Monthly Bookkeeping Service
That Keeps You in Control
Ditch the spreadsheets, guesswork, and year end panic. Simplex’s monthly bookkeeping service is built for busy UK business owners who want financial clarity without the hassle. Whether you’re a sole trader, freelancer, or growing team, we keep your records accurate and your business ready for tax, funding, or key decisions. With personalised support and unlimited calls, WhatsApps, and emails, we’re not just your bookkeeper. We’re your finance partner.
Financial Clarity
Get clear monthly reports that show what you’re earning, spending, and where to focus. Understand your business
like never before.
Simplex Process
We handle your day-to-day bookkeeping using Xero and the apps you already use. You focus on running the business.
We’ll handle the rest.
Unlimited Support
Call, WhatsApp or email us anytime.
You’ll always get a helpful reply from someone who knows your business,
with no extra charges.

What You Get with Our
Bookkeeping Services
We help UK business owners stay on top of their finances. Whether you’re catching up or planning ahead, Simplex gives you the support and tools to stay in control.
✅ Up to date monthly bookkeeping you can rely on
✅ Accurate records with no last minute surprises
✅ A setup that fits your tools, habits and goals
✅ Unlimited calls, texts and emails with your accountant
✅ Clear advice to help you plan ahead
With Simplex, your books are not just finished. They are useful, easy to understand, and backed by real support whenever you need it.
“Keeping track of my invoices and expenses has never been easier! All I do is upload the documents to Hubdoc, which takes seconds, and Lucy does the rest! Simplex now handle not just my end of year accounts, but my monthly bookkeeping too.”
Hanah, Marketing Agency Owner
Your Bookkeeper,
Wherever You Are
You do not need to travel or block out hours for meetings. Simplex works fully online, giving you fast, flexible support wherever you’re based.
Whether you work from home, on site or in an office, your accountant is just a call, WhatsApp or email away. You get clear answers, quick replies and real support that fits around your day.


Why Business Owners Choose Simplex
✨ Support that’s built around your goals
✨ Unlimited contact by phone, WhatsApp or 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.
“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.”
Susan, Marketing Agency Owner
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.
hubdoc
Keep documents in one secure place.
Bills and receipts are stored and sorted automatically, ready for us to check and match to your accounts.
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!
Bookkeeping costs can vary depending on your business needs, but it’s usually based on the number of transactions and how often things need updating. Many small businesses start with light support and build from there. We offer flexible bookkeeping from just £25 per month, so you only pay for what you actually need.
Yes, usually. Bookkeepers handle your day-to-day records, while accountants take care of things like tax, compliance and business support. We offer both services, so everything works smoothly together. It’s a great way to stay organised and make better decisions without the stress.
The cost of bookkeeping with QuickBooks depends on how much support your business needs. While some business owners manage it themselves, many choose to have a professional handle it to save time and stay accurate. We work solely with Xero, as we find it more efficient and user-friendly for small businesses.
Each month, a bookkeeper keeps track of your income and expenses, updates your records, checks your bank statements, and helps you stay organised. It means you’ll always know where your business stands financially and be ready for anything, including tax time.
Not really, they just do different jobs. A bookkeeper keeps your financial records accurate and up to date, while an accountant uses those records to help with tax, planning, and advice. Both are important, and we often support clients with both services working together.

