March • Fixed Price Service

Self Assessment Tax Return Services
In March

Navigating the complexities of tax compliance requires professional support, particularly when managing your annual filing obligations. Self Assessment Tax Return Services in March provide essential assistance for individuals and businesses seeking to meet HMRC deadlines accurately. Whether you are self-employed, a landlord, or a company director, engaging qualified accountants ensures your tax return is completed correctly, minimising the risk of penalties and interest charges. Professionals listed on AccountingFirms hold recognised credentials from ACCA, ICAEW, and AAT, offering expertise in Self Assessment Tax Return Services in March that covers income from multiple sources, capital gains, and allowable expenses. These regulated accountants also advise on VAT registration, Corporation Tax obligations, and personal tax return planning, helping you organise your financial affairs efficiently. The directory enables you to find and compare local firms that specialise in Self Assessment Tax Return Services in March, ensuring you connect with verified professionals who understand the specific requirements of HMRC personal assessment. AccountingFirms was established in 2019, built by ICAEW and ACCA accountants to provide a trusted platform for browsing qualified experts. By using this resource, you can browse local firms, compare providers, and select a professional who will analyse your circumstances and prepare your tax return accurately. Self Assessment Tax Return Services in March are vital for maintaining compliance and avoiding unnecessary stress during the filing season. The firms featured in the directory practise to the highest standards, holding appropriate licences and insurance. Whether you need assistance with a straightforward personal tax return or complex business affairs, the directory connects you with professionals who can fulfil your requirements. Start your search today to secure reliable tax return support in March.

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 March 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., March•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., March•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., March•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 March — Complete Guide 2026

Frequently asked questions

What documents do I need to prepare for a Self Assessment tax return?

You should gather your P60, P45, bank interest statements, dividend vouchers, records of self-employment income and expenses, and details of any capital gains. A qualified accountant can help you organise these documents efficiently.

How can an ACCA or ICAEW accountant help with my HMRC Self Assessment?

An ACCA or ICAEW accountant understands HMRC regulations and can ensure your tax return is accurate and submitted on time. They identify allowable deductions, minimise your tax liability, and represent you if HMRC queries your return.

What is the deadline for filing a Self Assessment tax return in March?

The online filing deadline for Self Assessment is 31 January following the end of the tax year. If you are filing for the 2024/25 tax year, the deadline is 31 January 2026. Paper returns must be submitted by 31 October 2025.

Do I need to complete a personal tax return if I am employed?

You may need to complete a personal tax return if you have additional income, such as rental income, self-employment earnings, or investment dividends. An accountant can review your circumstances and advise whether you need to file.

Can a local accountant in March help with VAT and Corporation Tax too?

Yes, many accountants in March offer services beyond Self Assessment, including VAT returns and Corporation Tax preparation. They can manage your business tax obligations and ensure compliance with HMRC requirements throughout the year.

How do I choose a verified accountant for my tax return in March?

Use a directory like AccountingFirms to browse local professionals who are regulated by ACCA, ICAEW, or AAT. Compare their experience, read client feedback, and confirm they hold a practising licence before engaging their services.

About Accounting Firms

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