Need help filing your first Self Assessment?
Get clear support for your first tax return
If you’ve never filed a Self Assessment before, you might be unsure about what counts as income, what you can claim, and how to complete each section.
We help you through each step so your return is done correctly and you feel confident about what you’ve submitted.
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Why first-time Self Assessment filing often feels unclear
When you complete a tax return for the first time, there’s a lot that isn’t obvious. What counts as income, which expenses can be claimed, and what HMRC actually expects are common points of confusion.
Without clear guidance, it’s easy to miss something or worry that you’ve done it wrong. We help first-time filers understand what’s required and make sure their return is submitted accurately.
What we support clients with
- Explaining what income and expenses you need to declare
- Helping you register for Self Assessment (if not yet registered)
- Completing and submitting your first return accurately
- Checking for allowable deductions you might miss
- Ensuring deadlines are met without stress
- Answering HMRC queries on your behalf if needed
Why work with ClearSum
We work with many people who are filing their first Self Assessment and want clear, step-by-step support, and careful attention to detail.
You’ll work with a Brighton & Hove accountant who explains what you need, what to expect, and makes sure your return is completed with confidence.
First time filer success story
"I’ve never had an accountant before, so it was all new to me. Harry made it very easy to understand and helped me whenever I needed it. I would definitely recommend!"
Ollie N., Newly Self Employed