Tax is going digital. Your bookkeeping should too.
For UK sole traders and freelancers who want simple bookkeeping, clear numbers, and stress-free self assessment.
You didnât become your own boss to spend your time buried in admin.

Receipts scattered everywhere
You know you should keep them⌠but they end up in bags, drawers, and glove compartments.

Unreconciled bank transactions
Your bank feed grows every week and categorising it feels like a job you never get to.

No communication with your accountant
An accountant who appears at tax time. Suddenly everything is urgent and youâre scrambling.
Automation where it helps.
Humans where it matters.
Automated bookkeeping
No more spreadsheets or manual reconciliations. Our custom-built financial management platform automates your bookkeeping behind the scenes - saving you hours of admin every week.
Live dashboards & reports
Access real-time financial insights through detailed dashboards and reports. This enables you to know your cash, runway, and margins - giving you the clarity to make smarter decisions, faster.
On-demand expert support
Running your business doesnât mean you need to figure out tax and bookkeeping alone. Our team is here to answer questions and help you stay organised for Self Assessment.
Bill capture made simple
With our easy to use Addition Go App, you can upload your invoices or receipts and our software automatically processes and records them - cutting out manual entry and keeping your books up to date.
Flexible, Affordable Pricing Plans
From Bookkeeping to CFO services, find all your business essentials in one place.â¨All pricing plans are billed monthly, with no long term commitment.
Our Additional Services
SEIS/EIS Applications
Company Valuation
Employee Stock Options
Trusted by the best


"Additionâs ability to scale with us from day one has been invaluable. Their understanding of the pressures on startups sets them apart."


"Their all-in-one approach, from personal to corporate finances, has been a game-changer. Addition has been instrumental in our success."


âTheir systems are great â drag-and-drop transactions save so much time! Addition has truly transformed âhow we manage our finances.â


âHaving their systems in place before our significant growth has been invaluable. It has taken so much work off of my plate.â




