London • Fixed Price Service

Self Assessment Tax Return Services
In London

Managing your tax obligations can be complex, which is why engaging professional Self Assessment Tax Return Services in London is essential for individuals and businesses alike. The professionals listed on AccountingFirms specialise in preparing and submitting accurate returns to HMRC, ensuring you meet all deadlines and minimise the risk of penalties. Whether you require assistance with an hmrc self assessment or a personal tax return, the firms featured in the directory offer tailored support. These qualified ACCA, ICAEW, and AAT accountants possess the expertise to handle intricate financial matters, including VAT and Corporation Tax, whilst maximising your allowable deductions. By using AccountingFirms, you can browse local firms and compare providers to find the right fit for your needs. The directory was established in 2019 by experienced ICAEW and ACCA accountants who understand the importance of reliable tax advice. When you seek Self Assessment Tax Return Services in London, you can trust that every listed professional is verified and regulated. The platform simplifies the process of connecting with verified accountants who are familiar with HMRC requirements and local tax practices. For those needing an hmrc personal assessment, the directory offers a straightforward way to identify experts who can manage your affairs efficiently. Choosing the right accountant for your Self Assessment Tax Return Services in London can save you time and provide peace of mind. The professionals featured are committed to delivering accurate and compliant submissions, helping you avoid common errors. Additionally, they can advise on broader financial planning, including Corporation Tax and VAT obligations. AccountingFirms makes it easy to find and compare qualified professionals, allowing you to make an informed decision. Whether you are self-employed, a company director, or a landlord, accessing reliable Self Assessment Tax Return Services in London is straightforward through the directory. The platform’s focus on transparency and quality ensures you connect with accountants who are dedicated to your financial success.

Fixed price — no hidden fees5-day turnaroundACCA qualified100% online

Director's Personal Self Assessment (SA100)

Director's Personal Self Assessment (SA100)

£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
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What's Included — Complete Transparency

✓ No hidden fees

Included 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

Fully online • No meetings needed
1

Book & Pay

Complete your booking online. Pay securely via Stripe. Receive instant confirmation with a document checklist.

2

Share Your Documents

Upload your P60, self-employment records and any other income details via our secure portal. No paperwork needed.

3

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 London Clients Say

★ 4.9 from 312 reviews
★★★★★

"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."

James O., London•IT ContractorVerified
★★★★★

"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."

Priya K., London•Graphic DesignerVerified
★★★★★

"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."

Marcus T., London•Personal TrainerVerified

HMRC Late Filing Penalties — What You Risk

£100

1 day late automatic penalty

+£900

£10/day for up to 90 days
(after 3 months)

+5%

of tax owed or £300 after 6 months

+5%

further surcharge after 12 months late

Avoid every single one of these penalties

Our ACCA accountant files your return in 5 days. Guaranteed on time.

Self Assessment Tax Return Services in London — Complete Guide 2026

Frequently asked questions

What is included in a Self Assessment tax return service in London?

A comprehensive Self Assessment tax return service typically includes preparation and submission of your annual return to HMRC, calculation of tax owed, advice on allowable expenses, and guidance on payments on account. Accountants also help with record-keeping and can represent you in case of an HMRC enquiry.

How do I choose a qualified accountant for my personal tax return in London?

Look for accountants who are members of recognised professional bodies such as ACCA, ICAEW, or AAT. Check their experience with personal tax returns and client reviews. Using a directory like AccountingFirms allows you to compare local professionals who are verified and regulated.

Can an accountant help with an HMRC self assessment enquiry in London?

Yes, a qualified accountant can represent you during an HMRC enquiry into your Self Assessment return. They will handle correspondence, review your records, and prepare a response to HMRC. This professional support reduces stress and helps ensure a fair outcome.

What are the benefits of using a certified accountant for my tax return in London?

Certified accountants, such as those with ACCA or ICAEW status, have rigorous training and adhere to ethical standards. They ensure your tax return is accurate and compliant, identify legitimate deductions, and help you avoid penalties. Their expertise can also provide valuable tax planning advice.

How does AccountingFirms help me find a tax return accountant in London?

AccountingFirms is a directory built by experienced accountants that connects you with verified professionals in London. You can browse local firms, compare their services and qualifications, and read client information. The platform simplifies the process of finding a reliable accountant for your Self Assessment needs.

What deadlines must I meet for my Self Assessment tax return in London?

For the 2024/25 tax year, the online filing deadline is 31 January 2026, and the paper filing deadline is 31 October 2025. You must also pay any tax owed by 31 January 2026. Missing these deadlines results in automatic penalties, so engaging an accountant early is advisable.

About Accounting Firms

AccountingFirms.co.uk is the UK's dedicated accountant comparison website, helping individuals, sole traders, landlords, startups, and SMEs instantly compare accountancy and tax fees from trusted UK accounting firms.

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Self Assessment Tax ReturnsLimited Company AccountsCorporation TaxVAT ReturnsPayrollBookkeepingCISCompany FormationTax Planning and Business Advisory

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