Modern Accounting Built for E-comm

Save time, cut errors, and get a clear view of your performance across every platform.

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How much should you be paying your accountant?

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Why Choose Addition?

Automated Bank Reconciliation

Connect your bank accounts, Shopify, Stripe, PayPal, and more - Addition reconciles transactions automatically in the background.

AI Bill & Expense
Capture

Snap or upload supplier invoices, shipping bills, and team expenses. Addition logs and categorises them instantly, keeping your books accurate.
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Real-time Dashboards
and Insights

Get a live view of cash flow, fees, refunds, and margins - so you can act fast when something changes.

Integrated With The
Tools You Already Use

No need to change how you work. Addition plugs straight into your existing tools, so your numbers stay in sync automatically.

Multi-Channel
Clarity

See performance across all your platforms in one place. No more logging into five different dashboards to understand your numbers.

On-Demand
Financial Services

A dedicated team of finance experts behind you, helping you solve problems, stay on top of deadlines, and make better decisions.

Trusted by the best

John

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

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

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

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

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

Adam

Michael

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

Sarah

How It Works

Get a Custom Quote

Use our pricing calculator to build a custom plan that fits your unique business.

Book a Call

We’ll learn how your business works and get everything set up properly from day one.

Sorted!

Enjoy the benefits of real-time finances, less admin and better support.

Addition gives you real-time clarity on sales, margins, and growth, so you can run your e-commerce business with confidence, whether you’re on one platform or ten.