Self‑Employed — Tax & Accounting Support in the UK

Simple, compliant and tax‑efficient support for sole traders, freelancers and contractors.

Accounting and tax support for the self‑employed

Specialist Support for Sole Traders, Freelancers & Contractors

Sole Traders

Straightforward SA100/SA103 returns with smart tax planning and reminders.

Freelancers

Organised invoices and expenses with digital apps and real‑time insights.

Contractors & Gig Workers

CIS, VAT and expenses guidance tailored to flexible ways of working.

What We Do for the Self‑Employed

  • Self Assessment returns: SA100 with SA103S/F (self‑employment pages)
  • Class 2 & Class 4 National Insurance calculations
  • CIS reconciliation and refund claims for subcontractors
  • Allowable expenses & simplified expenses (home office, mileage)
  • Quarterly estimates & payments on account planning
  • VAT registration and returns when required
  • Digital bookkeeping (Xero, QuickBooks, FreeAgent)

HMRC Registration (UTR)

Register as self‑employed and set up your tax account correctly.

Bookkeeping Setup

Receipt capture, bank feeds and simple apps to keep you organised.

Invoicing & Expenses

Templates and automations so you get paid faster and claim everything due.

Quarterly Tax Estimates

Know what to set aside with live projections and alerts.

SA100 & SA103 Filing

Accurate returns with NI and CIS reconciled and explained.

VAT (if applicable)

Threshold checks, voluntary registration advice and return filing.

CIS Support

Verify, track deductions and claim refunds swiftly.

HMRC Enquiry Help

We handle questions, disclosures and payment plans.

1) Discovery

We learn about your work, income sources and goals.

2) Setup

We register, connect bank feeds and configure apps.

3) Track

We tidy records monthly and flag missing items.

4) File

We prepare and submit your return on time.

5) Support

Year‑round Q&A, reminders and planning.

Frequently Asked Questions

If you earn self‑employment income, you usually need to register for Self Assessment and file SA100 with self‑employment pages (SA103S/F).
Advance payments towards next year’s tax bill based on the current year’s liability, with a balancing payment after year end.
Typical allowable costs include business travel, phone and internet (business portion), accounting fees, protective clothing, tools, and office costs. Home‑office and vehicle use may use simplified expenses.
Yes. We verify CIS status, reconcile CIS deductions and submit claims or refunds as part of your return.
Registration depends on your 12‑month taxable turnover versus the UK threshold. Voluntary registration may help reclaim input VAT.
MTD ITSA will require compatible software and periodic updates in the future. We’ll set you up and keep you compliant when it applies to you.

Ready to Sort Your Self‑Employed Taxes?

Get a fixed‑fee quote and clear timeline today.

© 2025 Tycoon Accountancy Limited. Support for the Self‑Employed.