Small Business Accounting Tax & Bookkeeping Service

Being self-employed shouldn’t mean doing everything alone.

Running a small business means juggling accounts, tax, payroll and admin. It’s a lot, and mistakes can cost you time and money. Simplex takes the pressure off with a complete small business accounting tax & bookkeeping service that’s clear, affordable and tailored to you. We handle everything from daily bookkeeping to year-end tax returns, with unlimited support by phone, text or email. No jargon, no hidden fees, just expert help when you need it.

We Handle It All

Bookkeeping, tax, payroll and VAT taken care of. Stay on top of deadlines and free up time to focus on your business.

Always Here for You

Call, WhatsApp or email anytime. You get a dedicated accountant who replies fast, with no extra charges for support.

Fixed Fees, Real Value

Call, WhatsApp or email us anytime. We’re your accounting partner, not just a service.

Online Accountants for Self-Employed Business Owners

What to Expect from Our Accounting Tax & Bookkeeping Service

We support small businesses across the UK with reliable, friendly remote accounting. Whether you’re just starting out or already growing, we’ll simplify your finances and help you move forward.

✅ Bookkeeping and tax returns managed for you
✅ Monthly reports you can actually understand
✅ Custom packages that suit your business needs
✅ Unlimited calls, texts and emails with your accountant
✅ Proactive support that keeps you one step ahead

With Simplex, you’ll always know where you stand and never feel like you’re doing it alone.

Always Near, Without the Office Visit

You don’t need to travel across town or take time out of your day to get the support you need. Simplex is fully online and built for busy business owners. Everything we do, from meetings to sharing documents, happens digitally so you can stay focused on your day.

We work with sole traders across the UK. Because we’re just a message, email or phone call away, you’ll always feel supported. Whether you’re on-site, at home or on the move, your accountant is right there when you need them.

“This service is state of the art – using all apps and synced devices to make the usually laborious job of keeping track of income and expenditure an absolute doddle.”

Tony, Film Producer

We Run Your Books So You Can Run the Business

You didn’t start a business to chase receipts or file tax returns. Simplex gives you a full small business accounting tax & bookkeeping service so you can focus on running the business. We handle everything, keep you updated, and reply fast on WhatsApp, phone or email. No jargon. No hidden fees. Just expert support that gets it done.

Why Businesses Choose Simplex

✨ Fully managed small business accounting, tax & bookkeeping
✨ Clear monthly reports so you always know where you stand
✨ Fast replies from accountants who know your business
✨ No hidden fees or surprise costs
✨ WhatsApp, phone or email support when you need it

Simplex gives you clarity, cuts your stress and frees up your time to grow.

“I’m sure I’m not the only small business to leave self-assessment to the last minute. I contacted Lucy and she was so helpful and determined to get my books in on time.”

June, Sole Trader

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 live invoicing dashboard.
Send, track and match invoices in real time, with everything synced to your accounts automatically.

dext

Receipts and bills, sorted.
Snap a photo or forward an email. We handle the rest so nothing gets lost and your records stay complete.

brightpay

Your payroll, fully managed.
Payslips, reports and filings are all taken care of, so you stay compliant and everything runs 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.

Small Business Accounting Tax & Bookkeeping Service FAQs

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!

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