Chartered Accountants in London & Slough for Small Businesses
SBX helps you stay compliant & keep more of what you earn with expert tax, accounts, and bookkeeping services.
We specialise in supporting self-employed trades and small construction businesses. Whether you’re just starting out or already running a Ltd company, we help you stay compliant, stay profitable, and stay sane.
✅ CIS, VAT, PAYE — all taken care of
✅ WhatsApp support and no jargon
✅ Bookkeeping that’s actually up to date
✅ Limited company or sole trader? We’ll advise
✅ Claim back everything you’re entitled to — tools, vans, fuel, materials
We’ll get your CIS returns done on time, make sure you’re not overpaying, and handle all HMRC contact for you.
Standard or flat rate, with or without reverse charge – we’ll get it right. No more stress around deadlines or missing claims.
Snap receipts on our app, email invoices, or send them via WhatsApp – we’ll categorise and match it to your bank so your records are always up to date.
From your year-end accounts to your CT600, we’ll sort the lot – and structure things to keep your tax bill as low as legally possible.
Running a crew? We’ll sort PAYE, pensions, and staff payslips, without you needing to learn payroll software.
If you’re moving from sole trader to limited company, we’ll handle the setup for free – and make sure it’s worth your while tax-wise.
We know you’re not stuck behind a laptop. So we’ve built our service around how tradespeople actually work:
You don’t chase us – we stay on top of it for you.
SBX helps you stay compliant & keep more of what you earn with expert tax, accounts, and bookkeeping services.