Simplify your finances, save tax and grow with Simplex
Running a small business is exciting, but managing accounts, tax deadlines, payroll, VAT and cash flow can quickly become stressful. As your small business accountant, Simplex gives you clear, friendly and proactive support so you always know where you stand. We help you stay compliant, reduce tax where possible and make better decisions with confidence. You also get unlimited calls, WhatsApps and emails at no extra cost, with a 48-hour response guarantee.
Less stress and more clarity
No more guessing what you owe, when things are due or whether your accounts are up to date. We keep everything organised, explain things in plain English and make sure you feel in control.
Smarter tax planning
We help you claim the right expenses, plan ahead and reduce your tax bill where possible. Our goal is simple: help you keep more of what you earn while staying fully compliant.
Support whenever you need it
With Simplex, unlimited communication is included. You can call, WhatsApp, or email us without worrying about extra charges. We also offer a 48-hour response guarantee, so you are never left waiting.
What’s Included in Our Accounting Service?
Everything is handled for you, so your finances stay accurate, organised and up to date without taking up your time.
✅ Annual accounts prepared and filed correctly
✅ Corporation Tax or Self Assessment support, depending on your business
✅ VAT returns and Making Tax Digital compliance
✅ Payroll support for you and your team
✅ Bookkeeping to keep your records clear and accurate
✅ Tax planning to help you save money where possible
✅ Cash flow and business growth advice
✅ Xero setup and support, plus relevant apps you will actually use
✅ Unlimited communication via calls, messages and emails
You will always know what is happening in your business, with clear advice and the right level of support whenever you need it.
Accounting support built around your business
At Simplex, we work with UK small businesses across a wide range of industries. Whether you are a sole trader, limited company, start-up or growing team, we make your finances easier to understand and easier to manage.
You will not be passed around or left waiting for answers. You get personal, hands-on support from an award-winning firm that genuinely wants your business to succeed.
“Simplex are super easy to work with. I love that I have a portal to track all documents and paperwork that need my attention. Everything else just seems to run in the background so I can focus on my business”
Jordan, Designer
Support That Actually Shows Up
You are not passed around or left waiting. You get direct access to someone who understands your business and gives clear, practical support when you need it.
No confusing jargon. No surprise fees for asking questions. Just straight answers that help you stay on top of your accounts, tax and cash flow.
You will always know what is happening, what is due next and what steps to take to keep your business moving forward.
Accounting That Fits Around Your Business
No paperwork. No office visits. No need to travel for a meeting. Simplex works 100% remotely, so your accounting is handled online, securely and conveniently.
You can send documents, approve tasks, check your figures and get support from anywhere. Everything is set up to save you time and keep your finances moving in the background.
Whether you are at your desk, on-site or working from home, your accountant is always within reach.
“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 Agency Owner
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!
Yes, many small business owners find that having an accountant gives them confidence and saves valuable time. An accountant can help with tax returns, bookkeeping, payroll, VAT, and financial planning while making sure you stay compliant with HMRC. They can also spot tax-saving opportunities and provide advice as your business grows. For many business owners, the support and peace of mind are well worth the cost.
Accountants can help business owners understand the tax side of pensions, including company pension contributions and tax-efficient planning. While accountants can explain how pensions affect your business finances and personal tax position, regulated pension advice may need to come from a qualified financial adviser. Working together with both professionals can help you make informed decisions that support your long-term financial goals.
Yes, you can manage your own accounting, especially if your business is simple and you use accounting software. However, many business owners find bookkeeping, tax deadlines, and HMRC rules time-consuming and confusing. An accountant can help you stay organised, avoid penalties, and free up more time to focus on running your business. Even if you handle day-to-day records yourself, professional support can still be very useful.
You are not legally required to have an accountant as a limited company, but many directors choose to work with one. Limited companies have more reporting responsibilities, including annual accounts, Corporation Tax returns, payroll, and Companies House filings. An accountant can help you stay compliant, avoid mistakes, and plan tax-efficiently. Having expert support often makes managing a limited company much simpler and less stressful.
For many business owners, using an accountant is a smart investment rather than an extra expense. A good accountant can help you save time, improve cash flow, stay compliant with HMRC, and identify tax-saving opportunities. They also provide guidance when making important business decisions. Whether you are self-employed or running a limited company, having professional financial support can give you greater clarity and confidence.
