Self Assessment Tax Return Services in London
Get your HMRC Self Assessment Tax Return filed by trusted UK accountants. Whether you’re self-employed, a landlord, or a freelancer – we make tax stress-free.
- Simple, fast, all online
- Fixed-Fee, No Hidden Costs
- Unlimited Support
- Regulated by ICAEW, ACCA & AAT top three accountancy bodies
What's Included
- Self Assessment Tax Return (SA100)
- Income from Employment or Self-Employment
- Dividend & Investment Income Reporting
- Rental Income Accounting
- HMRC Agent Registration
- Tax Liability Calculation
- Digital Submission & Filing Confirmation
£199+ VAT

Who We Can Help
We help anyone who needs to file a Self Assessment tax return with HMRC, including:
- Self-employed individuals and sole traders
- Freelancers and gig workers
- Landlords with rental income
- Company directors and shareholders
- CIS (Construction Industry Scheme) workers
- People with income from investments or dividends
- High earners (over £150k income)
- Individuals with side income or multiple jobs
- People with foreign income or capital gains
- Investors (property, forex, crypto etc.)
How It Works
Fill out our quick form or book a free consultation to get started.
We’ll ask for your income details, expenses, and any other relevant documents.
Our qualified accountants will check everything, calculate your tax, and prepare your Self Assessment (SA100).
You review the return. Once approved, we file it online with HMRC as your registered agent.
You'll receive a submission receipt and confirmation from HMRC. We’ll also remind you of your payment deadline.
Who Will Handle My Tax Return?
Your Self Assessment is in safe hands. Every accountant in our network is an experienced, UK-based professional committed to accuracy and compliance.
- 100% UK-based qualified accountants
- Hand-vetted experts with 15+ years of experience
- Accredited by ICAEW, ACCA, or AAT
- Regular quality checks to maintain high standards
- Secure & confidential – your data is handled with care

Still got Questions?
Got more questions? Ask away! Get in touch with our UK-based support team either on info@selfassessmenttaxreturn.accountants or via the live chat on our homepage. They’re happy to help.