Accounting Built for Sole Traders & Landlords

Everything self-employed businesses need to manage bookkeeping and taxes in one simple app.

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Accounting All in One Place

Manage Receipts

Upload invoices or receipts and our Ai-powered software automatically processes and categorises them.

Stay Compliant

Simple software built for Making Tax Digital compliance and self-assessment filing.

On-Demand Support

Need advice? Book a call with an expert Finance Manger directly through the app.

Automate Your Books

Keep your books up to date with automated transaction tracking and smart categorisation.

Live Reports

All your data in one place. Get a complete picture on your numbers with live dashboards and insights.

Get Paid

Create and send invoices straight from your phone. Include easy to use client payment links to get paid faster.

Affordable pricing plans

Essentials

£15
Billed monthly
Get started
Receipt capture
Expense tracking
Tax estimates
Financial dashboard
MTD-ready record keeping
Document storage

Core

£29
Billed monthly
Get started
Everything on Essentials
Annual self-assessment tax return
Accountant review
HMRC filing

Pro

£59
Billed monthly
Get started
Everything on Core
Annual tax review
2 Advisory sessions

Unlike traditional accounting packages, you only pay for accountant time when you actually need it.
Book advice, reviews and support calls directly in the app.

Trusted by

John
Five star review
Addition are my 'on tap' bookkeepers and financial advisors. I have saved so much time and money switching my basic bookkeeping to them, and I have also utilised them for an R&D claim at half the price of others on the market.
Adam
Five star review
They really are so incredible - they help us with all of our requirements from payroll to forecasting to budget creation to all end of month and end of year reporting and even R&D tax. Absolute lifesaver for our company and the team is second to none !
Michael
Five star review
Addition have been great in supporting our growth since opening, and now helping build our development plans. It would have been a much more difficult journey without them!
Laura
Five star review
I've been with Addition for quite a while now and never had a negative experience. They are excellent at keeping up to date with any accounting requirements and the software solution makes it very easy to manage.
Sarah
Five star review
I cannot express enough how amazing Addition's services are. From the moment I reached out to the team, I knew I was in good hands. The customer service was outstanding, and the entire process was incredibly smooth.
John
Five star review
Addition are my 'on tap' bookkeepers and financial advisors. I have saved so much time and money switching my basic bookkeeping to them, and I have also utilised them for an R&D claim at half the price of others on the market.
Adam
Five star review
They really are so incredible - they help us with all of our requirements from payroll to forecasting to budget creation to all end of month and end of year reporting and even R&D tax. Absolute lifesaver for our company and the team is second to none !
Michael
Five star review
Addition have been great in supporting our growth since opening, and now helping build our development plans. It would have been a much more difficult journey without them!
Laura
Five star review
I've been with Addition for quite a while now and never had a negative experience. They are excellent at keeping up to date with any accounting requirements and the software solution makes it very easy to manage.
Sarah
Five star review
I cannot express enough how amazing Addition's services are. From the moment I reached out to the team, I knew I was in good hands. The customer service was outstanding, and the entire process was incredibly smooth.
Cloverfield
Pregnant Man
Vyaro
Split Banan
Sipful
Plutio
Osip
MV
Land
Bald

Frequently Asked Questions

Who is Addition for?

Addition is designed for sole traders, freelancers, contractors and landlords who want a simpler way to manage their bookkeeping and Self Assessment.

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What is included in the service?

Depending on your plan, you'll get bookkeeping software, receipt capture, live financial reporting, Self Assessment support and access to our team of accounting experts.

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What if I'm behind on my bookkeeping?

That's more common than you think. We'll review your situation and help get everything back up to date.

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What is Making Tax Digital?

Making Tax Digital (MTD) is HMRC's initiative to digitise tax reporting. Our platform is designed to help sole traders and landlords stay compliant as these requirements are introduced.

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Do I need to be good with numbers?

Not at all. Our software automates much of the bookkeeping process, and our team is here to help whenever you have questions.

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Can you help with my Self Assessment tax return?

Yes. We'll help keep your records organised throughout the year and prepare your Self Assessment return when it's time to file.

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Is the software easy to use?

Yes. You can upload receipts, track expenses and view your numbers through a simple online platform and mobile app.

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Can I switch from my current accountant?

Absolutely. We can work directly with your existing accountant to make the transition as smooth as possible.

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