Self Assessment Tax Return Services
In Middlesex
Managing your tax obligations can be complex, which is why Self Assessment Tax Return Services in Middlesex are essential for individuals and businesses alike. The professionals listed on AccountingFirms.co.uk specialise in helping you navigate HMRC requirements, ensuring your Self Assessment Tax Return Services in Middlesex are completed accurately and on time. By working with qualified ACCA, ICAEW, and AAT accountants, you benefit from expert advice on Corporation Tax, VAT, and personal tax return matters. These regulated experts analyse your financial situation to identify allowable deductions, minimise your tax liability, and keep you compliant with HMRC rules. Firms featured in the directory offer tailored support for the Self Assessment Tax Return Services in Middlesex, whether you are self-employed, a landlord, or a company director. AccountingFirms.co.uk was established in 2019 by experienced ICAEW and ACCA accountants to help you find and compare local providers. You can browse qualified professionals, read verified reviews, and connect with accountants who understand the specific requirements of Self Assessment Tax Return Services in Middlesex. The directory makes it straightforward to compare providers, check credentials, and choose a firm that meets your needs for HMRC personal assessment and personal tax return filing. Using the platform, you can quickly locate VAT-registered accountants who offer year-round support, not just at filing deadlines. Whether you need assistance with your first return or ongoing compliance, the accountants listed are ready to help you fulfil your obligations efficiently.
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 Middlesex 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 Middlesex — Complete Guide 2026
Frequently asked questions
What documents do I need to prepare for my Self Assessment tax return?
You should gather your P60, P45, bank interest statements, dividend vouchers, and records of any self-employment income or expenses. If you are a landlord, include rental income and allowable costs. Keeping organised records throughout the year makes the process smoother for your accountant.
How can an ACCA or ICAEW accountant help with my HMRC Self Assessment?
An ACCA or ICAEW qualified accountant understands HMRC regulations and can ensure your return is accurate and submitted on time. They identify legitimate reliefs and allowances, help you avoid penalties, and can represent you if HMRC queries your return.
What is the deadline for filing a personal tax return in Middlesex?
The paper filing deadline is 31 October following the end of the tax year. For online returns, the deadline is 31 January. Your accountant will ensure your return is submitted well before these dates to avoid late filing penalties and interest charges.
Do I need to register for Self Assessment if I am self-employed in Middlesex?
Yes, if your self-employment income exceeds £1,000 in a tax year, you must register for Self Assessment with HMRC. A qualified accountant can help you register correctly and advise on your reporting obligations, including Class 2 and Class 4 National Insurance contributions.
Can a VAT-registered accountant handle both my Corporation Tax and personal tax return?
Yes, many firms featured on AccountingFirms.co.uk offer comprehensive services covering Corporation Tax, VAT, and personal tax returns. Using one accountant for all your tax affairs ensures consistency and can save you time, as they understand your full financial picture.
How do I choose the right accountant for my Self Assessment in Middlesex?
Look for accountants with ACCA, ICAEW, or AAT qualifications and experience with clients in your situation. Use AccountingFirms.co.uk to compare local firms, read client reviews, and check their areas of expertise. Arrange an initial consultation to discuss fees and services before making a decision.
Related Services in Middlesex
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