Bookkeeping that clears your head, not just your books.
Simplex helps business owners across the UK take back control of their finances and their time. No more chasing receipts. No more late VAT returns. No more wondering where your money has gone. We give you clear, accurate books and real support from people who actually respond when you need help.
Clarity You Can Act On
We keep your books updated monthly or weekly, so you always know what’s coming in, what’s going out and where your money is really going.
Support That Actually Shows Up
No ticket systems. No waiting days for a reply. Just unlimited calls, WhatsApps and emails with a dedicated accountant who understands your business.
Set Up for Simplicity
We use Xero and tools like Dext and Modulr to automate the boring stuff. You’ll spend less time on admin and more time doing what you’re good at.
What You Get with Our
Bookkeeping Services
We work with business owners across the UK who are ready to stop guessing and start making confident decisions. Whether you’re catching up or growing fast, Simplex gives you the tools, support and peace of mind to stay in control.
✅ Weekly or monthly bookkeeping that stays up to date
✅ Clear VAT records and preparation with no surprises
✅ A setup that fits your tools, habits and goals
✅ Unlimited calls, WhatsApps and emails with your accountant
✅ Consistent, proactive support to help you plan ahead
With Simplex, your books are not just finished. They are accurate, useful and backed by real support.
“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
Your Bookkeeper, Wherever You Are in the UK
You don’t need to travel or block out hours for in-person meetings. Simplex works fully online, making our support simple and flexible, no matter where you’re based.
Whether you’re running things from home, visiting clients or working on the move, your accountant is just a call, WhatsApp or email away. You get clear answers, fast replies and real support that fits around your day.
Why UK Business Owners Choose Simplex
✨ Personal service tailored to your goals
✨ Unlimited support through calls, WhatsApp and email
✨ Quick replies from accountants who know your business
✨ No jargon, no stress, no hidden costs
✨ Award-winning team that genuinely cares
Simplex gives you expert support that’s clear, personal and built to help your business grow.
“This service is second to none. I have companies before but never have I encountered such support to help grow my business.”
Tony, Film Producer
Smart Tools, Simple Bookkeeping
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.
MODULR
Pay people quickly and easily
Make payments to staff and suppliers in just a few clicks. It’s fast, secure and takes the stress out of payroll and transfers.
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!
Our bookkeeping services start from just £25. You’ll get expert support that fits your business and your budget. We offer flexible virtual packages, so whether you need weekly help or just a monthly check-in, we’ll make sure your books stay in great shape.
You don’t need a licence to call yourself a bookkeeper in the UK. However, if you’re offering bookkeeping services to others, you must register for anti-money laundering (AML) supervision. Joining a recognised body can also help build trust with clients.
The five key principles are consistency, accuracy, accountability, transparency and compliance. These keep your records reliable and help you meet HMRC requirements. A qualified bookkeeper will apply these every step of the way, so your business stays financially healthy.
The three golden rules are: debit what comes in and credit what goes out, debit the receiver and credit the giver, and debit all expenses and losses while crediting all incomes and gains. These are the foundations of good bookkeeping and ensure your records stay balanced.
Yes, you can teach yourself the basics of bookkeeping using online resources and guides. It’s a great way to understand your finances. But as your business grows, having a professional bookkeeper can save you time, reduce errors, and keep you compliant.
