More life.
Less money
admin.

Meet Siena. An AI finance companion for UK sole traders, built to make room for the work and life you love.

Your day, a little clearer.

See your accounts, a tax estimate, and what needs your attention. One calm place to start.

A place for every record.

See your income and expenses together. Check the category, keep the context, and find the details when you need them.

The number. And the why.

Open the working behind a tax estimate. See the income, expenses, and assumptions that shape it.

Clear working.
Your call.

Numbers you can trace.

We’re building calculations with fixed rules and visible working, so you can see where a figure comes from.

Words that make sense.

AI helps explain information in plain English and makes routine admin easier to follow.

You stay in control.

Important actions come back to you for review. Siena is designed to support your judgment.

A few good
questions.