Professional Self Assessment Tax Return Services in the UK
Let a qualified accountant prepare and submit your self assessment tax return — accurately, on time, and with every allowable expense claimed. Fixed fee, no surprises.
Stop Worrying About Your Tax Return — We Handle Everything
If you are self-employed, a landlord, a contractor, or a company director, HMRC requires you to complete a Self Assessment tax return each year. Miss the 31 January deadline and you face an automatic £100 late-filing fine — even if you owe no tax at all.
At SRZ Accountancy, we provide expert tax return services to take the stress out of your annual filing completely. Our UK based accountants review your income, business expenses, and allowable tax reliefs. We prepare your return accurately and submit it directly to HMRC on your behalf, ensuring you pay only the correct amount of tax and maximize your savings. Keeping accurate bookkeeping records throughout the year makes this process faster and more accurate.
Save time and secure peace of mind by outsourcing your tax compliance to a trusted UK based accountant.
Book a Free ConsultationWhat You Gain From Expert Self Assessment Support
Getting your tax return professionally prepared is not just about compliance — it can save you money and protect you from costly errors.
Reduce Your Tax Bill Legally
We review every allowable expense, relief, and allowance available to you — from business costs and mileage to pension contributions and capital allowances — so you never overpay.
Avoid Penalties & Late Fines
We track your deadlines and file well in advance of the 31 January cut-off, eliminating the risk of automatic HMRC penalties that start at £100 and escalate quickly.
Handle Complex Returns With Ease
Multiple income streams, rental property, overseas income, capital gains, or student loan deductions — we manage complex tax situations that many accountants prefer to avoid.
Save Hours of Your Time
HMRC’s online portal is not always straightforward. Hand the process to us and reclaim your evenings — we gather the information, do the calculations, and only need your final approval.
Know Your Tax Bill in Advance
We calculate your liability as soon as your records are in — giving you months to plan your payment rather than scrambling for funds days before the January deadline.
HMRC Enquiry Protection
A professionally prepared and submitted return substantially reduces your risk of an HMRC investigation. If HMRC does make contact, we manage all correspondence on your behalf.
Do You Need to File a Self Assessment Tax Return?
HMRC requires a self assessment return from anyone who falls into one of these categories. We support all of them.
A Complete Self Assessment Service — One Fixed Fee
We take care of the entire process from start to finish, with no unexpected charges.
- Full tax return preparation— income, expenses, and reliefs reviewed and calculated correctly
- HMRC online submission— filed securely via our agent account on your behalf
- Allowable expense review— every legitimate business cost claimed to reduce your liability
- Capital Gains Tax calculations— property disposals, investments, and asset sales handled correctly
- Rental income reporting— landlord expenses, finance costs, and mortgage interest accounted for
- Payment on account planning— we calculate and explain your January and July payments in advance
- High Income Child Benefit Charge— calculated and declared where applicable
- HMRC correspondence management— we deal with any follow-up queries directly on your behalf
Key HMRC Deadlines to Know
Your Tax Return Done in Four Simple Steps
We make the self assessment process as straightforward as possible — from your first conversation to HMRC confirmation.
Free Consultation
Tell us about your income sources, business type, and any specific tax situations. We confirm whether you need to file, which return applies, and what information we need from you.
Send Us Your Documents
We provide a simple checklist of everything required — payslips, bank statements, invoices, rental income figures, and any other relevant records. Share them securely via email or our client portal.
We Prepare Your Return
Our accountants review your records, calculate your tax liability, identify all allowable expenses and reliefs, and prepare the complete return. We then send it to you with a clear summary for your approval.
Approve & We Submit
Once you are happy with the return, we submit it directly to HMRC via our authorised agent account. You receive confirmation and know exactly what is owed and when payment is due.
Do not leave your tax return to the last minute. Book a free consultation today and let our accountants handle everything — accurately and on time.
Speak to an Accountant TodaySelf Assessment Handled by People Who Know the Tax Rules
Filing your own tax return may seem straightforward — until you encounter rental income, multiple employment sources, dividend payments, or an HMRC query. That is where errors creep in and overpayment becomes likely.
At SRZ Accountancy, we specialise in personal tax returns for UK small business owners and individuals with varied income. We know the reliefs, the allowances, and the common mistakes — and we make sure your return is filed correctly every time.
- Fixed, transparent fee— quoted upfront, no hourly rates, no hidden charges
- All income types covered— self-employment, rental, dividends, salary & capital gains
- Early filing approach— we aim to file months before the January deadline
- Tax planning included— we flag ways to reduce your liability for the year ahead
- HMRC authorised agent— we communicate with HMRC directly on your behalf
- Responsive, personal service— speak to your accountant directly, not a call centre
The Right Tax Return. Filed on Time. Every Year.
What Our Clients Say About Their Tax Returns
Real feedback from sole traders, landlords, and directors we have helped across the UK.
Self Assessment Questions, Answered
Common questions from UK taxpayers about the self assessment process.
Ready to Take Your Tax Return Off the To-Do List?
Book a free, no-obligation consultation with one of our accountants. Tell us about your income situation and we will confirm exactly what you need — and what it will cost — before anything else.
Free consultation · Fixed fee agreed upfront · Filed on time · UK-based support