---
title: "Clerk | It prepares the entries, you confirm them"
description: "Clerk works inside your accounting software: it posts what the firm has confirmed, reviews the team's work and leaves the decisions to the professional."
canonical: https://mastro.tax/en/clerk
lang: en
updated: 2026-10-25
---

> Copia in Markdown di https://mastro.tax/en/clerk per agenti e LLM. Fatti sull'azienda e sui prodotti: https://mastro.tax/llms.txt

Today, without Clerk

## Your team spends its days posting invoices and reconciling the bank, and the mistakes surface at year end

# Clerk prepares the entries, and you confirm them

Clerk is the AI colleague that posts entries in your firm's accounting software. Today it works in Genya, in a pilot with the first firms.

Join the waitlist

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## We are opening Clerk to firms one group at a time

Leave your firm's email and we will write when it is your turn. The accounting software you use tells us which firms to start with.

Clerk is a product of Mastro S.r.l. · P.IVA 14918810962