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Self-Assessment Tax Filing Made Simple

File your tax return online in minutes with Swiftax, the UK’s cloud-based Self-Assessment platform that stays free until you’re ready to submit.
HMRC-compatible. Secure. Built for individuals, landlords, freelancers, small businesses and accountants.

Create Free Account

Take Control of Your Tax Filing Without the Stress

Swiftax is designed to remove complexity from Self-Assessment Tax Filing. Whether you're self-employed, a landlord, or managing multiple income sources, everything is structured to make tax reporting clear, fast, and accurate.
No subscriptions. No locked features. No confusion.
You only pay when you're ready to submit.

Start Filing

Ready to Simplify Your Tax Filing?

UK Self-assessment & Bookkeeping Software

Join thousands of UK taxpayers managing their Self-Assessment with confidence. Get started for free today.

Get Started

Access Your Accounts Anytime, Anywhere

UK Self-assessment & Bookkeeping Software

Cloud-based software that keeps your data safe and accessible 24/7.
• ICO Registered  • SSL Encrypted Data Transfer  • Secure Cloud-Based Platform  • HMRC-Compatible Filing  • UK-Focused Compliance Standards  • Safe HMRC Submission Workflows  • No Hidden Fees  • Free Until Submission

How It Works

1

Create Your Free Account

Sign up in minutes and access your secure Swiftax dashboard.

2

Complete Your Tax Return

Enter your income and tax details.

3

Review & Submit to HMRC

Check your return and submit it directly to HMRC with confidence.

Start Filing

Who Swiftax Is for

Built for

Every Type of

 UK Taxpayer

Swiftax is designed to simplify tax for everyone. No matter your profession or structure,

we’ve got you covered.

  • Self-employed individuals​

  • Freelancers & contractors

  • UK landlords & property owners

  • Non-UK residents (NRL)

  • Partnerships & LLPs

  • Small businesses

  • Accountants & tax agents

Whether simple or complex, Swiftax adapts to your tax situation.​

For Accountants & Tax Advisers

Manage Clients

Without

Complexity

Swiftax gives accountants and tax advisers a streamlined way to manage multiple clients and filings.

Create Agent Account

Agent Dashboard Access

Client Management System

Multi-Client Tax Filing

Practice-Friendly Workflow Tools

One-Time Credit-Based Usage

Team Access

Features

Free Until Submission

Free Until Submission

Use the full platform without paying until you file.

HMRC-Compatible Filing

HMRC-Compatible Filing

Direct submission-ready calculations aligned with UK tax rules.

Cloud-Based Access

Cloud-Based Access

Work anywhere, anytime, on any device.

Automatic Tax Calculations

Automatic Tax Calculations

Instant tax estimates as you enter your data.

Multi User & Agent Access

Multi-User & Agent Access

Ideal for accountants managing multiple clients.

Secure Data Protection

Secure Data Protection

ICO registered and SSL encrypted for full data security.

Dashboard-Tracking

Dashboard Tracking

View income, expenses, and tax position in real time.

What We Offer

Personal Tax Returns

File your personal tax return online with accurate calculations and secure HMRC-compliant submission.

Partnership Tax Return

Prepare and submit partnership tax returns quickly with accurate reporting and secure online filing.

MTD-VAT

Stay compliant with Making Tax Digital by submitting VAT returns securely and on time.

Corporation Tax Returns

Easily prepare and file corporation tax returns with accurate calculations and HMRC compliance.

Coming Soon

MTD-ITSA

Manage Income Tax Self Assessment digitally with secure records and easy online submissions.

Coming Soon

Our Pricing

Basic

£12

Per Submission

  • One-off payment.
  • Pay only when you are ready to submit your tax return to HMRC.
  • Includes filing of 1 return and a single profile.
  • Email support for software-related queries (we respond within 24 hours, with extended support hours during January).
  • Credits expire two (2) years from the date of issuance unless otherwise stated.
Get Started

Premium

£30

3 Submissions

  • One-off payment.
  • Pay only when you are ready to submit the returns to HMRC.
  • Includes filing of 3 returns and creation of 3 profiles.
  • Email support (we respond within 24 hours, with extended hours in January) related to software queries.
  • Credits expire after two (2) years from issuance, unless otherwise stated.
Get Started

Agent

£499

50 Submissions

  • One-off payment.
  • 50 profiles at a time, including filing of any 50 returns.
  • 25 MTD submissions.
  • Email support (we respond within 24 hours, with extended hours in January) related to software queries.
  • Unused credits will be valid for 2 years from the date of purchase, ensuring you get full value.
  • Credits expire after two (2) years from issuance, unless otherwise stated.
Get Started

MTD (VAT/ITSA)

£3

Per Submission

  • 1 credit (1 submission) for £3
  • 4 credits (4 submissions) for £12
  • 5 credits (5 submissions) for £15
  • 10 credits for £25
  • 20 credits (20 submissions) for £35
  • 50 credits (50 submissions) for £70
  • 100 credits (100 submissions) for £120
  • 200 credits (200 submissions) for £250

Credits expire after two (2) years from issuance, unless otherwise stated.

Get Started

Blogs

Why users choose Swiftax

Built for Simplicity. Designed for Confidence.

Most tax software is either too complex or too expensive.

Swiftax is different:

No monthly subscriptions

No hidden pricing

No unnecessary features blocking your workflow

No complicated setup

No accounting jargon overload

Secure & Encrypted Tax Services

LetsEncrypt-SocialShare

Swiftax is secured with Let's Encrypt SSL Certification, providing encrypted connections that help protect your personal and financial information. Combined with our commitment to accuracy, confidentiality, and professional tax services, you can trust us to keep your data safe throughout your entire tax journey.

  • TRUSTED BY THOUSANDS

join thousands of

UK taxpayers

We make tax returns simple, accurate and stress-free.
Trusted by individuals and businesses across the UK.

15K+

Happy Customers

Individuals and businesses trust Swiftax for their tax needs.

50K+

Tax Returns Filed

Accurate and compliant tax returns filed successfully.

4.9/5

Client Rating

Highly rated by our clients for excellent service and support.

100%

Secure & Compliant

Your data is safe with us.We are 100% HMRC compliant.

Trustpilot

Swiftax Ltd (Company No. 15695200) provides secure cloud-based tax and bridging software for individuals, businesses and agents. Our platform simplifies UK tax returns, VAT submissions, invoicing and accounting with reliable tools to help you manage your finances efficiently.
Swiftax Ltd is registered with the UK Information Commissioner’s Office (ICO) under Registration Reference ZC196224.

Swiftax Ltd

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