Self Assessment
Services
TAG Accountancy provide professional Self Assessment services in Norwich, Norfolk and across the UK. Our expert team handles everything accurately and on time.
Self Assessment — what it is and who needs it
TAG Accountancy provide professional Self Assessment services in Norwich, Norfolk and across the UK. Our expert team handles everything accurately and on time.
For businesses and individuals across Norwich, Norfolk and the wider East of England, getting your self assessment handled professionally means more than just staying on the right side of HMRC. It means having accurate, up-to-date numbers you can actually make decisions with — and someone in your corner who understands your situation, not just the paperwork.
At TAG Accountancy, our team of qualified accountants manage self assessment for hundreds of clients across Norfolk every year. We take on the complexity so you don’t have to — filing on time, identifying every available allowance, and making sure nothing falls through the cracks. If you’ve been self-managing until now or you’re not confident your current accountant is being proactive enough, a free consultation costs nothing and usually turns up a few surprises.
Key facts & deadlines
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HMRC deadline
Online: 31 January. Paper: 31 October.
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Who must file
Self-employed, landlords, directors, higher-rate taxpayers, anyone with untaxed income over £1,000.
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Late filing penalty
Automatic £100 — rising to £900+ after 6 months, plus interest on unpaid tax.
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Personal allowance
£12,570 (2025/26). Unused allowance cannot be carried forward.
Free consultation — no obligation
TAG Accountancy vs. going it alone
See exactly what you get when an expert handles your self assessment.
Ready to simplify your
Self Assessment?
Join 400+ businesses who trust TAG Accountancy to handle it brilliantly. The first consultation is completely free.