Self Assessment Tax Return Services
In Cathays
Managing your tax obligations can be complex, but with professional Self Assessment Tax Return Services in Cathays, you can ensure full compliance with HMRC requirements. Whether you are self-employed, a landlord, or a company director, accurate completion of your personal tax return is essential to avoid penalties and optimise your tax position. The firms featured in the directory include qualified ACCA, ICAEW, and AAT professionals who specialise in Self Assessment Tax Return Services in Cathays. These experts can assist with HMRC personal assessment, Corporation Tax, and VAT-registered business matters, providing tailored advice to meet your specific needs. By choosing Self Assessment Tax Return Services in Cathays through AccountingFirms, you gain access to verified accountants who understand local regulations and can help you organise your financial records efficiently. AccountingFirms was established in 2019, built by ICAEW and ACCA accountants to create a trusted platform where you can find and compare qualified professionals. Browse local firms to connect with experts who can manage your Self Assessment Tax Return Services in Cathays and ensure your tax affairs are handled correctly, giving you peace of mind throughout the year.
Director's Personal Self Assessment (SA100)
Director's Personal Self Assessment (SA100)
- SA100 personal tax return prepared and filed
- Director's salary and dividend income declared
- PAYE income from other employment included
- All allowable personal expenses identified and claimed
- Income Tax and Class 4 NIC calculated
- Payments on account calculated and explained
- HMRC submission as your authorised agent
What's Included — Complete Transparency
✓ No hidden feesIncluded in £199+VAT
- SA100 personal tax return prepared and filed
- Director's salary and dividend income declared
- PAYE income from other employment included
- All allowable personal expenses identified and claimed
- Income Tax and Class 4 NIC calculated
- Payments on account calculated and explained
- HMRC submission as your authorised agent
Available as add-ons
- Company Dissolution (DS01) (£148.98+VAT)
- Company Formation (Incorporation) (£200.00+VAT)
- Confirmation Statement (CS01) (£92.00+VAT)
- Corporation Tax Returns (£500.00+VAT)
- HMRC Enquiry & Letter Support (£98.98+VAT)
- Limited Company Full Compliance Bundle (£99.00+VAT)
- Micro Entity Accounts (£398.99+VAT)
- Monthly Bookkeeping (£79.00+VAT)
- P11D — Benefits in Kind (£49.00+VAT)
- Payroll — Monthly (£28.99+VAT)
- Registered Office Address (£120.00+VAT)
- VAT Registration (£79.00+VAT)
- VAT Return (per quarter) (£89.00+VAT)
- Years End/Annual Accounts & Tax Return (£499.00+VAT)
Not sure if you need an add-on? Contact us first — we'll tell you honestly before you book.
How It Works — 3 Simple Steps
Book & Pay
Complete your booking online. Pay securely via Stripe. Receive instant confirmation with a document checklist.
Share Your Documents
Upload your P60, self-employment records and any other income details via our secure portal. No paperwork needed.
We File With HMRC
Your ACCA accountant prepares and submits your return within 5 working days. You receive your tax calculation.
Why Choose Accounting Firms?
Fixed, Transparent Pricing
No hidden charges or unexpected bills. Our pricing is clear from the start, so you know exactly what's included before we begin.
Fast & Stress-Free Process
We make accounting simple. Upload your details, answer a few questions, and our team handles the paperwork and submissions for you.
Qualified UK Accounting Experts
Work with experienced UK accountants who understand HMRC requirements and provide practical advice tailored to your situation.
HMRC Compliance & Accuracy
From tax returns to annual accounts, we help ensure your records are prepared correctly and submitted on time to reduce errors and penalties.
Dedicated Support When You Need It
Have questions? Our team is available to guide you through every step and explain things in plain English.
More Than Filing — Business Growth Support
Beyond compliance, we help businesses improve financial visibility, manage cash flow, and make better decisions for long-term growth.
What Cathays Clients Say
"Fixed price meant no nasty surprises. My return was done in 3 days and Sarah caught expenses I'd missed that saved me £340 in tax. Will be back every year."
"First time filing self assessment as a freelancer. I was dreading it. The whole process was explained clearly, everything was done online and I didn't have to do anything except provide my records."
"Used to pay £350 to my high street accountant. Same quality service here for £149+VAT and I didn't even have to leave the house. Absolute no-brainer."
HMRC Late Filing Penalties — What You Risk
1 day late automatic penalty
£10/day for up to 90 days
(after 3 months)
of tax owed or £300 after 6 months
further surcharge after 12 months late
Our ACCA accountant files your return in 5 days. Guaranteed on time.
Self Assessment Tax Return Services in Cathays — Complete Guide 2026
Frequently asked questions
What is included in Self Assessment Tax Return Services in Cathays?
Self Assessment Tax Return Services in Cathays typically include preparation and filing of your annual tax return, calculation of tax liabilities, advice on allowable expenses, and guidance on HMRC payments. Professionals listed on AccountingFirms ensure your personal tax return is accurate and submitted on time to avoid penalties.
How do I choose a qualified accountant for my tax return in Cathays?
Look for accountants with ACCA, ICAEW, or AAT accreditation. Firms featured in the directory are verified and experienced in handling HMRC personal assessment and Corporation Tax. You can compare providers based on their expertise and client reviews to find the right fit for your needs.
Can an accountant in Cathays help with HMRC enquiries?
Yes, many accountants in Cathays offer support during HMRC enquiries or investigations. They can represent you, review your records, and communicate with HMRC on your behalf. This service is often included as part of comprehensive Self Assessment Tax Return Services to ensure you are fully protected.
What documents do I need to prepare for my Self Assessment tax return?
You will need your P60, P45, details of self-employment income, bank interest, dividends, rental income, and records of any allowable expenses. Your accountant will guide you on exactly what is required to complete your personal tax return accurately and efficiently.
Are there deadlines for filing a Self Assessment tax return in Cathays?
Yes, the paper filing deadline is 31 October following the end of the tax year, and the online filing deadline is 31 January. Missing these dates can result in penalties. Professionals listed on AccountingFirms can help you meet these deadlines and manage your HMRC personal assessment obligations.
How much does Self Assessment Tax Return Services cost in Cathays?
Costs vary depending on the complexity of your tax affairs. Many accountants offer fixed fees for straightforward returns, whilst more complex cases involving multiple income sources or Corporation Tax may cost more. Browse local firms on AccountingFirms to compare quotes and find transparent pricing.
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