Vernelys installs itself where
you already work

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Bank reconciliation statement.pdf
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Updated successfully v1.0.14

Up and running in minutes

Once installed, the “Excel Tools” tab appears the next time you open the app, without changing the way you work.

Employees bring AI into your organisation through their own tools, on accounts you never see.

Your employees work with the same models, inside a protected, sovereign framework.

Microsoft and LinkedIn, Work Trend Index 2024: 78% of people using AI at work bring their own tools.

Out of ten employees, eight send documents to their own AI tools, outside the organisation. Vernelys closes that perimeter: the same vendors and open-source models stay available, but through a single door, with processing in the European Union, no retention, no training and end-to-end encryption.

The way you use Excel changes today

Dropped in, so carried along

A PDF dragged into the workbook is inside the .xlsx file. It lives and travels with the file.

The workbook leaves, its PDFs go with it

Send the file to whoever you like: it arrives whole. On opening, the “Preview” button finds the same documents. No more hyperlinks breaking on the first share.

Text, Sum, Table

The document appears beside the sheet, with nothing to download. Select what you need: a label, a column of figures or a whole table.

Collaborative, with review built in

Every extraction records who made it. The reviewer approves or rejects. Comments can be added freely to explain or add context.

The action you keep repeating,
on the keys of your choosing

The shortcut manager binds a key combination to a piece of formatting: fill, font colour, borders, cell format. You can create it, move it or delete it at any time; availability is checked live, including against Excel's own shortcuts.

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The shortcut manager binds a key combination to a piece of formatting: fill, font colour, borders, cell format. You can create it, move it or delete it at any time; availability is checked live, including against Excel's own shortcuts.

Describe what you want, your assistant does it

A chatbot doesn't know my workbook.

This one read it before you spoke. The pane opens on the active sheet and on the range in front of you, with its columns, its values and its empty cells. You have nothing to describe to it before you ask for something.

An AI writing on its own into a production workbook, absolutely not.

You are the one who allows it. The shield in the input bar sets what the assistant is allowed to do. "Ask each time", the default, has it propose every write before making it; "Automatic", the setting used here, lets it write, and the ribbon's Undo button reverses everything. It writes formulas rather than pasted values, so the column stays live.

I can't write VBA, nor review the VBA someone writes for me.

You don't have to review it. In Developer mode, the assistant opens Module1 and writes the macro. Every line acts in front of you: the rules are drawn, the header turns green and the amounts take their unit. What you approve is the result, without having to go into the code.

Your templates in one shared library, inside Excel

They live on individual machines, each in its own corner. Vernelys brings them into a shared library, opened straight from Excel.

Templates and extraction models

Everyone's tools,
and yours on top

  1. The audit, free of charge

    We go through what you do in Excel with you: what the add-in already covers, what deserves building, and what gains nothing by being automated. You leave with a written, costed scope, with no commitment.

  2. The bespoke build

    We build what you're missing: the connection to your business systems, the automation of a process you redo every month, or a calculation rule specific to your work. The component installs into the add-in itself, and follows its updates like the rest of the tab.

Audit gratuit
  1. The audit, free of charge

    We go through what you do in Excel with you: what the add-in already covers, what deserves building, and what gains nothing by being automated. You leave with a written, costed scope, with no commitment.

  2. The bespoke build

    We build what you're missing: the connection to your business systems, the automation of a process you redo every month, or a calculation rule specific to your work. The component installs into the add-in itself, and follows its updates like the rest of the tab.

Audit gratuit

For accountants and auditors:
make your testing work less of a chore

You point to the year's VAT returns as PDFs. Vernelys reads them and writes one row per return: every box of the CA3 in its own column, ready to be reconciled against the accounts.

Sheet “VAT audit”: 6 rows written from 6 documents. Columns: Return, Net sales (01), Gross VAT (16), VAT on assets (19), VAT on other (20), Carried fwd (23), Credit (25), VAT due (28).

Secure AI, built around
business confidentiality

Data stored in France

Your data is hosted and stored in France. Nothing is replicated outside the European Union, and every subprocessor is bound by agreements compliant with Article 28 of the GDPR.

Models run in Europe

The AI models we use run in European regions. None of your content is processed outside the European Union without us telling you first.

Professional confidentiality preserved

Web access is off by default, with strict separation by organisation and by client file. No content ever travels from one file to another.

Encrypted in transit and at rest

Queries and documents are encrypted while travelling and while stored on our systems. Access is restricted to authorised staff and is logged.

Built for professional codes of conduct

Designed with accounting and legal professionals to meet the requirements of their governing bodies and regulators: auditability, confidentiality, separation of client files.

No data used for training

Our contracts with model providers prohibit any use of your content for training.

Let's talk about your organisation

I want to trial the Office add-ins across my organisation

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