Solas - Sole Traders Tax

Bookkeeping, tax and Making Tax Digital in one app.

Solas is built for UK sole traders who want to spend less time managing receipts, spreadsheets and tax deadlines.

Keep your books up to date, see what you may owe and prepare for HMRC from your iPhone. Every transaction, calculation and submission figure stays visible for you to review.

Start free

• Categorise transactions with AI-assisted suggestions • Scan receipts and match them to transactions • See up-to-date Income Tax and National Insurance estimates • Prepare quarterly MTD updates and year-end figures • Prepare and submit VAT returns to HMRC • Create professional invoices and collect payments online • Ask the AI assistant about your records and UK tax rules • Record business mileage • Maintain accurate double-entry bookkeeping automatically

Open Banking feeds are coming soon, allowing transactions to be imported from supported UK banks.

Upgrade to Solas Premium

Solas Premium costs £19.99 per month or £199.99 per year and includes:

• Unlimited AI assistant chats • Human review of your year-end submission • No additional Solas fee on invoice payments • Mileage tracking for multiple vehicles • Comparison of eligible mileage and actual-cost methods • Priority support

Made for sole traders

Solas is designed around self-employment from the start. Its tools, terminology and tax calculations reflect the way UK sole traders work.

Making Tax Digital for Income Tax now applies to qualifying sole traders with income over £50,000. The threshold reduces to £30,000 from April 2027 and £20,000 from April 2028.

Solas Services Ltd is registered with the Information Commissioner’s Office under registration number ZC087654.

The AI assistant provides general information and does not replace professional tax advice. Payment provider fees may apply to invoice payments.

Download Solas and start free today.

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