How Much Tax Do Self-Employed People Pay in...
Self-employment offers freedom, but understanding taxes can be complicated. If
November 6, 2025
Beyond Balance Sheets - We Bring Balance to Business
Sigma Chartered Accountants & Tax Advisors is a trusted firm providing specialist accounting, tax advisory, and compliance services for small businesses across Birmingham. As experienced Accountants in Birmingham, we deliver bespoke financial solutions ranging from bookkeeping and VAT returns to strategic tax planning and business growth advisory.
Cut admin time by up to 40% with smart, streamlined processes.
Save an average of £3,000/year with expert, proactive tax support.
75%+ of clients boost profits in their first year with us.
As award-winning chartered accountants serving clients across the UK from our Birmingham base, Sigma Chartered Accountants & Tax Advisors specialises in solving the critical financial challenges facing today’s entrepreneurs, startups, and small businesses. What sets our Birmingham accountants apart nationally is our dual focus on compliance and growth.
Stay on top of your numbers without being overwhelmed. We’ll handle the books so you can focus on growing your business.
Keep records HMRC-ready—without lifting a finger. Save hours monthly with accurate & automated bookkeeping.
From payslips to pensions, we simplify payroll and ensure compliance. Scalable for teams of 1 to 50+.
Access real-time financial data anytime, anywhere. We help you migrate, set up, and optimise with leading cloud platforms.
Get monthly insights that go beyond numbers. Make smarter business decisions with tailored, easy-to-read reports.
Stop overpaying and start planning ahead. Our tax experts help you save money, stay compliant, and sleep better.
Cut your tax bill with strategies built around your goals. We ensure you claim every relief and allowance.
Maximize your tax incentives and reliefs with strategies tailored to your goals and full entitlement claims.
Accurate, on-time VAT submissions—no guesswork. We handle registration, returns, and everything in between.
If HMRC comes knocking, we’ve got your back. We’ll manage the process and protect your interests every step of the way.
Starting a business? We’ll help you do it right from day one. From structure to setup, we make launching simple and stress-free.
We’ll register your limited company quickly and correctly, handling all the paperwork without the hassle.
Sole trader or limited company? We’ll help you choose the right setup to protect income and maximize tax efficiency.
Planning to raise funds or grow fast? We create business plans that combine strategy.
We don’t stop at formation—we’re here for the long run, offering ongoing advice as your business evolves.
At Sigma Chartered Accountants, we offer specialist tax return services for small businesses in the UK, backed by deep industry knowledge and a proactive approach. Whether you’re navigating year-end submissions or complex rules around HMRC tax compliance for small business, our qualified experts are here to simplify the process and protect your peace of mind.
We proudly work with:
Ensuring tax efficiency and full regulatory compliance across all activities.
Streamlined self-assessments, IR35 guidance, and personalised tax support.
Specialised tax strategies and bookkeeping tailored to clinical work.
Expert VAT, income tax, and property portfolio planning.
Real-time accounting and tax support for fast-moving digital sales.
Full-service accounting and compliance from start-up to scale-up.
SRA-compliant support with tailored tax planning and trust accounting.
From company formation to forecasting—we help you build from day one.
Let’s face it—keeping up with business accounting, tax deadlines, and ever-changing HMRC rules can feel like a full-time job. Whether it’s preparing accurate financial statements, staying on top of monthly payroll, filing VAT returns, or submitting your corporation tax return—the pressure is real, especially when getting it wrong could mean fines or missed opportunities.
What sets Sigma apart is how we take that weight off your shoulders. You’ll have a dedicated, qualified accountant who doesn’t just tick boxes—they work with you proactively, spotting issues early, staying compliant, and helping your business grow with confidence.
Self-employment offers freedom, but understanding taxes can be complicated. If
In the United Kingdom, tax codes play a crucial role
Managing VAT can feel overwhelming for many small business owners,