Managing your finances should not be the hardest part of running your business. For most sole traders, freelancers, landlords, and small business owners, it is. Invoices sit in one place. Expenses sit somewhere else. Tax records are a separate conversation entirely. And somewhere in the middle, the actual work of running your business gets buried under the admin of tracking it.
Monesize Books is built to change that.
One place for your financial work
Monesize Books brings your bookkeeping, invoicing, expenses, payments, and financial reports together in one place. Not as a collection of disconnected tools bolted together, but as a single, connected system where every part of your financial life feeds into the same picture.
Record an expense and it goes into your books. Send an invoice and it appears in your accounts receivable. When your customer pays, the payment is reconciled and your financial position updates automatically. You see what is happening with your money without having to piece it together from three different places.
That is what seamless bookkeeping actually means.
Built for the way you actually work
Monesize Books is designed for people who run their own finances, not for finance teams with accountants on speed dial.
Whether you are a sole trader keeping your work and personal finances in order, a freelancer sending your first invoice and tracking what you are owed, a landlord with a clear view of your rental income and property expenses, or a small business handling everyday accounting without enterprise-level complexity, Books is built for the way you actually work.
The interface is intentionally simple. Common tasks take seconds. Create an invoice, record an expense, check your income, see your financial position. No unnecessary steps, no accounting jargon you have to look up, no feature you have to configure before you can do something basic.
Underneath that simplicity is a proper double-entry accounting engine. Your records are structured correctly, your reports are accurate, and your financial data means something.
Ready for Making Tax Digital
For UK sole traders and landlords, Making Tax Digital for Income Tax is coming. From April 2026, businesses above the income threshold will be required to keep digital records and submit quarterly updates to HMRC.
Monesize Books is built for this from the ground up.
MTD is not a bolt-on feature in Books. It is part of the same system as your everyday bookkeeping. Keep your records in Books, and your digital records are maintained automatically as you work. When a quarterly update is due, the information is already there. You review it, submit it, and move on.
There is no separate MTD workflow to maintain alongside your normal bookkeeping. There is no duplication of work. Your everyday financial activity becomes your MTD compliance record.
Invoicing and payments, connected
Books includes a complete invoicing workflow. Create professional invoices, send them to your customers, and let your customers pay online. When payment comes in, Books reconciles it against the invoice and updates your accounts automatically.
The full flow, in one place:
Create invoice → Send invoice → Customer pays → Payment reconciled → Books updated
No manual matching. No chasing your own records. The payment lands, the books reflect it, and you know exactly where you stand.
Less bookkeeping. More doing.
Bookkeeping takes time because a lot of it is repetitive. The same categories, the same suppliers, the same types of transactions appearing again and again. Books reduces that repetition with automated transaction categorisation, recurring transaction recognition, and matching and reconciliation assistance.
You stay in control of your records. Books handles the parts that do not need your attention.
Your finances, ready for automation
For technically minded users, Books includes an MCP interface that allows authorised AI agents and automation workflows to interact with your financial data and perform permitted actions.
Connect your own tools, automate routine financial tasks, and build workflows around your Books data, all through a structured, permission-based interface that keeps you in control of what your agents can and cannot do.
Every agent action is logged. You always know what happened, when it happened, and which agent did it.
Part of the Monesize ecosystem
Monesize Books is a standalone product. You can use it on its own without any other Monesize product, and it is fully useful that way.
It is also part of the broader Monesize ecosystem. If you use Monesize Core for your business operations, Monesize Engage for sales, or Monesize Desk for customer support, Books sits alongside them as the financial layer for individuals and smaller operations within your organisation.
Sign in with your Monesize account. Your identity, your access, one login across every Monesize product you use.
Get started
Monesize Books is available now. The core product is free. Create your account, set up your financial profile, and start managing your bookkeeping, invoices, expenses, and payments in one place. Get started with Monesize Books.