Self Assessment Tax Return Services
In Mayfair
Managing your tax affairs can be complex, which is why professional Self Assessment Tax Return Services in Mayfair are essential for individuals and businesses alike. Whether you are self-employed, a company director, or a landlord, ensuring your tax return is accurate and submitted on time is critical to avoiding penalties from HMRC. The Self Assessment Tax Return Services in Mayfair featured on AccountingFirms.co.uk are delivered by qualified ACCA, ICAEW, and AAT professionals who understand the nuances of HMRC self assessment requirements. These experts can help you organise your income records, claim allowable expenses, and manage your personal tax return efficiently. Beyond Self Assessment, many firms also advise on VAT, Corporation Tax, and business planning. AccountingFirms.co.uk was established in 2019 by ICAEW and ACCA accountants to help users find and compare verified, regulated accountants in Mayfair. By browsing local firms, you can connect with professionals who specialise in your specific financial situation. The directory makes it straightforward to compare providers, read profiles, and select a trusted accountant to handle your Self Assessment Tax Return Services in Mayfair. Using a qualified accountant ensures you fulfil your obligations whilst maximising your tax position.
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 Mayfair 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 Mayfair — Complete Guide 2026
Frequently asked questions
What is included in Self Assessment Tax Return Services in Mayfair?
Services typically include preparation and filing of your annual tax return, calculation of tax due, advice on allowable expenses, and liaison with HMRC on your behalf. Professionals ensure your return is accurate and submitted before the deadline.
Why should I use an ACCA or ICAEW accountant for my tax return?
ACCA and ICAEW accountants are regulated professionals with rigorous training and ethical standards. They provide expert knowledge of HMRC rules, reduce the risk of errors, and can help you legally minimise your tax liability.
How can I find a reliable accountant for HMRC self assessment in Mayfair?
You can browse the AccountingFirms.co.uk directory to compare verified accountants in Mayfair. The platform lists regulated professionals with profiles detailing their qualifications, experience, and client reviews, making it easy to choose a trusted expert.
What happens if I miss the Self Assessment tax return deadline?
Missing the deadline results in an automatic £100 penalty from HMRC, with further fines if you delay longer. A qualified accountant can help you avoid this by ensuring your return is filed on time and correctly.
Can a Mayfair accountant help with my personal tax return if I am self-employed?
Yes, many accountants in Mayfair specialise in personal tax returns for self-employed individuals. They can assist with recording income, claiming business expenses, and managing payments on account to HMRC.
Do I need a VAT-registered accountant for my tax return?
Not necessarily for a basic Self Assessment, but if you are VAT-registered or run a limited company, an accountant with VAT and Corporation Tax expertise is advisable. Many firms in Mayfair offer comprehensive services beyond just tax returns.
Related Services in Mayfair
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.
Find and connect with qualified accountants, tax advisers, bookkeepers, and business advisers using advanced search filters, verified profiles, and genuine reviews aggregated from Google, Trustpilot, Yelp, and other trusted platforms.
Over 26,000+ UK Accountants in One Place
Explore the UK's largest independent directory of accountants regulated by professional bodies including ICAEW, ACCA, AAT, CIMA, CIPFA, AIA, IFA, and other recognised UK accountancy bodies.
Affordable Online Accounting Services
Buy fixed-fee accounting packages online with confidence. Services are delivered by experienced UK-qualified accountants and tax advisers, covering:
A Marketplace for Accountants
For accounting firms, AccountingFirms.co.uk is more than a directory. It's a powerful lead generation platform, accountant marketplace, and business growth hub, helping practices attract new clients, increase online visibility, generate qualified leads, and win more accounting and taxation work across the UK.
Together We Grow! Accountingfirms.co.uk is the only Accounting & Taxation fee comparison website in the UK.