Self-Employed Bookkeeping App UK | Income Expense Mileage Tax Tracker | Sole Trader Freelancer Finance Tool

Track your self-employed income, expenses, mileage, invoices, and tax — all in one simple offline app. No Excel, no subscription, no complicated software — just download, open in your browser, and start tracking today.

If you're self-employed in the UK — whether you're a sole trader, freelancer, consultant, cleaner, tutor, delivery driver, tradesperson, beauty professional, Etsy seller, or side hustler — keeping on top of your business finances throughout the year makes Self Assessment far less stressful.

This UK Self-Employed Bookkeeping Tracker App is a fully interactive HTML tool that opens in your browser, works completely offline, and requires no Excel, no Google Sheets, no accounting software, and no monthly subscription.

Everything you need to stay organised is in one place: your income, your expenses, your mileage, your invoices, your clients, your estimated tax, your monthly and annual summaries, and a Self Assessment preparation checklist — all inside a clean, easy-to-use dashboard with charts and summary cards.

Whether you're brand new to tracking your business finances or you've been struggling to stay organised, this tool gives you a simple, professional way to manage your money without needing an accountant, expensive software, or hours of complicated setup.

Your ZIP download includes:

• Interactive UK Self-Employed Bookkeeping Tracker App (HTML file — opens in your browser)
• Blank version — ready for your own data
• Sample data version — pre-filled with example entries so you can see exactly how it works
• PDF Quick Start Guide — clear, step-by-step setup instructions
• Bonus: Mileage Tracker module (built into the app)
• Bonus: Invoice Payment Tracker module (built into the app)
• Bonus: Receipt Checklist (built into the app)
• Bonus: Self Assessment Preparation Checklist (built into the app)
• Screenshot preview images for reference

App Tabs & Sections:

• 1. Dashboard — summary cards and charts at a glance
• 2. Income Tracker — log all your income entries by date, client, and category
• 3. Expense Tracker — record and categorise every business expense
• 4. Mileage Tracker — log business journeys with dates, routes, and distances
• 5. Invoice Tracker — track which invoices have been paid or are outstanding
• 6. Client Tracker — keep a record of your clients and customers
• 7. Tax Estimate — see an estimated tax and National Insurance breakdown based on your profit
• 8. Monthly Summary — review income, expenses, and profit month by month
• 9. Annual Summary — see your full tax year overview in one place
• 10. Receipt Checklist — track which receipts you have filed or need to locate
• 11. Business Settings — set up your business name, tax year, categories, and colour theme
• 12. Instructions — beginner-friendly guide built into the app

Getting started is simple:

1. Purchase and download the ZIP file from Etsy
2. Extract (unzip) the folder on your computer
3. Open the HTML file in your web browser (Chrome, Firefox, Safari, Edge — all work)
4. The app loads instantly — no installation, no sign-up, no internet connection required
5. Start with the Instructions tab if you're new, or dive straight into the Dashboard
6. Use the Business Settings tab to enter your name, tax year, and preferred colour theme
7. Begin adding your income, expenses, and mileage entries
8. Watch your dashboard update in real time with charts and summary data

All your data stays on your own device. Nothing is uploaded to the internet.

This tracker is designed for UK self-employed people including:

• Sole traders and freelancers
• Consultants and contractors
• Cleaners, dog walkers, and personal trainers
• Tutors, coaches, and therapists
• Delivery drivers and couriers
• Beauty professionals, hair stylists, and nail technicians
• Tradespeople and handypersons
• Etsy sellers and handmade business owners
• Digital product sellers and content creators
• Side hustlers with self-employment income
• Anyone preparing for HMRC Self Assessment

If you need to submit a Self Assessment tax return or simply want to stay on top of your business finances throughout the year, this tool will help you do that without expensive software or complicated spreadsheets.

✓ Works 100% offline — No internet connection required after download. Your data never leaves your device.
✓ No Excel or Google Sheets required — Open it in any browser — Chrome, Firefox, Safari, or Edge. Nothing to install.
✓ No subscription or ongoing cost — Pay once, use forever. No monthly fees, no renewal.
✓ Built for the UK — GBP currency, UK tax year dates, HMRC Self Assessment structure, and National Insurance estimates.
✓ Beginner-friendly — Clear instructions built in. No accounting knowledge required.
✓ Organised and visual — Charts, summary cards, monthly breakdowns, and annual overviews make it easy to understand your finances.
✓ Sample data included — See exactly how the app works before entering your own data.
✓ Customisable — Set your own business categories, tax year, and colour theme.
✓ Time-saving — Stop leaving everything until January. A few minutes each week keeps you organised all year.

Include this disclaimer at the bottom of your listing:
IMPORTANT NOTES

• This is an interactive HTML file that opens in your web browser. It is not an Excel spreadsheet, not a Google Sheet, not a PDF, and not a mobile app from the App Store or Google Play.
• Works in all modern browsers: Chrome, Firefox, Safari, and Edge.
• Compatible with Windows, Mac, and most devices that support a modern browser.
• No installation required. No internet connection required after download.
• All data is stored locally on your device. Nothing is sent to any server.

DISCLAIMER

• This product is for personal business tracking and organisation purposes only.
• It does not constitute accounting, tax, legal, or financial advice.
• All tax and National Insurance calculations are estimates only and should not be relied upon for official submissions.
• Always consult a qualified accountant or tax adviser, or refer to official HMRC guidance for your Self Assessment tax return.
• Tax rules change. This tool is designed as an organisational aid, not a tax calculation service.

SHORT FAQ FOR BUYERS

Q: Do I need Excel or Google Sheets?
A: No. This is a standalone HTML file that opens directly in your web browser — Chrome, Firefox, Safari, or Edge. Excel is not required.
Q: Does it work on a Mac?
A: Yes. It works on Mac, Windows, and any device with a modern web browser.
Q: Can I use it offline?
A: Yes, completely. After downloading, it works with no internet connection. Your data stays on your device.
Q: Is this a mobile app?
A: No. It is not an app from the App Store or Google Play. It is an HTML file that opens in a browser. It may work on some mobile browsers but is optimised for desktop use.
Q: Will it help with my Self Assessment?
A: It will help you organise the information you need for Self Assessment — income, expenses, mileage, and estimated tax. Always confirm figures with a qualified accountant or HMRC guidance.
Q: Can I use it for multiple tax years?
A: Yes. The Business Settings tab allows you to select your tax year.
Q: How do I get it after purchase?
A: Etsy delivers your download link automatically after payment. You receive a ZIP file containing the HTML app, PDF guide, and all bonus files.
Q: Is my data private?
A: Completely. All data is stored locally on your own device. Nothing is sent to any server or the internet.

Stop leaving your bookkeeping until the last minute.
Download the UK Self-Employed Bookkeeping Tracker today and start the tax year organised, informed, and in control.
One download. No subscription. Works offline. Built for UK sole traders.
Click Add to Cart and get instant access.