personalised support.
Fixed monthly fees
Know exactly what you’re paying with clear pricing and no hidden costs. All communication, including calls, texts and emails, is included.
Support that fits you
We handle the numbers so you can focus on running your business. From tax returns to payroll, we’ve got you covered.
Easy digital tools
Use Xero, BrightPay and Modulr with full setup and training. Simple to use, with everything in one place.
What’s Included in Our Services
Everything you need, nothing you don’t. Our packages are designed to keep your business compliant, organised and stress-free.
✅ Annual accounts and Corporation Tax filing
✅ Monthly or quarterly management reports
✅ Bookkeeping and bank reconciliations
✅ VAT returns
✅ Payroll for directors or staff
✅ Regular check-ins and planning sessions
✅ Tax efficiency reviews
✅ Unlimited communication via call, text or email
✅ Setup and access to Xero, BrightPay and Modulr
✅ Priority response within 48 hours
“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
Fully Remote, Fully Supported
Simplex is a 100% remote accounting firm, which means no travel, no paperwork and no waiting around for meetings. You’ll get fast, friendly support wherever you are in the UK by phone, WhatsApp, email or Zoom.
✅ Manage your finances from anywhere
✅ Sign documents securely online
✅ Upload receipts and invoices in seconds
✅ Get reminders and updates straight to your phone
Whether you’re on the go or working from home, we’re always just a message away.
Why Businesses Choose Simplex
✨ Personal support from your own dedicated accountant
✨ Unlimited calls, texts and emails included in every plan
✨ Clear, fixed monthly pricing with no surprise fees
✨ Award-winning team trusted by sole traders across the UK
✨ Easy, reliable bookkeeping with all the tools set up for you
Simplex makes monthly accounting simple, affordable and reliable. You can focus on growing your business.
“Lucy and the team have been very helpful with their accounting services. I’ve always had my accounts filed on time, and the support has been helpful.”
Sherilyn, Marketing
Simple Accounting
We set you up with easy, reliable tools so your finances stay organised without adding to your to-do list. Everything is customised for the way you work, and we’re always here if you need help.
Xero
Stay organised without spreadsheets.
See your income, expenses and invoices in one place, always up to date and ready when you need it.
dext
No more chasing receipts.
Snap a photo or forward an email, and your bills and receipts are stored, sorted and matched to your accounts.
brightpay
Stress-free payroll.
Payslips, pensions and submissions are taken care of, always on time and fully compliant with HMRC
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!
We recommend Xero for most UK small businesses. It is cloud-based, HMRC-recognised and makes day-to-day bookkeeping much easier. Xero connects with your bank, lets you send invoices in seconds and gives a clear view of your cash flow. It is also great for working with your accountant in real time. We help clients get set up and make the most of Xero from day one.
We offer clear, fixed-fee service plans tailored to what your business actually needs. Whether you are just starting out or growing fast, we make sure you get the right level of support without paying for extras you do not need. From bookkeeping to VAT and year-end accounts, our packages are built to keep things simple, affordable and stress-free.
Xero and QuickBooks are both strong options, but we find Xero works best for most UK small businesses. It offers clean design, real-time collaboration and smooth bank feeds. QuickBooks has good tools too, especially for cash flow and VAT. The best choice depends on how your business runs. We help you pick the right system and get it working properly from day one.
The main types of accounting systems are cash, accrual, single entry and double entry. Cash and accrual are the most common for UK small businesses. The system you use affects how you record income and expenses, and how you report to HMRC. We help you pick the right one to keep things simple and compliant.
What you spend on an accountant depends on the support you need. Some just want help at year end, others need ongoing support with VAT, payroll or bookkeeping. We offer fixed monthly packages tailored to small business owners, so you always know what is included. The right accountant will often save you more than they cost.
Xero is actually a better choice than both QuickBooks and Excel for most small businesses. It gives you live bank feeds, easy invoicing and full VAT tracking all in one place. Excel is prone to errors and manual work, while Xero keeps things simple and accurate. We help our clients set up Xero properly so they can save time and stay on top of their numbers.
