Mon–Fri 9:00–17:30 Request a callback
Our services

Self Assessment

SA100 tax returns for the self-employed, directors and landlords.

We prepare and file your SA100 Self Assessment return accurately and on time, covering every source of income and claiming every allowance and relief you are entitled to.

What's included

  • SA100 preparation & online filing
  • Dividend, rental & foreign income
  • Payments on account calculated
  • Capital gains & pension reliefs
  • 31 January deadline managed

Why choose Sterling

As chartered certified accountants (ACCA) based in Slough and working with businesses across the UK, we combine deep technical expertise with modern cloud technology to keep your self assessment accurate, compliant and stress-free.

You'll have a named, qualified accountant who understands your business, replies the same day and works proactively — spotting opportunities to save you tax and time before deadlines ever become a problem.

Trusted Advice. Stronger Business. Better Future.

Not sure where to start?

Book a consultation and we'll review your current setup, answer your questions and show you exactly how our self assessment can help — all on a transparent fixed monthly fee.

FAQs

Self Assessment — your questions answered

We work on fixed monthly fees tailored to your business, so you always know exactly what you'll pay — no hourly billing and no surprise invoices. Arrange a consultation for a clear price.
We provide self assessment for limited companies, sole traders, contractors, landlords and SMEs across the UK, and tailor it to your situation. If you are not sure, we will happily advise.
Yes — you'll have a named, ACCA-qualified accountant who understands your business and usually replies the same day, not a call centre.
Absolutely. We handle the whole switch for you, including the professional clearance letter — you don't need to do anything awkward.
Let's talk

Ready to get started with Self Assessment?

Arrange a consultation to discuss how we can help — no jargon, no obligation.