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Expert Self-Assessment Support for UK Taxpayers
Filing a self-assessment tax return can be confusing, time-consuming, and risky if done incorrectly. Whether you’re self-employed, a company director, a landlord, or earn additional income—Xact+ Accountants ensures your return is completed correctly, submitted on time, and optimized to reduce your tax liability.
We simplify the process, eliminate errors, and make sure you claim every allowance and deduction you’re entitled to.
Our Self-Assessment Services Include
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Trusted By Businesses Across the UK
“Xact+ Accountants have been an important asset in streamlining our tax management, filings, and bookkeeping processes. Their expertise in UK tax regulations, combined with their exceptional bookkeeping services, ensures that our company remains…”
“I’ve had the pleasure of working with Xact+ Accountants, and it’s been an exceptional experience. Their team delivers a service that’s not only professional but also incredibly friendly. They’ve proven to be invaluable advisors in everything related to tax, finance, and dealings with HMRC…”
Jintana Khieochaum, Aequill Ltd.“We’ve been with Xact Accountancy for almost two years, and we’re thoroughly impressed. From handling state confirmations to accounts, they excel in every detail. Their problem-solving skills are exceptional, always finding the best solutions. They’ve made my business…”
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Frequently Asked Questions
When is the self-assessment deadline?
The deadline for online submission is 31 January each year, covering the previous tax year ending 5 April.
What if I miss the deadline?
HMRC may charge a £100 fine immediately, plus additional penalties. We help you submit fast and negotiate if needed.
Can I claim expenses as a sole trader?
Yes. We identify all eligible business expenses to legally reduce your tax bill.
Do you help landlords and property owners?
Yes. We manage rental income, allowable expenses, and capital gains for UK and non-UK landlords.
How much does it cost?
We offer fixed-fee pricing based on your income sources—no hidden charges, no surprises.
What documents do I need?
Income records (P60/P45), invoices, bank statements, expense receipts, dividend vouchers, and pension info are common requirements.
