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Self assessment & Partnership Tax Returns
Stress-Free Tax Compliance for Individuals and Partnerships
Whether you're self-employed, a landlord, a director, or part of a partnership, filing a Self Assessment tax return correctly and on time is essential.
At JMT Chartered Accountants, we remove the burden of tax compliance so you can focus on what matters most.
Who Needs to File a Self Assessment?
You’ll usually need to submit a Self Assessment tax return if you:
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Are self-employed or a sole trader
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Receive income from rental property
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Receive company dividends
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Have foreign income or untaxed savings/investments
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Have capital gains to report
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Have income over £60,000 and you or your partner receive Child Benefit
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Earn over £150,000 in total income
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Are part of a partnership
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Want to claim certain tax reliefs (e.g. on pension contributions or charitable donations)
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Have income from multiple sources or complex tax affairs
If you're unsure whether you need to file, we’ll assess your situation and let you know.
Our Self Assessment Service Offers:
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Preparing any year end accounts required for your self assessment
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Preparing and submitting your return to HMRC
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Identifying allowable expenses and reliefs
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Capital Gains Tax reporting (if applicable)
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Checking and advising payments on account and liabilities
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Dealing with HMRC on your behalf
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Advice on how to reduce your future tax bill
You’ll benefit from personal, jargon-free support and a clear explanation of what you owe — or what you’re owed.
Partnership Tax Returns
If you operate as a partnership, we can handle:
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The partnership tax return (SA800)
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Each partner’s individual return (SA100)
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Allocation of profits, losses, and any capital gains
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Deadlines and compliance support
Why Choose JMT?
✔️ ICAEW-Regulated Expertise
Registered with the Institute of Chartered Accountants in England and Wales — giving you confidence in the highest professional standards
✔️ Straightforward, Fixed Fees
No surprises. We offer clear, competitive pricing with all costs agreed upfront.
✔️ Friendly, Personal Service
You’ll deal directly with a qualified accountant who understands your situation — no call centres or generic portals.
✔️ Tax Returns Done Properly
We go beyond basic form-filling. We review your records, check for reliefs, and ensure everything is accurate and compliant.
✔️ Digital, Efficient, Deadline-Safe
We use secure digital systems to submit returns and remind you of key dates — so you stay compliant and stress-free.
✔️ Integrated with your systems
We work with Xero, QuickBooks, Sage and more — and can advise on the best setup for automated, accurate reporting.
✔️Local Roots, National Reach
Based in South Wales, we work with clients across the UK using secure digital tools — so whether you prefer face-to-face or remote support, we’re here.
Avoid penalties, missed deadlines, and HMRC headaches. Let us handle your tax return properly.